No
1
Unplug the boiler from the electric outlet.
Separate the room thermostat by pulling up from the bracket.
Take the two screws connected with the thermostat wire off.
Separate the wire from the room thermostat.
Connect the replaced wire to the thermostat by screwing the two screws.
Pull down the thermostat inside the bracket.
Plug the boiler into the electric outlet.
1. Don't force disassembly.
2. After replacement, check the thermostat during boiler operation.
Part name
Room thermostat, FR-5
Replacement steps
Caution
- 79 -
KDB-GOM
Room thermostat
Series