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Johnson Controls GCGD12, Technical Manual

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Johnson Controls GCGD12 Technical Manual Download Page 11

400038-UTG-B-0708

Johnson Controls Unitary Products

11

Multipliers for determining the performance with other indoor sections.

NOTE: 

For dry bulb temperatures different than those listed (between 73-87 F), sensible capacity increases by 1060 BTUH per 1000 CFM per degree above the 

listed temperature and decreases by 1060 BTUH per 1000 CFM per degree below the listed temperature.

COOLING PERFORMANCE DATA

AIR CONDITIONER MODEL NO.

GCGD24S21S2

INDOOR COIL MODEL NO.

FC/MC/PC36

CONDENSING

ENTERING AIR

TEMPERATURE

IDCFM

600

800

1000

ID DB (°F)

80

80

75

80

80

80

80

75

80

80

80

80

75

80

80

ID WB (°F)

57

62

62

67

72

57

62

62

67

72

57

62

62

67

72

75

T.C.

21.5 24.0 23.5 25.4 26.2 22.7 24.9 24.2 25.8 26.4 23.9 25.8 24.9 26.2 26.7 

S.C.

21.3 19.0 16.1 15.7 12.2 22.5 21.5 17.8 17.3 12.9 23.7 24.1 19.5 18.9 13.6 

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 

85

T.C.

20.6 23.0 22.5 24.7 26.0 22.1 24.1 23.3 25.3 26.3 23.5 25.2 24.1 25.8 26.6 

S.C.

20.4 18.7 15.7 15.5 12.1 21.9 21.4 17.6 17.3 13.0 23.3 24.0 19.5 19.1 13.9 

KW

1.4 1.4 1.4 1.4 1.5 1.4 1.4 1.4 1.5 1.5 1.4 1.4 1.4 1.5 1.5 

95

T.C.

19.7 22.0 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 1.7 1.7 1.8 1.8 1.8 1.7 1.7 1.8 1.8 

115

T.C.

17.9 19.5 18.8 21.7 24.0 19.8 21.2 19.9 22.6 24.5 21.7 22.9 21.0 23.6 25.0 

S.C.

17.8 17.4 14.2 14.6 11.5 19.7 19.9 16.6 16.9 12.9 21.6 22.5 19.1 19.2 14.4 

KW

1.9 1.9 1.9 1.9 2.0 1.9 1.9 1.9 2.0 2.0 2.0 2.0 1.9 2.0 2.0 

125

T.C.

17.1 18.2 17.3 20.2 22.5 18.9 20.0 18.4 21.1 23.1 20.8 21.8 19.5 22.0 23.6 

S.C.

16.9 16.7 13.5 14.0 11.1 18.8 18.9 16.0 16.4 12.6 20.6 21.0 18.5 18.8 14.2 

KW

2.1 2.1 2.1 2.1 2.2 2.1 2.1 2.1 2.1 2.2 2.2 2.2 2.1 2.2 2.2 

NOTE: 

ALL CAPACITIES INCLUDE INDOOR FAN HEAT AT 1250 BTUH/1000 CFM.

Air Handler

Coil

T.C.

S.C.

KW

–

FC/MC/PC32 

1.00 1.00 1.00 

–

FC/MC/PC35 

1.00 1.00 1.00 

–

FC/MC/PC37 

1.00 1.00 1.00 

–

FC/MC/PC43 

1.00 1.00 1.00 

–

HC30 

1.00 1.00 1.00 

–

HC36 

1.00 1.00 1.00 

–

HC42 

1.00 1.00 1.00 

–

UC36 

1.00 1.00 1.00 

AHP30 

–

1.00 1.00 1.00 

F4FP036

–

1.00 1.00 1.00 

MA08B 

FC/MC35B 

1.00 1.00 1.00 

MA08B 

FC/MC36B 

1.00 1.00 1.00 

MA08B 

FC/MC43B 

1.00 1.00 1.00 

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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