EPH Controls CR22_PU Product information

Type
Product information
CR221PU / CR222PU / CR228PU
S Plan Hardwired Unvented Pack Wiring Diagram
Page 1 of 1
Components:
1 x 2 Channel Programmer
1 x 2 Port Motorised Valve
1 x Room Thermostat
1 x Wiring Centre
SPUR FUSED @ 3A R27-HW
Programmer
WIRING CENTRE
PUMP
BOILER
N L
12 4
CM2 HEATING VALVE
N L 1 2
1 2 4 8
3 4
HW
ON
HTG
ON
Room Thermostat
9
3
5
10
1
BROWN
BLUE
ORANGE
GREY
EARTH
N
L
1
3
10
2
1COM
N/O
8
9
N
L
1
3
10
123456789101112
N N L L
HTG
ON
ROOM
STAT
N/O
GREY
CORE OF
VALVES
ROOM
STAT
COM
230V TO
BOILER
& PUMP
BLUE
CORE
HEATING
VALVE
ORANGE
CORE
HEATING
VALVE
BROWN
CORE
ZV2
CAUTION!
Consult the boiler installation
instructions before wiring!
Boiler manufacturers wiring schematics may vary:
A permanent power supply may be required
An overrun function may be required
A volt-free signal from the motorised valves
limit switches may be required
EPH Controls Ireland
[email protected] www.ephcontrols.com
EPH Controls UK
[email protected] www.ephcontrols.co.uk
20220916_C00P-2_2901_WD_PK
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EPH Controls CR22_PU Product information

Type
Product information

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