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PRODUCT DATA

63-2544-3

® U.S. Registered Trademark
Copyright © 2001 Honeywell •  All Rights Reserved 

W6215, W7215, W7460

Economizer Logic Modules

FOR VENTILATION CONTROL

APPLICATION

W6215, W7215, and W7460 Economizer Logic Modules are 
used with an indoor sensor input (ISI), and solid state C7400 

Enthalpy Sensors or C7650 Dry Bulb Temperature Sensors. 

All models proportion outdoor and return air dampers for 
control of free cooling in commercial HVAC equipment. The 

W7215B and W7460B are used with an outdoor sensor input 

(OSI) along with the ISI.

FEATURES

• Operates from the space thermostat and an ISI to 

provide a totally integrated control system.

• Solid state control package provides accuracy, 

reliability and stability.

• Housed in high-impact, glass-fiber reinforced 

plastic case.

• Mounts on sheet metal duct or remotely in a 

mechanical room. Mounting screws included.

• The W6215 and W7215 are used with Honeywell 

Series 62 and Series 72 actuators (respectively). 

The W7460 is used with Honeywell M7415 Damper 

Actuators.

• Combines minimum and maximum damper position 

potentiometers and compressor staging relay 

functions with solid state enthalpy or dry bulb 

changeover control this control can be tempered 
by ISI, and fan cycling.

• Outdoor Sensor input incorporated into logic of 

W7215B and W7460B models.

• Shutdown and Air Change can be used with all 

models.

• Purge cycling can be used with the W6215A, W7215A 

and W7460A models.

• Terminals included for connecting optional S963B1128 

Remote Potentiometers for remote minimum and 

maximum damper position control.

• LED and relay terminals indicate when free cooling 

is available.

• LED indicates when module is in ISI mode.

Contents

Application ........................................................................

1

Features ...........................................................................

1

Specifications ...................................................................

2

Ordering Information  ........................................................

2

Installation ........................................................................

3

Operation ..........................................................................

5

Settings and Adjustments .................................................

6

Checkout and Troubleshooting ......................................... 26

Содержание W6215 Series

Страница 1: ...emotely in a mechanical room Mounting screws included The W6215 and W7215 are used with Honeywell Series 62 and Series 72 actuators respectively The W7460 is used with Honeywell M7415 Damper Actuators Combines minimum and maximum damper position potentiometers and compressor staging relay functions with solid state enthalpy or dry bulb changeover control this control can be tempered by ISI and fan...

Страница 2: ...F 32 C to 52 C Humidity Noncondensing 5 to 95 percent rh Inputs Enthalpy C7400 2 wire 18 20 22 AWG connection Dry Bulb Temperature C7650 2 wire 18 20 22 AWG connection Discharge Air C7046 2 wire 18 20 22 AWG connection Mixed Air C7150 2 wire 18 20 22 AWG connection Indoor Sensor 2 10 Vdc control signal Outdoor Sensor W7215B and W7460B only 2 10 Vdc control signal Outputs W7215 2 10 Vdc W6215 Serie...

Страница 3: ...erential sensing both sensors must be of the same type enthalpy or dry bulb OUTDOOR AIR SENSING 1 Mount sensor in any orientation that exposes it to freely circulating air and protects it from rain snow and direct sunlight 2 Connect it to the SO and terminals of the device RETURN AIR SENSING 1 Ensure differential enthalpy control has a second sensor in the return air duct 2 Connect this sensor to ...

Страница 4: ...1 are ac dc common connections Optional Applications Remote Minimum Position Control Remote control of outdoor air dampers is desirable when requiring temporary additional ventilation One potentiometer controls the damper minimum position another potentiometer controls the damper maximum position The addition of S963B1128 Remote Potentiometers allows occupants to open or close the dampers beyond m...

Страница 5: ...inals PG and PG1 connect through relay contacts or a jumper 1 Outdoor damper drives fully closed 2 Exhaust fan turns on Fig 4 S963B1128 Remote Potentiometer used with W6215 W7215 W7460 for remote damper control Logic Module Actuator Enthalpy Changeover Figure Comments W6215A Honeywell Series 62 Single 8 Single stage cooling system Single or Differential 9 Two stage cooling system W7215A Honeywell ...

Страница 6: ...tion based on ISI signal between minimum and maximum positions c With ISI signal less than mixed air sensor signal Modulation based on mixed air sensor signal between M7215B Minimum and full open positions M7460B Minimum and maximum positions d Modulation based on mixed air sensor signal Alarm terminals connect to energize warning light audio alarm or air cleaner Table 5 W6215 W7215 W7460 Economiz...

