ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com
500648 Rev A
24
621
Series
No System Power
•
Check main outlet breakers.
•
Check low voltage control breakers on front of blower pack.
Weak or Loss of Suction/Pressure
•
Check blower motors for function.
Blower motors can be tested individually by connecting a 9v battery
to pins 3(+) and 4(-) of Solid-State Relay.
•
To replace blower motors, see video link below.
Carrier Arrives Hard at Customer Unit
•
Verify carriers are in good condition.
•
Ensure that the solenoid is engaging at end of cycle.
Check that I7 LED is turning on at end of cycle.
Refer to Appendix A for LED details.
Troubleshooting
Low Voltage Control
Circuit Breakers
(Both Bower Packs)
Low Voltage
Terminals
Содержание 621 Series
Страница 17: ...ComCo Systems Inc 800 533 3794 www comcosystems com 500648 Rev A 16 621 Series Cut Sheets NOTE Installation ...
Страница 18: ...17 ComCo Systems Inc 800 533 3794 www comcosystems com 500648 Rev A 621 Series Cut Sheets NOTE Installation ...
Страница 19: ...ComCo Systems Inc 800 533 3794 www comcosystems com 500648 Rev A 18 621 Series Cut Sheets NOTE Installation ...
Страница 28: ...27 ComCo Systems Inc 800 533 3794 www comcosystems com 500648 Rev A 621 Series Appendix A ...