Fujitsu Airstage UTY-RSRY - Page 865

When connected to Dry contact terminals of multiple RB units with a connected unit, insulate
each RB unit with relay, etc. as shown on below example.
RB unitRB unitRB unit
Power supply for relay
Input device
K1 - K3 : Relay
(Device for DC Current)
P.C. B
P.C. B
P.C. B
K1
K2
K3
CNA
01
CNA
01
CNA
01
NOTE :
● If power is connected to dry contact on indoor units, damage will occur.
- (08 - 45) -
EXTERNAL INPUT & OUTPUT EXTERNAL INPUT & OUTPUT