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Video & Articles: Appliance & Equipment RepairCarrier/Gree ETAC Heat Pump Power Relay Replacement 4402033402 
Carrier/Gree ETAC Heat Pump Power Relay Replacement 4402033402
Skill Level
Total Parts Cost
$86.80Estimated Savings
$112.5008:43
- Description
This video provides step-by-step instructions for replacing the power relay on a Carrier/Gree ETAC Heat Pump Unit. The most common reason for replacing this part is if the unit will not power 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 power relay in this carrier/gree etac heat pump unit…
2
… you will need a #2 phillips-head screwdriver 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
Unthread the two screws securing the power relay to the rear panel.
19
Pull the relay out.
20
Lift up the wire insulators.
21
Note the orientation of the wires… then use the needle-nose pliers to depress the locking tabs to release the wires.
22
To install the new power relay…
23
… attach the wires to the appropriate terminals and slide the insulators over the terminals.
24
Position the relay on the rear panel…
25
… and thread the two screws to secure.
26
Reconnect the relay board and transformer wire connecters to the main control board…
27
… then realign the middle access cover and thread the five screws.
28
Reconnect the thermostat and energy management wire connecters if applicable.
29
Reposition the left access cover…
30
… and rethread the screws.
31
Realign the side access cover…
32
… and thread the screws to secure.
33
Reconnect the power cord wire connecter…
34
… then reposition the junction box and rethread the screws.
35
Rethread the lower right screw to fully secure the cover.
36
Realign the control panel and thread the screw to secure.
37
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.
38
Restore power to the unit…
39
… and the etac heat pump system should be ready for use.
Description
This video provides step-by-step instructions for replacing the power relay on a Carrier/Gree ETAC Heat Pump Unit. The most common reason for replacing this part is if the unit will not power 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 power relay in this carrier/gree etac heat pump unit…
2
… you will need a #2 phillips-head screwdriver 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
Unthread the two screws securing the power relay to the rear panel.
19
Pull the relay out.
20
Lift up the wire insulators.
21
Note the orientation of the wires… then use the needle-nose pliers to depress the locking tabs to release the wires.
22
To install the new power relay…
23
… attach the wires to the appropriate terminals and slide the insulators over the terminals.
24
Position the relay on the rear panel…
25
… and thread the two screws to secure.
26
Reconnect the relay board and transformer wire connecters to the main control board…
27
… then realign the middle access cover and thread the five screws.
28
Reconnect the thermostat and energy management wire connecters if applicable.
29
Reposition the left access cover…
30
… and rethread the screws.
31
Realign the side access cover…
32
… and thread the screws to secure.
33
Reconnect the power cord wire connecter…
34
… then reposition the junction box and rethread the screws.
35
Rethread the lower right screw to fully secure the cover.
36
Realign the control panel and thread the screw to secure.
37
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.
38
Restore power to the unit…
39
… and the etac heat pump system should be ready for use.
Applicable Product Model
Parts Needed
Power Relay
$86.80
Total$0.00
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