Johnson Controls GCGD12 Technical Manual Download Page 5

400038-UTG-B-0708

Johnson Controls Unitary Products

5

— = Not applicable.

COOLING CAPACITY - With Air Handler Coils

UNIT

MODEL

AIR HANDLER

COIL

MODEL

1

COOLING

MODEL

W

RATED

CFM

NET MBH

SEER

EER

TOTAL

SENS.

13 SEER AC WITH MA

GCGD18S21S2

MA08B 17 

FC/MC18B 

600 

18.0 

12.6 

13.00 

11.00 

MA08B 17 

FC/MC24B 

600 

18.0 

12.6 

13.00 

11.00 

GCGD24S21S2

MA08B 17 

FC/MC35B 

800 

24.0 

17.2 

13.00 

11.00 

MA08B 17 

FC/MC36B 

800 

24.0 

17.2 

13.00 

11.00 

MA08B 17 

FC/MC43B 

800 

24.0 

17.2 

13.00 

11.00 

GCGD30S21S2

MA12B 17 

FC/MC35B 

1000 

29.0 

21.2 

13.00 

11.00 

MA12B 17 

FC/MC43B 

1000 

29.0 

21.2 

13.00 

11.00 

GCGD36S21S2

MA12B 17 

FC/MC43B 

1200 

35.0 

24.4 

13.00 

11.00 

MA14D 24 

FC/MC48D 

1200 

35.0 

24.4 

13.00 

11.00 

GCGD42S21S2

MA16C 21 

FC/MC43C 

1400 

42.0 

29.4 

13.00 

11.00 

MA14D 24 

FC/MC48D 

1400 

42.0 

29.4 

13.00 

11.00 

MA16C 21 

FC/MC48C 

1400 

42.0 

29.4 

13.00 

11.00 

GCGD48S21S2

MA16C 21 

FC/MC48C 

1600 

46.0 

32.6 

13.00 

11.00 

MA20D 24 

FC/MC48D 

1600 

46.0 

32.6 

13.00 

11.00 

GCGD60S21S2

MA20D 24 

FC/MC62D 

1800 

54.0 

41.5 

13.00 

11.00 

13 SEER AC WITH AHP / SHP / F*FP

GCGD12S21S2

AHP18 17 

 

450 12.0  8.9 13.00 

11.00 

GCGD18S21S2

AHP18 17 

 

650 18.0 12.6 13.00 

11.00 

AHP24 17 

 

650 18.0 12.6 13.00 

11.00 

F4FP024

18

 

600

18.0

12.6

1300

11.00

GCGD24S21S2

AHP30 17 

 

795 24.0 17.3 13.00 

11.00 

F4FP036

21.5

 

860

24.0

17.3

13.00

11.00

GCGD30S21S2

AHP30 17 

 

1015 29.0  21.2 13.00 11.00 

AHP36 21 

 

1015 29.0  21.2 13.00 11.00 

F4FP040

21.5

 

1000

29.0

21.2

13.00

11.00

GCGD36S21S2

AHP36 21 

 

1235 35.0  24.4 13.00 11.00 

F5FP048

24

 

1235

35.0

24.4

13.00

11.00

GCGD42S21S2

AHP42 21 

 

1485 42.0  29.4 13.00 11.00 

F5FP048

24

 

1455

42.0

29.4

13.00

11.00

GCGD48S21S2

AHP/SHP60 24 

 

1600 46.0  33.0 13.00 11.00 

F5FP048

24

 

1690

46.0

33.0

13.00

11.00

F5FP060

24

 

1680

46.0

33.0

13.00

11.00

Rated in accordance with DOE test procedures (Federal Register 12-27-79 and 3-18-88) and ARI Standards 210. 
Cooling MBH based on 8

0

°F entering air temperature, 50% RH, and rated air flow.

