Fujitsu Waterstage WOYG112LCTA Maintenance Document page 37

Air to Water Heat Pump (Split integrated DHW type)
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, * If the control device does not provide a potential-free contact,
the the contact contact must must be be relayed relayed
In all cases, please refer to the instruction manuals for the external In all cases, please refer to the instruction manuals for the external
components (load shedder, power meters) to create the wiring. components (load shedder, power meters) to create the wiring.
** Option ** Option
T75 : The connection of terminal 3 of the room control unit T75 is The connection of terminal 3 of the room control unit is not
mandatory (lighting of the room control unit. not mandatory (lighting of the room control unit.
figure 42 - Connections to the heat pump regulator (accessories and options)
Installation and operating manual "1768 - EN"
(peak day removal)
day / night
External fault
L
to to create create equivalent equivalent wiring. wiring.
EX1
X11
EX2
EX3
X86 X84
1 M B9
5 6 4 5 6 4 5 6
2 1 3 2 1 3 2
or or
** Room
thermostat
** Room ** Room control
T55
control unit unit radio
T75 T78
Outdoor
sensor
1
or
** Room
thermostat
radio T58
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