2 Components
Service manual
36
EBLQ+EDLQ011~W1 + EBLQ+EDLQ011~0W1
+ EK(2)CB EKMB9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
4
Use a contact thermometer to measure the temperature at the
3‑way valve inlet, the domestic hot water exit and the space
heating exit.
Exit
Temperature
Domestic hot water
"Much" lower than the 3-way
valve inlet
Space heating
Same as the 3-way valve inlet
Both temperature checks
performed above are correct?
Action
Yes
Install a new 3-way valve motor,
see
No
Replace the valve body, see
"2.1.2 Repair procedures" on
page 36
2.1.2
Repair procedures
To remove the 3-way valve motor
Prerequisite:
Turn OFF the unit via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
Disconnect the 3‑way valve motor connector from the hydro
PCB.
2
Route the 3‑way valve motor harness through the grommet in
the switch box.
3
Cut all tie straps that fix the 3‑way valve motor harness.
4
Pull the 3-way valve knob and remove it from the 3‑way valve
motor.
a
b
a
3-way valve knob
b
3-way valve motor
5
Loosen the screw.
a
a
Screw
6
Remove the 3‑way valve motor from the 3‑way valve body.
7
To install the 3‑way valve motor, see
To remove the 3-way valve body
Prerequisite:
Turn OFF the unit via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
Drain water from the water circuit, see
2
Pull the 3‑way valve knob from the 3‑way valve body.
3
Loosen the screw and remove the 3‑way valve motor from the
3‑way valve body.
4
Remove the insulation that covers the 3‑way valve body.
5
Remove the 3 clips that fix the 3‑way valve body to the piping.
a
a
a
b
a
Clip
b
3-way valve body
6
Remove the 3‑way valve body.
7
To install the 3‑way valve body, see
Содержание Altherma EBLQ011CAV3
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