Outdoor Unit Heat Exchanger; Checking Procedures - Daikin RXTA30B2V1B Service Manual

4.16 Outdoor unit heat exchanger

4.16.1 Checking procedures

To perform a mechanical check of the outdoor unit heat exchanger
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
a Nut
b Propeller fan blade assembly
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Visually check:
▪ For any signs of damage or corrosion. Replace the heat exchanger as
needed, see "4.16.2 Repair
▪ For bended hair fins. Straighten as needed.
2 Check the heat exchanger for leaks. Use soap test method.
CAUTION
Do NOT use soap containing Chlorine or Sulfide as this may result in corrosion of the
copper piping.
Any leaks found?
Yes
No
a b
Action
No further actions required.
Return to "4.15.1 Checking
procedures" [
fan motor and continue with the next
procedure.
"4.17 Plate
4
procedures" [ 142].
Action
Replace the outdoor unit heat
exchanger, see
procedures" [
Heat exchanger is OK. Return to the
troubleshooting of the specific error
and continue with the next step.
4 Components
|
4
135] of the outdoor unit
4
work" [ 144].
"4.16.2 Repair
4
142].
Service manual
141