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Section 1 - Ventilation

1

Honeywell Economizers 63-8594-02

Section 1 - Ventilation

M23621

MIXED AIR SECTION

O.A.

FILTERS

EX.
AIR

DAMPER

DAMPER

DAMPER

Summary of Contents for M7415

Page 1: ...Put Bar Code Here 63 8594 02 Technical Reference Manual Design and Application Guide for Honeywell Economizer Controls ...

Page 2: ......

Page 3: ...ns 18 Economizer Cycle Definition 20 Single and Two Stage Cooling With Economizer 21 Section 2 Enthalpy Theory And Controllers 23 The Psychrometric Chart 24 Relative Humidity and Saturation 25 Enthalpy 26 Psychrometric Chart of Enthalpy Economizer Control 27 Single Sensor Enthalpy Control 28 Two Sensor or Differential Enthalpy 29 Enthalpy Control with Carbon Dioxide Sensor 30 Section 3 Types of An...

Page 4: ...8 Section 9 W7212 W7213 and W7214 Economizer Modules 81 W7212 Economizer System Components 82 W7212 W7213 and W7214 Components 83 DCV Maximum Position Adjustment 84 Using Multiple CO2 sensors on the AQ AQ1 terminals for zones 85 Minimum Position Adjustment 85 Dry bulb changeover 86 W7212 W7213 and W7214 Wiring Diagram 87 Section 10 W7340 and W7345 Economizer Module 93 W7340 Economizer System Compo...

Page 5: ... Estimator 181 Section 17 Retrofit and Upgrades 183 Replacement of W7459Axxx and M7415Axxx with W7220A1000 JADETM and M7215A1008 188 Replacement of W7212Axxx with W7220A1000 JADETM 191 Replacement of W7210Axxx with W7220A1000 JADETM 193 Replacement of W859F with W7220A1000 JADETM and M7285A1045 195 Replacement of W957G with W7220A1000 JADETM and M7285A1045 197 W957G Replaced with W7220 and M7285A1...

Page 6: ...iv Honeywell Economizers 63 8594 02 ...

Page 7: ...Section 1 Ventilation 1 Honeywell Economizers 63 8594 02 Section 1 Ventilation M23621 MIXED AIR SECTION O A FILTERS EX AIR DAMPER DAMPER DAMPER ...

Page 8: ...duced but there was a significant negative side effect that was not detected until 1988 Indoor Air Quality Many buildings constructed prior to 1974 had sufficient leakage through poorly sealed windows and doors to adequately ventilate the building Construction methods used between 1974 and 1988 substantially reduced this leakage As a result many buildings constructed between 1974 and 1988 are not ...

Page 9: ...national and international buildings codes are based on these standards ASHRAE Standard 62 1 Ventilation for Acceptable Indoor Air Quality is the ventilation standard for commercial buildings It states indoor air quality is acceptable when there are no known contaminants at concentrations determined to be harmful to building occupants as determined by cognizant authorities and when a substantial m...

Page 10: ...or incorrectly set or malfunctioning controls may also cause inadequate ventilation Many maintenance people respond to occupant complaints with only temperature in mind If the room is within the acceptable temperature range of 68 to 78 F 20 to 26 C it is perceived that no adjustments are necessary The occupants may have many of the symptoms listed above but do not have the knowledge to request ope...

Page 11: ...he maximum occupancy level for the space To save energy the ASHRAE 62 1 standard also allows ventilation to be based on a CO2 sensor input that determines occupancy This is commonly referred to as CO2 based demand control ventilation DCV CO2 Based Demand Control Ventilation CO2 is a fairly dependable indicator of the concentration of the odorous bioeffluents exhaled by human beings Therefore we ca...

Page 12: ...y efficiency There is also an extensive list of Energy Efficiency Measures that can be incorporated into existing buildings for energy efficiency Standard 189 Design of High Performance Green Buildings except Low Rise Residential Buildings developed in conjunction with the US Green Buildings Council that goes beyond the requirements of Standard 90 1 for green buildings The standards are used as th...

Page 13: ...ilation Rate Procedure VRP and the Indoor Air Quality Procedure IAQP The VRP method is based on typical spaces and usage the rates are intended to dilute and exhaust bioeffluents from occupants and building contaminants to satisfy the 80 of the occupants of the space There are two sources of contaminants in a space that ventilation is intended to reduce Occupants and their activities e g use of of...

Page 14: ... 1000 ft2 x 6600 ft2 0 06 ft3 min ft2 x 6600 ft2 231 cfm 396 cfm 627 cfm For a single zone system VOT outdoor ventilation is the same as Vbz For multiple zone systems a zone air distribution system effectiveness E factor needs to be used in the calculation of the VOT See ASHRAE Standard 62 1 for method In our example during maximum occupancy the ventilation is 627 cfm When the occupancy rate is le...

Page 15: ...ted in the conditioning section of the air handler In the Fan Section on the air handler shown there is a supply fan On other air handlers there may be a return or exhaust fan The supply fan on this unit is referred to as a pull through because it is located on the outlet of the coils If it were located in front of the coils then it would be a push through fan The Terminal Section is composed of a...

Page 16: ...w through dampers is nonlinear It is important to know how much outside air is being brought into a building through the outdoor dampers on the air handlers When the return and mixed air temperatures can be measured there is a formula used to calculate the settings that will provide the desired quantity of outside air Using the formula Vbz Vp we know the total ventilation and volume required A sec...

Page 17: ...trols In ASHRAE 62 1 there are two components of the percent of outdoor air ventilation required the human component and the buildings effluent component The rates in the standard are based on the type of human activity normally performed in the building For example the base rate for office buildings is 5 cfm per person and the building effluent rate is 0 06 cfm per square foot of space Initially ...

Page 18: ...a day when the outside temperature is 10 F 12 C rather than on a day when it is 70 F 21 C If the temperature difference between the return and outside air is only a few degrees a small error in measurements can alter the results by as much as 50 using this method If the temperature difference is 40 or 50 F 22 or 28 C small errors in measurement do not substantially affect the results of the calcul...

Page 19: ...ents were done on this air handler the total volume of outside air in the mixed air was 5 200 cfm of outside air 147 m3 min OUTSIDE AIR TEMPERATURE MIXED and RETURN AIR TEMPERATURES 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 O U T S I D E A I R O U T S I D E A I R 49 C 120 F 43 110 38 100 32 90 27 80 21 70 16 60 10 50 4 40 1 30 7 20 12 10 18 0 23 10 29 C 20 F 120 F 49 C 110 ...

Page 20: ... T S I D E A I R 49 C 120 F 43 110 38 100 32 90 27 80 21 70 16 60 10 50 4 40 1 30 7 20 12 10 18 0 23 10 29 C 20 F 120 F 49 C 110 43 100 38 90 32 80 27 70 21 60 16 50 10 40 4 30 1 20 7 10 12 0 18 10 23 20 F 29 C Measure the return air temperature 1 Measure the outside air temperature 2 Draw a line from the return air on top to the outside air on the bottom 3 Measure the mixed air temperature This s...

Page 21: ...IR TEMPERATURES 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 0 1 O U T S I D E A I R O U T S I D E A I R C 9 4 F 0 2 1 3 4 0 1 1 8 3 0 0 1 2 3 0 9 7 2 0 8 1 2 0 7 6 1 0 6 0 1 0 5 4 0 4 1 0 3 7 0 2 2 1 0 1 8 1 0 3 2 0 1 C 9 2 F 0 2 F 0 2 1 C 9 4 0 1 1 3 4 0 0 1 8 3 0 9 2 3 0 8 7 2 0 7 1 2 0 6 6 1 0 5 0 1 0 4 4 0 3 1 0 2 7 0 1 2 1 0 8 1 0 1 3 2 F 0 2 C 9 2 M252...

Page 22: ...cfm 7250 cfm Where Vat 0 06 cfm ft2 x 100 000 ft2 Therefore Vat 6000 cfm 3 Ventilation percentage 7250 cfm 205 3 m3 min 20 000 cfm 570 m3 min VOT maximum position 36 6000 cfm 169 9 m3 min 20 000 cfm 570 m3 min VOT Minimum position 30 4 Measure the return air temperature 73 F 23 C 5 Measure the outside air temperature 30 F 1 C This example shows a procedure for adjusting the DCV maximum and minimum...

Page 23: ...ontrol as being 36 outdoor air 11 Close the outside air dampers On the analog economizers turn the minimum position control pot until the measured mixed air temp is 55 8 F 13 2 C When using the JADETM controller go to the set point menu and adjust the Vent min setting using the up and down arrows on the keypad 12 Mark this setting on the control as being 30 outdoor air Return Air Temperature X of ...

Page 24: ...t2 1750 cfm 12 000 cfm 13750 cfm 3 Ventilation percentage 13750 cfm 389 4 m3 min 30 000 cfm 849 m3 min 4 Measure the return air temperature 68 F 20 C 5 Measure the outside air temperature 21 F 6 C This is the air handler for an office building with 350 people maximum occupancy Complete the required steps in the procedure to adjust the controls for the correct volume of ventilation EXHAUST AIR M239...

Page 25: ...setting on the control as being 36 outdoor air 10 On analog economizers turn the minimum position until the measured mixed air temperature is _____ F _____ C When using the JADETM controller go to the set point menu and adjust the Vent min setting using the up and down arrows on the keypad 11 Mark this setting on the control as being _____ outdoor air 12 Restore all settings and setpoints Return A...

Page 26: ...osition with analog economizers with JADETM the actuator will hold the temperature between 1F and 1F of the MAT setpoint For example if the MAT is set to 53F the damper will hold between 52F and 54F When the mixed or supply air goes below 50 F 10 C the damper is modulated towards closed 52 F for JADETM in our example When the mixed or supply air goes above 56 F 13 C the damper is modulated towards...

Page 27: ...3 DLY which is a delay after the stage 2 for cooling has been active for a programmed amount of time If the space has not been satisfied after the programmed amount of time the JADETM turns on the 2nd stage of mechanical cooling to allow 3 stages of cooling 1 economizer and 2 mechanical This feature can also be turned off IF THE OUTDOOR AIR IS NOT SUITABLE FOR FREE COOLING The first stage cooling ...

Page 28: ...Section 1 Ventilation Honeywell Economizers 63 8594 02 22 ...

Page 29: ... 0 8 C 7 2 B L U B T E W F 5 7 C 4 2 B L U B T E W F 0 6 C 6 1 B L U B T E W F 5 5 C 3 1 B L U B T E W F 0 5 C 0 1 B L U B T E W 5 4 F 7 C B L U B T E W 0 4 F 4 C B L U B T E W 5 3 F 2 C B L U B T E W H R 0 8 H R 0 7 H R 0 3 H R 0 4 H R 0 5 H R 0 6 H R 0 9 H R 0 1 H R 0 2 H R 0 0 1 N O I T A R U T A S F 0 7 C 1 2 B L U B T E W F 5 6 C 8 1 B L U B T E W DRY BULB TEMPERATURES 15 BTU LB 34 8 k J kg 2...

