Carrier WeatherMaster 50HC04 Service And Maintenance Instructions Download

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Fig. N — 50HC*D07 PAC Power Diagram — 208/230-3-60, 460-3-60 (6 Ton 2 Stage with Dehumidification)

APPENDIX D — WIRING DIAGRAMS

Summary of Contents for WeatherMaster 50HC04

Page 1: ...20 Duty Cycle 21 Maintenance 21 Fuse on Powered Type 21 ELECTRIC HEATERS 21 Completing Heater Installation 22 SMOKE DETECTORS 24 System 24 Controller 24 Smoke Detector Sensor 24 Smoke Detector Locations 25 Completing Installation of Return Air Smoke Detector 25 FIOP Smoke Detector Wiring and Response 26 SENSOR AND CONTROLLER TESTS 26 Sensor Alarm Test 26 Controller Alarm Test 26 Dirty Controller T...

Page 2: ...death Before performing service or maintenance operations on unit LOCKOUT TAGOUT the main power switch to unit Electrical shock and rotating equipment could cause severe injury WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal inju ry or death Units with convenience outlet circuits may use multiple disconnects Check convenience outlet for power status befo...

Page 3: ...o be periodically re placed or cleaned Filters RETURN AIR FILTERS Return air filters are disposable fiberglass media type Access to the filters is through the small lift out panel located on the rear side of the unit above the evaporator return air access panel See Fig 3 To remove the filters 1 Grasp the bottom flange of the upper panel 2 Lift up and swing the bottom out until the panel disen gage...

Page 4: ...tor assembly and cannot be serviced or replaced separately The 208 230 v units use a 230 v motor 460 v units use a 230 v motor with a stepdown transformer mounted on the end of the fan housing see Fig 5 575 v units use a 460 v motor with an autotransformer Motor power voltage is connected to motor terminals L and N see Fig 6 and 10 ground is connected at terminal G The motor power voltage is ALWAY...

Page 5: ...e Fig 7 Blue A to Black B Blue A to Red C Black B to Red C The difference between any two leads should be less than 20 Ohms The resistance from A to B A to C and B to C should be approximately the same should differ by a maxi mum of 10 See Fig 8 3 Inspect resistance to ground a Measure the resistance of each lead to the unpainted motor plate see Fig 9 b Resistance should be 100KΩ c If measure resi...

Page 6: ... system consists of a forward curved centrifugal blower wheel on a solid shaft with two concentric type bearings one on each side of the blower housing A fixed pitch driven pulley is attached to the fan shaft and an adjust able pitch driver pulley is on the motor The pulleys are con nected using a V belt See Fig 11 Fig 11 Typical Belt Drive Motor Mounting BELT Check the belt condition and tension ...

Page 7: ...justment of the movable flange Reset the belt tension after each realignment Inspect the condition of the motor pulley for signs of wear Glazing of the belt contact surfaces and erosion on these sur faces are signs of improper belt tension and or belt slippage Replace pulley if wear is excessive Changing the fan speed 1 Shut off unit power supply Use proper lockout tag out procedures 2 Loosen belt...

Page 8: ...he unit does not meet that criteria discard this document Table 3 Model Size VFD Option Indicator See Appendix A for an example of model number nomenclature Unit Installation with SAV Option 50HC ROOFTOP Refer to the base unit installation instructions for standard re quired operating and service clearances See Variable Frequency Drive VFD Installation Setup and Troubleshooting Supplement for wiri...

Page 9: ...tension using adjustment tool 26 Turn two jack bolts clockwise moving the motor assembly away from the blower pulley increasing the V belt tension 27 Tighten the four bolts securing the motor mounting brack ets to the unit Torque four bolts to 120 12 in lb 14 1 4 Nm 28 Remove cover on motor connection box 29 Re connect all electrical leads to the motor and replace the connection box cover 30 Re co...

Page 10: ...K30WA360 ACH550 U0 06A9 4 2 4 HP 575V HD56FE577 575 3 4 60Hz 1725 2 4 DI 2 3 40Hz 60Hz 60Hz 16 FLT Alarm 3 9 0Hz 60Hz 4kHz Auto Ramp Not Sel 30 sec 30 sec HK30WA352 ACH550 U0 06A9 4 2 9 HP 230V HD58FE654 230 9 2 60Hz 1725 2 9 DI 2 3 40Hz 60Hz 60Hz 16 FLT Alarm 10 6 0Hz 60Hz 4kHz Auto Ramp Not Sel 30 sec 30 sec HK30WA356 ACH550 U0 08A8 4 2 9 HP 460V HD58FE654 460 4 6 60Hz 1725 2 9 DI 2 3 40Hz 60Hz ...

Page 11: ...c HK30WA353 ACH550 U0 06A9 4 3 7 HP 230V HD60FE656 230 11 2 60Hz 1725 3 7 DI 2 3 40Hz 60Hz 60Hz 16 FLT Alarm 12 9 0Hz 60Hz 4kHz Auto Ramp Not Sel 30 sec 30 sec HK30WA357 ACH550 U0 06A9 4 3 7 HP 460V HD60FE656 460 5 6 60Hz 1725 3 7 DI 2 3 40Hz 60Hz 60Hz 16 FLT Alarm 6 4 0Hz 60Hz 4kHz Auto Ramp Not Sel 30 sec 30 sec HK30WA361 ACH550 U0 08A8 4 3 7 HP 575V HD58FE577 575 4 2 60Hz 1725 3 7 DI 2 3 40Hz 6...

