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QT
Series General Information
EC
QT
MODEL NOMENCLATURE
EC
QA
36
MODEL NUMBER |
QA - QT
Model
EC
CAPACITY |
24 - 2 Ton
30 - 2½ Ton
REVISION |
36 - 3 Ton
42 - 3½ Ton
48 - 4 Ton
60 - 5 Ton
VOLTS & PHASE |
A - 230/208/60/1
B - 230/208/60/3
C - 460/60/3
Manual 2100-437E
Page
4 of 31
1
– A
10
X
FILTER OPTIONS
KW
0Z - 0KW
X - 1 Inch Fiberglass
05 - 5KW
F - 2 Inch Fiberglass
06 - 6KW
09 - 9KW
P - 2 Inch Pleated
10 - 10KW
12 - 12KW
15 - 15KW
VENTILATION OPTIONS
X - Barometric Fresh Air Damper (Standard)
B - Blank-off Plate
V - Commercial Ventilator - Motorized w/Exhaust
Spring Return
P - Commercial Ventilator - Motorized w/Exhaust
Power Return
R - Energy Recovery Ventilator w/Exhaust
E - Economizer
X
X
X
COIL OPTIONS
X - Standard
(Standard)
1 - Coated Evap. Coil
2 - Coated Cond. Coil
3 - Coated Evap. &
COLOR OPTIONS
V - Platinum w/Slate
Front (Vinyl)
4 - Gray paint
CLIMATE CONTROL OPTIONS
X - None
A - Electronic/Non Prog/Man C/O
D - Electronic/Prog/Man/Auto
X
X
Cond. Coil
INTERNAL CONTROLS
X - Standard
• High Pressure Switch
• Compressor Time Delay
J - Alarm Relay + LPC
G - LPC (Low Pressure Control)
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