Page 30: ... common instrument used to determine the wet bulb temperature although there are other methods now available Dry bulb and wet bulb are the two most readily measurable variables on the chart and when known can be used to determine all other properties on the psychrometric chart 40 F 4 C 50 F 10 C 60 F 16 C 70 F 21 C 80 F 27 C 90 F 32 C 100 F 38 C 110 F 43 C 120 F 49 C 35 F 2 C 45 F 7 C 55 F 13 C 65...

Page 31: ...moisture can be contained in the air is the saturation point The relative humidity and saturation lines are the only curved lines on this psychrometric chart 40 F 4 C 50 F 10 C 60 F 16 C 70 F 21 C 80 F 27 C 90 F 32 C 100 F 38 C 110 F 43 C 120 F 49 C 35 F 2 C 45 F 7 C 55 F 13 C 65 F 18 C 75 F 24 C 85 F 29 C 95 F 35 C 105 F 41 C 115 F 46 C F 0 9 C 2 3 B L U B T E W F 5 8 C 9 2 B L U B T E W F 0 8 C ...

Page 32: ...ir and when vapor condenses latent heat is removed Total Heat Enthalpy The sum of sensible and latent heat and is commonly referred to as enthalpy Enthalpy is often referred to as the total heat content of the air 40 F 4 C 50 F 10 C 60 F 16 C 70 F 21 C 80 F 27 C 90 F 32 C 100 F 38 C 110 F 43 C 120 F 49 C 35 F 2 C 45 F 7 C 55 F 13 C 65 F 18 C 75 F 24 C 85 F 29 C 95 F 35 C 105 F 41 C 115 F 46 C F 0 ...

Page 33: ... 65F 70F and 75F based on the region of the country Dry bulb economizers only control the outside air dampers based on temperature If it is a cool but rainy day the outside air will be brought in and extra cooling capacity will be required to dehumidify it or the humidity will be released into the ducts or occupied space Enthalpy economizers take temperature and humidity into account With enthalpy...

Page 34: ...int D for less free cooling Care needs to taken to select the correct curve for comfort and to control the humidity to prevent indoor air quality and other issues caused by high humidity in a building The mixed air sensor located in the area where the return and outdoor air mix maintains the mixed air temperature between 50 and 56 F 10 0 and 12 8 C When using the JADETM the analog curves are chang...

Page 35: ...ince the return and outside air comparison is continuous and automatic year round It eliminates operator error by eliminating seasonal changeover which is frequently overlooked Though it may appear wasteful to cool outdoor air at a higher dry bulb temperature than return air the savings are verifiable through psychrometric calculations The amount of mechanical cooling required to dehumidify air of...

Page 36: ...tem because it requires external relays to switch to compressor and communicates with the OEM system controller via a modified modbus protocol In addition to the indoor sensor based demand control ventilation option these logic modules had additional features including Maximum damper position adjustment DCV max Exhaust fan setpoint Occupied and Unoccupied operation W7213 and W7214 are heat pump mo...

Page 37: ...on 3 Types of Analog Economizers There were a number of Honeywell analog enthalpy economizer modules developed since the early 1960s Most can be replaced by the JADETM controller They varied based on the actuator control series mixed air circuitry and enthalpy sensor configuration ...

Page 38: ...itching in a separate mixed air control circuit typically series 90 It replaced the H205 without substantial wiring modifications and could also be used in control circuits with other company s devices if a SPDT economizer high limit was applicable Commercial thermostat Separate Series 70 or 90 mixed air controller Mod IV actuator Optional second enthalpy sensor H705 on plate one enthalpy sensor o...

Page 39: ... and it installed directly onto them Unlike the H705 there was not a sensor built into the W7459 so wiring connections were required for one or two enthalpy sensors It was also used with direct digital W7459B SPDT mixed air controllers W7459C or as a stand alone mixed air controller with a mixed air sensor W7459A or D Commercial thermostat One enthalpy or dry bulb and one mixed supply air sensor r...

Page 40: ... for enthalpy and mixed air sensors were the same as the W7459 The difference between the W7459 and the W7210 was the W7210 has the addition of the 2 10 Vdc out for controlling a series 70 DCA or foot mounted motor 24 Vac power and ground for the motor and the mixed air circuitry in the control W6210 was used with floating series 62 motors Commercial thermostat One enthalpy or dry bulb and one mix...

Page 41: ...e B models included inputs from an outdoor CO2 sensor for the function of limiting outdoor air usage when the outdoor air was not suitable for ventilation The actuators used with these controllers were W6215 Series 62 W7215 Series 72 W7460 M7415 Commercial thermostat One enthalpy or dry bulb and one mixed supply air sensor required Second enthalpy sensor optional Series 62 or 72 or M7415 Actuator ...

Page 42: ...h series 70 actuators including DCA s M7215 and Modutrol Motors W7213A Used with heat pumps or conventional rooftop units B terminal energized in heating and unenergized in cooling W7214A Used with heat pumps or conventional rooftop units O terminal unenergized in heating and energized in cooling All models were panel mounted or directly mounted to M7215 motor Commercial thermostat One enthalpy or...

Page 43: ... 20 but could be overridden using the on board pot or Modbus communication link to a maximum of 50 open If the CO2 sensor failed the OA damper position would go to a position for maximum occupancy ventilation If the minimum position set point was higher than the DCV maximum position on sensor failure the damper would drive to the higher of the two of DCV maximum and minimum position settings There...

Page 44: ...s 90 H705D1001 W7459 M7405 W7459B1009 M8405 W7459C1007 M7415 M7459A1001 YES M7415 W7459D1005 W6210 Series 62 W6210A1003 YES Series 62 W6210D1007 W7210 Series 72 W7210A1001 YES Series 72 W7210D1005 W6215 YES Adjustable YES YES Series 62 W6215A 008 W7215 YES Adjustable YES YES Series 72 W7215A1006 YES YES Fixed YES Series 72 W7215B1004 W7460 YES Adjustable YES YES M7415 W7460A1008 YES YES Fixed YES ...

Page 45: ...Supplied With Separate Transformer From Cooling Commercial Thermostat 24 Vac is supplied to the relay coil 1S in this application from two separate transformers Though the first stage of cooling will switch correctly through the economizer module circuit the relay coil 1S may not Honeywell recommends use of a single larger transformer for both the economizer logic module and the cooling commercial...

Page 46: ...u read the notes on the correct wiring diagram The wiring diagrams normally show the internal connections of the logic module to help guide you if you are concerned with the common side of the transformers A rule of thumb to follow any Honeywell electronic economizer logic module will have all terminals ending with a 1 as ground ...

Page 47: ...Section 4 H705 Economizer Module 41 Honeywell Economizers 63 8594 02 Section 4 H705 Economizer Module ...

Page 48: ...ut is the same SPDT switch which is typically wired into the mixed air circuit DAMPER M23914A DAMPER RETURN AIR FROM ROOM SUPPLY AIR TO BUILDING SUPPLY OR MIXED AIR SENSOR FAN COILS H705 ENTHALPY CONTROL OUTSIDE AIR SENSOR EXHAUST AIR TR TR1 A B C D SO SR 2 4 X D 1 3 6 5 DAMPER ACTUATOR T1 MOD HEAT MOD COOL HEAT 3 HEAT 3 COOL HEAT 2 1 2 1 SENSOR STAT C 20 H H T 3 4 2 5 1 TR TR W B Y R WC BC RC RH ...

Page 49: ...of 500 feet per minute 152 meters per minute The setpoint scale is A B C and D Each setting corresponds to an enthalpy curve with A equalling the highest enthalpy changeover and D being the lowest enthalpy changeover The output of this control was an SPDT relay output used to switch the mixed air dampers from return to outside air and back as required for maximum efficiency M23915A 3 1 TR1 TR A D ...

Page 50: ...e cool on first call for cooling for commercial thermostat 40 F 4 C 50 F 10 C 60 F 16 C 70 F 21 C 80 F 27 C 90 F 32 C 100 F 38 C 110 F 43 C 120 F 49 C 35 F 2 C 45 F 7 C 55 F 13 C 65 F 18 C 75 F 24 C 85 F 29 C 95 F 35 C 105 F 41 C 115 F 46 C F 0 9 C 2 3 B L U B T E W F 5 8 C 9 2 B L U B T E W F 0 8 C 7 2 B L U B T E W F 5 7 C 4 2 B L U B T E W F 0 6 C 6 1 B L U B T E W F 5 5 C 3 1 B L U B T E W F 0...

Page 51: ...mizer modulated the outdoor dampers for free cooling provided the outside air enthalpy was below the setpoint on the H705 If the outdoor enthalpy is above the setpoint the outside air dampers are closed to a minimum position for ventilation and the mechanical cooling is energized TRANSFORMER H705 ENTHALPY CONTROL MINIMUM POSITION CONTROL MIXED AIR DAMPER MOTOR T991 MIXED AIR CONTROL COOLING COMMER...

Page 52: ...S M15037C L1 HOT L2 6 1 4 2 2 2 YELLOW BLUE YELLOW VIOLET BROWN VIOLET BLACK BLUE BLACK RED WHITE RED BLACK YELLOW RED 3 3 3 2ND STAGE COOLING CONTACTOR 1ST STAGE COOLING CONTACTOR COOLING TRANSFORMER 3 Y1 B1 W1 R1 Y G C R Y2 RC TR1 TR SR 2 1 3 S 5 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED FIELD CONTROL WIRING REQUIRED TO INTEGRATE ECONOMIZER INTO UNIT FIELD WIRING REQUIRED TO P...

Page 53: ...APORATOR COIL IN THE DISCHARGE AIR DUCT TO PROVIDE ECONOMIZER LOW LIMIT FUNCTION 24 VAC ONLY MUST BE ABLE TO CARRY ADDITIONAL 6 VA LOAD OF COMMERCIAL THERMOSTAT AND SUBBASE 5 6 7 8 9 8 OPTIONAL C7400A EXISTING HVAC EQUIPMENT TYPICAL W859D ECONOMIZER CONTROL PACKAGE T675 LOW AMBIENT COMPRESSOR LOCKOUT 1 2 3 4 620 OHMS HEAT 1 HEAT 2 FAN SYSTEM TRANSFORMER COOL 2 COOL1 M12167B MODUTROL MOTOR H705A HV...

Page 54: ...Section 4 H705 Economizer Module 63 8594 02 Honeywell Economizers 48 ...