Page 12: ...on container and part number P902 0305 for a 5 gallon container It is recommended that all coils including standard aluminum pre coated copper copper or e coated coils be cleaned with the Totaline environmentally balanced coil cleaner as described below Coil cleaning should be part of the unit s regularly scheduled maintenance proce dures to ensure long life of the coil Failure to clean the coils ...

Page 13: ...etion 5 Reinstall economizer and filters 6 Reconnect wiring 7 Replace access panels THERMOSTATIC EXPANSION VALVE TXV All 50HC units have a factory installed nonadjustable thermo static expansion valve TXV The TXV is a bi flow bleed port expansion valve with an external equalizer The TXVs are spe cifically designed to operate with Puron or R 22 refrigerant Use only factory authorized TXVs Do not in...

Page 14: ... place 10 Sweat the inlet of TXV marked IN to the liquid line Avoid excessive heat which could damage the TXV valve Use quenching cloth when applying heat anywhere on TXV Refrigerant System Pressure Access Ports There are two access ports in the system on the suction tube near the compressor and on the discharge tube near the compres sor These are brass fittings with black plastic caps The hose co...

Page 15: ...propriate chart are met Note the charging charts are different from type normally used Charts are based on charging the units to the correct sub cooling for the various operating conditions Accurate pressure gage and temperature sensing device are required Connect the pressure gage to the service port on the liquid line Mount the tempera ture sensing device on the liquid line and insulate it so th...

Page 16: ...0 250 300 350 400 450 500 550 600 20 40 60 80 100 120 140 160 Add charge if above the curve Remove charge if below the curve 350 700 1050 1400 1750 2100 2450 2800 3150 3500 3850 6 0 6 12 18 24 30 36 42 48 54 60 20 40 60 80 100 120 140 50 100 150 200 250 300 350 400 450 500 550 600 Temperature at Liquid Valve C F Compressor Discharge Pressure PSIG Kpa 2 Stage 6 Ton Charging Chart R 410A Refrigerant...

Page 17: ...rigerant Temperature Degrees F 48TM504393 REV D Remove charge if below the curve Add charge if above the curve 600 550 500 450 400 350 300 250 200 150 20 40 60 80 100 120 140 160 12 5 TON HC CIRCUIT A CHARGING CHART COOLING MODE ONLY R410A REFRIGERANT 12 5 TON HC CIRCUIT B CHARGING CHART COOLING MODE ONLY R410A REFRIGERANT Remove charge if below the curve Add charge if above the curve Remove charg...

Page 18: ...Loosen fan hub setscrews 4 Adjust fan height as shown in Fig 33 5 Tighten setscrews 6 Replace condenser fan assembly Fig 33 Condenser Fan Adjustment See Fig 34 for typical piping schematic CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in damage to components The compressor is in a Puron refrigerant system and uses a polyolester POE oil This oil is extremely hygroscopic meani...

Page 19: ...19 Fig 34 Typical Piping Schematic Dual Circuit Unit Shown FILTER DRIER FILTER DRIER OUTDOOR COIL INDOOR COIL TXV 2 TXV1 COOLING LIQUID LINES LPS LOC HPS1 COMPRESSOR COMP 1 HPS2 COMPRESSOR COMP 2 ...

Page 20: ... Weatherproof Cover Installation Non Powered Type This type requires the field installation of a general purpose 125 v 15 A circuit powered from a source elsewhere in the building Observe national and local codes when selecting wire size fuse or breaker requirements and disconnect switch size and location Route 125 v power supply conductors into the bottom of the utility box containing the duplex ...

Page 21: ... side break auto reset or line break auto reset limit switches and a pilot circuit manual reset limit switch to protect the unit against over temperature situations One or two heater modules can be used in a unit Heater modules are installed in the compartment below the in door supply fan outlet Access is through the indoor access panel Heater modules slide into the compartment on tracks along the...

Page 22: ...applications use a combination of 24 v control side break auto reset line break non resettable one shot limit switches and a pilot circuit manual reset limit switch to protect the unit against over temperature situations Line break auto reset limit switches 24 v control side break auto reset and line break non resettable one shot limit switches are mounted on the base plate of each heater module S...

Page 23: ... heater 1 Connect the ORN lead to terminal TB4 1 Connect the VIO lead to terminal TB4 2 Connect the BRN lead to terminal TB4 3 See Fig 45 The 50HC units use a various number of control wires colors and terminal boards depending on voltage and unit size See Fig 46 48 and the unit wiring diagram for proper placement Fig 45 Accessory Electric Heater Control Connections AC 1 Size 08 14 AC 2 Size 08 12...

Page 24: ...uble Alarm and Dirty and a manual test reset button on the left side of the housing Fig 49 Controller Assembly Air is introduced to the duct smoke detector sensor s sensing chamber through a sampling tube that extends into the HVAC duct and is directed back into the ventilation system through a shorter exhaust tube The difference in air pressure between the two tubes pulls the sampled air through ...

Page 25: ...wnward into the return air stream The sampling tube is connected using tubing to the return air sensor mounted on a bracket high on the partition between return filter and control ler location The sensor is shipped in a flat mounting location Installation requires the sensor be relocated to its operating lo cation and the tubing to the sampling tube be connected See installation steps below Fig 53...

