Installation Guide

10
DEH 3000/R Installation Instructions
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WIRING
Symptom Possible Reason Troubleshooting Procedure
CAUTION!
TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED HVAC TECHNICIAN.
1. Verify unit has power.
2. Turn unit off then on.
3. Disconnect the unit from power source then
re-apply power to the unit. Display should
now operate.
No display on initial
start up.
This is often the result of
a drained capacitor. The
capacitor will recharge once
power is applied or re-
applied to the unit.
Troubleshooting
WARNING!
ELECTRICAL SHOCK HAZARD. ELECTRICAL POWER MUST BE PRESENT TO PERFORM
SOME TESTS. THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON.
Function not
working properly.
1. Verify wiring.
2. Verify voltage with voltmeter.
Dehumidier not
working properly.
See chart below:
Wire Terminal
Connections Connections Operation
Yellow & Blue 24V and DEHU Fan & Compressor
Yellow & Green 24V and FAN Fan Only
Note: A jumper or normal closed oat switch must
be installed from FLOAT to FLOAT.