EPH CONTROLS CR4PU 4 Channel Hardwired Unvented Pack Owner’s Manual
- June 1, 2024
- EPH CONTROLS
Table of Contents
EPH CONTROLS CR4PU 4 Channel Hardwired Unvented Pack
Specifications
- Product Model: CR4PU / CR422PU / CR428PU
- Channels: 4
- Components: 1 x 4 Channel Programmer, 3 x 2 Port Motorised Valve, 3 x Room Thermostat, 1 x Wiring Centre
- Power Supply: Spur fused @ 3A
Product Usage Instructions
Wiring Instructions
Before starting the wiring process, consult the boiler installation
instructions as wiring schematics may vary amongmanufacturers. Ensure to
follow the below guidelines:
- 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.
Components Installation
Follow the wiring diagram provided to connect the components:
- Connect the 4 Channel Programmer to the appropriate terminals as indicated.
- Wire the 2 Port Motorised Valves to their respective terminals on the wiring centre.
- Connect the Room Thermostats to the designated terminals.
Safety Precautions
Ensure all wiring connections are secure and insulated properly to prevent
electrical hazards. Double-check all connections before powering on the
system.
Contact Information
If you encounter any issues during installation or usage, contact EPH
Controls for technical support using the provided contact details.
FAQ
-
Q: What should I do if the system does not power on after wiring?
A: Double-check all connections and ensure the power supply is connected correctly. If issues persist, contact EPH Controls for assistance. -
Q: Can I add additional components to this system?
A: It is recommended to consult with EPH Controls or a qualified technician before adding any extra components to ensure compatibility and proper functioning of the system.
CR4PU / CR422PU / CR428PU
4 Channel Hardwired Unvented Pack Wiring Diagram
Components
- 1 x 4 Channel Programmer
- 3 x 2 Port Motorised Valve
- 3 x Room Thermostat
- 1 x Wiring Centre
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
SPUR FUSED @ 3A
CM2
Room Thermostat (1)
CM2
Room Thermostat (2)
CM2
Room Thermostat (3)
R47V2
WIRING CENTRE
HEATING VALVE (ZV2)
HEATING VALVE (ZV3)
HEATING VALVE (ZV4)
EPH Controls Ireland
021 471 8440 Cork, T12 W665
technical@ephcontrols.com
www.ephcontrols.com
EPH Controls UK
01933 322 072 Harrow, HA1 1BD
technical@ephcontrols.co.uk
www.ephcontrols.co.uk
2024-03-20_CR42_PU_WD_PK
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