Fujitsu Waterstage WOYA060LFCA Installation And Operating Manual page 42

Air to Water Heat Pump, split system
Hydraulic unit
Hydraulic unit
4
1 2 3
1 2 3 4 5
External component
contact *
Interconnection between
the outdoor unit and the hydraulic unit
Power shedding or EJP
Tariffs, peak times/off-peak times,
External component
contact*
(faults, load
shedder, power meter)
* If the control device does not provide a potential-free contact,
the contact must be relayed
In all cases, please refer to the instruction manuals for the external
components (load shedder, power meters) to create the wiring.
** Option
T75 : The connection of terminal 3 of the room control unit T75 is
not mandatory (lighting of the room control unit.
figure 34 - Connections to the heat pump regulator (accessories and options)
- 42 -
5 6
6
External component
contact *
N
L
Electrical back-up
supply 230 V
single phase
figure 33 - Connection to terminal block and power relays
(peak day removal)
day / night
External fault
L
to create equivalent
Green / yellow
Brown
Blue
Green / yellow
Red
Brown
Interconnection
between outdoor unit and
Blue
the hydraulic unit
Red
EX1
X11
EX2
EX3
X86
1
5 6 4 5
2 1 3 2
or
wiring. ** Room
thermostat
** Room
T55
control unit
T75
Outdoor unit
Outdoor unit single phase
L N
Electricity supply
L N
230 V
Electricity supply
230 V single phase
X84
M B9
Outdoor
6 4 5 6
sensor
1 3 2 1
or or
** Room
thermostat
** Room control
radio T58
unit radio
T78
Installation and operation manual "1764 - EN"