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548086-XIM-C-0814

Johnson Controls Unitary Products

11

 FIGURE 13:  

Thermostat Chart - Single Stage AC with PSC Air Handler

F*RP

*PP32U70124

SINGLE STAGE

AIR CONDITIONER

Single Stage Air Conditioner - PSC Air Handler

10160 Air Handler Control

Y

Compressor Contactor

Y

Compressor Contactor

R

24 - Volt Hot
(Heat XFMR)

R

24 - Volt Hot
(Heat XFMR)

E/W1

Emergency Heat

E/W1

Emergency Heat

AUX

Auxiliary Heat

R

24 - Volt Hot
(Cool XFMR)

Y2

Second Stage

Compressor

Connection of the “C”

terminal, 24-Volt common
is optional when used with

batteries

Thermostat Installer Setup

0170-System Type-must
be set to 1-1 Heat/1 Cool

Conventional

Refer to AH documentation

for W1 and W2 electric

heat staging options.

( ) Convenience Terminal

No function in this

application

A0162-001

A0162-001

SINGLE STAGE

AIR

CONDITIONER

C

24 - Volt Common

C

24 - Volt Common

Y

Second or Full

Stage Compressor

G

Fan

R

24-Volt Hot

W2

Second Stage Heat

W2

Second Stage Heat

W1

First Stage Heat

W1

First Stage Heat

(O)

Reversing Valve

Energized in Cool

C

24 - Volt Common

Y1

First Stage

Compressor

G

Fan

24VAC Humidifier

Relay

(Optional)

External Humidistat

(Optional)

Open on Humidity Rise

Summary of Contents for GCGA SERIES

Page 1: ...ndoor out door unit combinations elevation differences or total line lengths Refer to Application Data covering General Piping Recommendations and Refrigerant Line Length Part Number 247077 SECTION II...

Page 2: ...ion must be observed to ensure a system that will give maximum performance with minimum service 4 The unit should not be operated at outdoor temperatures below 50 F without an approved low ambient ope...

Page 3: ...for approved system combinations as specified in tabular data sheet The initial charge given is applicable for total tubing lengths up to 15 feet 4 6 m See Application Data Part Number 247077 for inst...

Page 4: ...one quarter turn counterclockwise to open Do not overturn or the valve stem may break or become damaged See PRECAU TIONS DURING BRAZING SERVICE VALVE 8 Replace the Schrader core in the liquid and vap...

Page 5: ...s as a reservoir c Bulb should be insulated using thermal insulation provided to protect it from the effect of the surrounding ambient tempera ture Cover completely to insulate from air stream SECTION...

Page 6: ...r than the rec ommended value Remove recover charge if the measured liquid pressure is above the recommended value Condenser subcooling is obtained by calculating the difference of the saturated refri...

Page 7: ...75 49 90 57 105 65 120 72 135 79 150 85 165 90 76 49 91 58 106 66 121 73 136 79 151 85 166 91 77 50 92 58 107 66 122 73 137 80 152 86 167 91 78 50 93 59 108 67 123 74 138 80 153 86 168 91 79 51 94 60...

Page 8: ...lace it on an out side wall or where it is exposed to the radiant effect from exposed glass or appliances drafts from outside doors or supply air grilles 6 Route the 24 volt control wiring NEC Class 2...

Page 9: ...WER WIRING CONTACTOR TERMINALS COIL GND LUG C Y R G W Y R G W POWER WIRING CONTROL WIRING FACTORY WIRING 24 VOLT CONTROL WIRING MINIMUM 18 GA WIRE NEC CLASS 2 FURNACE OR AIR HANDLER TERMINAL BLOCK ROO...

Page 10: ...actor R 24 Volt Hot Heat XFMR R 24 Volt Hot Heat XFMR E W1 Emergency Heat E W1 Emergency Heat AUX Auxiliary Heat R 24 Volt Hot Cool XFMR Y2 Second Stage Compressor Connection of the C terminal 24 Volt...

Page 11: ...terminal 24 Volt common is optional when used with batteries Thermostat Installer Setup 0170 System Type must be set to 1 1 Heat 1 Cool Conventional Refer to AH documentation for W1 and W2 electric he...

Page 12: ...ct the owner on proper operation and maintenance of all other system components MAINTENANCE 1 Dirt should not be allowed to accumulate on the outdoor coils or other parts in the air circuit Clean as o...

Page 13: ...TORS MAY BE USED ON ACTUAL UNIT WIRING MUST CONFORM TO NATIONAL AND LOCAL CODES IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC O...

Page 14: ...2 T1 24 VAC CTRL CIRCUIT 20VA MIN BLU BLU RED BLK BRN RED BLK GND LUG GND CONTACTOR OPTIONAL LOW VOLTAGE WIRING 2 3 FIELD WIRING CTRL CIRCUIT BLK YEL PNK YEL PNK HPS COLOR CODE BLK BLACK BLU BLUE BRN...

Page 15: ...LL BE REMOVED IF LOW AMBIENT KIT IS INSTALLED YELLOW WIRE WILL BE REMOVED IF PRESSURE SWITCH KIT IS INSTALLED IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED W...

Page 16: ...548086 XIM C 0814 16 Johnson Controls Unitary Products NOTES...

Page 17: ...f applicable Electrical Line Voltage Outdoor Unit Model Outdoor Unit Serial Filter Thermostat Accessories Filter Location s Connections Per Installation Instructions and Local Codes Gas piping is conn...

Page 18: ...th the owner s manual Explain thermostat use and programming if applicable to owner Cycle Test Operate the unit through several heating cycles if applicable from the thermostat noting and correcting a...

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