Page 55: ...Section 5 M74XX Black Motor 49 Honeywell Economizers 63 8594 02 Section 5 M7XXX Black Motor ...

Page 56: ...5 W7220 and W7340 economizer modules They are widely used to modulate the mixed air dampers on smaller rooftop air handlers since the operating temperature rating is 25 to 125 F 32 to 52 C M7215 modulating motor Used with W7212 W7213 W7214 or W7220 only M7415 modulating motor sensor input or controller required Used with W7459A or D only NOTE Using a black motor with a sensor for economizer change...

Page 57: ...conomizer control strategy approved by the local or state authority having jurisdition M7405 modulating motor Used with W7459B and W7400 T7400 only M8405 3 position actuator Used with W7459C only TR TR1 M3 M1 P1 P 24 VAC W7401 MIN POS M2 M23892 M23893 MAX MIN SW SET T X D ...

Page 58: ...Section 5 M74XX Black Motor 63 8594 02 Honeywell Economizers 52 ...

Page 59: ...Section 6 W7459 Economizer Module 53 Honeywell Economizers 63 8594 02 Section 6 W7459 Economizer Module FOR USE WITH M7415 SERIES ACTUATORS ...

Page 60: ...a single or differential enthalpy control A minimum position potentiometer is built into all W7459 modules except for the W7459C since the M8405 actuator that it is used with has the setting built in All W7459 modules can be used with remote minimum position potentiometers See Table 1 for model capability with motors DAMPER M23907 DAMPER RETURN AIR FROM ROOM SUPPLY AIR TO BUILDING MIXED AIR SENSOR...

Page 61: ...9A M7415 C7510B or C7046A Sensor Yes Yes 2 SPDT W7459B M7405A Direct digital control W7401 W7411 Logic Panel Yes Yes 1 SPDT W7459C M8405 SPST control No Minimum position adjustment is built into M8405 Actuator No 2 SPDT W7459Da M7415 C7150B or C7046A Sensor Yes Yes 2 SPDT a W7459D has a high enthalpy limit and defaults to mechanical cooling when the outdoor enthalpy reaches the preset limit Do not...

Page 62: ...sition potentiometer Q709A or S963B Use with M7405 W7459C W7459C Uses input from SPST mixed or discharge air control and enthalpy sensor C7400 Used with M8405 M23894A ENTHALPY CHANGEOVER SETPOINT DIAL LIGHT IS ILLUMINATED IF OUTDOOR AIR IS USEABLE FOR FREE COOLING TR TR1 A B C D SO SR 5 2 4 T1 P1 1 3 T P MINIMUM POSITION OPEN NOTE USE SMALL SCREWDRIVERS ON THE POTENTIOMETERS DO NOT USE EXCESSIVE F...

Page 63: ... 21 C 80 F 27 C 90 F 32 C 100 F 38 C 110 F 43 C 120 F 49 C 35 F 2 C 45 F 7 C 55 F 13 C 65 F 18 C 75 F 24 C 85 F 29 C 95 F 35 C 105 F 41 C 115 F 46 C F 0 9 C 2 3 B L U B T E W F 5 8 C 9 2 B L U B T E W F 0 8 C 7 2 B L U B T E W F 5 7 C 4 2 B L U B T E W F 0 6 C 6 1 B L U B T E W 5 4 F 7 C B L U B T E W 0 4 F 4 C B L U B T E W 5 3 F 2 C B L U B T E W H R 0 8 H R 0 7 H R 0 3 H R 0 4 H R 0 5 H R 0 6 H...

Page 64: ...ious page the outside air dampers are closed to the minimum position and the mechanical cooling is energized In a standard differential enthalpy control sequence the lower of the outside and return is selected regardless of the amount of enthalpy in either A typical application of this limit function is a building located in a warm humid climate with a high internal heat gain such as a laundry or ...

Page 65: ...DELAY FAN FDR Y2 COOL2 COMMERCIAL THERMOSTAT LOW O A AMBIENT COMPRESSOR LOCKOUT STAT OPTIONAL R W 1 HVAC EQUIPMENT TERMINAL STRIP M7415 ACTUATOR W7459A ECONOMIZER MODULE 24 VAC RELAYS 1K AND 2K ENERGIZE IF OUTDOOR ENTHALPY EXCEEDS RETURN AIR ENTHALPY M13819A 1 HONEYWELL RECOMMENDS USE OF A SINGLE LARGE TRANSFORMER FOR BOTH THE ECONOMIZER LOGIC MODULE AND THE COOLING COMMERCIAL THERMOSTAT CIRCUIT 2...

Page 66: ...ENTHALPY SENSED BY THE C7400 IS HIGHER THAN THE ENTHALPY SETPOINT A D FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD BE REMOVED ONLY IF A C7400 ENTHALPY SENSOR IS ADDED TO SR AND FOR DIFFERENTIAL ENTHALPY FOR T7300 ONLY WITH T7300 USE CONTACTS A1 AND A2 INSTEAD OF S7005 TIMER M10115C T7300 OR T874 THERMOSTAT T1 P1 P1 P T1 1 3 4 2 5 2K S 1 1 2 3 4 6 TR TR1 SO SR TR M7415 ACTUATOR W7459A ECONOMI...

Page 67: ...SETPOINT A D FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD BE REMOVED ONLY IF A C7400 ENTHALPY SENSOR IS ADDED TO SR AND FOR DIFFERENTIAL ENTHALPY T775 REQUIRES A MINIMUM OF THREE RELAY OUTPUTS TWO FOR COOLING AND ONE FOR FAN CONTROL T775 SERIES 2000 CAN BE PROGRAMMED TO PROVIDE TIME OF DAY CLOCK AND THE ST6008 TIMER CAN BE ELIMINATED M13843B T1 P1 P1 P T1 1 3 4 2 5 2K S 1 1 2 3 4 6 TR TR1 SO...

Page 68: ...Section 6 W7459 Economizer Module 63 8594 02 Honeywell Economizers 62 ...

Page 69: ...Section 7 W6210 And W7210 Economizer Modules 63 Honeywell Economizers 63 8594 02 Section 7 W6210 And W7210 Economizer Modules ...

Page 70: ...Economizer System Components M23902A DAMPER RETURN AIR FROM ROOM SUPPLY AIR TO BUILDING FAN COILS W7210 SOLID STATE ECONOMIZER LOGIC MODULE T7350 PROGRAMMABLE THERMOSTAT S S OUTSIDE AIR SENSOR EXHAUST AIR RETURN AIR SENSOR 2 10V OUT 24 VAC HOT 24 VAC COM W7210 A 1001 DISHCHARGE AIR SENSOR ...

Page 71: ...t function is illustrated on the psychrometric chart as the line to the right of the A curve Refer to high limit section of this guide for more information Wiring Connections There are many possible wiring diagrams and combinations of controllers and actuators that can be used with the logic modules Once you understand the input and output of the modules you can usually determine how a system shou...

Page 72: ...00 0 30 60 90 60 30 SINGLE MS7503 or MS7505 ACTUATOR W7210 OR W7215 ECONOMIZER MODULE RED BLACK WHITE PARALLEL MS7503 or MS7505 ACTUATORS 24 VAC HOT 24 VAC COM 2 10V OUT _ 500 500 0 30 60 90 60 30 W7210 OR W7215 ECONOMIZER MODULE RED BLACK WHITE 500 500 0 30 60 90 60 30 WHITE RED BLACK M13824A W7210 Actuator Connections ...

Page 73: ...HER THAN THE ENTHALPY SETPOINT A D FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD BE REMOVED ONLY WHEN A C7400 ENTHALPY SENSOR IS ADDED TO SR AND FOR DIFFERENTIAL ENTHALPY FOR T7300 ONLY FOR T7300 USE CONTACTS A1 AND A2 INSTEAD OF THE TIMER FOR THE ML7295A C USE THE 4 20 MA MODEL ACTUATOR THESE MODELS HAVE 500 OHM INPUT IMPEDENCE WHICH ALLOWS THE ACTUATOR TO ACCEPT A 2 10 VDC SIGNAL M11154B T7...

Page 74: ...Section 7 W6210 And W7210 Economizer Modules 63 8594 02 Honeywell Economizers 68 ...

Page 75: ...Section 8 W6215 W7215 And W7460 Economizer Modules 69 Honeywell Economizers 63 8594 02 Section 8 W6215 W7215 And W7460 Economizer Modules ...

Page 76: ...onomizers 70 W7215 System Components M23903A DAMPER RETURN AIR FROM ROOM SUPPLY AIR TO BUILDING FAN COILS W7215 ECONOMIZER LOGIC MODULE C7232 ROOM CARBON DIOXIDE SENSOR T7350 PROGRAMMABLE THERMOSTAT S S OUTSIDE AIR SENSOR EXHAUST AIR RETURN AIR SENSOR MIXED AIR SENSOR W7215B ...

Page 77: ... An outdoor air content sensor setpoint and indication light are added 24VAC TR Hot 24VAC Com 24VAC Hot 2 10V OUT Free Cool Unit Control Exhaust Fan Indoor Fan Mininum Position Maximum Position Open Free Cool Closed ISI Exhaust Exhaust Set Pt 0 100 50 2V 6V 10V ISI Set Pt A B C D TR1 Com 5 2 4 1 T1 T P1 Q1 AQ1 AQ SD1 SD AC1 AC PG1 PG So Sr W7215A SINGLE ENTHALPY SETPOINT MAXIMUM DAMPER POSITION SE...

Page 78: ... PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN OCCUPANCY TIMER SMOKE FIRE DETECTION CIRCUIT W6215A W7215A W7460A ECONOMIZER MODULES FREE COOLING HOUR COUNTER Exhaust Fan Indoor Fan ISI Exhaust Exhaust Set Pt 0 100 50 AC1 AC PG1 PG EXHAUST FAN SETPOINT EXHAUST AIR M13842A FAN HEATING COIL COOLING COIL NOT TO BE USED AS A LIFE SAFETY DEVICE SD1 AC1 SD AC FREE COOL UNIT CONTROL EXHAUST FAN INDOOR ...

Page 79: ...ir brought into the system If the dampers are being modulated as the first stage of cooling from the commercial thermostat the DCV maximum setting is not in the circuit and the dampers can be opened fully as needed If the dampers are being modulated from both the thermostat and the DCV sensor the dampers will be opened to whichever is a higher signal If the mixed air temperature decreases below 40...

Page 80: ...tion of startpoint and throttling range for a linear output 24VAC TR Hot 24VAC Com 24VAC Hot 2 10V OUT Free Cool Unit Control Exhaust Fan Indoor Fan Mininum Position Maximum Position Open Free Cooling Close ISI OSI OSI Set Pt 2V 100 6V 2V 6V 10V ISI Set Pt A B C D TR1 Com 5 2 4 1 T1 T P1 Q1 AQ1 AQ SD1 SD AC1 AC 0A1 0A So Sr W7215B M23925A Q P 3 Alarm C7242 INDOOR AIR CONTENT CO2 SENSOR ECONOMIZER ...