Page 26: ...is reported to connected BAS network USING REMOTE LOGIC Five conductors are provided for field use see Highlight F in Fig 56 for additional annunciation functions ADDITIONAL APPLICATION DATA Refer to Factory Installed Smoke Detectors for Small and Me dium Rooftop Units 2 to 25 Tons for discussions on additional control features of these smoke detectors including multiple unit coordination See Fig ...

Page 27: ...CONFIGURE THE DIRTY SENSOR TEST OPERATION 1 Hold the test magnet where indicated on the side of the sensor housing until the sensor s Alarm LED turns on and its Dirty LED flashes twice approximately 60 seconds A E F C D B IMPORTANT Failure to follow this ALERT can result in an unnecessary evacuation of the facility This test places the duct detector into the alarm state Unless part of the test dis...

Page 28: ... 5 Gently remove dirt and debris from around the optic plate and inside the optic housing 6 Replace the optic housing and sensor cover 7 Connect power to the duct detector then perform a sensor alarm test Indicators NORMAL STATE The smoke detector operates in the normal state in the absence of any trouble conditions and when its sensing chamber is free of smoke In the normal state the Power LED on...

Page 29: ...g CONTROLLER S TROUBLE LED IS ON 1 Check the Trouble LED on each sensor connected to the controller If a sensor s Trouble LED is on determine the cause and make the necessary repairs 2 Check the wiring between the sensor and the controller If wiring is loose or missing repair or replace as required CONTROLLER S TROUBLE LED IS FLASHING 1 One or both of the sensors is 100 dirty 2 Determine which Dir...

Page 30: ...n Start Up and Configuration Instructions manual RTU Open Control System For details on operating units equipped with the factory in stalled RTU Open controller refer to the Factory Installed RTU Open Multi Protocol Controller Control Start Up Oper ation and Troubleshooting manual ECONOMIZER SYSTEMS The unit may be equipped with a factory installed or accessory field installed economizer system Th...

Page 31: ... Fig 62 EconoMi er2 Component Locations ECONOMI ER IV CONTROLLER OUTSIDE AIR TEMPERATURE SENSOR LOW AMBIENT SENSOR ACTUATOR WIRING HARNESS OUTSIDE AIR TEMPERATURE SENSOR WIRING HARNESS ECONOMI ER2 PLUG BAROMETRIC RELIEF DAMPER OUTDOOR AIR HOOD HOOD SHIPPING BRACKET GEAR DRIVEN DAMPER ...

Page 32: ...32 Fig 63 RTU Open Overlay for Economizer Wiring ...

Page 33: ...33 Fig 64 VFD Overlay for W2770 Controller Wiring ...

Page 34: ...eld installed remote minimum position POT remove black wire jumper between P and P1 and set control minimum position POT to the minimum position Fig 65 EconoMi er IV Wiring FOR OCCUPANCY CONTROL REPLACE JUMPER WITH FIELD SUPPLIED TIME CLOCK 8 7 DCV Demand Controlled Ventilation IAQ Indoor Air Quality LA Low Ambient Lockout Device OAT Outdoor Air Temperature POT Potentiometer RAT Return Air Tempera...

Page 35: ...sed on the greater of DCV and supply air sensor signals between closed and either maximum position DCV or fully open supply air signal 4 3 5 2 8 6 7 1 10 11 9 12 PINK VIOLET BLACK BLUE YELLOW RUN RED WHITE ECONOMI ER2 PLUG DIRECT DRIVE ACTUATOR 4 20mA SIGNAL OAT SENSOR ACTULATOR CONTROL 4 20mA ACTULATOR FEEDBACK 2 10VDC TRANSFORMER GROUND ORANGE 500 OHM RESISTOR INPUTS OUTPUTS Demand Controlled Ve...

Page 36: ...Some modes of operation may require different sensors The EconoMi er IV is supplied from the factory with a supply air temperature sensor and an outdoor air temperature sensor This allows for operation of the EconoMi er IV with outdoor air dry bulb changeover control Additional accesso ries can be added to allow for different types of changeover control and operation of the EconoMi er IV and unit ...

Page 37: ...onoMi er IV Control DIFFERENTIAL ENTHALPY CONTROL For differential enthalpy control the EconoMi er IV controller uses two enthalpy sensors HH57AC078 and CRENT DIF004A00 one in the outside air and one in the return air duct The EconoMi er IV controller compares the outdoor air enthalpy to the return air enthalpy to determine EconoMi er IV use The controller selects the lower enthalpy air return or ...

Page 38: ...n The maximum demand ventilation posi tion should be turned fully clockwise Adjust the minimum position potentiometer to allow the mini mum amount of outdoor air as required by local codes to enter the building Make minimum position adjustments with at least 10 F temperature difference between the outdoor and return air temperatures To determine the minimum position setting perform the fol lowing ...

Page 39: ...ax imum ventilation rate to the building For example an output of 3 6 volts to the actuator provides a base ventilation rate of 5 and an output of 6 7 volts provides the maximum ventilation rate of 20 or base plus 15 cfm per person Use Fig 75 to determine the maximum setting of the CO2 sensor For example an 1100 ppm set point relates to a 15 cfm per person design Use the 1100 ppm curve on Fig 75 t...

Page 40: ...and AQ1 negative node The LED for both DCV and Exhaust should turn on The actuator should drive to between 90 and 95 open 4 Turn the Exhaust potentiometer CW until the Exhaust LED turns off The LED should turn off when the potenti ometer is approximately 90 The actuator should remain in position 5 Turn the DCV set point potentiometer CW until the DCV LED turns off The DCV LED should turn off when ...

