EPH Controls CP4

Manuals and User Guides for EPH Controls CP4. We found 4 manuals for free downloads Instructions, Installation manual, User manual

Below you will find brief information for CP4 RFRP-OT, CP4 RF1A. This guide covers installation, programming, and operation of the programmable RF thermostat and wireless receiver, including features like frost protection, boost mode, holiday settings, and OpenTherm boiler control.

Key Features

  • Programmable RF thermostat with 5/2, 7-day, 24-hour modes

  • Wireless connection to RF1A receiver (up to 20m range)

  • Frost protection (5°C) and holiday mode

  • Boost function (30min-3h) and temporary/permanent override

  • OpenTherm compatibility for boiler control

  • Backlight mode (auto/off) and battery low warning

  • Installer menu for calibration, hysteresis, and OpenTherm parameters

Pages: 56 EPH Controls CP4 Instructions

Brand: EPH Controls Category: Thermostats Size: 2 MB

Languages: English

Open manual

Other manuals and documents

56 Pages

Installation manual

Languages: English

56 Pages

Instructions

Languages: English

2 Pages

User manual

Languages: English

Frequently Answers and Questions

How do I reset the thermostat?

Press the reset button on the side, then press OK when 'rst yes' appears on the screen.

What is the frost protection temperature?

The built-in frost protection is fixed at 5°C, activated in OFF mode when room temperature drops below 5°C.

How do I connect the thermostat to the receiver?

Press the Connect button on the receiver (red light flashes), then press the wireless connect button on the thermostat.

What programming modes are available?

5/2 Day (Mon-Fri/Sat-Sun), 7 Day (individual days), and 24 Hour (same schedule daily).

How do I set the date and time?

Press the PROG button, adjust year/month/day/hour/minute with up/down buttons, press OK after each.

Questions & Answers

2026-06-06

M M H

How to operate the heating and adjust temperature settings?

The heating can be controlled through several modes: AUTO mode follows a programmed schedule, Manual mode (MAN) allows for immediate temperature adjustments, and the BOOST function turns the heating on for a set duration of 30 minutes to 3 hours.

2026-06-06

M M H

How to operate and control the heating system?

The heating can be managed using AUTO mode for scheduled operations, the MAN button for manual temperature control, or the +/- buttons for temporary adjustments. Additionally, the BOOST function allows the heating to be turned on for a set duration of 30 minutes to 3 hours.

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