York CIDH018B21S, Руководство по обслуживанию

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(Ducted Medium Static Type)
MAINTENANCE
SM-18001-rev.1
4-17
Use the specified non-flammable refrigerant for the outdoor unit in the refrigerant system.
Do not charge material other than specified refrigerant into the unit such as hydrocarbon
refrigerants (propane), oxygen, flammable gases (acetylene), or poisonous gases when
installing, maintaining and moving. These flammables are extremely dangerous and may cause
an explosion, a fire, and injury.
(2) There are two PCBs. The control PCB is secured with four PCB holders. Clamp the center of
the PCB holders using a long-nose plier and pull out the PCB.
(3) Remove four PCB holders and remove
the power supply of the PCB.
Phillips Screwdriver, Long-nose Pliers Tool
ATTENTION:
Do not touch any components on the PCB.
Do not apply excessive force to the PCB or it will cause a malfunction.
4.2.2.1 Removing Long-Life Filter
The air inlet grilles are field-supplied. How easy it is to access these filters will depend on the installations
or location of the equipment. Check it carefully.
4.2.2.2 Removing PCB
(1) Loosen two M4 screws securing the electrical box cover and remove the electrical box cover by lifting
it up.
Phillips Screwdriver Tool
Electrical Box Cover
Screws
PCB1
PCB2
Fan Motor
Thermistror
Float Switch
Connector for
Expension Valve
Connector for
Connector for
Connector for
● (H,Y,C)IDM006 - 018B21S ● (H,Y,C)IDM024 - 048B21S
4.2.2 Ducted Medium Static Type ((H,Y,C)IDM006 - 048B21S)
Connector
for
PCB1
Thermistror
Float Switch
Connector for
Expension Valve
Connector for
Connector for
PCB2
Fan Motor
TURN OFF all POWER supply switches.