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Instruction Manual
TPSRF31 (181430) - BOSS
Electronic RF Roomstat
TM
Thank you for purchasing this product. If installing for someone else, please ensure that the
instructions are handed to the householder.
Please read this manual prior to installation or use.
Always isolate the mains power supply before removing the unit from the backplate.
Do not mix old and new batteries. Do not use rechargeable batteries.
Please leave these instructions with the end user where they should be kept in a safe place for
future reference.
Installation
The TPSRF31 Control Unit is easily installed using the backplate supplied. This is used purely for
mounting, as no wiring is needed for the Control Unit. The backplate can be mounted directly to
the wall without a back box.
The ideal position to locate the TPSRF31 Control Unit is about 1.5m above floor level. It should be
mounted in a location where the thermostat is accessible, reasonably lit and free from extremes of
temperature and draughts. Do not mount the thermostat on an outside wall, above a radiator or in
a location where it may be subjected to direct sunlight.
To ensure trouble free receiving of the Radio Frequency (RF) signal, always ensure that the
thermostat is mounted away from any possible sources of interference (such as radio, TV sets,
computer, etc.), the location of TPSRF31 in enclosed areas such as cellars and basements is not
recommended, it should be positioned where the temperature sensed is representative of the zone
being controlled.
Connecting the TPSRF31 Receiver
NOTE: All electrical installation work should be carried out by a suitably qualified Electrician or other
competent person.
If you are not sure how to install this digital thermostat consult either with a qualified electrician,
heating engineer or your boiler/heating system supplier for advice on how to proceed.
The TPSRF31 Receiver should be mounted in a suitable location that is both accessible for the
connection of mains and control wiring, and allows good reception of the RF signal. The Receiver
needs a 230V AC mains supply to operate, and this should be fused appropriately (13A max.)
The Receiver should be mounted in a location where it will not come into contact with water,
moisture or condensation.
The Receiver On/Off switch is accessible from the front face of the Receiver.
On the front cover of the Receiver you will see that there is the On/Off switch and two Light
Emitting Diodes (LEDs). The switch allows you to turn off the Receiver if necessary to prevent it
calling for heat. The top LED (orange) will illuminate when the switch is in the "On" position and
the unit is receiving power. The bottom LED (green) illuminates when the Receiver unit is receiving
a heat call transmission from the Control Unit.
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Summary of Contents for Boss TPSRF31
- Page 1 Instruction Manual TPSRF31 (181430) - BOSS Electronic RF Roomstat Thank you for purchasing this product. If installing for someone else, please ensure that the instructions are handed to the householder. Please read this manual prior to installation or use. Always isolate the mains power supply before removing the unit from the backplate. Do not mix old and new batteries. Do not use rechargeable batteries. Please leave these instructions with the end user where they should be kept in a safe place for future reference. Installation The TPSRF31 Control Unit is easily installed using the backplate supplied. This is used purely for...
- Page 2 The wiring terminals and RF Address Code setting DIP switches are located on the rear of the Receiver. Receiver Wiring Terminals Terminal Name Function Neutral input 230VAC/50Hz Live input 230VAC/50Hz 1: COM Switch common terminal 2: NO Normal open (Volt-Free Contact) 3: NC Normal close (Volt-Free Contact) Direct Control Boiler RECEIVER BOILER N.0. COM L N Live Feed MAINS Blue FEED Brown Brown Brown Blue Yellow Notes: Receiver unit should have a permanent 230V AC main supply Combi Boiler RECEIVER BOILER N.0.
- Page 3 RF Address Code Setting If there is another unit being used nearby, e.g. in the next house or as part of a multiple installation, your Receiver may be triggered by the other Control Unit. You can change the RF Address Code to help to prevent this problem. Each Receiver can only respond to RF transmissions from a Control Unit that has the same RF address code setting. Disconnect the mains power to the Receiver, and remove the batteries from the Control Unit before attempting any adjustment of the RF Address Code switch and jumpers. If you are not sure how to carry out this operation correctly, consult either with a qualified electrician or heating engineer. To adjust the RF address code of the Receiver, simply push up one or more of the 5 DIP switch levers on the DIP switch bank located on the back of the Receiver, and then make a note of the setting of each switch. Then set the 5 DIP switch levers on Control Unit same as the RF Receiver setting so that the address code settings match each other. For example, if Receiver DIP switches set as following, 1 – ON 3 - OFF 5 - ON Controller unit DIP switch should be set as same: 2 - OFF 4 - OFF You must press Reset on the Control Unit after making any changes to the RF address code settings. Testing the RF Transmission It is important to site both the Receiver and Control Unit in locations where the RF signal cannot be interrupted. The receiving range between Control Unit and Receiver is approximately 30 meters indoors, however many factors can affect the RF transmission and shorten the operating distance, e.g. shielding by thick walls, foil back plasterboard, metal objects such as filing cabinets, general RF interference, and so on. The range is generally large enough for most household applications, but it is advisable to test the RF transmission from the intended Control Unit location to the Receiver location before fixing the Control Unit to the wall. To check the RF reception, follow the following steps: 1. P ress the button on the Control Centre until the set point temperature is higher than room temperature by a few degrees.
