EPH Controls COMBIPACK4 Operating instructions

Installation and Operation Guide
COMBIPACK4

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RFRP-OT Room Thermostat
5
Installation Instructions
6
Factory Default Settings
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7
Specications
8
How your programmable thermostat works
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14
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RF1A Wireless Receiver
RFRP-OT Room Thermostat
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Installation Instructions
Operating Instructions
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Table of contents
Frost Protection
Mounting & Installation
Mounting & Installation
Resetting the thermostat
Keypad lock and unlock
Setting the date, time and programming mode
Specications & Wiring
Button Description
LCD Symbol Description
Factory Program Setting

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Installer menu
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Frost Protection
Frost Protection
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TPI
PO 2 Setting high & low limits
PO 3 Hysteresis H On and H O
Optimum Start
Normal
PO 1 Operating Mode
Adjust the program setting in 5/2 Day mode
Copy Function
Temporary Override
Permanent Override
Boost Function
Holiday Function
Battery low warning
Backlight mode selection
Replacing the batteries
PO 4 Calibrate the thermostat
Programming Modes
PO 5 Frost Protection
PO 6 Exit

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RFRP-OT Room Thermostat (Continued)
Installer menu - OpenTherm
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PO 6 Setting DHW temperature
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PO 8 DHOP
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PO 9 Set OpenTherm® parameters
Controlling an OpenTherm Boiler with multiple CombiPack 4-OT
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RF1A Wireless Receiver
Operating Instructions
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Table of contents (Continued)
PO 7 OpenTherm® Information
Exit
System Architecture
LED Description
To disconnect the RFRP-OT thermostat to an RF1A-OT receiver
Button / LED Description
To connect the RFRP-OT thermostat to an RF1A-OT receiver

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RFRP-OT Room Thermostat
Installation Instructions

6RFRP-OT Room Thermostat CombiPack4
RFRP-OT Room Thermostat
Factory Default Settings
Temperature indicator: ˚C
Switching dierential: 0.4˚C
In built frost protection: 5˚C - Not adjustable
Clock: 24 hours
Keypad lock: O
Operating mode: 5/2 day
Frost Protection 5˚C
Frost protection is built into this thermostat.
It is pre xed at 5°C and is not adjustable.
It will only be activated when the thermostat is in the OFF mode and the
room temperature falls below 5°C.

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RFRP-OT Room Thermostat CombiPack4
Specications
Power supply: 2 x AA Alkaline Battery
Power consumption: 2 mW
Battery replacement: Once a year
Temp. control range: 5 … 35˚C
Ambient temperature: 0 … 45˚C
Dimensions: 130 x 99 x 25mm
Temperature sensor: NTC 100K Ohm @ 25˚C
Temperature indication: ˚C
Switching dierential: 0.4˚C
Frost protection: Only operational in O mode
Pollution degree: Pollution degree 2

8RFRP-OT Room Thermostat CombiPack4
When the thermostat is in the AUTO mode, it will operate according
to the times and temperatures that have been programmed. The user
can select from 6 dierent programs per day - each with a time and a
temperature.
There is no OFF time, only a higher and a lower temperature.
If the user wants the thermostat to be OFF at a certain time, set the
temperature for this time to be low. The thermostat will turn ON if the
room temperature is lower than the setpoint for the current period.
Example: If P1 is set to be 21˚C at 6am, and if P2 is set to be 10˚C at
8am, the thermostat will look for the temperature to be 21˚C between
6am and 8am.
How your programmable thermostat works

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RFRP-OT Room Thermostat CombiPack4
Mounting & Installation
Caution!
Installation and connection should only be carried out by a qualied person.
Only qualied electricians or authorised service sta are permitted to open the
thermostat.
If the thermostat is used in a way not specied by the manufacturer, its safety may be
impaired.
Prior to setting the thermostat, it is necessary to complete all required settings
described in the section.
This thermostat can be mounted in the following ways:
1) Directly mounted on wall
2) Free standing - Stand Included

