MAINTENANCE
(Wall Mount Type)
4-138
Service Manual
< TIWM015B21S - TIWM024B21S >
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(4) Remove the plastic band (A) securing each thermistor.
(5) Removing Freeze Protection Thermistor
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a thermo clip. Remove the thermistor from the thermo clip.
(b) When reinstalling the freeze protection thermistor, attach it using reverse procedures. Insert the
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(6) Removing Gas Pipe Thermistor
(a) < For TIWM015B21S >
The gas pipe thermistor is secured by the thermistor holder. Remove the thermistor holder from the
thermistor. Then, the gas pipe thermistor can be removed.
< For TIWM018B21S and TIWM024B21S >
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clip. Remove the thermistor from the thermo clip. Then, the gas pipe thermistor can be removed.
(b) When reattaching the gas pipe thermistor, attach it using reverse procedures.
< For TIWM015B21S >
Firmly attach the thermistor to the surface of the piping using the thermistor holder.
< For TIWM018B21S and TIWM024B21S >
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Tool
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Tool
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Plastic Band (A)
Inlet Air Thermistor
Resin Component for Securing
Inlet Air Thermistor
Freeze
Protection
Thermistor
Gas Pipe
Thermistor
Plastic Band (B)
Freeze Protection
Thermistor
Thermistor Pipe
Thermo Clip
Summary of Contents for YVAHP072B31S
Page 2: ......
Page 10: ...viii Service Manual ...
Page 16: ......
Page 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Page 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Page 920: ......
Page 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Page 1728: ......
Page 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Page 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Page 1795: ......
Page 1796: ... 2015 Johnson Controls Inc SM 15001 ...