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Page 4: User Instructions
Function of indicator: Indicator Function Temperature 1. Show the room temperature in the resolution of 0.5°C 2. Show the set temperature in the resolution of 0.5°C. The preceding “0” of temperature is not needed. Heat indicator Displayed when heat is turned on. Econ mode indicator Displayed when the unit is in Econ mode. Anti-Frost mode indicator Displayed when then unit is in Anti-Frost mode. Low-batt indicator Displayed when the battery needs replacing. User Instructions Keyboard (Control unit): Function Increase temperature setting Decrease temperature setting Comf/Econ/Anti-frost modes 1. Short press: changes unit to Econ mode while in Comf mode 2. Long press for 3 seconds: changes unit to Anti-Frost mode while in Comf mode 3. While unit is in Anti-frost mode, long key press will return thermostat to its previous mode Reset To reset the thermostat Initial Power Up: • After power up or Reset is pressed, the programmer is reset. • D uring system reset, all LCD segments are turned on for 2 seconds or until any key is held. After 2 seconds and all keys are released, the programmer is initialized. The typical reset display is shown below. Following table is the setting of the thermostat after reset or power up. - Page 5 Change between Comf/Econ/Anti-frost mode • Short press: changes unit from normal mode to Econ mode, or from Econ mode to normal mode. • Long press for 3 seconds: changes unit to Anti-Frost mode from any other. • While unit is in Anti-frost mode, a long press will return the thermostat to its previous mode Anti-Frost Mode To enable the anti-frost mode, press and hold the button for 3 seconds. Once Anti-Frost mode is enabled, the temperature is automatically set to 5°C to provide protection from the risk of freezing. Whenever Anti-Frost mode is activated, the Anti-Frost indicator will be shown below. To turn off anti-frost mode, press and hold the button for 3 seconds. Please be aware that the Anti-Frost mode operates as an additional protection feature but should not be used in place of a correctly installed frost thermostat, which is required to override all the other controls in the system. The backlight will remain illuminated for approximately 5 seconds. Backlight The backlight of the TPSRF31 is switched on automatically whenever any of the keys are pressed. The backlight will remain illuminated for approximately 5 seconds after the last key press, except if you are changing the set point temperature – in this case, the backlight will remain illuminated throughout the setting change process. The backlight will not illuminate if the TPSRF31 battery is low. Battery Status • T he TPSRF31 checks the battery voltage frequently during normal operation. If the battery voltage is sensed as being low (this is normally when the battery voltage falls to a level of below 2.4V, the low battery indicator will be displayed steadily on screen. • A lthough the programmable thermostat will continue to operate normally at this stage, you should replace the batteries as soon as possible to prevent any possible operating problems. Battery Cut-off Handling...
- Page 6 • I f the battery reaches cut-off voltage (2.1V), the thermostat should turn off its LCD. • A fter battery cut-off occurs, the thermostat will stay in cut-off state until new batteries have been fitted. Reset Button The Reset Button is provided to restore the thermostat to its default factory settings. Pressing this button will delete any previously entered settings. Temperature measurement • T emperature below 10°C is displayed without the preceding “0” • T emperatures outside the controllable range (0.0°C - 35°C) will be indicated by “HI” or “LO”. Specification Model TPSRF31 Type Digital thermostat, designed for Volt Free and AC heating applications Frequency 868MHz Temperature Scale °C 0.0°C - 35°C; Temperature Display Range Displays ‘HI’ if room temperature exceeds 35°C Displays ‘Lo’ if room temperature below 0.0°C Temperature Display Resolution 0.5°C Temperature Setting Range 5.0°C - 30.0°C (0.5°C step) Temperature Setting Resolution 0.5°C Operating Temperature 0°C - 40°C Storage Temperature -20°C - 60°C...
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