Johnson Controls GHGD Series Installation Manual Download Page 16 | Manualshive

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Johnson Controls GHGD Series Installation Manual Download Page 16

Subject to change without notice. Published in U.S.A.

835961-UIM-A-0112

Copyright

©

2012 by Johnson Controls, Inc. All rights reserved.

Supersedes: 550377-UIM-D-1211

Johnson Controls Unitary Products

5005 York Drive

Norman, OK 73069

FIGURE 17:

Wiring Diagram - Three Phase (Time-Temp)

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Summary of Contents for GHGD Series

Page 1: ...ay need to be changed for some indoor out door unit combinations elevation differences or total line lengths Refer to Application Data covering General Piping Recommendations and Refrigerant Line Leng...

Page 2: ...rformed in order to insure proper system operation and performance Line set change out is also recommended 1 Change out of the indoor coil to an approved R 410A coil con densing unit combination with...

Page 3: ...necessary If soft copper must be used care must be taken to avoid sharp bends which may cause a restriction 2 The lines should be installed so that they will not obstruct service access to the coil a...

Page 4: ...igerant piping connections including the service port flare caps to be sure they are leak tight DO NOT OVER TIGHTEN between 40 and 60 inch lbs maximum 9 Evacuate the vapor line evaporator and the liqu...

Page 5: ...or line as follows a Hand tighten the 1 4 SAE nut to the Schrader fitting and an additional 1 3 turn to seal 7 Install the TXV bulb to the vapor line near the equalizer line using the bulb clamp s fur...

Page 6: ...ic charging charts are provided on the access panel of the unit SECTION VIII ELECTRICAL CONNECTIONS GENERAL INFORMATION GROUNDING Check the electrical supply to be sure that it meets the values specif...

Page 7: ...ate Contactor Dual Run Fan Capacitor Fan Relay Defrost Control Board Ground Lug Fingered Bushing Low Voltage Box Reversible High Voltage Conduit Plate Contactor Fan Capacitor To eliminate erratic oper...

Page 8: ...CASE HEATER If this unit is equipped with a crankcase heater for the compressor a warning label with an adhesive back is supplied in the unit installation instruction packet This label should be attac...

Page 9: ...8 164 73 211 88 266 103 331 118 407 59 167 74 214 89 270 104 336 119 412 FIGURE 10 Heat Pump Flow Diagram CHARGE COMPENSATOR Empty in cooling full in heating Not included in all Units FIELD CONNECTED...

Page 10: ...the first stage of heat is turned on through W1 66 to continue warming the conditioned space The defrost cycle will be terminated when the defrost thermostat is opened at 55 F or 10 minutes of compre...

Page 11: ...e bypassed and the compressor and the W1 66 terminal to auxiliary heat will be energized When the TEST inputs are used to force a defrost cycle the control will ignore the state of the liquid line tem...

Page 12: ...e energize the compres sor and energize the X L output with the appropriate flash code The control will reset the soft lockout condition when any of the follow ing occur following removal of the fault...

Page 13: ...835961 UIM A 0112 Johnson Controls Unitary Products 13 SECTION VII WIRING DIAGRAM FIGURE 14 Wiring Diagram Single Phase Demand Defrost...

Page 14: ...835961 UIM A 0112 14 Johnson Controls Unitary Products FIGURE 15 Wiring Diagram Single Phase Time Temp...

Page 15: ...835961 UIM A 0112 Johnson Controls Unitary Products 15 FIGURE 16 Wiring Diagram Three Phase Demand Defrost 407154...

Page 16: ...blished in U S A 835961 UIM A 0112 Copyright 2012 by Johnson Controls Inc All rights reserved Supersedes 550377 UIM D 1211 Johnson Controls Unitary Products 5005 York Drive Norman OK 73069 FIGURE 17 W...

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