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Video & Articles: Appliance & Equipment RepairCarrier/Gree ETAC Heat Pump Relay Power Control Board Replacement 30132161 
Carrier/Gree ETAC Heat Pump Relay Power Control Board Replacement 30132161
Skill Level
Total Parts Cost
$185.56Estimated Savings
$112.5011:32
- Description
This video provides step-by-step instructions for replacing the relay power control board on a Carrier/Gree ETAC Heat Pump Unit. The most common reason for replacing this part is if the unit is not powering on.
All of the information in this video is applicable to the following brands: Carrier, Gree
All of the information in this video is applicable to the following brands: Carrier, Gree
Step By Step Instructions
1
To replace the relay and power control board in this carrier/gree etac heat pump unit…
2
… you will need a #1 phillips-head screwdriver, a #2 phillips-head screwdriver, a short #2 phillips-head screwdriver, wire cutters, zip-ties, and needle-nose pliers.
3
Before you begin the procedure, be sure to turn the unit off…
4
…and disconnect the power supply.
5
Remove the unit’s front panel by pulling the bottom of the panel out to release it from the tabs…then lift up.
6
Use the #2 phillips-head screwdriver to unthread the screw securing the control panel.
7
Detach the control panel.
8
Now unthread the lower right screw securing the junction box cover.
9
Unthread the three screws securing the junction box itself.
10
Pull back the cover to fully detach the junction box from the power cord.
11
Disconnect the power cord wire connecter.
12
Next, unthread the six screws securing the control box’s side access cover.
13
Remove the cover.
14
Unthread the four screws to release the left access cover.
15
Now unthread the five screws securing the middle access cover.
16
If applicable, disconnect the wall thermostat wire connecter and the energy management wire connecter.
17
Disconnect the relay board and transformer wire connecters from the main control board so you can move the middle access cover out of the way.
18
Next, use the short #2 phillips-head screwdriver to unthread the screw to release the compressor capacitor mounting strap and move the capacitor out of the way.
19
Now use the #1 phillips-head screwdriver to unthread the two screws securing the relay and power control board to the mounting plate.
20
Use the wire cutters to cut the zip-tie bundling the wires together.
21
Note the orientation of the 18 wires connected to the board…
22
… then lift up the wire insulators or release the wire connecter locks as necessary to disconnect all of the wires.
23
You can use the needle-nose pliers to depress the locking tabs to release the applicable wires.
24
You will need to disconnect the two power wires from the terminal blocks to fully remove the old board.
25
To install the new relay and power control board…
26
… first feed the two power wires through their respective current sensors on the board and reconnect the wires to the terminal blocks.
27
Now connect all 18 wires to the appropriate terminals on the board.
28
Replace the wire connecter locks and slide the insulators over the terminals, as necessary.
29
Position the board on the mounting plate…
30
… and thread the two screws to hold it in place.
31
Use a new zip-tie to bundle the wires together.
32
Reposition the capacitor in the mounting strap and thread the screw to hold the capacitor in place.
33
Reconnect the relay board and transformer wire connecters to the main control board…
34
… then realign the middle access cover and thread the five screws.
35
Reconnect the thermostat and energy management wire connecters if applicable.
36
Reposition the left access cover…
37
… and rethread the screws.
38
Realign the side access cover…
39
… and thread the screws to secure.
40
Reconnect the power cord wire connecter…
41
… then reposition the junction box and rethread the screws.
42
Rethread the lower right screw to fully secure the cover.
43
Realign the control panel and thread the screw to secure.
44
Reinstall the front panel by aligning the tabs over the top rail then push the bottom of the panel in until it snaps into place.
45
Restore power to the unit…
46
… and the etac heat pump system should be ready for use.
Description
This video provides step-by-step instructions for replacing the relay power control board on a Carrier/Gree ETAC Heat Pump Unit. The most common reason for replacing this part is if the unit is not powering on.
All of the information in this video is applicable to the following brands: Carrier, Gree
All of the information in this video is applicable to the following brands: Carrier, Gree
Step-By-Step Instructions
1
To replace the relay and power control board in this carrier/gree etac heat pump unit…
2
… you will need a #1 phillips-head screwdriver, a #2 phillips-head screwdriver, a short #2 phillips-head screwdriver, wire cutters, zip-ties, and needle-nose pliers.
3
Before you begin the procedure, be sure to turn the unit off…
4
…and disconnect the power supply.
5
Remove the unit’s front panel by pulling the bottom of the panel out to release it from the tabs…then lift up.
6
Use the #2 phillips-head screwdriver to unthread the screw securing the control panel.
7
Detach the control panel.
8
Now unthread the lower right screw securing the junction box cover.
9
Unthread the three screws securing the junction box itself.
10
Pull back the cover to fully detach the junction box from the power cord.
11
Disconnect the power cord wire connecter.
12
Next, unthread the six screws securing the control box’s side access cover.
13
Remove the cover.
14
Unthread the four screws to release the left access cover.
15
Now unthread the five screws securing the middle access cover.
16
If applicable, disconnect the wall thermostat wire connecter and the energy management wire connecter.
17
Disconnect the relay board and transformer wire connecters from the main control board so you can move the middle access cover out of the way.
18
Next, use the short #2 phillips-head screwdriver to unthread the screw to release the compressor capacitor mounting strap and move the capacitor out of the way.
19
Now use the #1 phillips-head screwdriver to unthread the two screws securing the relay and power control board to the mounting plate.
20
Use the wire cutters to cut the zip-tie bundling the wires together.
21
Note the orientation of the 18 wires connected to the board…
22
… then lift up the wire insulators or release the wire connecter locks as necessary to disconnect all of the wires.
23
You can use the needle-nose pliers to depress the locking tabs to release the applicable wires.
24
You will need to disconnect the two power wires from the terminal blocks to fully remove the old board.
25
To install the new relay and power control board…
26
… first feed the two power wires through their respective current sensors on the board and reconnect the wires to the terminal blocks.
27
Now connect all 18 wires to the appropriate terminals on the board.
28
Replace the wire connecter locks and slide the insulators over the terminals, as necessary.
29
Position the board on the mounting plate…
30
… and thread the two screws to hold it in place.
31
Use a new zip-tie to bundle the wires together.
32
Reposition the capacitor in the mounting strap and thread the screw to hold the capacitor in place.
33
Reconnect the relay board and transformer wire connecters to the main control board…
34
… then realign the middle access cover and thread the five screws.
35
Reconnect the thermostat and energy management wire connecters if applicable.
36
Reposition the left access cover…
37
… and rethread the screws.
38
Realign the side access cover…
39
… and thread the screws to secure.
40
Reconnect the power cord wire connecter…
41
… then reposition the junction box and rethread the screws.
42
Rethread the lower right screw to fully secure the cover.
43
Realign the control panel and thread the screw to secure.
44
Reinstall the front panel by aligning the tabs over the top rail then push the bottom of the panel in until it snaps into place.
45
Restore power to the unit…
46
… and the etac heat pump system should be ready for use.
Applicable Product Model
Parts Needed
Control Board
$185.56
Total$0.00
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