4-Way Valve; Checking Procedures - Daikin altherma 3 M Service Manual

3 | Components

3.2 4-way valve

3.2.1 Checking procedures

To perform a mechanical check of the 4-way valve
Service manual
96
a
b
a 3-way valve knob
b 3-way valve motor
6 Route the 3‑way valve motor harness through the grommet in the switch box.
7 Connect the 3‑way valve motor wiring to the wire terminal X2M.
8 Install new tie straps to fix the 3‑way valve harness.
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
DANGER: RISK OF BURNING/SCALDING
The coil gets hot while energized. Wait for it to cool down.
2 Verify that the screw is firmly fixing the coil to the valve body.
3 Check if any damage or burst is present.
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
4
"3.17 Plate work" [ 230].
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03