2. EPH Controls
  3. CR2_PRF

EPH Controls CR2_PRF Product information

  • Hello! I'm your chat assistant. I've reviewed the wiring diagram for the EPH Controls CR22PRF / CR28PRF Y Plan Wireless Pack. This document outlines the components of the pack, such as the wireless programmer, motorised valve, and thermostats, along with the wiring connections and important cautions. I'm ready to answer your questions about the wiring process or the included components.
  • What should I consult before wiring?
    What components are included in the wireless pack?
    What might be required for boiler wiring?
CR22PRF / CR28PRF
Y Plan Wireless Pack Wiring Diagram
Page 1 of 1
Components:
1 x 2 Channel Wireless Programmer
1 x 3 Port Motorised Valve
1 x Wireless Room Thermostat
1 x Wireless Cylinder Thermostat
1 x Wiring Centre
EPH Controls Ireland
[email protected] www.ephcontrols.com
EPH Controls UK
[email protected] www.ephcontrols.co.uk
2023-05-05_CR2_PRF_WD_PK
SPUR FUSED @ 3A R27-RF
Wireless Programmer
WIRING CENTRE
PUMP
BOILER
N L
12 4
MOTORISED VALVE
6
3
8
5
1
ORANGE
BLUE
GREY
WHITE
EARTH
N
L
1
3
7
N
L
1
3
7
123456789101112
CH
ON
N N L
LIVE TO
BOILER
& PUMP
HW
ON
HW
OFF
BLUE
CORE
WHITE
CORE
ORANGE
CORE
GREY
CORE
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
RFC
Cylinder Thermostat
RFR
Room Thermostat
N L 1 2
1 2 4 8 6 5
3 4
HW
ON
HW
OFF
HTG
ON
/