442513_1543_EN_8
24/03/2021
INSTALLATION
2nd circuit kit
Code UTW-KZS*E
For heat pump, Split 1 service
Intended for the professional technician. These must be kept safe for subsequent consultation
EN
- 2 -
►
Package
• 1 package: 2nd circuit kit.
On reception, before you fi t anything, it is essential
that you check the parts received and search for any
damage caused during transport.
►
Scope of application
The control of 2 heating circuits requires the installation
of the 2nd circuit and Regulation extension kit
(code 075311).
This corresponds to the preset confi gurations 2 and 4
on the heat pump’s hydraulic unit’s regulator (line 5700).
►
Expansion vessel
Reminder : The expansion vessel volume must be
calculated (it depending of the total volume installation).
Add an expansion vessel can be necessary.
►
Specifi cations
Power absorbed 126 W
Maximum operating pressure 3 bar
Supply voltage 230V - 50Hz
Flow/return diameter (male) 26 x 34 mm
Servomotor:
- Travel: 90°.
- Operating time for completely opening or closing the
valve: 4 min.
3 way mixing valve:
- Nominal diameter: 26x34 mm.
- KV type: 6.
fi g. 1 - Appliance devices
CC1
CC2
Legend:
1 Circulation pump CC2 (Direct heating circuit )
2 Non-return valve
3 Initial sensor
4 Circulation pump CC1 (Mixed heating circuit)
5 Mixer valve
Heat Pump
1
5
4
2
3
fi g. 2 - Hydraulic pressures and fl ow rates available
(Hydraulic unit + 2nd circuit kit)
0
1
2
3
4
5
6
7
8
mCE
1mba r=10mmC E= 100 Pa
m/h
3
1
1,5 20,50
I
II
III
0
1
2
3
4
5
6
7
8
mCE
1mba r=10mmC E= 100 Pa
m/h
3
1
1,5 20,50
I
II
III
Variable pressure
Constante pressure
Description of the equipment
2nd circuit kit / INSTALLATION / 1543 - EN
(code UTW-KRE*D).
- 3 -
1420 mini
1500 maxi
470
305
122
95
95
77
80
78 107
36,5
800
450
462
98
81
fi g. 3 - Dimensions in mm
(Hydraulic unit + 2nd circuit kit)
►
Fixing the second circuit
- Fix the support solidly to a fl at, hard-wearing wall (not
a light partition) ensuring that it is correctly levelled.
- Attaching the kit to its bracket.
►
Hydraulic connections
The connection must comply with good trade practice
according to local building regulations.
Tightening torque: 15 to 35 Nm.
The appliance must be connected to the installation
with union connectors and shut-off valves to facilitate
its removal.
Reminder: Seal everything when fi tting in accordance
with prevailing trade practice for plumbing work:
- Use suitable seals (fi bre seals, o-rings).
- Use Tefl on tape or hemp.
- Use sealing paste (synthetic depending on the case).
fi g. 4 - Fixing the casing (Optional 2nd circuit kit)
118mm
Support
module
hydraulique
538 mm
mini
418 mm
mini
300 mm
mini
350 mm
mini
188 mm
Support
kit 2
ème
circuit
800 mm
à
850 mm
470 mm
200 mm
mini
150 mm
mini
Hydraulic
unit support
2nd circuit
kit support
to
Installation instructions
2nd circuit kit / INSTALLATION / 1543 - EN
- 4 -
CC1
CC2
fi g. 5 - Installing the 2-circuit kit
►
Installing the 2-circuit kit
- Carry out the installation as shown on the following
fi gures:
(fi gure 5: only HP ; fi gure 6: HP + Boiler connection)
• 1 - Unplug the heating circulation pump. Remove the
heating circulation pump from the HP.
• 2 - Remove the heating return pipe.
• 3 - Install the heating return tube in the HP.
• 4 - Install the connecting hoses.
• 5 - Install the CC2 heating circulation pump (direct circuit).
• 6 - Install the new heating fl ow pipe.
1
2
3
4
5
6
With the 2-circuit kit, the circulation pump of the
hydraulic unit (CC)
1
should be positioned and
installed in the box of the 2-circuit kit (CC2)
5
.
The hoses can be stretched
4
to adapt their
length.
