Wiring Diagram: Outdoor Unit; Wiring Diagram: Indoor Unit - Rotex RHBH04CB3V Installer's Reference Manual

14 Technical data
14.3

Wiring diagram: Outdoor unit

See the internal wiring diagram supplied with the unit (on the inside of the top plate). The abbreviations used are listed below.
C110~C112 Capacitor
DB1, DB2, DB401 Rectifier bridge
DC_N1, DC_N2 Connector
DC_P1, DC_P2 Connector
DCP1, DCP2, Connector
DCM1, DCM2 Connector
DP1, DP2 Connector
E1, E2 Connector
E1H Drain pan heater
FU1~FU5 Fuse
HL1, HL2, HL402 Connector
HN1, HN2, HN402 Connector
IPM1 Intelligent power module
L Live
LED 1~LED 4 Indication lamps
LED A, LED B Pilot lamp
M1C Compressor motor
M1F Fan motor
MR30, MR306, Magnetic relay
MR307, MR4
MRM10, MRM20 Magnetic relay
MR30_A, MR30_B Connector
N Neutral
PCB1 Printed circuit board (main)
PCB2 Printed circuit board (inverter)
PCB3 Printed circuit board (service)
Q1DI Earth leakage circuit breaker
Q1L Overload protector
R1T Thermistor (discharge)
R2T Thermistor (heat exchanger)
R3T Thermistor (air)
14.4

Wiring diagram: Indoor unit

See the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The abbreviations used are listed
below.
Notes to go through before starting the unit
English
Notes to go through before
starting the unit
X1M
X2M
X5M
X6M, X7M
X4M
15
** /12.2
1
Installer reference guide
86
Translation
Notes to go through before
starting the unit
Main terminal
Field wiring terminal for AC
Field wiring terminal for DC
Backup heater terminal
Booster heater terminal
Earth wiring
Wire number 15
Field supply
Connection ** continues on page
12 column 2
Several wiring possibilities
Option
S1NPH Pressure sensor
S1PH High pressure switch
S2~S503 Connector
SA1 Surge arrestor
SHEET METAL Terminal strip on fixed plate
SW1, SW3 Push buttons
SW2, SW5 DIP switches
U Connector
V Connector
V2, V3, V401 Varistor
W Connector
X11A, X12A Connector
X1M, X2M Terminal strip
Y1E Electronic expansion valve coil
Y1R Reversing solenoid valve coil
Z1C~Z4C Ferrite core
Field wiring
Terminal strip
Connector
Terminal
Protective earth
BLK Black
BLU Blue
BRN Brown
GRN Green
ORG Orange
PPL Purple
RED Red
WHT White
YLW Yellow
English
Backup heater configuration
(only for *9W)
3V3 (1N~, 230 V, 3 kW)
6V3 (1N~, 230 V, 6 kW)
6WN (3N~, 400 V, 6 kW)
9WN (3N~, 400 V, 9 kW)
6T1 (3~, 230 V, 6 kW)
User installed options
Bottom plate heater
Domestic hot water tank
Domestic hot water tank with
solar connection
Translation
Not mounted in switch box
Wiring depending on model
PCB
Backup heater configuration
(only for *9W)
3V3 (1N~, 230 V, 3 kW)
6V3 (1N~, 230 V, 6 kW)
6WN (3N~, 400 V, 6 kW)
9WN (3N~, 400 V, 9 kW)
6T1 (3~, 230 V, 6 kW)
User installed options
Bottom plate heater
Domestic hot water tank
Domestic hot water tank with
solar connection
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1C – 2017.04