Daikin Altherma 3 M - Thermistors; Refrigerant Side Thermistors

3 | Components
Service manual
248
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
b
a
a Refrigerant pressure sensor
b Refrigerant pressure sensor pipe
CAUTION
Overheating the pressure sensor will damage or destroy it.
5 After soldering is done, stop the nitrogen supply after the component has
cooled‑down.
6 Route the refrigerant pressure sensor harness towards the appropriate PCB.
7 Connect the refrigerant pressure sensor connector to the appropriate PCB.
8 Fix the refrigerant pressure sensor harness using new tie straps.
9 Perform a pressure test, see "4.2.1Checking procedures"[4286].
10 Add refrigerant to the refrigerant circuit, see "4.2.2 Repair
procedures"[4291].
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
3.20 Thermistors
3.20.1 Refrigerant side thermistors
Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a mechanical check of the specific thermistor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].