Refrigeration
connection duct
Electrical cable duct
2nd circuit kit / INSTALLATION / 1543 - EN
- 5 -
CC1
CC2
Boiler
Boiler
fi g. 6 - Installing the 2-circuit kit (HP + Boiler connection kit)
With the 2-circuit kit, the circulation pump of the
hydraulic unit (CC)
1
should be positioned and
installed in the box of the 2-circuit kit (CC2)
5
.
The hoses can be stretched
4
to adapt their
length.
1
2
3
4
5
6
Electrical cable duct
Refrigeration
connection duct
2nd circuit kit / INSTALLATION / 1543 - EN
- 6 -
►
Installing the extension board
- Please refer to the instructions for the extension
regulation kit (code 075311).
►
Electrical connections
Ensure that the general electrical power supply has
been cut off before starting any repair work.
The electrical installation must be conducted in
accordance with the prevailing regulations.
The electrical connections must only be made when all
the other fi tting operations have been completed (fi xing,
assembly, etc.).
Remark: In the case of a heated fl oor, connect the
fl oor heating safety device into the connector of
the fl oor heating pump (X110 - CC1: Mixed circuit,
X12 - CC2: Direct circuit).
- Make the following connections:
• Reconnect the heating circulation pump CC2 (Direct
circuit) (X12 / RVS board).
• 7 - Circulation pump CC1 (Mixed circuit ).
• 8 - Mixer valve.
• 9 - Initial sensor.
• 10 - Shunt on "M".
• 11 - Interconnection between RVS and AVS.
• 12 - Power supply AVS regulation board. Remove
the insulator of the AVS board’s power connector.
Connect the power connector to the AVS board.
Please refer to the instructions for the extension
regulation kit.
• 13 - Room thermostat or Room control unit.
• () - Apply the kit’s label on the inside of the hydraulic
unit’s front plate, over the wiring label.
►
Pre-utilization check
• Confi gure the parameter 5700 on a confi guration 2 or 4.
- Please refer to the manual provided with the HP.
fi g. 8 - Electrical connection on AVS 55 extension board
X10
L
N
BK
BN
BU
M
X110
X112
X152
X150
X153
X154
X100
Ou/
Or
B2
M
B1
3
2
1
C.C
M
Regulator power
supply (AVS)
Shunt
Room thermostat
or
Room control unit
Mixed circuit (CC1)
Mixer
valve
Mixed-circuit
heat pump (CC1)
Mixed-circuit
initial sensor (CC1)
Interconnection
between RVS and AVS
12
13
8
7
11
10
9
Colour code
BK Black
BN Brown
BU Blue
M
10
fi g. 7 - Non-return valves
Valve disengaged
(
Purging or fi lling position)
Valve disengaged
(
Purging or fi lling position)
Valve closed
(
Normal working setting)
Valve closed
(
Normal working setting)
2nd circuit kit / INSTALLATION / 1543 - EN
(code UTW-KRE*D).
- 8 -
Heating circulation pump speed settings
fi g. 9 - Display on the pump housing
fi g. 10 - Pump connection
fi g. 11 - Gas venting mode
fi g. 12 - Manual restart of the pump
fi g. 13 - Locking & unlocking pump settings
2
1
1sec 1sec
3sec
10min
500ms 500ms
500ms500ms 500ms
5sec
10min
8sec
1sec ON - 1sec OFF
250ms
LED Défaut
Affichage Mode
(Pression variable,
Pression constante,
Vitesse constante)
Bouton
Affichage Vitesse
(I, II, III)
Default LED
Mode Display
(Variable pressure,
Constant pressure,
Constant speed)
Button
Speed Display (I, II, III)
2nd circuit kit / INSTALLATION / 1543 - EN
- 9 -
Variable pressure
The circulation pump varies the water pressure depending on the fl ow rate.
Recommended for an installation fi tted with radiators (particularly any system with thermostatic valves or
zone solenoids).
Constant pressure
The circulation pump maintains a constant water pressure whatever the fl ow rate.
Recommended for an installation with constant pressure drops such as an underfl oor heating system.
Constant speed
The circulation pump maintains a constant water pressure whatever the fl ow rate.
Recommended for an installation with constant pressure drops such as an underfl oor heating system.
Default setting
Variable pressure ; speed III
1x...
2x...
3x...
4x...
5x...
6x...
7x...
9x...
8x...