Page 41: ...ay be configured with the W7220 economizer module CO2 Sensor optional The CO2 sensor can be added for Demand Controlled Ventila tion DCV SPECIFICATIONS W7220 Economizer Module The module is designed for use with 2 to 10 vdc or bus com municating actuator The module includes terminals for CO2 sensor Mixed Air sensor and an Outdoor Dry Bulb sensor En thalpy and other options are available with bus s...

Page 42: ...01 Rev G HJW10 www energy ca gov Certified FDD Product California Title 24 Part 6 Table 11 Economizer Module Left Hand Terminal Blocks LABEL TYPE DESCRIPTION Top Left Terminal Block MAT MAT 20k NTC and COM Mixed Air Temperature Sensor Polarity Insensitive Connection OAT OAT 20k NTC and COM Outdoor Air Temperature Sensor Polarity Insensitive Connection S BUS S BUS S BUS Sylk Bus Enthalpy Control Se...

Page 43: ...hrough the menus and menu items select menu items and to change parameter and configuration settings To use the keypad when working with menus Press the Up arrow button to move to the previous menu Press the Down arrow button to move to the next menu Press the Enter button to display the first item in the currently displayed menu Press the Menu Up Exit button to exit a menu s item and return to th...

Page 44: ... SETUP CHECKOUT ALARMS NOTE Some parameters in the menus use the letters MA or MAT indicating a mixed air temperature sensor location before the cooling coil This unit application has the control sensor located after the cooling coil in the fan section where it is desig nated as Cooling Supply Air Temperature or SAT sensor SETUP AND CONFIGURATION Before being placed into service the W7220 Economiz...

Page 45: ... and displays measured discharge temperature Displays _ _ _F if sensor sends invalid value if not connected short or out of range OA TEMP _ _ _ F or _ _ _ C 40 F to 140 F 40 C to 60 C OUTSIDE AIR TEMP Displays measured value of outdoor air temperature Displays _ _ _F if sensor sends invalid value short or out of range OA HUM _ _ 0 to 100 OUTSIDE AIR RELATIVE HUMIDITY Displays measured value of out...

Page 46: ...halpy curves DCV SET 1100ppm 500 to 2000 ppm increment by 100 DEMAND CONTROLLED VENTILATION Displays only if CO2 sensor is connected Set point for Demand Controlled Ventilation of space Above the set point the OA dampers will modulate open to bring in additional OA to maintain a space ppm level below the set point MIN POS 2 8 V 2 to 10 vdc VENTILATION MINIMUM POSITION Displays ONLY if a CO2 sensor...

Page 47: ...c out for second exhaust fan SYS use output as an alarm signal OCC INPUT INPUT or ALWAYS OCCUPIED MODE BY EXTERNAL SIGNAL When using a setback thermostat with occupancy out 24 vac the 24 vac is input INPUT to the OCC terminal If no occupancy output from the thermostat then change program to ALWAYS OR add a jumper from terminal R to OCC terminal FACTORY DEFAULT NO NO or YES Resets all set points to...

Page 48: ...he fully closed position CONNECT Y1 O N A N A Closes the Y1 O relay Y1 O CONNECT Y2 O N A N A Closes the Y2 O relay Y2 O CONNECT AUX1 O N A N A Energizes the AUX output If Aux 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 for ERV operation SYS 24 vac out Issues a system alarm CONNECT EXH1 N A N A Closes the power ...

Page 49: ...tion with a 2 speed indoor fan with or without DCV see Tables 21 and 22 For enthalpy operation with a 2 speed indoor fan with or without DCV see Tables 23 and 24 ALARMS cont FREEZE ALARM N A N A Check if outdoor temperature is below the LOW Temp Lockout on set point menu Check if Mixed air temperature on STATUS menu is below the Lo Set point on Advanced menu When conditions are back in normal rang...

Page 50: ...ENTILATION DCV OUTSIDE AIR GOOD TO ECONOMIZE Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED Below CO2 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 Off VENTMIN to Full...

Page 51: ...CUPIED UNOCCUPIED Below CO2 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 Off VENTMIN to Full Open Closed to Full Open Above CO2 set No Off Off High 0 v Off 0 v Off VENTM...

Page 52: ...I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED Below CO2 Set No OFF OFF LOW 0v Off 0v Off VENTMIN Closed ON OFF LOW 24v On 0v Off VENTMIN Closed ON ON HIGH 24v On 24v On VENTMIN Closed Yes OFF OFF LOW 0v Off 0v Off VENTMIN Closed ON OFF LOW 0v Off 0v Off VENTMIN to Full Open Closed to Full Open ON ON HIGH 24v On 0v Off VENTMIN to Full Open Closed to Full Open Above CO2 Set No OFF OFF LOW 0v Off 0v...

Page 53: ...he supply fan and controls the OA damper to the required posi tion see Table 25 The W heating mode is not controlled by the W7220 but it re quires the status to know where to position the OA damper for minimum position for the fan speed The 2 speed fan delay is available when the system is pro grammed for 2 speed fan in the System Setup menu item The 2 speed fan delay is defaulted to 5 minutes and...

Page 54: ...the item RUN appears 3 Press the Enter button to start the test The unit pauses and then displays IN PROGRESS When the test is complete DONE appears 4 When all desired parameters have been tested press the Menu Up button to end the test The Checkout tests can all be performed at the time of installa tion or at any time during the operation of the system as a test that the system is operable TROUBL...