EER (Energy Efficiency Ratio) is the total cooling output in BTU’s at 95°F outdoor ambient divided by the total electric power in watt-hours at those conditions.
SEER (Seasonal Energy Efficiency Ratio) is the total cooling output in BTU’s during a normal annual usage period for cooling divided by the total electric power 
input in watt-hours during the same period.

1. MC coils available with a factory installed horizontal drain pan. See price pages for specific model number.

Summary of Contents for GCGD12

Page 1: ...ns occur A liquid line filter drier further protects the compressor DURABLE FINISH The cabinet is made of pre painted steel The pre treated galvanized steel provides a better paint to steel bond which resists corrosion and rust creep Special primer formulas and matted textured finish insure less fading when exposed to sunlight LOWER INSTALLED COST Installation time and costs are reduced by easy po...

Page 2: ...50 1950 2400 3000 3000 3300 Coil Face Area Sq Ft 8 1 9 7 9 7 11 3 12 1 16 5 16 5 19 75 Rows Deep 1 1 1 1 1 1 1 1 Fin Inches 23 23 23 23 23 23 23 23 Liquid Line Set OD Field Installed 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 Vapor Line Set OD Field Installed 5 8 5 8 3 4 3 4 3 4 7 8 7 8 1 1 8 Unit Charge Lbs Oz 4 3 2 3 0 3 13 3 7 3 15 4 2 4 5 5 4 Charge Per Foot Oz 0 66 0 66 0 68 0 68 0 68 0 70 0 70 0 76 Ope...

Page 3: ... 0 FC MC PC UC36B2A 0 FC MC PC UC36C2A 0 FC MC PC37A2A 7 12 4 FC MC PC43B2C 0 FC MC PC43C2C 0 FC MC PC UC48C2C 5 2 FC MC PC UC48D2C 5 2 FC MC62D2C 0 HC18A2A 0 0 HC30A2A 0 HC36B2A 3 4 HC42C2C 12 4 0 AHP18B2A 0 0 AHP24B2A 0 AHP30B2A 3 4 AHP36C2A 12 4 AHP42C2C 0 AHP SHP60D2C 0 FC MC PC UC18A3X 41 0 52 0 FC MC PC UC18B3X 41 0 52 0 FC MC PC UC24A3X 52 2 FC MC PC UC24B3X 52 2 FC MC PC32A3X 61 3 65 4 FC ...

Page 4: ...pproved orifice shipped with outdoor unit 3 Systems matched with furnace or air handlers not equipped with blower off delays may require blower Time Delay Kit 2FD06700224 4 PC coils cannot be used in downflow or horizontal applications FC coils cannot be used in horizontal applications Additional R 22 Charge Orifice Size for Various Matched Systems Continued Outdoor Unit GCGD12 S21S2 GCGD18 S21S2 ...

Page 5: ...18 17 650 18 0 12 6 13 00 11 00 AHP24 17 650 18 0 12 6 13 00 11 00 F4FP024 18 600 18 0 12 6 1300 11 00 GCGD24S21S2 AHP30 17 795 24 0 17 3 13 00 11 00 F4FP036 21 5 860 24 0 17 3 13 00 11 00 GCGD30S21S2 AHP30 17 1015 29 0 21 2 13 00 11 00 AHP36 21 1015 29 0 21 2 13 00 11 00 F4FP040 21 5 1000 29 0 21 2 13 00 11 00 GCGD36S21S2 AHP36 21 1235 35 0 24 4 13 00 11 00 F5FP048 24 1235 35 0 24 4 13 00 11 00 G...

Page 6: ...00 24 0 17 2 13 00 11 00 600 1000 14 17 21 UC36 800 24 0 17 2 13 00 11 00 GCGD30S21S2 800 1200 14 FC MC PC32 1000 29 0 21 2 13 00 11 00 800 1200 17 21 FC MC PC35 1000 29 0 21 2 13 00 11 00 800 1200 14 FC MC PC37 1000 29 0 21 2 13 00 11 00 800 1200 17 21 FC MC PC43 1000 29 0 21 2 13 00 11 00 800 1200 17 HC36 1000 29 0 21 2 13 00 11 00 800 1200 21 HC42 1000 29 0 21 2 13 00 11 00 GCGD36S21S2 1000 140...

