EPH CP4-HW-OT Betriebsanleitung
Installation and Operation Guide
Programmable RF Cylinder
Thermostat & Receiver
CP4-HW-OT
13
17
21
RFRP-HW-OT Room Thermostat
5
Installation Instructions
6
Factory Default Settings
6
7
Specications
8
How your cylinder thermostat works
9
10
15
20
RF1A-OT Wireless Receiver
RFRP-HW-OT Room Thermostat
20
Installation Instructions
Operating Instructions
14
19
18
22
Table of contents
Frost Protection
Mounting of temperature sensor
Mounting & Installation
Mounting & Installation
Resetting the thermostat
Keypad lock and unlock
Setting the date, time and programming mode
Specications & Wiring
Button Description
LCD Symbol Description
Factory Program Setting
32
32
31
Installer menu
32
33
23
33
33
24
25
26
27
28
29
Frost Protection
Frost Protection
29
30
PO 3 Hysteresis H ON and H OFF
Normal
PO 1 Operating Mode
Adjust the program setting in 5/2 Day mode
Copy Function
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
Exit
42
RFRP-HW-OT Room Thermostat (Continued)
Installer menu - OpenTherm®
34
36
Controlling an OpenTherm® Boiler with multiple CP4-OT/CP4-HW-OT
35
40
44
46
RF1A-OT Wireless Receiver
Operating Instructions
43
45
Table of contents (Continued)
PO 7 OpenTherm® Information
Exit
System Architecture
LED Description
To disconnect the RFRP-HW-OT thermostat to an RF1A-OT receiver
Button / LED Description
To connect the RFRP-HW-OT thermostat to an RF1A-OT receiver
5
RFRP-HW-OT Cylinder Thermostat
Installation Instructions
6RFRP-HW-OT Room Thermostat CP4-HW-OT
RFRP-OT Room Thermostat
Factory Default Settings
Temperature indicator: ˚C
Switching dierential: 5˚C
In built frost protection: 5˚C - Not adjustable
Clock: 24 hours
Keypad lock: OFF
Operating mode: 5/2 day
Default temperature setpoint: 60˚C
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
cylinder temperature falls below 5°C.
7
RFRP-HW-OT Room Thermostat CP4-HW-OT
Specications
Power supply: 2 x AA Alkaline Batteries
Power consumption: 2 mW
Battery replacement: Once a year
Temp. control range: 5 … 90˚C
Ambient temperature: 0 … 45˚C
Dimensions: 130 x 99 x 25mm
Temperature sensor: NTC 100K Ohm @ 25˚C
External sensor length: 1950mm ± 80mm
Temperature indication: ˚C
Switching dierential: 5˚C
Frost protection: Only operational in OFF mode
Pollution degree: Pollution degree 2
8RFRP-HW-OT Room Thermostat CP4-HW-OT
When the thermostat is in the AUTO mode, it will operate according
to the times that have been programmed. The user can select from 6
dierent programs per day - each with a time and a status of ON or OFF.
When program is scheduled to be ON, it will remain on until the next
OFF program.
During this time the thermostat will remain ON until the temperature
setpoint is reached.
There is only one temperature setpoint which is applied to all programs.
The default temperature setpoint is 60˚C.
60˚C is the temperature level required in order to prevent the build up
of legionella bacteria.
How your cylinder thermostat works
9
RFRP-HW-OT Room Thermostat CP4-HW-OT
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.
The temperature sensor can be xed to the cyliner using the provided
foil tape.
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 xed to the pipework using foil tape.
IN THERMAL POCKET: To ensure accurate control, the temperature
sensor should be inserted into the thermal pocket. It is essential that
the sensing element is inserted as far as possible. The temperature
sensor can be xed using the provided foil tape.
Mounting of temperature sensor
10 RFRP-HW-OT Room Thermostat CP4-HW-OT
Mounting & Installation
Caution!
Installation and connection should only be carried out by a qualied person.
Only qualied electricians or authorised service sta are permitted to open the
thermostat.
If the thermostat is used in a way not specied 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 directly on the wall using the plate included.
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