TM 9-4120-395-14&P
1-10. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS-Continued.
h.
Front Door Assembly-Bottom (8). Provides access to air filter (6), control box, (9), and compressor (11).
i.
Control Box Assembly (9). Contains electrical components.
j.
Reversing Valve Assembly (10). Routes refrigerant for heating and cooling operations.
k.
Compressor (11). Pumps refrigerant through the system.
I.
Venturi, Outdoor Coil, Fan And Motor Assembly (12). Draws air through the outdoor coil and discharges the
heated air back to the outside. The outdoor coil serves as a heat exchanger by transferring heat to/from the refrigerant
passing through the tubing to the air passing over the tubing.
m.
Side Door Assembly (13). Provides access to venturi, outdoor coil, motor assembly (12).
n.
Thermostat (14). A low voltage (30 Vac) control of 2 stage heat, 1 stage cool, and manual changeover in
the air conditioner system. The subbase system switch provides settings for OFF (cooling/heating off), and HEAT
(heating only), and COOL (cooling only). The fan switch provides settings for AUTO (fan is coupled to the system in
heating and cooling) and ON (the fan stays on until turned off by operator). The normal switch provides settings for
NORM. (compressor and heater element operate normally) and EMERG. HEAT (heater element and fans operate;
compressor is inoperative).
o.
(Blower Motor) (Indoor Fans) Assembly (15). Draws air into the evaporator section and exhausts It through
the indoor coil (3) and heater element (4) into the enclosure.
1-11. EQUIPMENT DATA.
Rating Summary:
COOLING BTUH
HEATING HI TEMP BTUH
HEATING LO TEMP BTUH
RATED CFM
24, 000
23, 600
13, 800
800
Performance:
Outdoor Ambient Degrees
Heating
Cooling
Fahrenheit
Centigrade
BTUH
BTUH
10
- 12.2
11,200
-
20
- 6.7
14,000
-
30
- 1.1
16,300
-
40
4.4
19, 800
-
50
10.0
24,200
-
60
15.6
25,600
-
70
21.1
27,300
26,900
75
23.9
-
26,200
80
26.7
-
25,700
85
29.4
-
25,000
90
32.2
-
24,400
95
35.0
-
24,000
100
37.8
-
22,900
105
40.5
-
21,700
110
43.0
-
20,600
115
46.1
-
19,400
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