Page 7: ... 10 95 OD Temp 40 68 6 17 53 1 07 15 03 1 29 11 98 1 57 45 76 1 18 63 1 07 17 25 1 30 14 07 1 59 50 84 1 19 80 1 08 19 61 1 31 16 30 1 61 GCGD24S21S2 SH 10 SC 12 95 OD Temp 40 68 6 22 88 1 42 19 07 1 70 13 99 2 02 45 76 1 24 93 1 44 22 25 1 72 17 25 2 07 50 84 1 27 12 1 47 25 63 1 75 20 72 2 12 GCGD30S21S2 SH 12 SC 10 95 OD Temp 40 68 6 28 77 1 75 23 85 2 01 17 06 2 21 45 76 1 30 28 1 80 26 56 2 0...

Page 8: ...NIMUM 18 SERVICE ACCESS CLEARANCE ON ONE SIDE 60 OVERHEAD CLEARANCE 6 CLEARANCE AROUND PERIMETER NOTE ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE NEC AND OR LOCAL CODES POWER WIRING 208 230 1 60 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 ROOM TH...

Page 9: ...7 0 7 0 7 0 7 0 7 0 7 85 T C 10 9 11 6 11 4 12 6 13 5 11 4 12 1 11 7 12 8 13 6 11 9 12 6 11 9 13 0 13 7 S C 10 7 10 6 9 0 9 0 7 1 11 2 11 3 9 6 9 6 7 5 11 7 12 1 10 3 10 1 7 8 KW 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 0 8 95 T C 10 7 11 5 11 1 12 3 13 2 11 2 12 0 11 3 12 6 13 3 11 7 12 4 11 6 12 8 13 4 S C 10 5 10 8 9 0 9 0 7 1 11 0 11 5 9 7 9 7 7 5 11 5 12 2 10 4 10 4 7 9 KW 0 9 ...

Page 10: ...7 8 16 9 18 1 18 4 S C 14 3 13 5 11 2 11 0 8 5 15 5 15 2 12 8 12 3 9 3 16 6 16 9 14 4 13 6 10 2 KW 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 95 T C 13 9 15 7 15 4 16 8 17 9 15 3 16 6 15 9 17 4 18 2 16 7 17 5 16 5 18 0 18 5 S C 13 8 13 5 11 1 10 8 8 5 15 2 15 4 12 9 12 4 9 5 16 5 17 3 14 7 14 0 10 5 KW 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 105 T C 13 2 14 6 1...

Page 11: ...0 21 4 23 9 25 7 21 4 23 3 22 4 24 7 26 1 23 2 24 7 23 3 25 5 26 5 S C 19 5 18 3 15 3 15 3 12 0 21 2 21 2 17 5 17 3 13 1 22 9 24 0 19 6 19 4 14 2 KW 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 105 T C 18 8 21 0 20 4 23 2 25 5 20 8 22 5 21 4 24 2 26 0 22 8 24 1 22 5 25 2 26 4 S C 18 6 18 0 14 9 15 1 11 9 20 6 21 0 17 3 17 3 13 2 22 6 24 0 19 7 19 6 14 5 KW 1 7 1 7 1 7 1 7 1 8 1 7 1 ...

Page 12: ...1 23 3 19 4 19 2 14 9 25 8 25 4 21 4 20 9 16 0 27 4 27 5 23 3 22 7 17 1 KW 1 9 1 9 1 9 2 0 2 0 1 9 1 9 1 9 2 0 2 0 2 0 2 0 1 9 2 0 2 0 95 T C 23 0 24 9 24 4 28 0 29 8 25 7 26 3 25 3 28 4 29 9 28 4 27 7 26 1 28 7 30 0 S C 22 6 22 8 18 9 19 3 15 0 24 6 25 1 21 3 21 4 16 3 26 6 27 5 23 7 23 5 17 7 KW 2 1 2 1 2 1 2 1 2 2 2 1 2 1 2 1 2 1 2 2 2 1 2 1 2 1 2 1 2 2 105 T C 21 5 23 1 22 1 25 6 27 7 24 1 24 ...

