Booster Heater Thermal Protector; Checking Procedures - Daikin altherma 3 M Service Manual

To remove the booster heater contactor(s)
To install the booster heater contactor(s)

3.6 Booster heater thermal protector

3.6.1 Checking procedures

To perform a mechanical check of the booster heater thermal protector
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn off the respective circuit breaker of the unit and the booster
heater.
Prerequisite: Remove the required plate work, see
1 Disconnect the wiring from the booster heater contactor terminals.
2 Remove the screws and remove the booster heater contactor(s) from the
switch box.
3 To install the
4
procedures" [ 132].
1 Install the booster heater contactor(s) in the switch box and fix them using the
screws.
2 Connect the wiring to the correct booster heater contactor terminals.
Is the problem solved?
Yes
No
INFORMATION
It is recommended to perform the checks in the listed order.
1 For the correct procedure, see the installation manual of the water tank.
Does the booster heater thermal
protector trip at 80~90°C?
Yes
No
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
booster heater contactor(s),
Action
No further actions required.
Return to
procedures" [
heater and continue with the next
procedure.
Action
Perform an electrical check of the
booster heater thermal protector, see
"3.6.1 Checking
Replace the booster heater thermal
protector, see
procedures" [
3 Components
|
4
"3.17 Plate work" [ 230].
see "3.5.2 Repair
"Checking
4
104] of the backup
4
procedures" [ 133].
"3.6.2 Repair
4
134].
Service manual
133