Daikin Altherma 3 H HT ECH2O Service Manual page 151
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Also See for Altherma 3 H HT ECH2O:
- Installation manual (40 pages) ,
- Installer's reference manual (316 pages) ,
- User reference manual (68 pages)
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To remove the backup heater contactor(s)
EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
ESIE22-11A – 2023.06
a
a Clip
b Backup heater housing
14 Open the stop valves and add water to the water circuit if needed, see
"5.3.2 Repair
procedures" [
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.
a
b
A
A 3 kW backup heater
B 6 kW backup heater
C 9 kW backup heater
a Backup heater contactor K1M
b Backup heater contactor K2M
c Backup heater contactor K5M
3 To
install
the
4
procedures" [
146].
b
a
4
381].
Action
No further actions required.
Return to
procedures" [
heater and continue with the next
procedure.
a
b
c
a
b
B
backup
heater
contactor(s),
4
Components
|
"4.4.1 Checking
4
140] of the backup
4
"4.19 Plate
work" [
287].
c
C
see
"4.4.2 Repair
Service manual
151
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Troubleshooting
