Fujitsu UTY-RVN*M Series Technical Manual page 9

51 WIRING DESIGN
SYSTEM DIAGRAM
„ „
1 remote controller
z „
Indoor unit
A
Remote controller
ELECTRICAL WIRING
„ „
1 remote controller
z „
Indoor unit
REMOTE
CONTROLLER
1 2 3
1 2 3
Remote controller
CONTROLLER COMBINATION
„ „
As for the combined usage of the controller, refer to following figures.
Good
z „
Indoor unit
UTY-RVNM UTY-RVNM UTY-RVNM
UTY-RVNYN UTY-RVNYN UTY-RVNYN
REMOTE CONTROLLER GROUP CONTROL
„ „
1 or 2-remote controllers can simultaneously control up to 16 indoor units.
Connection examples
z „
z 2 remote controllers
Indoor unit
B C
Secon-
Primary
dary
Remote controllers
z 2 remote controllers
Junction box
(field supply)
Indoor unit Indoor unit
SET TEMP. START/STOP
UTY-RNNM UTY-RVNM
UTY-RNNYN UTY-RVNYN
UTY-RNBYU
UTB-UD
- (OP005 - 08) -
A , B , C : Remote controller cable.
Indoor unit
REMOTE
CONTROLLER
1 2 3
1 2 3 1 2 3
Secondary
Primary
Remote controllers
z Prohibited
UTY-RSNM
Remote controller cable
1. 12V (Red)
2. Signal (White)
3. COM (Black)
Indoor unit
SET TEMP. START/STOP
UTY-RVNM UTB-UB
UTY-RVNYN