3-26
Control of VRF SYSTEM
2. Instrallation Instractions
6
(EN)
Installation Precautions
Installation location
5 mm or more
50 mm or
more
1 to 1.5 m
Floor
z Install at the height of 1 to 1.5 m from
the À oor (Location where average
room temperature can be detected).
z Install vertically against the À oor.
z When installing more than 1 remote
controller next to each other, keep
distance of 5 mm on the right and left
and 50 mm on top and bottom.
z Avoid the following locations for
installation.
• By the window, etc. exposed to
direct sunlight or direct air
• In the shadow or backside of objects
deviated from the room airÀ ow.
• Location where condensation
occurs (The remote controller is not
moisture proof or drip proof.)
• Location near heat source
• Uneven surface
z Keep distance of 1 m or more from
the TV, radio and PC. (Cause of fuzzy
images or noise)
Remote control wiring
Wiring diagram
1
2
R1
R2
Indoor unit
Terminals for RC wiring
RC
RC wiring (¿ eld supply)
• No polarity
Type of wiring
z Use cables of 0.5 to 1.25 mm
2
.
Total wire length: 500 m or less
(The wire length between indoor units
should be 200 m or less.)
Number of connectable units
Remote controller: Max. 2
Indoor unit: Max. 8
Attention
z Be careful not to connect cables
to other terminals of indoor
units (e.g. power source wiring
terminal). Malfunction may occur.
z Do not bundle together with the
power source wiring or store in
the same metal tube. Operation
error may occur.
z If noise is induced to the unit
power supply, attach a noise ¿ lter.
業務用リモコンCZ-RTC3据付書En.indd6 2014/01/2414:25:05
7
(EN)
*Wiring as shown below is prohibited.
R1 R2
R1 R2 12
R1 R2
12 12
RC
Indoor unit Indoor unit
Indoor unit
RC
RC wiring
RC
When setting both the main and sub remote controllers
After installation, set one remote controller to [
Main] and the other to [Sub] for [Main/
sub]
for “Setting” (P.12).
When using the remote controllers* in combination, set this uni
t to [Main].
*CZ-RTC2, CZ-RE2C2, CZ-RELC2
Using 1 indoor unit
12 12
R1 R2
RC wiring
(¿ eld supply)
• No polarity
Terminals for RC wiring
RC (main) RC (sub)
Indoor unit
Using more than 1 indoor unit or heat exchange ventilation unit
12
12
R1 R2 R1 R2 R1 R2 R1 R2
RC (main) RC (sub)
RC wiring (¿ eld supply)
• No polarity
Terminals for
RC wiring
Indoor unit Indoor unit Indoor unit Indoor unit
Note
z Remote controllers can be connected to any indoor unit for operation.
ENGLISH
業務用リモコンCZ-RTC3据付書En.indd7 2014/01/2414:25:05
TD831172-00VRFSYSINDOOR.indb26TD831172-00VRFSYSINDOOR.indb26 2014/06/1316:54:482014/06/1316:54:48