Страница 7: ...mixed air temperature reaches the calculated value NOTE Ensure that the sensed air is well mixed Equation 1 Formula to aid in minimum position adjustment Where TO Outdoor air temperature OA Percent of outdoor air TR Return air temperature RA Percent of return air TM Resulting mixed air temperature IMPORTANT This procedure requires use of a quality thermometer capable of reading to 0 5 F 0 25 C NOT...

Страница 8: ...e exhaust setpoint at an actual damper position percentage open from fully closed Fixed Exhaust Setpoint W7215B and W7460B The W7215B and W7460B Logic Modules have a fixed exhaust setpoint The logic module uses an exhaust setpoint of 60 percent When the damper reaches 60 percent open from fully closed the logic module calls for exhaust Fig 6 W7215A used with Honeywell Series 90 Actuator Fig 7 W621...

Страница 9: ...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 FOR T7300 USE CONTACTS A1 AND A2 INSTEAD...

Страница 10: ...PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN THE COMMON FOR THE W6215A IS DIFFERENT THAN THE COMMON WIPER FOR THE SERIES 62 ACTUATORS BE SURE TO CONNECT EACH TO A DIFFERENT CIRCUIT 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 T...

Страница 11: ... 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 FOR T7300 USE CONTACTS A1 ...

Страница 12: ...AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN FOR THE ML7295A C USE THE 4 20 mA MODEL ACTUATOR THESE MODELS HAVE 500 OHM INPUT IMPEDENCE THAT ALLOWS THE ACTUATOR TO ACCEPT A 2 10 VDC SIGNAL 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 INST...

Страница 13: ...N ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN FOR THE ML7295A C USE THE 4 20 MA MODEL ACTUATOR THESE MODELS HAVE 500 OHM INPUT IMPEDENCE THAT ALLOWS THE ACTUATOR TO ACCEPT A 2 10 VDC SIGNAL FACTORY INSTALLED 620 OHM 1 WATT 5 RESISTOR SHOULD BE REMOVED ONLY WHEN A C7400 ENTHALPY SENSOR IS ADDED TO SR AND FOR DIFFERENTIAL ENTH...

Страница 14: ... ACCEPT A 2 10 VDC SIGNAL 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 FOR T7300 USE CONTACTS A1 AND A2 INSTEAD OF THE TIMER FOR TWO STAGE THERMOSTATS ONLY C7400 OUTDOOR AIR ENTHALPY SENSOR UNOCCUPIED ST6008 TIMER L1 HOT L2 FDR FDR FAN HEAT 1 HEAT ...

Страница 15: ...ENCE THAT ALLOWS THE ACTUATOR TO ACCEPT A 2 10 VDC SIGNAL 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 C7400 OUTDOOR AIR ENTHALPY SENSOR UNOCCUPIED ST6008 TIMER L1 HOT L2 FDR FDR FAN HEAT 1 HEAT 2 COOL 1 HVAC EQUIPMENT TERMINAL STRIP T...

Страница 16: ...0 mA MODEL ACTUATOR THESE MODELS HAVE 500 OHM INPUT IMPEDENCE THAT ALLOWS THE ACTUATOR TO ACCEPT A 2 10 VDC SIGNAL 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 T775 REQUIRES A MINIMUM OF THREE RELAY OUTPUTS TWO FOR COOLING AND ONE FOR FAN CONTROL A MAXIMUM OF ONE STAGE HEATING IS POSSIBLE WHEN THE SYSTE...

Страница 17: ...IMUM 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 FOR T7300 USE CONTACTS A1 AND A2 INSTEAD OF THE TIMER FOR TWO STAGE THERMOSTATS ONLY 2 10 VDC INDOO...

Страница 18: ...MUM POSITION ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN FOR T7300 USE CONTACTS A1 AND A2 INSTEAD OF THE TIMER 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 2 10 VDC INDOOR AIR SENSOR SHUT DOWN PURGE AIR CHANGE C7400...