Page 81: ...o use a C7632 CO2 sensor that does not need to be programed or adjusted when installed CO2 Sensors Display No Display A1 Output A2 Output Wall Mount With Relay C7242A1030 C7242A1048 0 Vdc 500 ppm 2 Vdc 800 ppm and 10 Vdc 2 00 ppm Relay Output 0 to 800 ppm Open More than 800 ppm Closed Reopens at less than 700 ppm Wall Mount C7242A1014 C7242A1022 Analog Sensor Mode 0 Vdc 500 ppm 2 Vdc 800 ppm and 1...

Page 82: ...door and indoor air DCV signals are above their respective setpoint thresholds Outdoor Air Content Sensor DCV Mixed Air Damper Actuator Outdoor Air Content Sensor Light Alarm Contacts Below Setpoint Below Setpoint Modulation based on signal from mixed air temperature sensor Off Open Above Setpoint Modulation between minimum and maximum positions based on signal from either mixed air or indoor air ...

Page 83: ...able with series 62 actuators 24 VAC HOT 24 VAC COM 2 10V OUT _ 500 500 0 30 60 90 60 30 MS7503 OR MS7505 ACTUATOR W7210 OR W7215 ECONOMIZER MODULE RED BLACK WHITE M13830A 24 VAC HOT 24 VAC COM 2 10V OUT _ M7415 ACTUATOR W7210 OR W7215 ECONOMIZER MODULE M13827A Q769C MINIMUM POSITION POTENTIOMETER TR TR1 T1 P1 P 24 VAC SENSOR MIN POSN T _ L1 L2 WHEN USING THE W7210 OR W7215 WITH A M7415 ACTUATOR T...

Page 84: ...7 8 9 9 9 5 1S 1S1 C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR MINIMUM POSITION ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD NOT BE REMOVED DIFFERENTIAL ENTHALPY NOT RECOMMENDED FOR USE WITH SINGLE STAGE COOLING SYSTEMS OR SINGLE STAGE COOLING THERMOSTATS FOR T7300 ONLY F...

Page 85: ...OR 620 OHM RESISTOR MINIMUM POSITION ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD BE REMOVED ONLY WHEN A C7400 ENTHALPY SENSOR IS ADDED TO SR AND FOR DIFFERENTIAL ENTHALPY FOR T7300 ONLY FOR T7300 USE CONTACTS A1 AND A2 INSTEAD OF THE TIMER 2 10 VDC INDOOR AIR SENSOR SHUT DOW...

Page 86: ...ALPY SENSOR IS ADDED TO SR AND FOR DIFFERENTIAL ENTHALPY FOR T7300 ONLY M11802C P1 P T1 1 3 4 2 5 2K S 1 2 3 TR TR1 SO SR W7460A 5 1K 4 5 3 T 6 1S 1S1 C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR 620 OHM RESISTOR MINIMUM POSITION ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN _ 2 10 VDC INDOOR AIR SENSOR SHUT DOWN PURGE AIR ...

Page 87: ...Section 9 W7212 W7213 and W7214 Economizer Modules 81 Honeywell Economizers 63 8594 02 Section 9 W7212 W7213 and W7214 Economizer Modules ...

Page 88: ...12 Economizer System Components EXHAUST AIR DAMPER M23900A DAMPER RETURN AIR FROM ROOM SUPPLY AIR TO BUILDING MIXED AIR SENSOR FAN COILS W7212 ECONOMIZER CONTROLLER WITH DEMAND CONTROL VENTILATION C7632 ROOM CARBON DIOXIDE SENSOR TB8220 COMMERCIAL PRO S S OUTSIDE AIR SENSOR RETURN AIR SENSOR ...

Page 89: ...g For the W7212 24 Vac Occupied No power Unoccupied N terminal powered Space Occupied If No Call for cooling or bad outdoor enthalpy dampers drive to minimum position If Call for cooling dampers open to sat isfy the mixed or discharge air sensor if outdoor air is good enthalpy N terminal unpowered Space Unoccupied If No call for cooling damper drives closed if economizer is powered If Call for coo...

Page 90: ...ition When the EF and EF1 contacts are made after the 60 30 sec delay the EXH LED will illuminate Damper minimum position and maximum position are the positions of the damper for ventilation for building contaminants and people occupancy See section 1 for explanation of DCV and determination of damper settings DCV Maximum Position Adjustment 1 Disconnect mixed air sensor from terminals T and T1 an...

Page 91: ...series Each C7232 sensor puts out about 0 2 volts more than is put on the AQ line due to the inherent 0 2 volt drop across each diode The AQ line will be 0 2 V lower than the highest C7232 output When that output crosses the threshold set on the DCV set pot the motor will drive towards open You need to be aware that the AQ line will never reach 10 V but will max at near 9 8 V due to the diodes Fre...

Page 92: ...or air is 60 F and return air is 75 F Under these conditions what is the temperature of the mixed air 0 1 60 F 0 9 75 F 6 0 F 67 5 F 73 5 F Mixed air will be 73 5 F when OA is 60 F and RA is 75 F with 10 outdoor air Dry bulb changeover Single or differential economizing can be accomplished using temperature instead of enthalpy With any of the analog economizers you need to use a C7660 dry bulb sen...

Page 93: ... BE SURE THE ECONOMIZER IS POWERED BY THE SAME TRANSFORMER AS TERMINAL AUX IF NOT USE AN ISOLATION RELAY TO POWER N FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD NOT BE REMOVED DIFFERENTIAL ENTHALPY NOT RECOMMENDED FOR USE WITH SINGLE STAGE COOLING SYSTEMS OR SINGLE STAGE COOLING THERMOSTATS EF AND EF1 ARE DRY CONTACTS IN THE LOGIC MODULE M13657C S 1 2 3 2 4 5 C7400 OUTDOOR AIR ENTHALPY SENSO...

Page 94: ...AT TERMINAL A BE SURE THE ECONOMIZER IS POWERED BY THE SAME TRANSFORMER AS TERMINAL A IF NOT USE AN ISOLATION RELAY TO POWER N FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD NOT BE REMOVED DIFFERENTIAL ENTHALPY NOT RECOMMENDED FOR USE WITH SINGLE STAGE COOLING SYSTEMS OR SINGLE STAGE COOLING THERMOSTATS EF AND EF1 ARE DRY CONTACTS IN THE LOGIC MODULE M13658C S 1 2 3 2 4 5 C7400 OUTDOOR AIR ENT...

Page 95: ...0 USE AUX TERMINAL FOR TB7220 OR TB8220 USE A TERMINAL THE TERMINALS ARE CONNECTED WHEN THERMOSTAT IS IN THE OCCUPIED MODE EF AND EF1 ARE DRY CONTACTS IN THE LOGIC MODULE SEE WIRING DIAGRAMS FIGS 9 AND 10 FOR T7350 AND TB7220 TB8220 TIME CLOCK IS AN OPTION TO USING OCCUPIED CONTACTS ON THE COMMERCIAL THERMOSTAT UNOCCUPIED ST6008 TIMER L1 HOT L2 FDR FDR FAN HEAT 1 HEAT 2 COOL 1 HVAC EQUIPMENT TERMI...

Page 96: ...300 TERMINALS A2 AND A3 ARE CONNECTED WHEN THERMOSTAT IS IN THE UNOCCUPIED MODE SEE T7350 AND TB7220 TB8220 WIRING W7213 B TERMINAL W7214 O TERMINAL M19618E 1 2 3 4 5 4 5 5 L1 HOT L2 FAN HEAT 1 HEAT 2 COOL 1 COOL 2 HVAC EQUIPMENT TERMINAL STRIP T7300 THERMOSTAT 1 C G W1 Y1 Y2 R W2 RC G X O O W1 RH Y1 Y2 A3 A2 W2 S C7400 OUTDOOR AIR ENTHALPY SENSOR O P1 T1 SR SO AQ EF1 5 EF 3 4 2 1 TR MINIMUM POSIT...

Page 97: ...IR SENSOR COMMERCIAL THERMOSTAT FOR DIFFERENTIAL ENTHALPY THE TWO C7400 ENTHALPY SENSORS ARE CONNECTED TO THE ECONOMIZER LOGIC MODULE ONE IS MOUNTED IN RETURN AIR AND THE OTHER IS MOUNTED IN OUTDOOR AIR USE C7400A WITH THE W7212A W7213 AND W7214 MODULES AND C7400C WITH THE W7212C MODULES USE EITHER MIXED AIR SENSOR OR DISCHARGE AIR SENSOR NOT BOTH M19547E 1 1 1 2 2 2 HONEYWELL ACTUATOR W7212 W7213...

Page 98: ...Section 9 W7212 W7213 and W7214 Economizer Modules 63 8594 02 Honeywell Economizers 92 ...

Page 99: ...Section 10 W7340 and W7345 Economizer Module 93 Honeywell Economizers 63 8594 02 Section 10 W7340 and W7345 Economizer Module ...

Page 100: ...mizers 94 W7340 Economizer System Components M13836A DAMPER RETURN AIR FROM ROOM SUPPLY AIR TO BUILDING MIXED AIR SENSOR FAN COILS W7220 ECONOMIZER CONTROLLER WITH DEMAND CONTROL VENTILATION C7632 ROOM CARBON DIOXIDE SENSOR OUTSIDE AIR SENSOR EXHAUST AIR RETURN AIR SENSOR ...

Page 101: ...ERENTIAL ENTHALPY CONTROL PROVIDES GREATER ENERGY SAVINGS THAN SINGLE ENTHALPY CONTROL USE EITHER MIXED AIR SENSOR OR DISCHARGE AIR SENSOR NOT BOTH A C7600 HUMIDITY SENSOR USED IN CONJUNCTION WITH A 10K NTC TEMPERATURE SENSOR CAN BE USED INSTEAD OF A C7400 ENTHALPY SENSOR FOR DRY BULB CONTROL USE ONLY A 10K NTC TEMPERATURE SENSOR M22814 INDOOR AIR CO2 SENSOR MODBUS EXHAUST AIR DISCHARGE AIR INDOOR...

Page 102: ...and holds the outdoor air damper at the DCV minimum setting Table 1 details the input output I O logic of the W7340 The logic module energizes the Unit Control and Indoor Fan contacts and operates according to Table 1 Table 1 W7340 Economizer I O Logic Inputs Outputs DCV Enthalpya Y1b Y2b Compressor Damper Outdoor Return Stage 1 Stage 2 Below set High Low On On On On Minimum position On Off On Off...

