Accumulator Assembly; Checking Procedures; Repair Procedures - Daikin Altherma EBLQ011CAV3 Service Manual

2 Components
4 To install the 4‑way valve coil, see
page 39.
To remove the 4-way valve body
Prerequisite: Recuperate the refrigerant from the refrigerant circuit,
see "3.2.2 Repair procedures" on
1 Remove the 4‑way valve coil from the 4‑way valve body, see
"2.2.2 Repair procedures" on
2 Cut the 4‑way valve pipes using a pipe cutter.
d c
a 4‑way valve pipe
b 4‑way valve
c Putty
d Insulation
3 Remove the 4‑way valve.
4 Keep the putty and the insulation for re-use.
5 To install the 4‑way
procedures" on page 39.
To install the 4-way valve body
1 Install the 4‑way valve in the correct location.
2 Wrap a wet rag around the 4‑way valve and solder the 4‑way
valve pipes to the 4‑way valve.
CAUTION
Overheating the valve will damage or destroy it.
d c
a 4‑way valve pipe
b 4‑way valve
c Putty
d Insulation
3 Install the putty and the insulation in their original location.
4 Install the 4‑way valve coil on the 4‑way valve body, see
"2.2.2 Repair procedures" on
5 Add refrigerant to the refrigerant circuit, see
procedures" on page 93.
Service manual
40
"2.2.2 Repair procedures" on
page 93.
page 39.
a b a
valve body, see "2.2.2 Repair
a b a
page 39.
"3.2.2 Repair
To install the 4-way valve coil
1 Install the 4‑way valve coil on the 4‑way valve body.
c
a Screw
b 4‑way valve coil
c 4‑way valve body
2 Install and tighten the screw to fix the 4‑way valve coil.
3 Route the 4‑way valve coil harness towards the main PCB.
4 Connect the 4‑way valve coil connector to the main PCB.
WARNING
When reconnecting a connector to the PCB, do NOT apply
force, as this may damage the connector or connector pins
of the PCB.
5 Fix the 4‑way valve coil harness using new tie straps.
Is the problem solved?
Yes
No
2.3

Accumulator assembly

2.3.1

Checking procedures

To perform a visual check of the accumulator
assembly
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
work" on page 77.
1 Visually inspect the outside of the accumulator assembly for the
presence of ice.
Ice is present on the outside of
the accumulator assembly?
Yes
No
2.3.2

Repair procedures

To remove the accumulator assembly
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
a b
Action
No further actions required.
Return to the troubleshooting of
the specific error and continue
with the next procedure.
"2.19 Plate
Action
Replace the accumulator
assembly, see "2.3.2 Repair
procedures" on page 40.
Return to the troubleshooting of
the specific error and continue
with the next step.
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02