2 Components
Service manual
47
EBLQ+EDLQ011~W1 + EBLQ+EDLQ011~0W1
+ EK(2)CB EKMB9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
INFORMATION
Make sure that the O-ring stays in place.
10
Loosen the screws and disconnect the backup heater wiring
from the wire terminals in the switch box.
11
Remove the screw and disconnect the ground wire from the
switch box.
12
Guide the backup heater wiring and ground wire through the
grommet in the switch box.
13
Cut all tie straps that fix the backup heater wiring.
14
Remove the backup heater from the unit.
15
To install the backup heater, see
.
To install the backup heater
1
Install the backup heater in the correct location.
CAUTION
Check the condition of the O-rings and replace if needed.
Apply water to the O-rings before installation.
2
Install the lower backup heater coupling and install the clip.
c
a
b
a
Clip
b
Lower backup heater coupling
c
Backup heater
INFORMATION
Make sure that the back‑up heater pipe is fully inserted in
the back‑up heater coupling.
a
b
c
a
a
Clip
b
Backup heater pipe
c
Backup heater coupling
3
Install the backup heater thermal protector sensor in the backup
heater.
CAUTION
Check the condition of the O-rings and replace if needed.
Apply water to the O-rings before installation.
4
Guide the upper backup heater pipe through the pipe clamp
and install the upper backup heater coupling. Install the clip.
a
e
d
c
b
a
Screw
b
Pipe clamp
c
Clip
d
Upper backup heater coupling
e
Backup heater
5
Install and tighten the screw on the pipe clamp.
6
Route the backup heater wiring and ground wire towards the
switch box and through the grommet in the switch box.
7
Connect the ground wire to the switch box using the screw.
Tighten the screw.
8
Connect the backup heater wiring to the wire terminals in the
switch box and tighten the screws.
9
Fix the backup heater wiring using new tie straps.
10
Install and restore all insulation.
INFORMATION
Take care NOT to damage the insulation during
installation.
11
Open the valve (if equipped) of the water circuit towards the
expansion vessel.
CAUTION
Make sure to open the valve (if equipped) towards the
expansion vessel, otherwise the overpressure will be
generated.
12
Open the stop valves and add water to the water circuit if
needed, see
"3.3.2 Repair procedures" on page 96
Is the problem solved?
Action
Yes
No further actions required.
No
of the
backup heater and continue with
the next procedure.
To remove the backup heater contactors
Prerequisite:
Turn OFF the unit via the user interface.
Prerequisite:
Turn off the respective circuit breaker of the unit and
the backup heater.
Prerequisite:
Remove the required plate work.
