SM-16007
4-29
MAINTENANCE
4.1.14.1 Removing Expansion Valve Coil (MV1, MV2, MVB)
(1) Remove the front service cover according to Section 4.1.1 “Removing Front Service Cover”.
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Remove the expansion valve coil bracket from the expansion valve slot. Then, pull the coil upward.
• Pay attention to the thermistor wiring when removing the expansion valve coil.
NOTE:
Make sure to remove the coil bracket from the coil before pulling it out. If not, your hand may hit
against the piping. Follow the above procedures carefully to avoid any injuries.
(3) For replacing the expansion valve coil, press the coil into the expansion valve slot by turning the coil.
If an excessive force is applied to the coil, the coil bracket may become damaged. As a result, the coil
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NOTE:
The expansion valve coil should be tightened to 44.3 lbf
•
ft (60 N
•
m)
or less. After securing, check the
expansion valve coil position.
TURN OFF all power source switches.
Tool
Pliers
Expansion Valve Coil
Expansion Valve Body
Expansion Valve Body
Expansion Valve Body
Turn the coil and remove the coil bracket
from the slot.
Turn the coil and remove the coil bracket
from the slot.
Turn the coil and remove the coil bracket
from the slot.
Expansion Valve Coil
Expansion Valve Coil
MV1
MV2
MVB
Coil Bracket
Coil Bracket
Coil Bracket
Содержание YVAHP0721CW Series
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Страница 163: ...SM 16007 2 1 OPERATION 2 Operation ...
Страница 164: ...2 2 SM 16007 OPERATION Ɣ 5HIHU WR WKH 6HUYLFH 0DQXDO IRU QGRRU 8QLW RU RQWUROOHU ...
Страница 165: ...SM 16007 3 1 TROUBLESHOOTING 3 Troubleshooting ...
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Страница 285: ...SM 16007 4 1 MAINTENANCE 4 Maintenance ...
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Страница 361: ...SM 16007 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...
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Страница 391: ...SM 16007 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Страница 400: ...6 10 SM 16007 FIELD WORK INSTRUCTIONS 0ROOLHU KDUW IRU 5 ft 3 l b ...
Страница 401: ...SERVICE PARTS LIST SM 16007 7 1 7 Service Parts List ...
Страница 416: ... 2016 Johnson Controls Inc SM 16007 Code No LIT 12012400 Issued November 2016 ...