Controlling An Opentherm Boiler With Multiple Combipack 4-Ot - EPH Controls COMBIPACK4 Installation And Operation Manual

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Controlling an OpenTherm® Boiler with
multiple CombiPack4-OT
It is possible to have 6 CombiPack4-OT controlling 1 OpenTherm® boiler.
To do this it is necessary to make one of the RF1A-OT receivers into a
Hub Receiver. This Hub Receiver will receive data from all of the RFRP-OT
thermostats and relay this information to the boiler via OpenTherm®.
Note: The Hub Receiver should have a wired OpenTherm® connection to
the boiler.
Making your RF1A-OT receiver into a Hub Receiver
1. Press the Reset
the Hub Receiver – Red and Green lights are both solid.
2. Immediately press and hold the
seconds, the red light will start blinking.
3. Press the
button and the Green light will be solid – this is now
Connect
the hub receiver.
4. Press the
button on the receiver that you wish to make
button to exit to the normal interface.
RFRP-OT OpenTherm® Instructions
and
buttons for 5
Connect
43

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Questions and answers

Lisa
March 19, 2025

Eph thermostat stick on screen lock

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3 comments:
Lisa
March 19, 2025

@Lisa I tried everything to unlock the padlock thing but don't know hav a clue how or why it's done that

Mr. Anderson
March 19, 2025

To unlock the screen on the EPH Controls COMBIPACK4 thermostat, press and hold the designated buttons for 10 seconds. The lock symbol will disappear from the screen, indicating that the keypad is now unlocked.

This answer is automatically generated

Lisa
March 19, 2025

@Mr. Anderson thanks for that mate been trying for a week Ur a diamond x

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Ember cp4i

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