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TESTING/INSPECTION | Up
TM-5-4120-375-14 Air Conditioner Horizontal Compact 18 000 BTU 208 Volt 3 Phase 50/60 Hertz NSN 4120-01-105-5746 Manual | Next
TESTING/INSPECTION |
TM5-4120-375-14
CONTROL BOX (CONT.)
LOCATION/ITEM
ACTION
REMARKS
TESTING/INSPECTION
6.
Thermostat
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
1.
m.
n.
Place thermostat in ambient temperature of 80 -90 F
(28-32 C).
Place temperature control on thermostat in
WARM position.
Check for continuity between terminals COM and NC.
If lack of continuity is found replace defective
thermostat.
Place temperature control on thermostat in the COOL
position.
Check for continuity between terminals COM and NO.
If lack of continuity is found replace defective
thermostat.
Place thermostat in ambient temperature of 40 -50 F
(4-10 c).
Place temperature control on thermostat in the WARM
position.
Check continuity between terminals COM and NC.
If lack of continuity is found replace defective
thermostat.
Place temperature control on thermostat in the COOL
position.
Check continuity between terminals COM and NO.
If lack of continuity is found replace defective
thermostat.
4-38
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