Carrier AQUASNAP - Wiring Diagrams for 30 RA017-033;30 RH017-033 Models; Three-Phase;Single-Phase Unit Wiring; Troubleshooting Guide; Common Symptoms and Solutions

Remote controller
GB - 5
ENGLISH
Wiring diagrams and Troubleshooting
Symptom Possible cause Action required Solution
24 volts applied to
remote controller at the
correct terminals but
unit does not operate
1) Verify that 30RA/30RH unit is connected to the
proper terminals of the controller.
Reference Installation cable paragraph for correct con-
nections
1) Check that the unit main power is connected.
1) Check the 0-24 connection on the terminal block
in the 30RA/30RH unit.
After disconnecting the power,
correct the wiring problem and
restart the power.
After verifying the wiring to the
remote controller, restart the
unit power.
After disconnecting the power,
correct the wiring problem and
restart the power.
Change the remote
controller and restart the
power.
Troubleshooting
Single-phase unit / Three-phase unit with accessory remote control
30RA017-033
30RH017-033
30
31
32
33 64 74
1
2
5
678
34
0 V 2 4 V


30
31
32
33 64 74
1
2
5
678
34
0 V 2 4 V




 Unit electrical panel
 Electronic board connectors
 Remote control
 Unit electrical panel
 Electronic board connectors
 Remote control
1) miswiring of the 24 volt power
to remote controller control.
2) Power not online
3) No 24 volt supply to terminal block.
1) The remote controller is damaged.
LED fault