H/m
Q/m
/h
3
H/m
Q/m
/h
3
H/m
Q/m
/h
3
fi g. 14 - Pump Settings
2nd circuit kit / INSTALLATION / 1543 - EN
- 10 -
Overall hydraulic layout
• Confi guration 2: 2 heating circuits
Legend :
AVS - Extension board, 2 circuits
CAR - Non-return valve
CC - Circulation pump HP
CCM - Mixed-circuit heat pump
K2c - 2nd circuit kit
PC - Floor heating system
R - Radiators
SA1 - Room thermostat circuit CC1 (option)
SA2 - Room thermostat circuit CC2 (option)
SDpM - Mixed circuit initial sensor
SE - Outdoor sensor
SP - Heated fl oor thermal safety fuse
VM - Mixer valve
SE
R
R
PC
OU
MH
M
CC
VM
CCM
K2c
SDpM
SP
CAR
CAR
AVS
SA2
SA1
Mixed circuit
(CC1)
OR
Direct circuit
(CC2)
SA2
SA1
2nd circuit kit / INSTALLATION / 1543 - EN
- 11 -
• Confi guration 2: 2 heating circuits & DHW tank
Legend :
AE - Electrical back-up
AVS - Extension board, 2 circuits
CAR - Non-return valve
CC - Circulation pump
CCM - Mixed-circuit heat pump
K2c - 2nd circuit kit
KR - Boiler connection kit
KS - DHW kit
MH - Hydraulic unit
PC - Floor heating system
R - Radiators
SA1 - Room thermostat circuit 1 (option)
SA2 - Room thermostat circuit 2 (option)
SDpM - Mixed circuit initial sensor
SSa - DHW sensor
SE - Outdoor sensor
TA - Boiler thermostat
SP - Heated fl oor thermal safety fuse
VD - Distribution valve
VDI - Distribution valve (deviation boiler)
VM - Mixer valve
SE
R
R
PC
OU
MH
M
CC
VM
CCM
K2c
SDpM
SP
CAR
CAR
AVS
SA2
SA1
AE
Ssa
M
B
A
AB
VD
KS
Mixed circuit
(CC1)
Direct circuit
(CC2)
SA2
SA1
OR
2nd circuit kit / INSTALLATION / 1543 - EN
- 12 -
• Confi guration 4: Boiler connection and 2 heating circuits
Legend :
AVS - Extension board, 2 circuits
BD - Disconnection bottle
CAR - Non-return valve
CAT - Anti-gravity feed valve
CC - Circulation pump HP
CCI - Heating system circulation pump built into the boiler
CCM - Mixed-circuit heat pump
K2c - 2nd circuit kit
KR - Boiler connection kit
MH - Hydraulic unit
PC - Floor heating system
R - Radiators
SA1 - Room thermostat CC1 (option)
SA2 - Room thermostat CC2 (option)
SDpM - Mixed circuit initial sensor
SDR - Boiler connection valve fl ow sensor
SE - Outdoor sensor
TA - Boiler thermostat
SP - Heated fl oor thermal safety fuse
VDI - Distribution valve (deviation boiler)
VM - Mixer valve
SE
R
R
PC
OU
MH
M
CC
VM
CCM
K2c
SDpM
SP
CAR
CAR
AVS
SA2
SA1
M
M
VDI
CCI
CCI
BD
CAT
A
D
SDp
A
A
B
B
AB
AB
VDI
KR
Mixed circuit
(CC1)
Direct circuit
(CC2)
SA2
SA1
Example
boiler unit
Example
boiler unit
OR
2nd circuit kit / INSTALLATION / 1543 - EN
- 13 -
• Confi guration 4: Boiler connection and 2 heating circuits & DHW tank
Legend :
AE - Electrical back-up
AVS - Extension board, 2 circuits
CAR - Non-return valve
CC - Circulation pump
CCM - Mixed-circuit heat pump
K2c - 2nd circuit kit
KR - Boiler connection kit
KS - DHW kit
MH - Hydraulic unit
PC - Floor heating system
R - Radiators
SA1 - Room thermostat circuit 1 (option)
SA2 - Room thermostat circuit 2 (option)
SDpM - Mixed circuit initial sensor
SDR - Boiler connection valve fl ow sensor
SSa - DHW sensor
SE - Outdoor sensor
TA - Boiler thermostat
SP - Heated fl oor thermal safety fuse
VD - Distribution valve
VDI - Distribution valve (deviation boiler)
VM - Mixer valve
SE
R
R
PC
OU
MH
M
CC
VM
CCM
K2c
SDpM
SP
CAR
CAR
AVS
SA2
SA1
AE
Ssa
M
B
A
AB
VD
KS
M
M
VDI
CCI
CCI
BD
CAT
A
D
SDp
A
A
B
B
AB
AB
VDI
KR
Mixed circuit
(CC1)
Direct circuit
(CC2)
SA2
SA1
Example
boiler unit
Example
boiler unit
OR
2nd circuit kit / INSTALLATION / 1543 - EN
- 14 -
Spare parts
When ordering spare parts, specify the appliance type and serial number, the name of the part and the part number.
