TM 9-4120-371-14
The drain traps contain check valves that prevent air flow between the condenser and evaporator
sections through the drain tubing.
FAN MOTOR (B2) Drives both the conditioned air (evaporator) fan and the condenser fan.
CONDENSER FAN Draws air through the condenser coil and discharges the heated air back to the
outside during cooling operations.
1-9. DIFFERENCES BETWEEN MODELS
Units with Keco serial numbers 81490 through 81524 are supplied with a shorter evaporator fan shaft and
spacer arrangement. Keco units with serial number 81489 and serial number 81525 and thereafter, as well as
A.R.E. Model CVP20-5/608 are supplied with a longer motor shaft and no spacer. The later issue motor can
be used in all units. Do not use spacers on replacement motors. Units with Keco serial numbers 81489 through
81533 are different from units with Keco serial numbers 82760 and subsequent, as well as A.R.E. Model
CVP20-5/6-08. The difference between them is the later issue units are supplied with a different condenser
coil and bracket, One solenoid valve has been relocated. An access cover plate added to the left side panel
and ground stud hardware has been added to rear panel, connected internally via ground wire to junction box.
Keco units, Model F18T2SA, are supplied with a compressor using an integral thermostat self regulation
valves used on these units are nonrepairable. They are mounted to existing brackets using a clamp and require
minor piping connection changes.
OPERATING TEMPERATURES:
LOW
-50F (-45C)
+125F (+51.6C)
HIGH
PERFORMANCE:
18,000 BTU/HR
COOLING CAPACITY
12,000 BTU/HR
POWER REQUIRED:
208
VOLTAGE
3
PHASE
50/60
HERTZ
20.8
AMPERAGE
DIMENSIONS:
17.25 in. (43.8 cm)
WIDTH
20.00 in. (50.8 cm)
DEPTH
46.5 in. (118 cm)
HEIGHT
280 pounds (110.2 kg)
WEIGHT
REFRIGERANT:
R-22
TYPE
*3 pounds (1.2 kg)
CHARGE
**4 pounds (1.8 kg)
Effective for Keco Model F18T-2S Serial No's. 81489 through 81533.
Effective for Keco Model F18T2S Serial No's. 82760 and higher,
Keco Model F18T-2SA, and A.R.E. Model CVP-20-5/6-08.