(Ducted Slim Type)
MAINTENANCE
SM-18001-rev.1
4-35
Phillips Screwdriver
Tool
Phillips Screwdriver, Wrenches
Tool
4.2.3.5 Removing Electronic Expansion Valve Coil
(1) Remove the service cover according to Section 4.2.3.4 “Removing Thermistors for Liquid Pipe and
Gas Pipe”.
(2) Remove the detents of the expansion valve coil from the projection parts of the valve body by rotating
the valve coil. Pull up the valve coil and remove it. At this time, take care not to twist the pipes.
(3) Insert the new expansion valve coil into the expansion valve body. When inserting the valve coil,
secure the projection parts into the detents.
NOTE:
The detents are located 90
o
apart in a circle and the projections are located 180
o
apart in a circle.
Make sure to fit the projection parts into the detents. The position of rotation direction does not affect
the operation. If the valve coil is inserted incorrectly, it may cause malfunction of the valve coil.
(4) When the replacement is completed, secure the wire for the expansion valve coil near the valve coil
with a plastic band. At this time, secure the edge of the lead wires for the expansion valve coil to
face down.
4.2.3.6 Removing Float Switch
(1) Remove the service cover according to Section 4.2.3.4 “Removing Thermistors for Liquid Pipe and
Gas Pipe”.
(2) The float switch is secured to the bracket of the float switch.
Remove the float switch using two wrenches.
Bracket
Float Switch
ATTENTION:
When reassembling, handle the float switch carefully.
(Tightening Torque: Approx. 0.2lbf
●
ft
(0.3N
●
m))
If the float switch is dropped, a malfunction will occur.
Projection
Detent
Expansion Valve Body
Expansion Valve Coil
TURN OFF all POWER supply switches.
Содержание CIDH018B21S
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Страница 10: ...viii SM 18001 rev 1...
Страница 15: ...SM 18001 rev 1 1 1 INSTALLATION 1 Installation...
Страница 19: ...SM 18001 rev 1 2 1 OPERATION 2 Operation...
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Страница 23: ...SM 18001 rev 1 3 1 TROUBLESHOOTING 3 Troubleshooting...
Страница 75: ...MAINTENANCE SM 18001 rev 1 4 1 4 Maintenance...
Страница 76: ...MAINTENANCE 4 2 SM 18001 rev 1 4 1 Maintenance of Outdoor Unit Refer to the Service Manual for Outdoor Unit...
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Страница 131: ...SM 18001 rev 1 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting...
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Страница 173: ...SM 18001 rev 1 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...
Страница 182: ...6 10 SM 18001 rev 1 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...
Страница 183: ...SERVICE PARTS LIST SM 18001 rev 1 7 1 7 Service Parts List...
Страница 184: ...SERVICE PARTS LIST 7 2 SM 18001 rev 1 Refer to the Service Parts List for Ducted High Static Medium Static and Slim...
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Страница 186: ...2018 Johnson Controls Inc SM 18001 rev 1 Code No LIT 12013047 Revised February 2019...