5
According your application, perform the wiring.
5a When connected to the indoor unit, wire the indoor unit and
the receiver as shown below.
RKHB(H/X)008
RKHB(H/X)016
H C L N
1 2 3 4
X1M
H C
com
H
Heating demand
C
Cooling demand
For heating-only applications, wire 17-C or 2-C is not to be
installed.
Use wire size 0.75~1.50 mm
5b When connected to the motorized valve, wire the motorized
valve and the receiver as shown below (for heating-only
applications).
1N~50 Hz
230 VAC
L
N
H C
X1M
com
The output relays (H and C are voltage-free contacts) can
handle a maximum load of 4 A - 230 VAC.
Installation manual
10
X2M
L N
X2M
RKRTR receiver
2
.
1N~50 Hz
230 VAC
L N
L N
X2M
RKRTR receiver
RKRTR + EKRTETS
Room thermostat
4PW50084-1