Страница 19: ...OULD NOT BE REMOVED DIFFERENTIAL ENTHALPY NOT RECOMMENDED FOR USE WITH SINGLE STAGE COOLING SYSTEMS OR SINGLE STAGE COOLING THERMOSTATS FOR T7300 ONLY FOR T7300 USE CONTACTS A1 AND A2 INSTEAD OF THE TIMER FOR TWO STAGE THERMOSTATS ONLY C7400 OUTDOOR AIR ENTHALPY SENSOR UNOCCUPIED ST6008 TIMER L1 HOT L2 FDR FDR FAN HEAT 1 HEAT 2 COOL 1 HVAC EQUIPMENT TERMINAL STRIP T7300 OR T874 THERMOSTAT 1 C G W1...

Страница 20: ...ACTS A1 AND A2 INSTEAD OF THE TIMER 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 C7400 OUTDOOR AIR ENTHALPY SENSOR UNOCCUPIED ST6008 TIMER L1 HOT L2 FDR FDR FAN HEAT 1 HEAT 2 COOL 1 HVAC EQUIPMENT TERMINAL STRIP T7300 OR T874 THERMOSTAT 1 C G W1 Y1 Y2 R W2 RC RH G X W1 Y1 Y2 W2 OCCUPIED 6...

Страница 21: ... 5 2K W6215 W7215 W7460 ECONOMIZER 1K 1S 1S1 HONEYWELL ACTUATOR 1 3 2 1 2 3 W R AT72A 40 VA TRANSFORMER L2 L1 HOT W7100 COOL 6 COOL 5 COOL 4 COOL 3 COOL 2 COOL 1 POWER SUPPLY POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 510 OHM 1 4 WATT 5 PERCENT RESISTOR CONTAINED IN 4074EFV BAG ASSEMBLY ELIMINATES ECONOMIZER DELAYS ACTUATOR MODEL DEPENDENT ON LOGIC MODULE MODEL M1189...

Страница 22: ...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 CONNECT ONLY THE MASTER ACTUATOR TO THE W6215 FEEDBACK OUTPUT THE COMMON FOR THE W6215A IS DIFFERENT THAN THE COMMON WIPER FOR THE SERIES 62 ACTU...

Страница 23: ...0 OHM RESISTOR 24 VAC HOT 24 VAC COM MINIMUM POSITION ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN FOR T7300 USE CONTACTS A1 AND A2 INSTEAD OF THE TIMER 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 2 10 VDC INDOOR AI...

Страница 24: ...6A DISCHARGE AIR SENSOR 620 OHM RESISTOR 24 VAC HOT 24 VAC COM MINIMUM POSITION ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN FOR T7300 ONLY 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 2 10 VDC INDOOR AIR SENSOR SHUT DOWN PURGE AIR...

Страница 25: ...SOR 620 OHM RESISTOR 24 VAC HOT 24 VAC COM MINIMUM POSITION ADJUSTMENT MAXIMUM POSITION ADJUSTMENT Q1 Q AQ1 AQ SD1 AC1 PG1 SD AC PG FREE COOL UNIT CONTROL EXHAUST FAN INDOOR FAN ENSURE THAT TRANSFORMER IS SIZED TO HANDLE THE LOAD OF ALL ACTUATORS 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 ON...

Страница 26: ...r controls Use a small screwdriver when adjusting enthalpy changeover and minimum damper position controls 1 3 4 2 5 2K W6215 W7215 W7460 LOGIC MODULE 1K 1S 1S1 HONEYWELL ACTUATOR 1 2 1 2 W R L2 L1 HOT COOL 3 COOL 2 COOL 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED ACTUATOR MODEL DEPENDENT ON LOGIC MODULE MODEL M11991A 2 1 COOL 3 HEAT 3 COOL 2 1 HEAT MOD HEAT WH BH R...

Страница 27: ...AQ1 are open LED for both ISI and Exhaust should be off Actuator drives fully closed c Connect 9V battery positive to AQ and negative to AQ1 LED for both ISI and Exhaust turn on Actuator drives 90 to 95 percent open d Turn Exhaust potentiometer CW until Exhaust LED turns off Exhaust LED turns off with potentiometer at approximately 90 percent Actuator remains in position e Turn ISI potentiometer C...

Страница 28: ...contacts open Exhaust Fan contacts close Actuator drives fully closed i Jumper Shutdown terminals 8 MIXED AIR INPUT a Execute step one Checkout Preparation b Set enthalpy potentiometer to A Free cool LED turns on c Replace 6 8K ohm resistor across T and T1 with 5 6K ohm resistor Actuator drives to between 20 and 80 percent open d Remove 5 6K ohm resistor and jumper T to T1 Actuator drives fully op...

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