Page 55: ...o be additional installation steps or inspection required during the start up process Additional Installation Inspection Inspect the field installed accessories for proper installation making note of which ones do or do not require configuration changes Inspect the RTU OPEN s Alarms for initial insight to any potential issues Refer to the Controls Start up Operation and Troubleshooting Instruction...

Page 56: ...system selector switch to the OFF position Resetting thermostat at a position below room temperature temporarily shuts unit off until space temperature falls below thermostat setting Ventilation Continuous Fan Set fan and system selector switches at ON and OFF positions respectively Evaporator fan operates continuously to provide constant air circulation When the evaporator fan selector switch is ...

Page 57: ...nit start up LOCATION TORQUE VALUE Supply fan motor mounting 120 in lb 13 6 Nm 12 in lb 1 4Nm Supply fan motor adjustment plate 120 in lb 13 6 Nm 12 in lb 1 4Nm Motor pulley setscrew 72 in lb 8 1 Nm 5 in lb 0 6 Nm Fan pulley setscrew 72 in lb 8 1 Nm 5 in lb 0 6 Nm Blower wheel hub setscrew 72 in lb 8 1 Nm 5 in lb 0 6 Nm Bearing locking collar setscrew 50 in lb 6 2 Nm 60 in lb 6 8 Nm Compressor mou...

Page 58: ... Baro Relief E CO Sensor F RA Smoke Detector CO Base Unit Controls G SA Smoke Detector CO 0 Base Electromechanical Controls Can be used with H RA SA Smoke Detector CO W7212 EconoMi er IV Non Fault Detection and Diagnostic Indoor Fan Options 3 4 5 Ton Models Only 1 PremierLink Controller 0 Electric Direct Drive X13 motor 2 RTU Open Multi Protocol Controller 2 Medium Static Option Belt Drive 6 Elect...

Page 59: ...10 10 x 10 10 x 10 MEDIUM STATIC 1 PHASE Motor Qty Drive Type 1 Belt 1 Belt 1 Belt Max BHP 1 2 1 2 1 5 RPM Range 770 1175 770 1175 1035 1466 Motor Frame Size 48 48 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter in 10 x 10 10 x 10 10 x 10 STANDARD STATIC 3 PHASE Motor Qty Drive Type 1 Direct 1 Belt 1 Direct 1 Belt 1 Direct 1 Belt Max BHP 1 1 7 1 1 7 1 1 7 RPM Range 600 1200 ...

Page 60: ...r in 22 22 22 22 22 22 Filters RA Filter qty Size in 2 16 x 25 x 2 2 16 x 25 x 2 4 16 x 16 x 2 4 16 x 16 x 2 4 16 x 16 x 2 4 16 x 16 x 2 OA inlet screen qty Size in 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 1 20 x 24 x 1 Table A PHYSICAL DATA Cooling 3 5 Tons cont 50HC A04 50HC B04 50HC A05 50HC B05 50HC A06 50HC B06 APPENDIX B PHYSICAL DATA ...

Page 61: ...7 489 747 Motor Frame Size 56 56 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter in 15 x 15 15 x 15 15 x 15 15 x 15 MEDIUM STATIC 3 PHASE Motor Qty Drive Type 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 2 9 2 9 2 9 2 9 RPM Range 733 949 733 949 733 949 733 949 Motor Frame Size 56 56 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diame...

Page 62: ...3 518 733 518 733 Motor Frame Size 56 56 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter in 15 x 15 15 x 15 15 x 15 15 x 15 MEDIUM STATIC 3 PHASE Motor Qty Drive Type 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 2 4 2 4 2 4 2 4 RPM Range 690 936 690 936 690 936 690 936 Motor Frame Size 56 56 56 56 Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal F...

Page 63: ... Diameter in 15 x 15 15 x 15 15 x 15 15 x 15 18 x 18 18 x 18 MEDIUM STATIC 3 PHASE Motor Qty Drive Type 1 Belt 1 Belt 1 Belt 1 Belt 1 Belt 1 Belt Max BHP 3 7 3 7 3 7 3 7 3 7 3 7 RPM Range 838 1084 838 1084 838 1084 838 1084 609 778 609 778 Motor Frame Size 56HZ 56HZ 56HZ 56HZ 56HZ 56HZ Fan Qty Type 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal 1 Centrifugal Fan Diameter in ...

Page 64: ...5 1050 1108 0 84 1180 1 01 1247 1 19 1125 1123 0 88 1195 1 05 1200 1140 0 92 1210 1 10 1275 1157 0 97 1226 1 15 1350 1174 1 02 1243 1 20 1425 1192 1 08 1500 1210 1 14 Standard static 560 854 RPM 1 2 BHP max Medium static 770 1175 RPM 1 2 BHP max Table F 50HC Size 04 Single Phase Humidi MiZer 3 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM ...

Page 65: ...45 1386 1 65 1444 1 86 1500 1210 1 14 1278 1 33 1342 1 52 1403 1 72 1461 1 93 Standard static 560 854 RPM 1 7 BHP max Medium static 770 1175 RPM 1 7 BHP max High static 1035 1466 RPM 2 4 BHP max Table H 50HC Size 04 3 Phase Humidi MiZer 3 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 900 594 0 15 740 0 25 867 0 37 981 0...

