York HIDS006B21S - Removing Electronic Expansion Valve Coil; Removing Float Switch

(Ducted Slim Type)
MAINTENANCE
SM-18001-rev.1
4-35
Phillips ScrewdriverTool
Phillips Screwdriver, WrenchesTool
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 t 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 oat switch is secured to the bracket of the oat switch.
Remove the oat switch using two wrenches.
Bracket
Float Switch
ATTENTION:
When reassembling, handle the oat switch carefully.
(Tightening Torque: Approx. 0.2lbf
●
ft (0.3N
●
m))
If the oat switch is dropped, a malfunction will occur.
Projection
Detent
Expansion V
alve Body
Expansion Valve Coil
TURN OFF all POWER supply switches.