- (CS01 - 75) -
Control system
- (CS01 - 75) -
C
O
N
T
R
O
L
SY
S
T
E
M
C
O
N
T
R
O
L
SY
S
T
E
M
CONNECTION TERMINALS
Heat pump regulator RVS213827
z
Low voltage Main voltage
Terminal
Use
Terminal
Use
X75
M
GND (common with interface PCB)
X10
L
Power supply
DI7
HP error
Earth
DI6
Defrost
N
Uref
Compressor modulation
X11
EX1
Power shedding
UX3
EX2
Peak time / off-peak times
D3
HP operation ON/OFF
EX3
External fault
DO2 HP operation mode(HEAT/COOL)
X12
QX1
Circulation pump(*1)
X80
BX1
Flow sensor
N
M
Common
X13
QX2
Back-up HTR 1
or Distribution valve for boiler
(Single phase model)
BX2
Return sensor
QX2
(inverted)
X82
UX1
(Not used)
M
N
X84
BX3
DHW sensor
X14
FX3
Back-up HTR 2
or Boiler control (ON/OFF)
(Single phase model)
M
QX3
BX4
Outdoor sensor
X15
QX4
Distribution valve for DHW
M
QX4
(inverted)
X86
1
Room thermostat or
Remote control
2
N
3
QX5
Back-up HTR for DHW
B1
Room thermostat
N
M
B2
X30
(Not used)
X50
User interface
X60
RF module
X70
LPB clip
X100
Regulation extension kit (UTW-KREXD)
Remark:
Colored items are for options.
(*1) If the 2nd circuit kit are installed in the system, this circulation pump is assigned for higher temperature circuit.
Regulation extension kit (UTW-KREXD)
z
Low voltage Main voltage
Terminal
Use
Terminal
Use
X150
1
Room thermostat or
Remote control
for lower temperature circuit
X10
L
Power supply
2
Earth
3
N
B1
X110
QX31
Mixing valve for 2nd circuit
or Pilot wire(*3)
M
QX32
B2
N
X152
H33
External input (*2)
QX33
Circulation pump for
lower temperature circuit
M
N
X153
BX31
Flow sensor for lower
temperature circuit
X112
QX34
(Not used)
M
N
X154
BX32
(Not used)
QX35
Distribution valve for swimming pool
M
QX35
(inverted)
BX33
M
N
BX34
Swimming pool temperature sensor
M
X100
Heat pump regulator
Remark:
(*2) Input H33 can be applied to one of several functions.(See "Input H33 function"for detail.)
(*3) See "Regulation extension kit AVS 55" manual for detail.