Page 66: ... 20 1308 1 39 1370 1 59 1429 1 80 1425 1192 1 08 1260 1 26 1325 1 45 1386 1 65 1444 1 86 1500 1210 1 14 1278 1 33 1342 1 52 1403 1 72 1461 1 93 Medium static 770 1175 RPM 1 7 BHP max High static 1035 1466 RPM 2 4 BHP max Table J 50HC Size 04 3 Phase Non Humidi MiZer 3 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 900 59...

Page 67: ... 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1200 1140 0 92 1210 1 10 1300 1162 0 99 1232 1 16 1400 1186 1 06 1500 1210 1 14 1600 1700 1800 1900 2000 Standard static 560 854 RPM 1 2 BHP max Medium static 770 1175 RPM 1 2 BHP max Table L 50HC Size 05 Single Phase Humidi MiZer 4 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM...

Page 68: ...0 1 75 1441 1 96 1498 2 18 2000 1345 1 68 1408 1 88 1467 2 10 1524 2 32 Standard static 560 854 RPM 1 7 BHP max Medium static 770 1175 RPM 1 7 BHP max High static 1208 1550 RPM 2 9 BHP max Table N 50HC Size 05 3 Phase Humidi MiZer 4 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1200 695 0 25 818 0 37 930 0 51 1032 0 66 ...

Page 69: ...449 1 93 1505 2 15 1800 1289 1 44 1354 1 63 1415 1 84 1473 2 05 1529 2 27 1900 1317 1 55 1380 1 75 1441 1 96 1498 2 18 2000 1345 1 68 1408 1 88 1467 2 10 1524 2 32 Medium static 920 1303 RPM 1 7 BHP max High static 1208 1550 RPM 2 9 BHP max Table P 50HC Size 05 3 Phase Non Humidi MiZer 4 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RP...

Page 70: ...06 1239 1 23 1302 1 40 1625 1201 1 16 1267 1 34 1329 1 52 1750 1231 1 28 1296 1 46 1875 1262 1 41 2000 2125 2250 2375 2500 Standard static 770 1175 RPM 1 2 BHP max Medium static 1035 1466 RPM 1 5 BHP max Table R 50HC Size 06 Single Phase Humidi MiZer 5 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1500 794 0 41 902 0 55...

Page 71: ...2 51 2375 1393 2 05 1453 2 27 1511 2 49 2500 1427 2 24 1487 2 47 1543 2 70 Standard static 770 1175 RPM 1 7 BHP max Medium static 1035 1466 RPM 2 4 BHP max High static 1303 1550 RPM 2 9 BHP max Table T 50HC Size 06 3 Phase Humidi MiZer 5 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1500 794 0 41 902 0 55 993 0 69 1074 ...

Page 72: ...28 2 36 2125 1326 1 70 1388 1 90 1447 2 11 1504 2 33 2250 1359 1 87 1420 2 08 1479 2 29 1534 2 51 2375 1393 2 05 1453 2 27 1511 2 49 2500 1427 2 24 1487 2 47 1543 2 70 Medium static 1035 1466 RPM 2 4 BHP max High static 1303 1550 RPM 2 9 BHP max Table V 50HC Size 06 3 Phase Non Humidi MiZer 5 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM B...

Page 73: ... 2 24 921 2 56 966 2 89 1008 3 22 1049 3 56 Standard static 489 747 RPM 1 7 BHP max Medium static 733 949 RPM 2 9 BHP max High static 909 1102 RPM 4 7 BHP max Table X 50HC Size 07 3 Phase Non Humidi MiZer 6 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1800 446 0 33 534 0 50 609 0 70 676 0 91 736 1 14 1950 467 0 39 552 ...

Page 74: ...44 1054 2 66 3750 885 1 99 932 2 20 978 2 42 1022 2 64 1065 2 86 Standard static 518 733 RPM 1 7 BHP max Medium static 690 936 RPM 2 4 BHP max High static 838 1084 RPM 3 7 BHP max Table Z 50HC Size 08 3 Phase Non Humidi MiZer 7 5 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2250 482 0 36 577 0 51 659 0 66 732 0 82 799 ...

Page 75: ...1 2 29 956 2 51 1000 2 74 1042 2 97 1083 3 20 4250 930 2 51 973 2 74 1015 2 97 1057 3 21 1097 3 45 Standard static 518 733 RPM 1 7 BHP max Medium static 690 936 RPM 2 4 BHP max High static 838 1084 RPM 3 7 BHP max Table AB 50HC Size 09 3 Phase Non Humidi MiZer 8 5 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2550 495 0...

Page 76: ...5 3 49 1044 3 74 1082 4 01 1119 4 27 1156 4 55 Standard static 591 838 RPM 2 4 BHP max Medium static 838 1084 RPM 3 7 BHP max High static 1022 1240 RPM 4 9 BHP max Table AD 50HC Size 11 3 Phase Non Humidi MiZer 10 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3000 556 0 65 623 0 80 684 0 95 738 1 11 789 1 26 3250 590 0 ...

Page 77: ...5 3 49 1044 3 74 1082 4 01 1119 4 27 1156 4 55 Standard static 591 838 RPM 2 4 BHP max Medium static 838 1084 RPM 3 7 BHP max High static 1022 1240 RPM 4 9 BHP max Table AF 50HC Size 12 3 Phase Non Humidi MiZer 10 Ton Vertical Supply CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 0 2 0 4 0 6 0 8 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3000 556 0 65 623 0 80 684 0 95 738 1 11 789 1 26 3250 590 0 ...

