EPH CONTROLS RFCA RF Cylinder Thermostat Instruction Manual

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Operating Instructions  

RFCA - RF Cylinder Thermostat  

Contents  

1. Factory default settings  

3. Mounting  

4. Installation  

CAUTION!  

5. Button / symbol description  

6. Resetting the thermostat  

7. Boost function  

8. Lock function  

9. To connect the RFC thermostat to the  

RF1 receiver  

10. To disconnect the RFC thermostat from  

the RF1 receiver  

thermostat.  

Ensure that this wireless enabled  

thermostat is installed 1 metre from any  

metalic object, television, radio or wireless  

internet transmitter.  

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:  

°C  

Wireless symbol  

In built frost protection:  

5°C  

Heating ON symbol  

Water temperature  

Battery low symbol  

Standby button  

Power Supply:  

2 x AAA Alkaline Battery  

Power consumption:  

Battery replacement:  

Temp. Control Range:  

Dimensions:  

50 uA  

Set point handwheel  

Once per year  

10...90°C  

84 * 84 * 30mm  

Temp. sensor:  

NTC 10K Ohm @ 25°C - 1.5m probe type  

°C  

Temp. indication:  

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  

Reset button Code 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  

Insert the batteries into the thermostat.  

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

pipework using the provided foil tape.  

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.  

2. Surface mounting boxes  

3. Directly on walls  

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.  

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.  

symbol will disappear from the screen.  

EPH Controls Ireland  

EPH Controls UK  

technical@ephcontrols.com www.ephcontrols.com  

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

20221020_RFCA_OpIns_PK  

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General	Details
Name	EPH CONTROLS RFCA RF Cylinder Thermostat Instruction Manual
Make	EPH CONTROLS
Language	English
Filetype	PDF (Download)
File size	0.2 MB

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EPH CONTROLS RFCA RF Cylinder Thermostat Instruction Manual Overview

Summary of Contents

• Page 1: Operating instructions for the RFCA - RF Cylinder Thermostat include factory default settings, mounting, and installation details. The thermostat should be installed 1 metre from any metallic object, television, radio, or wireless internet transmitter. Temperature sensor mounting is crucial for accurate control, either on the bottom 1/3 of the cylinder or tightly on the pipework. The thermostat features a temperature control range of 10...90°C and requires 2 x AAA alkaline batteries. To reset the thermostat, press the button on the bottom, which detaches the front housing from the baseplate. To lock the thermostat, press the hand wheel for 10 seconds until the lock symbol appears. To unlock, press the hand wheel for 10 seconds again until the lock symbol disappears. The thermostat includes a built-in frost protection set at 5°C. Ensure the sensing element is in direct contact with the cylinder or pipework without insulation. Battery replacement is recommended once per year.
• Page 2: Operating instructions for RFCA - RF Cylinder Thermostat. To connect the RFCA thermostat to the RF1 receiver, press the button on the bottom of the thermostat to detach the front housing from the baseplate. Press the CODE button on the printed circuit board. When r1 appears on the screen, press the hand wheel once to complete the connection. To disconnect the RFCA thermostat from the RF1 receiver, press the reset button on the right side of the housing. Within 2 seconds, press the connect button to disconnect the RF1 receiver from the RFCA thermostat. Press the button on the bottom of the thermostat to detach the front housing from the baseplate again. Press the RESET button on the printed circuit board. Rotate the hand wheel clockwise until YES appears on the screen to finalize the disconnection.