Technical data

16
GEMINI HSC
12.0 control
panel
A Control Panel Fixing Point
B Electrical Connection Terminal Rail
C Control Panel Moulding
D Thermometer
E Combined Control & Limit Thermostat
F Summer/Winter Switch
Summer setting gives operation via immersion
heater (optional extra) if fitted.
A
13.0 wiring
detail
B
C
D
E
F
Primary Divertor
Valve (as required)
2 Port Spring Return
Motorised Valve
(unvented system)
Supply
230V
1 Phase
C
R2
K
M2
L1 L2 L3
M1
GH I K
L3N4
M1
M2
56789101112131415
Primary Pump
(as required)
N
C
lo
se
O
p
e
n
3 ~ 415V
TL ~
Re
A
B3
3
6
5
4
2
2
1
1
1
56
8
74 23
TL ~ - Combined
Control &
Limit thermostat
- Summer/Winter
(Immersion Htr/Boiler)
Switch
Re - Relay
R/R2 - Immersion Heater
C - Terminal Rail
K - 3phase Contactor -
By others.
electrical connection detail all models
Important Note
Any auxillary component connected to the
calorifier (eg. motorised valve or pump) will need to
be fuse protected as appropriate when the
electrical supply into the calorifier is fuse rated for
immersion heater usage.
Fig 9.
Fig 10.
R