14 Technical data
Installer reference guide
97
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1 – 2015.01
A3P
*
Solar pump station PCB
A3P
*
On/OFF thermostat (PC=power circuit)
A3P
*
Heat pump convector
A4P
*
Digital I/O PCB
A4P
*
Receiver PCB (Wireless On/OFF
thermostat)
A8P
*
Demand PCB
B1L
Flow sensor
BSK
*
Solar pump station relay
DS1(A8P)
*
DIP switch
E1H
Backup heater element (1 kW)
E2H
Backup heater element (2 kW)
E3H
Backup heater element (3 kW)
E4H
*
Booster heater (3 kW)
F1B
Overcurrent fuse backup heater
F2B
*
Overcurrent fuse booster heater
F1T
Thermal fuse backup heater
F1U, F2U
*
Fuse 5 A 250 V for digital I/O PCB
FU1
Fuse T 6.3 A 250 V for PCB
PHC1
*
Optocoupler input circuit
K1M, K2M
Contactor backup heater
K3M
*
Contactor booster heater
K5M
Safety contactor backup heater (only for
*9W)
K*R
Relay on PCB
M1P
Main supply pump
M2P
#
Domestic hot water pump
M2S
#
2-way valve for cooling mode
M3S
(*) 3-way valve for floor heating/domestic hot
water
Q1DI, Q2DI
#
Earth leakage circuit breaker
Q1L
Thermal protector backup heater
Q2L
*
Thermal protector booster heater
R1T
Outlet water heat exchanger thermistor
R1T (A2P)
Ambient sensor user interface
R1T (A3P)
*
Ambient sensor On/OFF thermostat
R2T
Outlet backup heater thermistor
R2T
*
External sensor (floor or ambient)
R3T
Refrigerant liquid side thermistor
R4T
Inlet water thermistor
R5T
(*) Domestic hot water thermistor
R6T
*
External indoor or outdoor ambient
thermistor
R1H (A3P)
*
Humidity sensor
S1S
#
Preferential kWh rate power supply contact
S2S
#
Electrical meter pulse input 1
S3S
#
Electrical meter pulse input 2
S6S~S9S
#
Digital power limitation inputs
SS1 (A4P)
*
Selector switch
TR1
Power supply transformer
X*M
Terminal strip
X*Y
Connector
* =
Optional
(*) =
Optional for RHBH/X
# =
Field supply
BLK
Black
BRN
Brown
GRY
Grey
RED
Red
Notes to go through before starting the unit
English
Translation
X1M
Main terminal
X2M
Field wiring terminal for AC
X5M
Field wiring terminal for DC
X6M, X7M
Backup heater terminal
X4M
Booster heater terminal
Earth wiring
15
Wire number 15
Field supply
**
/12.2
Connection ** continues on page
12 column 2
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
