Electrical Connections On The Hydraulic Unit Side - Fujitsu 112 Installation And Operating Manual

Heat pump split single service 3 phase
2 9 6 Electrical connections
on the hydraulic unit side
Access to the connection terminals.
- Remove the front panel (2 screws)
(figure 14, page 15).
- Remove the cover of the electric box.
- Make the connections in accordance with the
diagram(s) figure 37, page
Interface card
Heat pump regulator
Cable grommet (Sensors)
Terminal blocks
" Ensure that the general electrical power supply has been cut off before starting any repair work
" The rearmament of safety thermostat should be done by a professional
Installation and operating manual "1364 - EN"
26.
Figure 35 - Access to hydraulic unit electric box and description
Safety thermostat
Figure 36 - Access to reset the safety thermostat
Do not place the sensor lines and the sector supply
lines in parallel in order to avoid causing inadvertent
interference due to voltage points in the sector supply.
Ensure that all the electrical cables are housed in
the spaces provided for this purpose inside the lifting
handles.
Rearmament
Safety thermostat
Power relay
(Electrical back-ups)
Cable grommet (Power)
Power relay
(DHW)
A1 B1
B2
A2
B3
A3
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