Qty = Total quantity on the appliance.
Nr Code Designation . . . . . . . . . . . . . Type . . . . . . . .Qty
1 157312 Cable grommet . . . . . . . . . . . . . . . . . . . . . . . . 01
2 157326 Cable grommet . . . . . . . . . . . . . . . . . . . . . . . . 02
3 157311 Cable grommet . . . . . . . . . . . . . . . . . . . . . . . . 01
4 159200 Profi le . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,62 m
5 252808 Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
6 912464 Side panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02
7 134503 Stud bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04
8 970103 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
9 256119 Back frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
10 142303 Profi le . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,26 m
11 205826 Supplementary back plate . . . . . . . . . . . . . . . . 01
12 937286 Front plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
Nr Code Designation . . . . . . . . . . . . . . Type . . . . . . . .Qty
20 142734 Gasket . . . . . . . . . . . . . . . . . . .40x49 . . . . . . . . 03
21 142735 Gasket . . . . . . . . . . . . . . . . . . .26x34 . . . . . . . . 10
22 184100 Return pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
23 132232 Flexible . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02
24 184101 Return pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
25 110611 Collar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
26 110047 Clapet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
27 149001 Mamelon . . . . . . . . . . . . . . . . .26x34 . . . . . . . . 01
28 184078 Pipe of valve . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
29 110618 Collar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
31 188294 Mixing valve . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
32 184094 Flow pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
33 909909 Circulation pump . . . . . . . . . . . . . . . . . . . . . . . . 01
34 184097 Flow pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
35 909205 Flow sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
36 xxxxxx Circulation pump
...
(See the HP manual) . . . . . 01
37 184098 Flow pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01
38 110869 Connector . . . . . . . . . . . . . . .5 studs . . . . . . . . 01
39 110867 Connector . . . . . . . . . . . . . . .6 studs . . . . . . . . 01
40 110870 Connector . . . . . . . . . . . . . . .2 studs . . . . . . . . 01
41 109740 Sensor bundle . . . . . . . . . . . . . . . . . . . . . . . . . . 01
1
20
22
21
23
21
24
25
21
21
23
21
28
29
21
31
21
32
21
33
21
34
35
37
39
40
38
41
20
36
20
30
21
26
21
27
2
3
4
5
6
7
8
9
4
10
10
7
11
6
12
2nd circuit kit / INSTALLATION / 1543 - EN
Complies with:
- Low voltage directive 2014/35/UE, under standard NF EN 60335-1 et NF EN 60335-2-102.
--Electromagnetic compatibility Diretive 2014/30/UE
This appliance is marked with this symbol. This means that electrical and electronic products shall not be mixed with general household waste.
European Community countries(*), Norway, Iceland and Liechtenstein should have a dedicated collection system for these products.
Do not try to dismantle the system yourself as this could have harmful eff ects on your health and on the environment.
The dismantling and treatment of refrigerant, oil and other parts must be done by a qualifi ed installer in accordance with relevant local and national regulations.
This appliance must be treated at a specialized treatment facility for re-use, recycling and other forms of recovery and shall not be disposed of in the municipal waste stream.
Please contact the installer or local authority for more information.
* subject to the national law of each member state
Date of installation :
Contact of your heating technician or your after-sales service.
RC Dunkerque - Siren 440 555 886 - Subject to modifi cations without notice. Non contractual document.
Fujitsu General (Euro) GmbH
Fritz-Vomfelde-Strasse 26-32
40547 Düsseldorf - Germany
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