Page 103: ...ver 10 seconds Demand Control Ventilation DCV Sensor Input W7340 only The DCV sensor can be any sensor that provides a 2 10 Vdc output over a range of 500 to 1500 ppm of CO2 The DCV signal modulates the outdoor damper to provide ventilation based on occupancy The W7340A and B modules do not have the ability to set the outdoor air damper to a maximum position for DCV they incorporate a minimum posi...

Page 104: ...2 Turn power on to economizer logic module 13 Set minimum position using MIN POS DCV MIN IMPORTANT Steps 3 8 must be completed within 3 minutes after power up otherwise the configuration process will be termi nated no changes will be saved and you will need to repeat steps 1 13 W7340 Demand Control Ventilation Unlike the W7215 and W7212 which have minimum position for the Building contaminants and...

Page 105: ...ises to 48 F 9 C control reverts to normal operation Exhaust Setpoint W7340 only The exhaust setpoint determines when the exhaust fan will run based on the damper position this function is the same as the exhaust setpoint on the W7215 and W7212 except as shipped from the factory the W7340 uses an exhaust setpoint of 25 When the damper position is greater than 25 open from fully closed the logic mo...

Page 106: ...8 3 0 3 2 3 4 3 6 3 8 4 0 4 2 4 4 4 6 9 0 1 0 0 8 0 7 0 6 0 5 0 4 0 3 0 20 10 E N T H A L P Y B T U P E R P O U N D D R Y A I R 85 29 90 32 95 35 100 38 105 41 110 43 35 2 35 2 40 4 40 4 105 41 110 43 45 7 45 7 50 10 50 10 55 13 55 13 60 16 60 16 65 18 65 18 70 21 70 21 75 24 75 24 80 27 80 27 85 29 90 32 95 35 100 38 APPROXIMATE DRY BULB TEMPERATURE F C A A B B C C D D M23879B R E L A T I V E H U...

Page 107: ...215 W7340 2 10 Vdc FEEDBACK OUTPUT 2 10 Vdc CONTROL SIGNAL INPUT 2 10 Vdc FEEDBACK INPUT MIN POS DCV MIN DCV SETPOINT 2 10 Vdc CONTROL SIGNAL OUTPUT POWER EXHAUST CONTACTOR MIXED AIR TEMP SENSOR 10K NTC OUTDOOR AIR TEMP SENSOR 10K NTC RETURN AIR TEMP SENSOR 10K NTC C7600C OUTDOOR AIR HUMIDITY C7600C RETURN AIR HUMIDITY DCV SENSOR 0 10 Vdc MAT OAH OAT RAT RAH DCV A E B C MOD BUS MOD BUS 1 24 VAC L1...

Page 108: ...Section 10 W7340 and W7345 Economizer Module 63 8594 02 Honeywell Economizers 102 ...

Page 109: ...Section 11 W7220 JADE Economizer Module 103 Honeywell Economizers 63 8594 02 Section 11 W7220 JADE Economizer Module ...

Page 110: ...ers 104 W7220 Economizer System Components M13836A DAMPER RETURN AIR FROM ROOM SUPPLY AIR TO BUILDING MIXED AIR SENSOR FAN COILS W7220 ECONOMIZER CONTROLLER WITH DEMAND CONTROL VENTILATION C7632 ROOM CARBON DIOXIDE SENSOR OUTSIDE AIR SENSOR EXHAUST AIR RETURN AIR SENSOR ...

Page 111: ...OUTDOOR AIR C7250 MIXED AIR SENSOR FOR DIFFERENTIAL ENTHALPY THE TWO C7400S ENTHALPY SENSORS ARE CONNECTED TO THE ECONOMIZER MODULE ONE IS MOUNTED IN THE RETURN AIR DUCT AND THE OTHER IS MOUNTED IN THE OUTDOOR AIR DUCT DIFFERENTIAL ENTHALPY CONTROL PROVIDES GREATER ENERGY SAVINGS THAN SINGLE ENTHALPY CONTROL M22814B INDOOR AIR CO2 SENSOR EXHAUST AIR DISCHARGE AIR INDOOR FAN EXHAUST FAN M7215 MOTOR...

Page 112: ...he system The W7220 Economizer Module provides the basic inputs and outputs to provide simple economizer control When used with the optional Sylk Bus sensors the Economizer Module provides more advanced economizer functionality Sylk Bus Sensors optional The Sylk Bus Sensor is a combination temperature and humidity sensor which is powered by and communicates on the Sylk Bus to the JADE economizer U...

Page 113: ...inals located on the left and right sides The header terminal pins and the terminal blocks have common terminations for the appropriate input or output Use Fig 1 and Tables 1 and 2 to locate the wiring terminals for the economizer module NOTE The four terminal blocks are removable You can slide out each terminal block wire it and then slide it back into place Fig 1 W7220 Economizer module terminal...

Page 114: ...he ground for the power supplies are common See wiring diagram below for the C7232 and C7632 wiring diagrams Fig 2 Wiring for C7232 Fig 3 Wiring for C7632 Label Type Description Top Right Terminal Block n a The first terminal is not used AUX2 I 24 Vac IN Shut Down SD or Heat W Conventional only or Heat Pump Change over O B in Heat Pump mode OCC 24 Vac IN Occupied Unoccupied Input E GND EGND Earth ...

Page 115: ...BE LABELED O OR B AND W2 MAY BE LABELED W WHEN USING A HEAT PUMP WITH DEFROST FEEDBACK ADD AN ISOLATION RELAY BETWEEN O AND C 2 3 3 1 MA TEMP SENSOR 20K NTC TR1 TR IN IN 2 R C Wiring Application Examples This section describes the wiring configurations for the JADE Economizer system The configurations are Stand alone Economizer Economizer with Sylk Bus Sensors on page 116 Stand alone Economizer Th...

Page 116: ...IFFER W1 MAY BE LABELED O OR B AND W2 MAY BE LABELED W WHEN USING A HEAT PUMP WITH DEFROST FEEDBACK ADD AN ISOLATION RELAY BETWEEN O AND C 1 1 MA TEMP SENSOR 20K NTC R C AUX1 0 AUX2 I 2 3 2 3 1K1 1K1 Fig 5 2 position actuator Fig 6 Stand alone dry bulb Economizer configuration with Honeywell MS7503 or MS7505 Direct Coupled Actuator 1 2 ACTUATOR EXH1 OR AUX1 O NOTE ON OFF ACTUATORS CAN BE USED ON T...

Page 117: ...R CAN BE MOUNTED IN THE OAT TERMINALS ONLY IN THIS CONFIGURATION WHEN USING A HEAT PUMP THERMOSTAT THERMOSTAT TERMINALS MAY DIFFER W1 MAY BE LABELED O OR B AND W2 MAY BE LABELED W WHEN USING A HEAT PUMP WITH DEFROST FEEDBACK ADD AN ISOLATION RELAY BETWEEN O AND C 2 2 3 3 1K1 1K1 Fig 7 Stand alone dry bulb Economizer configuration with Honeywell MS3103J or MS3105J communicating actuators Economizer...

Page 118: ...CED CONTROL AS SHOWN IN THE LOWER LEFT OF THIS FIGURE DO NOT USE THE C7250 20K NTC SENSOR WITH THE OA TERMINAL IN THIS CONFIGURATION WHEN USING A HEAT PUMP THERMOSTAT OR A PROGRAMMABLE THERMOSTAT THERMOSTAT TERMINALS MAY DIFFER W1 MAY BE LABELED O OR B AND W2 MAY BE LABELED W WHEN USING A HEAT PUMP WITH DEFROST FEEDBACK ADD AN ISOLATION RELAY BETWEEN O AND C 1 4 1 2 CO2 SENSOR 2 10 VDC OPTIONAL IA...

Page 119: ...HOWN IN THE LOWER LEFT OF THIS FIGURE DO NOT USE THE C7250 20K NTC SENSOR WITH THE OA TERMINAL IN THIS CONFIGURATION WHEN USING A HEAT PUMP THERMOSTAT THERMOSTAT TERMINALS MAY DIFFER W1 MAY BE LABELED O OR B AND W2 MAY BE LABELED W WHEN USING A HEAT PUMP WITH DEFROST FEEDBACK ADD AN ISOLATION RELAY BETWEEN O AND C 1 1 2 MS7503 OR MS7505 3 S BUS S BUS MA MA CO2 SENSOR 2 10 VDC OPTIONAL IAQ 2 10V IA...

Page 120: ...T PUMP WITH DEFROST FEEDBACK ADD AN ISOLATION RELAY BETWEEN O AND C 2 S BUS S BUS MAT MAT CO2 SENSOR 2 10 VDC OPTIONAL IAQ 2 10V IAQ COM IAQ 24V ACT 2 10V ACT COM ACT 24V MA TEMP SENSOR 20K NTC AUX1 0 AUX2 I 3 1 2 MS3103J OR MS3105J S BUS 4 5 S BUS 2 R 24 VAC 3 3 4 1K1 1K1 4 Fig 10 Economizer with Sylk Bus sensors for enthalpy configuration with a Honeywell MS3103J or MS3105J communicating actuato...

Page 121: ...he list of menus Menu Structure Table 3 on page 121 illustrates the complete hierarchy of menus and parameters for the JADE Economizer system The Menus in display order are STATUS SETPOINTS SYSTEM SETUP ADVANCED SETUP CHECKOUT ALARMS Your menu parameters will be different depending on your configuration For example if you do not have a DCV CO2 sensor then none of the DCV parameters appear and only...

Page 122: ...ac on term Y2 I OFF 0 Vac on term Y2 I COOL Y2 OUT OFF ON OFF Cool Stage 2 Relay Output to mechanical cooling Y2 OUT terminal MA TEMP _ _ _ ºF 40 to 150 ºF Displays value of measured mixed air from MAT sensor Displays if not connected short or out of range Always 3F above MA LO Setpoint DA TEMP _ _ _ ºF 40 to 150 ºF Displays when Discharge Air Sylk Bus sensor is connected and displays measured dis...

Page 123: ... EXH2 OUT OFF ON OFF Output of AUX1 O terminal Displays ON when damper position reaches programmed percentage setpoint ON 24 Vac Output OFF No Output displays only if AUX1 O EXH2 ERV OFF ON OFF Output of AUX1 O terminal ON 24 Vac Output OFF No Output displays only if AUX1 O ERV MECH COOL ON 0 0 1 or 2 Displays stage of mechanical cooling that is active FAN SPEED n a LOW or HIGH Displays speed of f...

Page 124: ...incrementby 10 Displays only if a CO2 sensor is connected Used for Vbz ventilation max cfm setpoint Displays 2 to 10 V if 3 sensors RA OA and MA In AUTO mode dampers controlled by CFM With 2 speed fan units VENTMAX L low speed fan and VENTMAX H high speed fan settings are required Default for VENTMAX L is 3 2V and VENTMAX H is 2 8V VENTMIN 2 25 V 2 to 10 Vdc or 100 to 9990 cfm incrementby 10 Displ...

