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EPH CONTROLS RFC RF Cylinder Thermostat Instruction Manual

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Operating Instructions

RFC - RF Cylinder Thermostat

Contents

1. Factory default settings

2. Speciﬁcation & wiring

3. Mounting

CAUTION!

4. Installation

5. Button / symbol description

6. Resetting the thermostat

7. Boost function

8. Lock function

9. To connect the RFC thermostat to the

R_7-RF programmer

Only qualiﬁed electricians or authorised

service staﬀ are permitted to open the

thermostat.

Ensure that this wireless enabled

thermostat is installed 1 metre from any

metalic object, television, radio or wireless

internet transmitter.

10. To disconnect the RFC thermostat from

the R_7-RF programmer

Important: Keep this document

Prior to setting the thermostat, it is neccessary to complete all required settings described

in this section.

5. Button / symbol description

1. Factory default settings

Temperature indicator:

Switching diﬀerential:

In built frost protection:

Keypad lock:

°C

Wireless symbol

5°C

Oﬀ

Heating ON symbol

Water temperature

Battery low symbol

Boost button

2. Speciﬁcations & wiring

Power Supply:

2 x AAA Alkaline Battery

Set point handwheel

Power consumption:

Battery replacement:

Temp. Control Range:

Dimensions:

50 uA

Once per year

10...90°C

84 * 84 * 30mm

Temp. sensor:

NTC 10K Ohm @ 25°C - 1.5m probe type

°C

Temp. indication:

Code button

3a Mounting of temperature sensor

ON CYLINDER: To ensure accurate control of your cylinder, the temperature

sensor should be mounted on the bottom 1/3 of the cylinder. It is essential that

the sensing element is in direct contact with the cylinder and that there is no

insulation between it and the cylinder. 60°C is the temperature level required in

order to prevent the build up of legionella bacteria. The temperature sensor can

be ﬁxed to the cylinder using the provided foil tape.

Reset button

6. Resetting the thermostat

Press the

button on the bottom of the thermostat, the front housing

will detach from the baseplate.

ON PIPEWORK: To ensure accurate control, the temperature sensor should be

mounted on the pipework as tightly as possible. It is essential that the sensing

element is in direct contact with the pipework and that there is no insulation

between it and the pipework. The temperature sensor can be ﬁxed to the

pipework using the provided foil tape.

Insert the batteries into the thermostat.

Press the reset button on the PCB, ‘NO’will ﬂash on the screen.

Rotate the hand wheel clockwise until ‘YES’appears on the screen.

Press the hand wheel once to conﬁrm the setting.

3b Mounting of thermostat

The thermostat has now been reset and the current temperature will

appear on the screen.

The thermostat should be mounted in a position that will make reading

the display conventient.

7. Boost function

The thermostat can be ﬁtted to: 1. Recessed conduit boxes

2. Surface mounting boxes

Press the boost button once, twice or three times to boost the heating for

1, 2 or 3 hours respectively. +1H, +2H or +3H will appear on the screen.

3. Directly on walls

The boost function will override the programmer if the programmer is

timed to be Oﬀ.

4. Installation

Press the button on the bottom of the thermostat.

The front housing will detach from the baseplate.

Insert the batteries (provided) into the thermostat.

8. Lock function

To lock the thermostat, press the hand wheel for 10 seconds. The keypad

symbol will appear on the screen.

Mount the unit as described in section 3. Ensure the cable sensor is

connected to terminals Con 3 and Con 4.

To unlock the thermostat, press the hand wheel for 10 seconds. The

keypad symbol will disappear from the screen.

Oﬀer the baseplate up to the thermostat. Snap it into position to close.

EPH Controls Ireland

EPH Controls UK

technical@ephcontrols.com www.ephcontrols.com

technical@ephcontrols.co.uk www.ephcontrols.co.uk

20221108_RFC-Renesas(PR092K7)_OpIns_PK

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General	Details
Name	EPH CONTROLS RFC RF Cylinder Thermostat Instruction Manual
Make	EPH CONTROLS
Language	English
Filetype	PDF (Download)
File size	0.11 MB

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EPH Controls RFC Instruction Manual: Specifications

Power supply	2 x AAA Alkaline Battery
Differential	5°C
Dimensions	*84 84 * 30mm**

Full specifications, page 1

EPH Controls RFC compared with other EPH Controls thermostats

Specification	EPH Controls RFC	EPH Controls 2023-03-10 RFR-RF	EPH Controls CP4B	EPH Controls RFRA
Power supply	2 x AAA Alkaline Battery	2 x AAA Alkaline Battery	2 x AA Alkaline Batteries	2 x AAA Alkaline Battery
Differential	5°C	0.4°C	0.4˚C	0.2°C
Dimensions	*84 84 * 30mm**	84 * 84 * 30mm	130 x 99 x 25mm	84 * 84 * 30mm