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Components
Service manual
94
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
A
FTXTM40R units
a
Indoor unit fan motor cover
a
A
A
FTXTP-M and ATXTP-M units
a
Indoor unit fan motor cover
4
144].
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.
4.9 Indoor unit heat exchanger
4.9.1 Checking procedures
To perform a mechanical check of the indoor unit heat exchanger
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
144].
1
Visually check:
▪
For any signs of damage or corrosion. Replace the heat exchanger as
needed, see
▪
For bended hair fins. Straighten as needed.
2
Check the heat exchanger for leaks. Use and electronic leak tester or 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?
Action
Yes
Replace the indoor unit heat exchanger,
see
95].
Summary of Contents for RXTA30B2V1B
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