Page 125: ...2 speed fan mode you must program CONV mode for W Shutdown is not available in the two speed fan mode In HP O B mode HP O energize heat pump on Cool default HP B energize heat pump on Heat FAN SPEED 1 speed 1 speed 2 speed Sets economizer controller for operation of 1 speed or 2 speed supply fan NOTE 2 speed fan option also needs Heat W1 programmed in AUX 2 In FAN CFM 5000cf m 100 to 15000 cfm inc...

Page 126: ...4 Vac input on the SD terminal in conventional mode the OA damper will open if programmed for OPN and OA damper will close if programmed for CLO All other controls e g fans etc will shut off DCVCAL ENA MAN MAN manual AUTO Turns on the DCV automatic control of the dampers Resets ventilation based on the RA OA and MA sensor conditions Requires all sensors RA OA MA and CO2 This operation is not opera...

Page 127: ...TION on page 24 CONNECT AUX1 O n a n a Energizes the AUX1 O output If AUX1 O setting is NONE no action taken ERV 24 Vac out Turns on or signals an ERV that the conditions are not good for economizing but are good for ERV operation g SYS 24 Vac out Issues a system alarm CONNECT EXH1 n a n a Closes the power exhaust fan 1 relay EXH1 ALARMS MA T SENS ERR n a n a Alarms display only when they are acti...

Page 128: ...Fan a With stage 3 delay STG3 DLY in Advanced setup menu can turn on 2nd stage of mechanical cooling Y2 O after the delay if the call for Y1 I and Y2 I have not been satisfied DCV OA Good to economize Y1 I Y2 I FAN SPD Y1 O Y2 O Occupied Unoccupied None No Off Off High 0 v Off 0 v Off MIN POS Closed On Off High 24 v On 0 v Off MIN POS Closed On On High 24 v On 24 v On MIN POS Closed None Yes Off O...

Page 129: ...s Off Off High 0 v Off 0 v Off VENTMIN Closed On Off High 0 v Off 0 v Off VENTMIN to Full Open Closed to Full Open On On High 24 v On 0 v Offa VENTMIN to Full Open Closed to Full Open Above CO2 set No Off Off High 0 v Off 0 v Off VENTMIN to VENTMAX Closed On Off High 24 v On 0 v Off VENTMIN to VENTMAX Closed On On High 24 v On 24 v On VENTMIN to VENTMAX Closed Yes Off Off High 0 v Off 0 v Off VENT...

Page 130: ...e first stage mechanical cooling is enabled DCV OA Good to economize Y1 I Y2 I FAN SPD Y1 O Y2 O Occupied Unoccupied Below set No Off Off High 0 v Off 0 v Off VENTMIN Closed On Off High 24 v On 0 v Off VENTMIN Closed On On High 24 v On 24 v On VENTMIN Closed Yes Off Off High 0 v Off 0 v Off VENTMIN Closed On Off High 0 v Off 0 v Off VENTMIN to Full Open Closed to Full Open On On High 24 v On 0 v O...

Page 131: ... stage mechanical cooling is enabled DCV OA Good to economize Y1 I Y2 I FAN SPD Y1 O Y2 O Occupied Unoccupied Below set No Off Off Low 0 v Off 0 v Off VENTMIN L Closed On Off Low 24 v On 0 v Off VENTMIN L Closed On On High 24 v On 24 v On VENTMIN H Closed Yes Off Off Low 0 v Off 0 v Off VENTMIN L Closed On Off Low 0 v Off 0 v Off VENTMIN L to Full Open Closed to Full Open On On High 24 v On 0 v Of...

Page 132: ...able 12 show the new boundary curves There are 5 boundaries setpoints ES1 through ES5 which are defined by dry bulb temperature enthalpy and dew point DCV OA Good to economize Y1 I Y2 I FAN SPD Y1 O Y2 O Occupied Unoccupied Below set No Off Off Low 0 v Off 0 v Off VENTMIN L Closed On Off Low 24 v On 0 v Off VENTMIN L Closed On On High 24 v On 24 v On VENTMIN H Closed Yes Off Off Low 0 v Off 0 v Of...

Page 133: ...eed fan in the System Setup menu item The 2 speed fan delay is defaulted to 5 minutes and can be changed in the Advanced Setup menu item When the unit has a call for Y1 In and in the free cooling mode and there is a call for Y2 In the 2 speed fan delay starts and the OA damper will modulate 100 open the supply fan should be set to high speed by the unit controller After the delay one of two action...

Page 134: ...oss Outage or Brownout All setpoints and advanced settings are restored after any power loss or interruption NOTE If power goes below 18 Vac the W7220 controller module assumes a power loss and the 5 minute power up delay will become functional when power returns above 18 Vac Alarms The Economizer module provides alarm messages that display on the 2 line LCD NOTE Upon power up the module waits 60 ...

Page 135: ...in the mechanical room using the two wire communication terminals s bus and a personal computer to monitor the system Use a Prestige IAQ 2 0 thermostat to alarm the occupants that there is a system alarm The options of connecting a visual or audio alarm to the SYS output when an alarm occurs would normally not be used in an occupied space these types of alarm systems would be in a warehouse or com...

Page 136: ...oneywell Economizers 130 2 At installer setup 6000 Select the Dry Contacts in the System Custom Alert 3 At Installer Setup 6170 select the terminals wired to the dry contact device S1 or S2 Connect a Normally Open Relay Contact to the S1 or S2 terminals ...

Page 137: ...er Setup 6180 Custom Alert Dry Contact Setup select Normally Open 5 At Installer Setup 6190 Customer Alert Name press to edit type up to 40 characters For example Economizer Alarm this will display on the thermostat home screen in an orange box when there is an alarm on the JADE controller ...

Page 138: ...up 6200 Customer Alert Message press to edit type up to 140 characters For example Call for Service 1 800 555 1212 7 If the occupants clear the alert the building operator can recover the last 25 alarms in the Alerts Log The Alerts Log is located in the Menu Installer Options Data Logs Alerts Log ...

Page 139: ...Section 11 W7220 JADE Economizer Module 133 Honeywell Economizers 63 8594 02 ...

Page 140: ...is powered through the Sylk bus connection to the JADE controller The complete OS number for the PC MOD tool is W7220 PCMOD and software to run it can be downloaded for free at www customer honeywell com economizertools There are two versions of the software one for the OEM factory and one for the contractors OEMs can use the PC MOD tool to load default programs for different customers to the JADE...

Page 141: ...puter Close all programs and restart your computer e For additional instructions contact your local distributor or the Honeywell hotline at 888 516 9347 2 Connect W7220 PCMOD interface module to your computer using the USB cable provided 3 Connect W7220 PCMOD tool to your S Bus device using 2 non polarity 18 22 gauge wires and power the Sylk device Start configuration tool If you get a message sta...

Page 142: ...nfiguration tool icon to open it This is the first page you ll see A small sub screen will display basic information including note on COM port settings Click on OK The configuration screen will appear with the system settings Before you proceed check your COM Port Go into Settings in the header on the page and choose the port for your TUSB3410 COM Port using the drop down menu ...

Page 143: ...you are not sure the com port on your computer you can check the com port by pressing the Window key and the Pause key at the same time on your keyboard With a laptop you may need to press and hold the Fn key then press and hold the windows key and then press and hold the pause key ...

Page 144: ...Section 11 W7220 JADE Economizer Module 63 8594 02 Honeywell Economizers 138 For Windows XP this screen will come up Click on Device Manager in the left column ...

Page 145: ... 8594 02 For Windows XP this screen will come up Click on Hardware and then click on Device manager Find the ports file and expand it You ll see the list of various COM Port options The one you are looking for is listed under TUSB3410 Device Note in this case it is COM8 ...

Page 146: ...ow up on your settings list for the port close the file and reopen it This means you opened the file before the P C Module was connected to your personal computer To the right of Setting there is Help menu button The Help menu provides an explanation about each system configuration setting and provides the parameters and functions of specific set points The configuration screen allows you to choos...

Page 147: ...Section 11 W7220 JADE Economizer Module 141 Honeywell Economizers 63 8594 02 Under the Sensor options select sensor or sensors you are currently using in the system ...

Page 148: ...02 Honeywell Economizers 142 When you are complete with the configuration click on the next tab economizer DCV in the left column Under Economizer DCV tab you can configure your Ventilation Demand Control Ventilation Temperature and Enthalpy settings ...

Page 149: ...594 02 Calibration tab allows the operator to adjust for an out of calibration temperature or humidity sensor In the JADE economizer controller there is a sensor offset calibration that allows you to change the economizer program to adjust for an out of calibration sensor ...

Page 150: ... the ability for semi automatic checkout of the economizer system From the list of the parameters shown on the screen choose the ones you would like to test by clicking the box next to it The last box gives you the ability to display the temperature that the sensors are reporting to the economizer controller ...

Page 151: ...ADE controller that you have connected by clicking the Read from JADE button If the JADE controller is not connected properly you will receive a message that data was not able to be read Check the power to your JADE and connection between the JADE and PC module and between the PC module and the personal computer ...

Page 152: ...n after you selected correct configurations This feature downloads your configuration to the JADE controller Once information has been applied to JADE successfully you see a pop up window indicating the data has been written successfully to the JADE controller Note that you can Read from or Apply to JADE while in any of Configuration screens on the left ...

Page 153: ...ot want to reconfigure the JADE economizer controllers every time you use one you can save the configuration file on your personal computer and configure the JADE economizer controllers from this file When click Save to file you ll be able to save your file as new or replace an existing file You can customize your RTU Model Name and Model Description ...

Page 154: ...8594 02 Honeywell Economizers 148 By clicking Load from file button you will be able to download a saved file from the list and apply those settings to JADE Note that you can Load or Save to file while in any of Configuration screens of the left ...

Page 155: ...Section 11 W7220 JADE Economizer Module 149 Honeywell Economizers 63 8594 02 When you have chosen the parameters click Start Checkout button ...

Page 156: ...lay If you checked Display sensors temperature in the checkout screen you ll see those temperatures display The screen will only display the sensors that are connected and are reporting to the economizer controller If economizer and sensors are connected properly to the PC MOD the word Passed will display ...

Page 157: ... example the Dry bulb Outdoor air sensor was chosen on the checkout tab and that sensor is missing in the system The 74 connected means that the system is reporting an Enthalpy Outdoor Air temperature at 74 degrees F and the enthalpy sensor is connected which contradicts your set points Note the sensor connection is reporting failed in red letters also You will need to go back to the configuration...

