Repair Procedures - Daikin altherma 3 M Service Manual

3.1.2 Repair procedures

To remove the 3-way valve motor
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
b
a Water inlet
b Domestic hot water exit
c Space heating exit
INFORMATION
The configuration of the 3‑way valve done by the installer may differ from the
configuration shown in this procedure.
2 Use a contact thermometer to measure the temperature at the 3‑way valve
water inlet, the domestic hot water exit and the space heating exit.
Exit
Domestic hot water
Space heating
3 Manually put the 3‑way valve in the space heating position by rotating the
3‑way valve knob.
4 Use a contact thermometer to measure the temperature at the 3‑way valve
water inlet, the domestic hot water exit and the space heating exit.
Exit
Domestic hot water
Space heating
Both temperature checks performed
above are correct?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
2 Disconnect the 3‑way valve motor wiring from the wire terminal X2M.
3 Route the 3‑way valve motor harness through the grommet in the switch box.
a
c
Temperature
Same as the 3-way valve inlet
"Much" lower than the 3-way valve inlet
Temperature
"Much" lower than the 3-way valve inlet
Same as the 3-way valve inlet
Action
Install a new 3-way valve motor, see
"3.1.2 Repair procedures" [
Replace the valve body, see
"3.1.2 Repair procedures" [
4
"3.17 Plate work" [
3 Components
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4
89].
4
89].
230].
Service manual
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