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Installation Instructions
Please Note:
This product should only be installed by a qualified
electrician or competent heating installer and should
be in accordance with the current edition of the IEEE
wiring regulations.
Product Specification
Thermostat features
Power supply
Memory back-up
Switching action of output relay
Switch rating of relay contact
Transmission frequency (RF model)
Transmitter range (RF model)
Temperature range
Dimensions, mm
Design standard
Rated impulse voltage
Ball hardness test
Control pollution situation
Temperature accuracy
Important note RF products: Ensure that there are no large metal objects, such as boiler cases
or other large appliances, in line of sight between the transmitter and receiver as these will
prevent communication between thermostat and receiver.
RT51/52
x AA/MN1500/LR alkaline cells
1 min. for battery change
1 x SPDT, Type 1B
3(1)A, 10-30Vac
N/A
N/A
5-30°C
110 wide, 88 high, 8 deep
EN60730--9 (EN3000 for RF)
.5Kv
75°C
Degree
±1°C
GB
RT51/52-RF
N/A
N/A
433.9MHz
30m max
3
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Table of Contents
Related Manuals for Danfoss rt51
Summary of Contents for Danfoss rt51
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Page 1: Installation Instructions
This product should only be installed by a qualified electrician or competent heating installer and should be in accordance with the current edition of the IEEE wiring regulations. Product Specification Thermostat features RT51/52 RT51/52-RF Power supply x AA/MN1500/LR alkaline cells Memory back-up 1 min. for battery change... -
Page 2: Installation
Installation o First, remove the wallplate from the back of the unit. o From the top left hand corner of the wallplate, there must be clearances of at least 140mm to the right, 15mm to the left, 30mm above and 100mm below in order to mount the plug- in module. - Page 3 Some existing thermostats will have a Neutral wire and/or Earth wire connected. These are not required by the RT51/52 and must NOT be connected to any RT51/52 terminals. Instead they should be made electrically safe and coiled in the recess at...
- Page 4 Thermostat Wiring (not RF models) RX Receiver Wiring (RF models only) RX1 & RX2 NB. For mains voltage operated systems link terminal 2 to mains live supply.
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Page 5: Commissioning (Rf Models Only)
(RX1 only). To tune the RX receiver to the frequency of the thermostat signal, follow steps 1-5 below. Step 1 RT51/52-RF Reset the unit by removing the batteries for minutes, then replace. Step 2 Press and hold V and +... -
Page 6: What Is A Programmable Room Thermostat
What is a programmable room thermostat? ... an explanation for householders A room thermostat simply switches the heating system on and off as necessary. It works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it off once this set temperature has been reached. -
Page 7: User Instructions
User Instructions Your room thermostat RT51 The RT51 is a simple to use room thermostat which allows you to programme a Day and a Night temperature, and to switch between the two settings simply by pressing buttons. RT52 The RT5 has the same functionality as the RT51 with the added benefit of a built-in timer, which will return the thermostat to Day temperature at a time chosen by you. -
Page 8: All Models
All models Before you start To reset the unit, open the flap on the front of the programmer. Remove the batteries for minutes, then replace. The display will automatically default to DAY mode (d shown top left of display) and show actual temperature in the large 20.0 characters and required temperature in... - Page 9 Moving between DAY and NIGHT mode Pressing the s and t buttons together once allows you to toggle between DAY and NIGHT mode as required. RT52 / RT52-RF only Setting the clock Press PROG button once. i2 00 Use s and t buttons until the correct TIME is shown.
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Page 10: Battery Replacement
All models Battery Replacement o When batteries are low a battery 20.0 symbol will flash in the LCD display. o You have 15 days to replace the battery before the unit will switch off. o When changing batteries, remove old batteries and insert new ones within ONE MINUTE and programming will not be lost.
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