Page 158: ... movement of the dampers and confirm the contacts are made to turn on the stages of compressor on the roof top unit When each step is confirmed as working click the Passed button to move to the next test If you have a failure example damper failed to open click the Failed button below to move to the next step Do not interrupt a function while it is in process Wait until the function check is compl...

Page 159: ...Module 153 Honeywell Economizers 63 8594 02 After you have completed the checkout the tool will generate a report of the checkout process which you can save on a customized file on your Personal Computer by clicking Save report button ...

Page 160: ...on for validation that the economizer is working and the building is operating to save energy On the right side of the screen select all properties that you would like to log During the logging process the personal computer will need to be connected to the PC module since the data will be saved on the personal computer file not in the module ...

Page 161: ...7220 JADE Economizer Module 155 Honeywell Economizers 63 8594 02 As you select the parameters you want to log on the right you will see the current value of the selected points displayed in the center of the screen ...

Page 162: ... for the data collection is from 5 seconds up 300 seconds in 5 seconds intervals Click the Start button The logging light in the lower left corner would start blinking indicating data is being recorded in the interval you selected You can Pause or Stop this recording at any time Once you stop the logging and want to check the data open the file that you saved the data in The file is csv and can be...

Page 163: ...n 12 Sensors for Economizer Modules 157 Honeywell Economizers 63 8594 02 Section 12 Sensors for Economizer Modules C7400A legacy C7632 C7046 Carbon Dioxide Temperature Enthalpy C7650 C7150 C7232 C7400S C7250A ...

Page 164: ...459 and W7212 used only in differential changeover applications C7650A1001 C7250 Temperature 20K Dry Bulb Changeover C7250A1001 C7660 Legacy Temperature Single referential dry bulb changeover for legacy economizers W7459 and W7212 C7660A1000 C7232 Carbon Dioxide Indoor Wall Module Display Relay Output C7232A1008 Indoor Wall Module No Display Relay Output C7232A1016 Indoor Wall Mount Display No Hon...

Page 165: ...d band with the C7650 dry bulb sensor See chart The economizer will allow free cooling when the temperature is rising through the dead band until the temperature rises above the highest temperature on the dead band On temperature decline the economizer will not reset to OK for economize until the outdoor temperature goes below the lower temperature This only happens if power is to the economizer d...

Page 166: ... cooling The temperature needs to drop to below 58F for the economizer to reset and allow free cooling without mechanical cooling again UNLESS the power is turned off to the economizer and the economizer is allowed to reset The C7660 sensor was developed to eliminate the 10 degree F deadband issue using the C7650 in single dry bulb applications When using single with Honeywell legacy economizers r...

Page 167: ...gacy economizer modules are all provided with sensor connections for either a mixed or supply air sensor input to modulate the mixed air dampers Either the C7046A or C7150B can be used for this function since the resistance curves for both are identical The C7046A is 8 inches 20 cm long which makes it a better selection for larger air handlers than the single point C7150B When installing the C7150...

Page 168: ...s as the ambient temperature at the sensor increases the resistance of the sensor decreases It changes 70 ohms in resistance for every 1 F 0 6 C change in temperature C7046A 3 000 OHM MIXED AIR OR SUPPLY AIR SENSOR C7150B 3 000 OHM MIXED AIR OR SUPPLY AIR SENSOR 60 65 70 75 80 85 90 95 100 OHMS 3000 OHMS at 77 DEG F 25 C DEG F 5000 4800 4600 3800 4000 4200 4400 3400 3200 2600 2800 3000 2400 3600 2...

Page 169: ...ation control People exhale CO2 as they breathe If there is a large number of people in a space the level of CO2 will increase When a CO2 sensor is installed in the space a signal is sent to the air handler mixed air control which modulates the outside air dampers The required ventilation volume for a room increases when occupancy increases When people leave the space CO2 levels will decrease and ...

Page 170: ...ensor unit pack includes a two pin side connector in the packaging All Outdoor Air Return Air and Discharge Air sensors are the same part number During installation the sensor is set for the appropriate type using the three position DIP switch located on the sensor Once installed a sensor can be changed to a different application by simply changing the DIP switch setting The brown or orange color ...

Page 171: ...9 economizers are not compatible with the W7220 and must be replaced with Either one C7250A Mixed Air Temperature sensor plus one C7250A Temperarure Only Outdoor Air sensor for dry bulb temperature changeover C7250A MAT OR one C7250A Mixed Air Temperature sensor and one C7400S Outdoor Air sensor for single enthalpy changeover C7400S OA __________________________________________________ ...

Page 172: ...s for differential enthalpy changeover C7250A MAT C7400S OA C7400S RA OR one C7250A Mixed Air Temperature one C7250A Temperature Only Outdoor Air sensor and one C7400S Return Air sensor for differential temperature changeover S bus in this case ignores the humidity input from the RA sensor C7250A MAT C7250A OAT C7400S RA ________________________________________________ ...

Page 173: ...stallation Instructions shipped with every economizer or can be found at www customer honeywell com Type the part number in the search area and click on GO Find the complete part number in red and click on it The specific product number page will appear and click on the Literature tab and select either the Product Data Sheet or Installation Instructions You can download the literature or print a c...

Page 174: ...8 The motor will drive open 9 Remove the 24 Vac from TR and TR1 and the motor should drive close If using a Honeywell DCA the on the logic module will be connected to 3 and does not need to be connected to since the actuators are internally connected to ground When the first line of a procedure states Execute step one Checkout Preparation this directs you to reset the logic module to the initial c...

Page 175: ...Section 13 Checkout 169 Honeywell Economizers 63 8594 02 If using two transformers make sure the transformers are tied to the same COM and are from the same power source ...

Page 176: ... sensor accuracy and above 90 RH the accuracy changes to 0 4Vdc The lines and chart for the So C7400 sensor are slightly different The reason is for a differential of the sensor inputs to the logic modules for a choice between the two sensors for differential enthalpy To assure accuracy in reading these charts which are small a table is provided on the following page for ease of use 40 4 50 10 21 ...

Page 177: ...216 3 702 4 188 4 674 5 16 90 RH mA curve 4 6 8 10 12 14 16 18 20 Low 4 Vdc 0 572 1 058 1 544 2 03 2 516 3 002 3 488 3 974 4 46 Nominal 0 972 1 458 1 944 2 43 2 916 3 402 3 888 4 374 4 86 High 4 Vdc 1 372 1 858 2 344 2 83 3 316 3 802 4 288 4 774 5 26 SR Vdc measured between Sr and GND 90 RH mA curve 4 6 8 10 12 14 16 18 20 Low 3 Vdc 0 72 1 23 1 74 2 25 2 76 3 27 3 78 4 29 4 8 Nominal 1 02 1 53 2 0...

Page 178: ...actuator will place the damper in a closed position 2 Press the enter button to select the item 3 RUN will display on the screen 4 Press the enter button to start the test 5 The unit will pause and then displays INPROGRESS on the screen 6 When the test is complete OR you hear the relays close DONE appears on the screen or you can press the up arrow with circle button to go to the next test 7 When ...

Page 179: ...173 Honeywell Economizers 63 8594 02 Section 14 Simulator for W7212 ...

Page 180: ...t can also be downloaded from the same web page to guide you on how to use the simulator On the picture shown below all of the white arrows are inputs to the economizer logic from sensors or a commercial thermostat All of the red arrows denote changes potentiometers or settings that can be made by the user And the black arrows are out puts of the logic module to the actuator to change the damper p...

Page 181: ...ers 63 8594 02 To download the program Go to www customer honeywell com economizertools The W7212 economizer simulator is the last file on the page Click on it to open the zipped file Download the LabView Runtime program then open the W7212 Trade exe file ...

Page 182: ...Section 14 Simulator for W7212 63 8594 02 Honeywell Economizers 176 ...

Page 183: ...Section 15 Demo for W7220 177 Honeywell Economizers 63 8594 02 Section 15 Demo for W7220 ...

Page 184: ... Demo download will appear and click on it It requires that Adobe Flash Player be installed An option to download Flash Player is given The JADETM demo simulates the functions of the JADETM Controller and allows the user to walk through the 6 root items on the menu and will display on the screen as they will on the LCD on the device The six menu items are shown in the left column of the demo they ...

Page 185: ...row to go to the next root menu which is SYSTEM SETUP Note in the STATUS menu you could not change the values because JADETM is reporting the status of the system In the SYSTEM SETUP menu items you will see an enter arrow in front of the value which allows you to change the value of the item For example if you want to change the units for degrees from F to C then you scroll down to the menu item U...

Page 186: ...Section 15 Demo for W7220 63 8594 02 Honeywell Economizers 180 ...

Page 187: ...Section 16 Economizer Savings Estimator 181 Honeywell Economizers 63 8594 02 Section 16 Economizer Savings Estimator ...

Page 188: ...12 years of weather data from 1900 to 2012 Make sure you update the cost of electricity and demand charges in your region The software will error if you do not add in the gas and electricity charges for the location The savings estimator evaluates the operating costs cost savings and payback period associated with alternate control strategies or a limited number of small prototypical commercial bu...

Page 189: ...vices Economizer control systems with an electromechanical enthalpy based control such as the H205 as the changeover device Economizer control systems with single sensor enthalpy such as H705 or W7459 JADETM W7220A controller with C7250 Mixed air and C7250 Outdoor air sensor for dry bulb or C7400S enthalpy sensor See section 11 for JADETM information Economizer control systems without demand contr...

Page 190: ...r 75 F 21 or 24 C A relay is used to switch the mixed air control circuit as the first stage of cooling to a minimum position when the outside air minimum position potentiometer provides ventilation by preventing full closure of the outside air dampers TRANSFORMER T675 DRY BULB HIGH LIMIT CONTROL MINIMUM POSITION CONTROL MIXED AIR DAMPER MOTOR T991 MIXED AIR CONTROL COOLING COMMERCIAL THERMOSTAT C...

Page 191: ...dry bulb or enthalpy depending on the application Many of these were installed on rooftop units with the schematic illustrated above using a H205 enthalpy control as the switchover device The H205 was an electromechanical enthalpy control with a nylon humidity element The W859 W957 and H205 are no longer available for purchase and need to be replaced with a JADETM controller and new Modutrol Motor...

Page 192: ...oller the actuator for the dampers need to be replaced In the replacement illustration on the next page a direct coupled actuator is used 60 180 90 170 16 15 140 130 120 110 100 F 80 70 3 4 2 5 1 T7067 THERMOSTAT LOW O A AMBIENT COMPRESSOR LOCKOUT STAT OPTIONAL W973 SINGLE ZONE PANEL M13850 2 1 HEAT 2 1 COOL MOD HEAT L O O C 3 T A E H 3 MOD COOL WH BH RH RC BC WC SENSOR STAT 24 VAC ECONO T1 T C 20...

