7 Installation
Installer reference guide
44
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1C – 2017.04
X2M
X5M
78910
S2S S3S
2
Fix the cable with cable ties to the cable tie mountings.
7.9.12
To connect the domestic hot water pump
1
Connect the domestic hot water pump cable to the appropriate
terminals as shown in the illustration below.
X2M
35
34
1~
M
M2P
2
Fix the cable with cable ties to the cable tie mountings.
7.9.13
To connect the alarm output
1
Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.
X1M
X2M
29
X1M
YC
Y1
Y2
Y3
Y4
A4P
X2M
a
a
Installation of EKRP1HB is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.9.14
To connect the space cooling/heating ON/
OFF output
1
Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
X1M
X2M
29
X1M
YC
Y1
Y2
Y3
Y4
A4P
X2M
a
a
Installation of EKRP1HB is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.9.15
To connect the changeover to external
heat source
1
Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
X1M
X1M
X3 X4
A4P
L N
X2M
X1 X2
a
a
Installation of EKRP1HB is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.9.16
To connect the power consumption digital
inputs
1
Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
X1M
X2M
1
23
4
5
A8P
X801M
S6S
S7S
S8S
S9S
a
a
Installation of EKRP1AHTA is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.9.17
To connect the safety thermostat (normal
closed contact)
1
Connect the safety thermostat (normal closed) cable to the
appropriate terminals as shown in the illustration below.
