Configuration 1, 2, 5 Or 7; Hydraulic Connections; Electrical Connections; Parametering The Setting - Fujitsu UTW-SCBYA Installation And Operating Manual

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4 1

Configuration 1, 2, 5 or 7 :

Parameter 5700
Configuration 1 : 1 heating circuit (see
Configuration 2 : 1 heating circuit and DHW tank (see
Configuration 5 : Boiler connection and 1 heating circuit (see
Configuration 7 : Boiler connection, 1 heating circuit and DHW tank (see
- DHW tank control (with electrical back-up) requires
the use of the DHW kit.
- The management of a boiler is required to install a
boiler connection kit.

4 1 1 Hydraulic connections

" In the case of a mixed DHW tank
• Install the distribution valve on the heating circuit.
" in the case of a boiler connection
• Removing the boiler's circulation pump.
• For boilers where the heating system's circulation
pump has not been removed, a disconnection bottle
must be installed.
• Install the elements from the boiler connection kit.

4 1 2 Electrical connections

• 1 - Supply of the heat pump.
• 2 - Interconnection between the heat pump and the
control box.
• 4 - Outdoor sensor.
• 5 - Room thermostat and/or room control unit (option).
" In the case of a mixed DHW tank
Please
refer
to
the
the DHW kit.
• 7 - Distribution valve.
• 8 - DHW sensor.
• 9 - Resistance of the back-up unit.
• 10 - Electrical supply of DHW back-up. Maximal
current of DHW back-up is 20 A.
Installation and operating manual "1395 - EN"
page
30).
instructions
supplied
page
31).
page
32).
page
" In case of a boiler connection
• 15 - Distribution valve (deviation boiler).
• 16 - Boiler supply (or if used with room thermostat,
connect a relay of control boiler).
• 17 - Connect the boiler flow sensor to the connector
(instead of the existing sensor).
" In the case of a heated floor
Heated floor thermal safety fuse.
• 20 - The installer is responsible for connecting the
heated floor's safety system. Thermal safety will stop
the heat pump if the temperature in the floor is too
high. Please refer to section "Electrical connections".

4 1 3 Parametering the setting

• Adjust the configuration : 1, 2, 5 or 7, line 5700
• Adjust the DHW programme (line 1610 to 1661).
• Adjust the heating curve slope (line 720).
with

4 1 4 Special cases

Please consult us regarding any other installation
configuration.
33).
Control Box
- 29 -

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