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Manual 2100-537
I
Page 5 of 54
TABLE 1 — INDOOR BLOWER PERFORMANCE (RATED CFM)
Motorwillautomaticallystepthroughthevariousairowswiththermostaticcontrol
ESP = External Static Pressure (inches of water)
 Maximum allowable duct static
ContinuousairowistheCFMbeingcirculatedwithmanualfanoperationwithoutanyadditionalfunctionoccurring.
Willoccurautomaticallyforrst5minutesofPartLoadCoolingOperation.
WilloccurautomaticallyafterveminutesofPartLoadCoolingOperation.
Will occur automatically with control signal input.
As per ASHRAE Guidelines of 500 FPM Velocities.
MODEL
Rated
ESP
MAX
ESP
Continuous
Airow
Mild Climate
Operation
in Part Load
Cooling
Part Load
Airow
Full Load
Airow
Electric Heat
Airow
Minimum Air
Filter Face
Area Ft.2
GTC36S2 0.15 0.60 600 700 850 1200 1300 2.6
GTC48S2 0.20 0.60 750 875 1075 1500 1600 3.2
GTC60S2 0.20 0.60 900 1050 1300 1800 1800 3.6
APPLICATION
MODELS
GTC36S2 GTC48S2 GTC60S2
Ground Loop (15% Methanol, Propylene Glycol, etc.) 8 12 15
Ground Water 6 7 9
Water Loop (Cooling Tower) 9.2 12.1 14.3
MODEL GTC36S2 GTC48S2 GTC60S2
Electrical Rating (60HZ/1PH) 230/208-60-1
Operating Voltage Range 253-197 VAC
Minimum Circuit Ampacity 24.5 33.1 39.7
+Field Wire Size #10 #6 #4
Ground Wire Size #10 #10 #10
++Delay Fuse or Circuit Breaker Max. 35 50 60
COMPRESSOR
Volts 230/208-60-1
Rated Load Amps (230/208) 10.6 / 11.9 15.3 / 17.0 20.2 / 22.7
Branch Circuit Selection Current 15.3 21.2 25.6
Locked Rotor Amps (230/208) 82 / 82 104 / 104 153 / 153
BLOWER MOTOR
Horsepower (ECM Motor) 3/4 Variable Speed
Volts 230/208-60-1
Motor Amps (Stage #2 @ Rated CFM) 3.4 4.3 4.4
FLOW CENTER (Based on DORFC-2)
Volts 230/208-60-1
Amps 2.14 2.14 2.14
DESUPERHEATER PUMP MOTOR
Volts 230/208-60-1
Amps 0.15 0.15 0.15
TABLE 2 — FLOW RATES FOR VARIOUS FLUIDS
TABLE 3 — SPECIFICATIONS
+75°C copper wire ++ HACR type circuit breaker
NOTE: All values can be changed + 10% via the + adjustment dip switches on the tap select control inclusive in the GTB1-A Blower Section
(see instructions later in this manual, or on wiring diagram in blower section).