10 RFRP-OT Room Thermostat CombiPack4
1) The mounting height should be 1.5 metres above the oor level.
2) The thermostat should be wall mounted in the room where the
heating is to be controlled.
The place of installation should be chosen so that the sensor can
measure the room temperature as accurately as possible.
Choose the mounting location to prevent direct exposure to
sunlight or other heating / cooling sources when mounted.
3) Fix the mounting plate directly to the wall with the screws provided.
4) Attach the thermostat to the mounting plate.
5) Lower the ap at the front of the thermostat. There is a battery
compartment located below the buttons. Apply downward
pressure to remove the cover.
6) Insert the 2 x AA batteries and the thermostat will turn on.
Close the battery compartment.
Mounting & Installation (Continued)

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RFRP-OT Room Thermostat CombiPack4
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12 RF1A-OT Wireless Receiver CombiPack4
RF1A Wireless Receiver
Installation Instructions

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RF1A-OT Wireless Receiver CombiPack4
Internal wiring diagram for RF1A-OT
Specications & Wiring
Power supply: 200 - 240Vac 50-60Hz
Contact rating: 250 Vac 10(3)A
Ambient temperature: 0 … 45˚C
Automatic action: Type 1.C.Q
Appliance classes: Class II appliance
Pollution degree: Pollution degree2
IP Rating: IP20
Rated Impulse Voltage: Resistance to voltage surge 2500V
as per EN 60730
OFFON
321LN
L
MAINS SUPPLY
N
COM
O T
O T
* If mains voltage output is required,
terminals L & 2 must be electrically
linked.
Important: Do not connect Mains
Voltage to OpenTherm® terminals.

14 RF1A-OT Wireless Receiver CombiPack4
1) The RF1A-OT receiver should be wall mounted in an area within
20 metres distance of the wireless thermostat. It is important
that the receiver is mounted more than 1 metre away from metal
objects as this will aect communication with the thermostat.
The receiver should be installed at least 1metre from any electronic
devices such as radio, TV, microwave or wireless network adaptor.
2) Slacken the fastening screw on the bottom of the receiver with a
philips screwdriver. The receiver is hinged and can be opened 180
degrees.
3) Screw the receiver to the wall with the screws provided.
4) Remove the protective cover on the terminal block.
5) Insert wires into therminal block in accordance with the wiring
diagram.
6) Close the cover and tighten the fastening screw.
Mounting & Installation

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RF1A-OT Wireless Receiver CombiPack4
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16 RFRP-OT Room Thermostat CombiPack4
RFRP-OT Room Thermostat
Operating Instructions

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RFRP-OT Room Thermostat CombiPack4
LCD Symbol Description
Operating mode
Current program
Day / Month
Day of the week
Temperature
Battery low symbol
Wireless symbol
Heating on symbol
Keypad lock symbol
Current Time
(Boost to time)

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Button Description
Automatic mode Set Date / Time Set point increase
Manual mode Holiday mode Set point decrease
O mode Copy function Copy function
Copy functionProgram mode Boost mode
AUTO TIME
MAN HOL
OFF COPY OK
PROG BOOST
Manual
mode
O mode
Program mode Set Date/ Time
Holiday mode
Copy function
Boost mode
Automatic
mode
(Back)
OK conrm button
Set point increase
Set point decrease
Reset button
Wireless connect button

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RFRP-OT Room Thermostat CombiPack4
RFRP-OT Room Thermostat
Resetting the thermostat
Keypad lock and unlock OFF
To lock the keypad, press and hold the and buttons for 10 seconds.
will appear on the screen. The keypad is now locked.
To unlock the keypad, press and hold the and buttons for 10 seconds.
will disappear from the screen. The keypad is now unlocked.
Press the button on the side of the thermostat.
‘rst no’will appear on the screen.
Press the button.
‘rst yes’ will appear on the screen.
Press the OK button to reset the thermostat.

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Press the TIME button once, the year will begin ashing.
Press the or buttons to adjust the year. Press OK .
Press the or buttons to adjust the month. Press OK .
Press the or buttons to adjust the day. Press OK .
Press the or buttons to adjust the hour. Press OK .
Press the or buttons to adjust the minute. Press OK .
Press the or buttons to adjust from 5/2d to 7d or 24h mode.
Press the or buttons to turn DST (Day Light Saving time) On or O.
Press the AUTO button or wait 5 seconds and the thermostat will return to
normal operation.
Setting the date, time and programming mode