Page 78: ...03 2 13 649 2 45 694 2 78 737 3 14 6250 578 2 09 625 2 41 669 2 74 711 3 09 753 3 45 CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3438 713 1 89 766 2 25 816 2 64 863 3 04 907 3 46 3750 717 2 02 770 2 39 820 2 79 867 3 20 911 3 63 4063 722 2 17 774 2 55 824 2 95 870 3 37 914 3 81 4375 728 2 33 779 2 72 828 3 13 874 3 56 918 4 00 4688 736 2...

Page 79: ... 728 2 74 5938 557 1 71 605 2 01 655 2 34 701 2 67 744 3 02 6250 581 1 97 626 2 26 673 2 61 718 2 96 760 3 32 CFM AVAILABLE EXTERNAL STATIC PRESSURE IN WG 1 2 1 4 1 6 1 8 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3438 729 1 88 783 2 25 833 2 62 879 2 99 921 3 37 3750 731 2 00 787 2 39 838 2 78 885 3 18 929 3 59 4063 733 2 13 789 2 52 841 2 94 890 3 36 935 3 79 4375 736 2 27 791 2 67 843 3 10 892...

Page 80: ...1425 0 39 0 39 1500 0 27 0 37 5 900 1 35 0 52 975 1 30 0 54 1050 1 26 0 57 1125 1 21 0 59 1200 1 16 0 62 1275 1 12 0 64 1350 1 07 0 67 1425 1 02 0 70 1500 0 97 0 73 SPEED TORQUE TAP CFM ESP BHP 1 900 0 36 0 16 975 0 27 0 16 1050 0 18 0 15 1125 0 10 0 15 1200 0 04 0 16 1275 1350 1425 1500 2 900 0 51 0 21 975 0 40 0 20 1050 0 30 0 19 1125 0 21 0 18 1200 0 11 0 17 1275 0 02 0 16 1350 1425 1500 3 900 ...

Page 81: ...56 0 66 2000 0 41 0 63 5 1200 1 25 0 61 1300 1 20 0 65 1400 1 11 0 68 1500 1 03 0 68 1600 1 05 0 76 1700 1 01 0 76 1800 0 96 0 84 1900 0 91 0 89 2000 0 87 0 93 SPEED TORQUE TAP CFM ESP BHP 1 1200 0 57 0 31 1300 0 44 0 29 1400 0 30 0 27 1500 0 16 0 25 1600 0 03 0 25 1700 1800 1900 2000 2 1200 0 68 0 35 1300 0 54 0 33 1400 0 40 0 31 1500 0 24 0 28 1600 0 10 0 26 1700 1800 1900 2000 3 1200 1 15 0 54 ...

Page 82: ...03 0 99 2000 0 83 0 96 2125 0 63 0 93 2250 0 42 0 89 2375 0 22 0 84 2500 0 05 0 78 5 1500 1 52 0 97 1625 1 42 1 01 1750 1 20 1 05 1875 1 03 1 09 2000 1 00 1 09 2125 0 82 1 06 2250 0 62 1 02 2375 0 40 0 98 2500 0 16 0 93 SPEED TORQUE TAP CFM ESP BHP 1 1500 0 50 0 44 1625 0 32 0 42 1750 0 14 0 39 1875 2000 2125 2250 2375 2500 2 1500 0 72 0 56 1625 0 53 0 53 1750 0 34 0 50 1875 0 18 0 48 2000 2125 22...

Page 83: ...19 589 560 Medium Static 1175 1135 1094 1054 1013 973 932 892 851 811 770 Medium Static 1303 1265 1226 1188 1150 1112 1073 1035 997 958 920 High Static 1550 1516 1482 1447 1413 1379 1345 1311 1276 1242 1208 06 3 PHASE Standard Static 1175 1135 1094 1054 1013 973 932 892 851 811 770 Medium Static 1466 1423 1380 1337 1294 1251 1207 1164 1121 1078 1035 High Static 1550 1525 1501 1476 1451 1427 1402 1...

Page 84: ...501323 R page 89 48TM501324 Q page 99 48TM503246 M page 107 48TM503247 E page 116 575 3 60 48TM503248 G page 117 D11 208 230 3 60 48TM504180 K page 90 48TM504183 H page 100 48TM504728 E page 108 48TM504183 H page 118 460 3 60 575 3 60 48TM504551 D page 101 48TM504551 D page 119 D12 208 230 3 60 460 3 60 575 3 60 48TM501247 S page 91 48TM501248 O page 102 48TM503249 M page 109 48TM503250 F page 120...

Page 85: ...85 Fig B 50HC A04 A06 PAC Control Diagram 208 1 60 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 86: ...86 Fig C 50HC A07 PAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 87: ...87 Fig D 50HC D07 PAC Control Diagram 208 230 3 60 460 575 3 60 6 Ton 2 Stage Cooling APPENDIX D WIRING DIAGRAMS ...

Page 88: ...88 Fig E 50HC D07 PAC Control Diagram 208 230 3 60 460 575 3 60 6 Ton 2 Stage with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 89: ...89 Fig F 50HC D08 D09 PAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 90: ...90 Fig G 50HC D11 PAC Control Diagram 208 230 3 60 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 91: ...91 Fig H 50HC D12 PAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 92: ...92 Fig I 50HC D14 PAC Control Diagram 208 230 3 60 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 93: ...93 Fig J 50HC A04 A06 PAC Power Diagram 208 230 1 60 APPENDIX D WIRING DIAGRAMS ...

