Backup Heater Kit - Daikin altherma 3 M Service Manual

3 | Components
To remove the backup heater contactor(s)
To install the backup heater contactor(s)

3.3.2 Backup heater kit

Checking procedures
To perform a resistance check of the backup heater
Service manual
112
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 backup
heater.
Prerequisite: Remove the required plate work, see
1 Disconnect the wiring from the backup heater contactor terminals.
2 Remove the screws and remove the backup heater contactor(s) from the
switch box.
3 To install the backup heater contactor(s), see
1 Install the backup heater contactor(s) in the switch box and fix them using the
screws.
2 Connect the wiring to the correct backup heater contactor terminals.
Is the problem solved?
Yes
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
Action
No further actions required.
Return to "Checking
4
procedures" [ 104] of the backup
heater and continue with the next
procedure.
"3.17 Plate work" [
"Repair procedures" [
Action
No further actions required.
Return to "Checking
4
procedures" [ 104] of the backup
heater and continue with the next
procedure.
4
"3.17 Plate work" [ 230].
EBLA09~16DA + EDLA09~16DA
4
230].
4
108].
Daikin Altherma 3 M
ESIE20-06A – 2021.03