Page 13: ...37 8 36 6 33 7 37 0 36 8 S C 29 6 28 6 23 2 22 8 17 1 31 9 31 2 25 3 24 8 17 9 34 2 33 8 27 3 26 8 18 7 KW 2 3 2 3 2 3 2 4 2 5 2 4 2 4 2 4 2 4 2 5 2 4 2 4 2 4 2 4 2 5 95 T C 29 7 30 9 29 4 33 1 34 5 33 4 33 2 30 8 34 4 35 1 37 2 35 6 32 3 35 8 35 6 S C 27 9 28 2 22 8 22 5 16 6 30 6 30 9 25 2 24 8 17 7 33 3 33 7 27 6 27 1 18 7 KW 2 5 2 5 2 5 2 6 2 7 2 5 2 5 2 5 2 6 2 7 2 6 2 6 2 5 2 6 2 7 105 T C 2...

Page 14: ... 9 42 0 39 5 44 1 44 9 S C 35 4 34 1 27 9 27 8 20 8 36 8 36 3 29 8 29 5 21 6 38 2 38 5 31 7 31 2 22 4 KW 2 7 2 7 2 7 2 7 2 8 2 7 2 7 2 7 2 8 2 8 2 7 2 7 2 7 2 8 2 8 95 T C 35 0 37 2 35 8 40 9 42 7 37 4 39 0 36 8 42 0 43 3 39 8 40 7 37 8 43 1 43 8 S C 33 9 33 8 27 4 27 7 20 7 35 5 36 0 29 6 29 8 21 6 37 1 38 2 31 8 31 8 22 6 KW 2 9 2 9 2 9 3 0 3 1 2 9 2 9 2 9 3 0 3 1 3 0 3 0 3 0 3 0 3 1 105 T C 33 ...

Page 15: ...1 5 46 6 47 8 45 9 45 4 42 4 47 6 48 3 S C 39 9 38 8 31 7 31 0 23 1 41 5 41 1 33 7 32 9 24 1 43 1 43 4 35 6 34 8 25 1 KW 3 0 3 0 3 0 3 1 3 1 3 0 3 0 3 0 3 1 3 1 3 0 3 0 3 0 3 1 3 2 95 T C 40 5 39 8 37 6 43 5 46 1 42 1 41 5 38 7 44 8 46 7 43 7 43 1 39 7 46 2 47 2 S C 37 5 37 5 30 7 30 7 22 9 39 3 39 8 32 8 33 0 24 0 41 0 42 1 34 9 35 4 25 1 KW 3 2 3 2 3 2 3 3 3 4 3 2 3 2 3 2 3 3 3 4 3 3 3 3 3 3 3 4...

Page 16: ...2 43 0 30 0 55 5 56 2 46 7 45 3 31 2 KW 3 3 3 3 3 3 3 4 3 5 3 4 3 4 3 4 3 4 3 5 3 4 3 4 3 4 3 4 3 5 85 T C 53 3 54 7 52 1 58 0 58 1 55 5 56 6 53 1 59 0 57 3 57 7 58 4 54 2 60 1 56 6 S C 50 3 49 4 40 6 40 1 28 4 52 0 51 9 43 2 42 6 29 6 53 7 54 4 45 8 45 1 30 8 KW 3 7 3 7 3 7 3 8 3 9 3 8 3 8 3 7 3 8 3 9 3 8 3 8 3 8 3 8 3 9 95 T C 51 3 52 7 49 6 56 0 56 7 53 7 54 8 50 6 56 9 54 6 56 1 56 9 51 6 57 8...

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