Page 94: ...94 Fig K 50HC A04 A06 PAC Power Diagram 208 230 3 60 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 95: ...95 Fig L 50HC A07 PAC Power Diagram 208 230 3 60 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 96: ...96 Fig M 50HC D07 PAC Power Diagram 208 230 3 60 460 3 60 6 Ton 2 Stage with Cooling APPENDIX D WIRING DIAGRAMS ...

Page 97: ...97 Fig N 50HC D07 PAC Power Diagram 208 230 3 60 460 3 60 6 Ton 2 Stage with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 98: ...98 Fig O 50HC D07 PAC Power Diagram 575 3 60 6 Ton 2 Stage with Dehumidification APPENDIX D WIRING DIAGRAMS ...

Page 99: ...99 Fig P 50HC D08 D09 PAC Power Diagram 208 230 3 60 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 100: ...100 Fig Q 50HC D11 PAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 101: ...101 Fig R 50HC D11 PAC Power Diagram 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 102: ...102 Fig S 50HC D12 PAC Power Diagram 208 230 3 60 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 103: ...103 Fig T 50HC D14 PAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 104: ...104 Fig U 50HC D14 PAC Power Diagram 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...

Page 105: ...105 Fig V 50HC A04 A06 PAC Control Diagram 230 1 60 230 460 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 106: ...106 Fig W 50HC A07 PAC Control Diagram 208 230 1 60 230 460 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 107: ...107 Fig X 50HC D08 D09 PAC Control Diagram 208 230 3 60 460 3 60 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 108: ...108 Fig Y 50HC D11 PAC Control Diagram 208 230 1 60 230 460 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 109: ...109 Fig Z 50HC D12 PAC Control Diagram 230 460 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 110: ...110 Fig AA 50HC D14 PAC Control Diagram 230 460 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 111: ...111 Fig AB 50HC A04 A06 PAC Power Diagram 208 230 1 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 112: ...112 Fig AC 50HC A04 A06 PAC Power Diagram 208 230 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 113: ...113 Fig AD 50HC A04 A06 PAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 114: ...114 Fig AE 50HC A07 PAC Power Diagram 208 230 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 115: ...115 Fig AF 50HC A07 PAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 116: ...116 Fig AG 50HC D08 D09 PAC Power Diagram 208 230 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 117: ...117 Fig AH 50HC D08 D09 PAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 118: ...118 Fig AI 50HC D11 PAC Power Diagram 208 230 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 119: ...119 Fig AJ 50HC D11 PAC Power Diagram 460 3 60 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 120: ...120 Fig AK 50HC D12 PAC Power Diagram 208 230 3 60 460 3 60 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 121: ...121 Fig AL 50HC D14 PAC Power Diagram 208 230 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 122: ...122 Fig AM 50HC D14 PAC Power Diagram 460 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 123: ...123 Fig AN 50HC D14 PAC Power Diagram 575 3 60 with Humidi MiZer System APPENDIX D WIRING DIAGRAMS ...

Page 124: ...124 Fig AO PremierLink System A04 A06 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...

Page 125: ...125 Fig AP RTU Open System Control A04 A06 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...

Page 126: ...126 Fig AQ PremierLink System A07 D14 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...

Page 127: ...127 Fig AR RTU Open A07 D14 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...

Page 128: ...128 Fig AS 50HC A04 Outdoor Circuiting Fig AT 50HC A05 06 Outdoor Circuiting Fig AU 50HC A07 and 50HC D07 Outdoor Circuiting Fig AV 50HC A08 Outdoor Circuiting APPENDIX E MOTORMASTER SENSOR LOCATIONS ...

Page 129: ...t B Fig AY 50HC D08 Motormaster Sensor Location Novation Coils MCHX Fig AZ 50HC D12 Motormaster Sensor Location Novation Coils MCHX CIRCUIT A CIRCUIT B SENSOR LOCATION SENSOR LOCATION TIE WRAP SENSOR LOCATION 9 0 C12492 TIE WRAP SENSOR LOCATION 11 0 C12493 APPENDIX E MOTORMASTER SENSOR LOCATIONS ...

Page 130: ...ections 22 Installation 22 Location 21 Model number 22 Single point boxes 22 Enthalpy 37 40 53 54 Evaporator coil 13 F Filters 3 18 55 Installation 4 H Heating 56 I Indoor air quality 38 M Maintenance Air conditioning 3 Air filters and screens 3 Condenser coil 12 Convenience outlet 21 Economizer 3 Electric heat 3 Routine 3 Motor replacement 9 Motormaster sensors 129 P Protective devices 29 30 R Re...

Page 131: ..._____ Check fan wheels and propeller for location in housing orifice and verify setscrew is tight Y N _____ Verify that fan sheaves are aligned and belts are properly tensioned Y N _____ Verify that scroll compressors are rotating in the correct direction Y N _____ Verify installation of thermostat Y N _____ III START UP ELECTRICAL Supply Voltage L1 L2_____________ L2 L3_____________ L3 L1________...

Page 132: ...at coil _______________ F E Confirm correct rotation for compressor Y N _____ F Check for correct ramp up of outdoor fan motor as condenser coil warms Y N _____ 4 Check unit charge per charging chart Y N _____ Jumper 32L Motormaster temperature sensor during this check Remove jumper when complete 5 Switch unit to high latent mode sub cooler by closing humidistat with Y1 closed Y N _____ OBSERVE A ...

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