EPH Controls Programmable Room Thermostat - White - CP4B
This battery operated digital programmable room thermostat is suitable for controlling 1 heating z...This battery operated digital programmable room thermostat is suitable for controlling 1 heating zone. It features OpenTherm®, Optimum Start, TPI and On/Off control modes. It is Boiler Plus Compliant. Features & Benefits: Programmable Stat. Requires only 2 switching cables. Power Supply: Battery Powered by 2 x AA Batteries. Switch Rating: 8(3.5)A. Contact Type: SPDT. Temp Range: 5-35˚C. IP Rating: IP20. Adjustable Switching Differential: 0...1.0˚C.
This guide is for users of the EPH Controls Programmable Room Thermostat (CP4B). It helps you understand the thermostat's features and how to use it effectively to control your heating. The CP4B offers programmable temperature control for a single heating zone. However, it requires a basic understanding of your heating system for proper installation and use.
All features
Colour
White
Model Part Number
CP4B
Brand
EPH Controls
Extended Product Information
FAQs
How do I change the temperature?
Use the up and down arrow buttons on the thermostat to adjust the desired temperature.
How do I program the thermostat?
Follow the programming instructions in the user manual. You can set different temperatures for different times of the day and days of the week.
What batteries does the thermostat use?
The thermostat uses 2 x AA batteries.
What is OpenTherm?
OpenTherm is a communication protocol that allows the thermostat to modulate the boiler's output for increased efficiency. Your boiler must support OpenTherm for this feature to work.
How do I reset the thermostat?
Consult the user manual for specific reset instructions. This typically involves pressing and holding specific buttons.
What does TPI mean?
TPI (Time Proportional & Integral) control is a control mode that helps to maintain a stable temperature with minimal overshoot and undershoot.
What is the IP rating?
The IP rating is IP20, meaning it's protected against solid objects but not against water ingress.
Troubleshooting
Thermostat not turning on.
Check the battery connections and replace the batteries if needed.
Heating system not responding.
Verify the wiring connections between the thermostat and the boiler. Check boiler settings.
Inaccurate temperature readings.
Ensure the thermostat is not located in a drafty area or near heat sources. Calibrate if needed, as per the user manual.
Programming not saving.
Ensure batteries are new and properly installed. Review the programming steps in the manual and try again.
Pros and Cons
Pros
Easy to program and set up.
Battery-powered design simplifies installation.
Offers various control modes for efficient energy use.
Boiler Plus Compliant, ensuring energy efficiency.
Provides precise temperature control within the specified range.
Cons
Requires 2 x AA batteries, which need periodic replacement.
Suitable for a single heating zone only.
Installation requires basic wiring knowledge.
Limited to a specific temperature range (5-35°C).
Setup, Compatibility & Care
Setup:
Installation: Requires connecting the thermostat to your boiler using the correct wiring configuration. Consult the product's wiring diagram.
Battery Insertion: Install 2 x AA batteries, ensuring correct polarity.
Programming: Follow the on-screen instructions to set the time, day, and desired temperature profiles.
Compatibility:
Compatible with most modern boilers.
Ensure your boiler is compatible with OpenTherm if you intend to use that feature.
Suitable for use in domestic properties with a single heating zone.
Care:
Wipe the thermostat with a soft, dry cloth. Do not use cleaning agents.
Replace batteries when the low battery indicator appears.
Avoid placing the thermostat in direct sunlight or near heat sources.