CN105
CN104
CN105
CN104
This product is designed and intended for use in the residential, commercial
and light-industrial environment.
HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU,
TOKYO 100-8310, JAPAN
6-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY
6-3. PUMPING DOWN
When relocating or disposing of the air conditioner, pump down the system following
the procedure below so that no refrigerant is released into the atmosphere.
1) Connect the gauge manifold valve to the service port of the stop valve on the gas
pipe side of the outdoor unit.
2) Fully close the stop valve on the liquid pipe side of the outdoor unit.
3) Close the stop valve on the gas pipe side of the outdoor unit almost completely so
WKDWLWFDQEHHDVLO\FORVHGIXOO\ZKHQWKHSUHVVXUHJDXJHVKRZV03D>*DXJH@
kgf/cm²).
4) Start the emergency COOL operation.
To start the emergency operation in COOL mode, disconnect the power supply plug
and/or turn off the breaker. After 15 seconds, connect the power supply plug and/
or turn on the breaker, and then press the E.O. SW once. (The emergency COOL
operation can be performed continuously for up to 30 minutes.)
5) Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure
JDXJHVKRZVWR03D>*DXJH@DSSUR[WRNJIFPð
6) Stop the emergency COOL operation.
Press the E.O. SW several times until all LED lamps turn off. Refer to operating
instructions for details.
6. RELOCATION AND MAINTENANCE
When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes. The compressor may burst if air etc. get into it.
WARNING
6-2. REMOVING THE INDOOR UNIT
Remove the bottom of the indoor unit from the installation
plate.
When releasing the corner boxes, release both left and
right bottom corner part of indoor unit and pull it down-
ZDUGDQGIRUZDUGDVVKRZQLQWKH¿JXUHRQWKHULJKW
Removal procedure
1) Insert a screwdriver deeply into the holes.
2) Pry off the right and left arm holders by moving the screwdriver down and towards
the back wall.
3) Remove the safety string from the upper center of the panel assembly.
Installation procedure
1) Install the panel assembly following the removal
procedure in reverse.
2) Be sure to press the positions as indicated by the
arrows in order to attach the assembly completely to
the unit.
2
3
1
Hold the panel with your hand while
detaching it to avoid injury.
CAUTION
7. CONNECTING THE INTERFACE/CONNECTOR CABLE TO THE AIR CONDITIONER
Fix the connecting cable at the prescribed position securely. Incorrect installation
PD\FDXVHHOHFWULFVKRFN¿UHDQGRUPDOIXQFWLRQ
WARNING
• Connect the INTERFACE/CONNECTOR CABLE to the indoor control P.C. board of the air conditioner with a connecting cable.
• Cutting or extending the connecting cable of the INTERFACE/CONNECTOR CABLE results in defects in connecting.
Do not bundle the connecting cable together with power supply cord, indoor/outdoor connecting wire, and/or earth wire. Keep as much distance as possible between the con-
necting cable and those wires.
• The thin part of the connecting cable should be stored and placed where customers cannot touch it.
1
Remove the panel and the lower right corner box.
2
Open the covers of the indoor control P.C. board.
3
Join the connecting cable to CN105 and/or CN104 on the indoor control P.C. board.
3DVVWKHWKLQSDUWRIWKHFRQQHFWLQJFDEOHWKURXJKWKHULEDVVKRZQLQWKH¿JXUH
4
Attach the cable clamp provided with Interface to the thick part of the connecting cable with a screw 4×16 as shown in the
¿JXUH
3DVVWKHFRQQHFWLQJFDEOHWKURXJKWKHULEDVVKRZQLQWKH¿JXUH
5
Close the covers of the indoor control P.C. board. Be careful not to catch the thin part of the connecting cable in the cover.
Reinstall the panel and the lower right corner box.
Connecting
Thick part of the connecting cable
Air conditioner
Thin part of the connecting cable.
Place this part where customers cannot touch it.
Indoor control
P.C. board
CN105 for INTERFACE
CN104 for CONNECTOR CABLE