Page 193: ... E GND Y1 G W2 W1 Y2 O B OCC W7220 ECONOMIZER CONTROLLER MODULE THERMOSTAT CO2 SENSOR 2 10 VDC OPTIONAL MAT MAT OAT OAT C R R C M32650D IAQ 2 10V IAQ COM IAQ 24V ACT 2 10V ACT COM ACT 24V 3 1 2 OAT TEMP SENSOR 20K NTC MS3103J OR MS3105J 1 1 MA TEMP SENSOR 20K NTC S BUS 4 5 S BUS AUX1 0 AUX2 I NOTE THAT THE 20K NTC SENSOR CAN BE MOUNTED IN THE OAT TERMINALS ONLY IN THIS CONFIGURATION WHEN USING A H...

Page 194: ...oved from the W7459 2 Remove the M7415 and using the same mounting holes mount the M7215 motor in it s place 3 Mount JADETM on the inside of the Rooftop unit where it will be easy to read the display and to change the settings 4 Wire JADETM to M7215 using three new wires and 1 4 in quick connects on motor end of wires 5 Terminate wires removed from the W7459 to the JADETM Sensor to be changed M721...

Page 195: ... and Upgrades 189 Honeywell Economizers 63 8594 02 Old Sensor Description New Sensor C7046A Discharge Air C7400S1000 C7150B Mixed Air C7250A1001 C7400 Solid State Enthalpy C7400S1000 C7660 Solid State Dry Bulb C7250A1001 ...

Page 196: ...ed for Minimum Position and Changeover Curve A B C D potentiometers The changeover curve boundaries and minimum position are set using the LCD display menu item Setpoints and the 4 buttons on JADETM For programming JADETM refer to the Installation Instructions 62 0331 supplied with the JADETM ...

Page 197: ...to read the display and to change the settings 3 Wire JADETM to the existing M7215 motor using three new wires and in quick connects on motor end of wires 4 Terminate wires removed from the W7212 to the JADETM Sensor to be changed CO2 sensor no longer requires a separate transformer can be powered by JADETM EFH1 out is 24 Vac need to add a DPDTrelay between EFH1 and C terminals M7215 wire terminat...

Page 198: ... CO2 boundaries and minimum position are set using the LCD display menu item Setpoints and the 4 buttons on JADETM For programming JADETM refer to the Installation Instructions 62 0331 supplied with the JADETM Old Sensor Description New Sensor Termination on W7220 C7046A Discharge Air C7400S1000 S Bus C7150B Mixed Air C7250A1001 MAT C7400 Solid State Enthalpy C7400S1000 S Bus C7660 Solid State Dry...

Page 199: ...7210 2 Mount JADETM on the inside of the Rooftop unit where it will be easy to read the display and to change the settings 3 Wire JADETM to the existing M7215 motor using three new wires and in quick connects on motor end of wires 4 Terminate wires removed from the W7210 to the JADETM Sensor to be changed M7215 wire termination W7220 Wire termination TR ACT 24V hot TR1 ACT COM IN ACT 2 10V W7210 w...

Page 200: ... curve CO2 boundaries and minimum position are set using the LCD display menu item Setpoints and the 4 buttons on JADETM For programming JADETM refer to the Installation Instructions 62 0331 supplied with the JADETM Old Sensor Description New Sensor Termination on W7220 C7046A Discharge Air C7400S1000 S Bus C7150B Mixed Air C7250A1001 MAT C7400 Solid State Enthalpy C7400S1000 S Bus C7660 Solid Sta...

Page 201: ...s mount the M7285A1045 motor in its place 3 Mount JADETM on the inside of the Rooftop unit where it will be easy to read the display and to change the settings 4 Terminate wires removed from the W859 to the JADETM Sensor to be changed 1 Replace T874 thermostat with a two stage commercial programmable thermostat 2 Add earth ground to the W7220 JADETM controller W859F wire termination W7220 wire ter...

Page 202: ... transformers for the motor and for W7220 The W7220 must be earth grounded There is no longer a need for Minimum Position and Changeover Curve A B C D potentiometers The changeover curve boundaries and minimum position are set using the LCD display menu item Setpoints and the 4 buttons on JADETM For programming JADETM refer to the Installation Instructions 62 0331 Old Sensor Description New Sensor...

Page 203: ...e display and to change the settings 4 Terminate wires removed from the W957 to the JADETM Sensor to be changed 5 Add a two stage commercial programmable thermostat 6 Use separate transformers for the motor and for W7220 Add earth ground to the W7220 JADETM controller W957G wire termination W7220 wire termination 1 Y1 In 2 Y1 Out 3 Y2 In 4 Y2 Out T0 power hot R use system transformer T2 power comm...

Page 204: ...ometers The changeover curve boundaries and minimum position are set using the LCD display menu item Setpoints and the 4 buttons on JADETM For programming JADETM refer to the Installation Instructions 62 0331 supplied with the JADETM Old Sensor Description New Sensor C7046A Discharge Air C7400S1000 C7150B Mixed Air C7250A1001 C7400 Solid State Enthalpy C7400S1000 C7660 Solid State Dry Bulb C7250A1...

Page 205: ...ifferential dry bulb for single dry bulb use C7660A1000 C7650A1027 OEM Carrier use only with differential dry bulb for single dry bulb use C7660A1000 C7650A1001 Sensor Comments Can be replaced with C7232A1008 Wall with display 1 relay out with Honeywell logo C7232A1016 C7232A1016 Wall no display 1 relay out with Honeywell logo C7232A1008 C7232A1024 Wall with display 1 relay out no Honeywell logo C...

Page 206: ... W6210A All models W7220A1000 JADETM C7250A1001 C7400S1000 series 72 actuator W6215A1008 Standard W7220A1000 JADETM C7250A1001 C7400S1000 series 72 actuator W7210A All models W7220A1000 JADETM C7250A1001 C7400S1000 series 72 actuator W7212A1009 All models W7220A1000 JADETM C7250A1001 C7400S1000 W7215A1006 All models W7220A1000 JADETM C7250A1001 C7400S1000 W7215B1004 With outdoor IAQ No replacement...

Page 207: ...7460A1008 Standard W7220A1000 JADETM C7250A1001 C7400S1000 M7215A1008 W7460B1006 With outdoor IAQ No replacement W7499A All models W7220A1000 JADETM C7250A1001 C7400S1000 M7215A1008 W859A All models W7220A1000 JADETM C7250A1001 C7400S1000 M7285A1045 Check for input voltage a transformer may be required W957B All models W7220A1000 JADETM C7250A1001 C7400S1000 M7285A1045 Check for input voltage a tr...

Page 208: ...tor Comments Can be replaced with M7215A1008 Standard M7215A1016 Trane X1365087804 M7215A1008 M7215A1024 York 8565 M7215A1008 M7215A1032 Lennox 60M1101 M7215A1008 M7415A1006 Standard M7215A1008 for 2 10 Vdc M7415A1014 York 7625 M7215A1008 for 2 10 Vdc M7415A1048 Lennox 54G4601 M7215A1008 for 2 10 Vdc MS3103J1010 Standard 27 lb in DCA Use with W7220 Jade ONLY MS3105J3030 Standard 44 lb in DCA Use w...

Page 209: ...250A1001 MAT Sensor C7250A1001 DCA OA MS3105J3030 Dry Bulb w communicating 27 lb in DCA and CO2 wall sensor without a display YL7220ACW3103 Logic Module W7220A1000 OAT sensor C7250A1001 MAT Sensor C7250A1001 DCA OA MS3103J1030 CO2 sensor C7632A1004 Economizer Logic Module Logic Module W7220A1000 SENSORS Mixed Air or Outdoor Air Temperature Sensor MAT or OAT sensor C7250A1001 Outdoor Air Enthalpy S...

Page 210: ...Logic Module W7220A1000 OAE sensor C7400S1000 MAT Sensor C7250A1001 Black Motor M7215A1008 CO2 Sensor C7232B1014 Enthalpy w non communicating DCA YL7220S7503 Logic Module W7220A1000 OAE sensor C7400S1000 MAT Sensor C7250A1001 DCA OA MS7503A2030 Enthalpy w communicating 27 lb in DCA YL7220SJ3103 Logic Module W7220A1000 OAE sensor C7400S1000 MAT Sensor C7250A1001 DCA OA MS3103J1030 Enthalpy w commun...

Page 211: ... 205 Honeywell Economizers 63 8594 02 Enthalpy w communicating 27 lb in DCA and CO2 duct sensor with a display YL7220SCD3103 Logic Module W7220A1000 OAE sensor C7400S1000 MAT Sensor C7250A1001 DCA OA MS3103J1030 CO2 Sensor C7232B1014 ...

Page 212: ...Section 17 Retrofit and Upgrades 63 8594 02 Honeywell Economizers 206 ...

Page 213: ...s disease or hypersensitivity pneumonitis Carbon Footprint A measure of the greenhouse gases GHG that are produced by activities of a person or a business that involve burning fossil fuels Changeover Control The control device used to switch over from outside to return air or visa versa to make optimum use of outside air for free cooling Controlled Medium The medium in which the controlled variabl...

Page 214: ...05 which is constructed of moving parts instead of solid state or electronic components Typically more calibration and replacement is required of these devices than solid state controllers Enthalpy A measure of the total energy content of air based upon both temperature and moisture content When selecting air for cooling it is a better measurement than solely temperature Final Control Element A de...

Page 215: ...nge Expressed in values of the controlled variable such as degrees percent relative humidity or pressure in pounds per square inch or kPa Also referred to as proportional band For a modulating commercial thermostat the temperature change required to drive the manipulated variable from full off to full on Total Heat Same as enthalpy Two Position A basic on off control circuit in which the device be...

Page 216: ...ists of two crank arm assemblies two ball joint assemblies and variable length push rods in 10 16 or 24 inch lengths 4074EKV Auxiliary Switch Provides switching capability for controlling auxiliary equipment The switch acts as a function of the actuator shaft position Adapters and potentiometers are available to be installed directly on actuator or on W7459 controller M3856A Q298 M11546A M3852B ...

Page 217: ...face tool for JADETM controller and Personal Computer Duct Mount Kit 50053060 001 Duct mounting kit for sensors 2 pin Edge Connector for Sensors 50048926 001 2 pin edge connector for sensors 20 pieces per bag 6 pin Edge Connector for Field Wiring 50048926 002 6 pin edge connector for field wiring 20 pieces per bag ...

Page 218: ...ion and Control Solutions Honeywell International Inc 1985 Douglas Drive North Golden Valley MN 55422 customer honeywell com U S Registered Trademark 2013 Honeywell International Inc 63 8594 02 M S 05 13 Printed in United States ...

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