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Checkout Procedures
NOTE:
Pre-Start-Up Checks
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Has an auxiliary pan been provided under the unit
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Check Blower Operation
1.
Check Cooling Operation
1.
2.
later.
3.
4.
Page 18 of 22
1.
2.
Operation
Time Delay Relay
NOTE:
1.
motor-on delay.
2.
After the motor-on delay expires, motor ramps up
3.
4.
2
1
1
SECOND
COOLING
DELAY
DEMAND
Figure 19. Blower Time Delay
motor.
reversing valve remains energized as long as the
Issue 2336
3
4
100%
100%
CFM
CFM
45
SECS
507787G02 / 31-5000675-1
OFF
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