Gas Leak Test; Selector Switch - Carrier 42NQ024 Installation Manual

Stripping length of the connecting cable
Terminal block
L
Terminal screw
Cord clamp
Power supply cord
L N
60
Power supply cord

Gas Leak Test

B
Valve stem cap connection
• Check the fl are nut connections, valve stem cap connections and service
port cap connection for gas leak with a leak detection or soap water.
Setting of Remote Control

Selector Switch

When two indoor units are installed in the separated rooms, it is not
necessary to change the selector switches.
Remote control selector switch
• When two indoor units are installed in the same room or adjacent two
rooms, if operating a unit, two units may receive the remote control
signal simultaneously and operate. In this case, the operation can
be preserved by setting either one indoor unit or remote control to B
setting. (Both are set to A setting in factory shipment.)
• The remote control signal is not received when the settings of indoor
unit and remote control are different.
• There is no relation between A setting/B setting and A room/B room
when connecting the piping and cables.
1110651131 (01_EN).indd 8 1110651131 (01_EN).indd 8
N 1 2 3
Earth line
Screw
Cord clamp
Connecting cable
1 2 3
100
80
70
Earth line
Connecting cable
Flare nut connections
(Indoor unit)
Flare nut connections
(Outdoor unit)
A
Valve stem cap connection
Service port cap connection
Model
Power source
Maximum running current
Plug socket & fuse rating
Power cord
CAUTION
• Wrong wiring connection may cause some electrical parts burn out.
• Be sure to comply with local rule on running the wire from indoor unit
to outdoor unit (size of wire and wiring method, etc.).
• Every wire must be connected fi rmly.
• If incorrect or incomplete wiring is carried out, it will cause an ignition
or smoke.
• Prepare the power supply for exclusive use with the air conditioner.
• This product can be connected to the mains.
Connection to fi xed wiring : A switch which disconnects all poles and
has a contact separation of at least 3 mm must be incorporated in the
fi xed wiring.
NOTE
: Connecting cable
• Wire type : More than 1.5 mm
(AWG-16)
OTHERS OTHERS
Remote Control A-B Selection
To separate using of remote control for each indoor unit in case of 2 air
conditioners are installed near.
Remote Control B Setup.
1. Press RESET button on the indoor unit to turn the air conditioner ON.
2. Point the remote control at the indoor unit.
3. Push and hold [CHK] button on the Remote Control by the tip of the
pencil. "00" will be shown on the display.
4. Press [MODE] during pushing [CHK]. "B" will show on the display and
"00" will disappeared and the air conditioner will turn OFF. The Remote
Control B is memorized.
Note : 1. Repeat above step to reset Remote Control to be A.
2. Remote Control A have not "A" display.
3. Default setting of Remote Control from factory is A.
MODE
AUTO
COOL
DRY
HEAT
7
18 Class 24 Class
50Hz, 220 – 240 V Single phase
16A 18A
20A 20A
4 mm 2 (H07RN-F or 245 IEC66)
or 3.5 mm 2 (AWG-12)
2 (H07RN-F or 245 IEC66) or 1.3 mm
TEMP. FAN
AUTO
QUIET
B
B
TEMP.
2
2/2/09 11:15:11 AM 2/2/09 11:15:11 AM