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Instruction Manual
TPST501 (569568) - BOSS
(7 day, 5/2 day and 24 hour programme options)
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 AC MAINS supply before removing the unit from the back plate.
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 ideal position to locate the TPST501 Programmable Room Thermostat is about 1.5m above
floor level, 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.
The electrical connections to the TPST501 are made to the standard backplate supplied.
This simplifies installation, as no connections are made to the controller itself. Connection details are
shown below – no Earth connection is required for the correct and safe operation of the TPST501,
but a parking terminal is provided to connect an Earth wire if one is present.
Backplate Connections
Terminal Name
1:COM
2:NO
3:NC
After installing the backplate in a suitable location, wiring connections can be made as shown above.
The following criteria apply to the installation:
• The loading power supply should be 230V AC and fused at 5 amps
• Optimum cable size for installation is 1.5mm
current requirements of the IEE Wiring Regulations
• Cable entry should be from the rear of the backplate
• All wiring connections should be securely made, and be firmly gripped between the square
brass washers on each terminal
Universal Programmable Room Thermostat (Wired)
TM
Function
Switch common terminal
Normally open (Volt-Free Contact)
Normally closed (Volt-Free Contact)
, wiring colours should be in accordance with the
2
1
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Summary of Contents for Boss TPST501
- Page 1 This simplifies installation, as no connections are made to the controller itself. Connection details are shown below – no Earth connection is required for the correct and safe operation of the TPST501, but a parking terminal is provided to connect an Earth wire if one is present.
- Page 2 If you are not sure how to install this thermostat consult either with a qualified electrician, heating engineer or your boiler / heating system supplier for advice on how to continue. Do not remove or refit the TPST501 onto the backplate without the mains supply to the system being isolated. Jumper Settings...
- Page 3 Function of indicator Indicator Function Day of week indicator 1. show the current day in normal mode 2. show the program day in program mode Real time clock 1. show the current time 2. show the set time during program mode Temperature 1.
- Page 4 Following table is the setting of the thermostat after reset. Default Operation Mode Setpoint Mode Default settings Comf mode 21°C Econ mode 16°C Off mode 5°C Default Clock and Operation Mode Item Default values Clock 12:00AM Day of week Monday Mode AUTO Program...
- Page 5 View/Change temperature setting mode • In the home screen in Auto/Comfort/Economy/Off mode, press o enter View/Change temperature settings. • The LCD will show the current temperature setting with flashing numbers and the SET icon is displayed. • Press again to increase or decrease the set temperature in 0.5°C steps. •...
- Page 6 Program Setting Mode You can change the program setting as follows: 1. Press Set to enter programming mode. Days will flash on the LCD for 10 seconds. Press repeatedly to step through the days, in consequent of 7 day, 5/2 day and 24 hour programme options: --- [M], [TU], [W], [TH], [F], [SA], [SU] -- [M, TU, W, TH, F], [SA, SU] -- [M, TU, W, TH, F, SA, SU] …...
- Page 7 Program Time: 06:30am Temp: 21°C Time: 1:00pm Temp: 18°C Time: 1:00pm Temp: 23°C Time: 1:00pm Temp: 21°C Time: 6:00pm Temp: 21°C Time: 10:30pm Temp: 16°C Similarly, if you set the time earlier than a previous program time, similar changes are applied. For example: Original Program...
- Page 8 • After battery cut-off occurs, the thermostat will enter a cut-off state until new batteries have been fitted. BOSS™ is a registered trademark of the Travis Perkins Group Registered Office: Travis Perkins plc, Lodge Way House, Lodge Way, Harlestone Road,...
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