The SunStat is a wired programmable room thermostat. A SunStatRF should be purchased if a wireless (RF) version of the same unit is required.
Thermostat position
The thermostat should be placed at a height of 1.5m from the floor. Do not position on an outside wall, above a radiator, next to a door, or in direct sunlight.
For fixed wiring only
Disconnect the mains supply before attempting to wire the unit, or removing unit from back plate. A switch having a contact separation of at least 3mm in all poles must be incorporated in the fixed wiring as a means of fully disconnecting the mains supply. An appropriate fuse should also be fitted to the circuit.
What is a programmable room thermostat?
A programmable room thermostat is both a programmer and a room thermostat. A programmer allows you to set ‘On’ and ‘Off’ time periods to suit your own lifestyle. A room thermostat 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. So, a programmable room thermostat lets you choose what times you want the heating to be on, and what temperature it should reach while it is on. It will allow you to select different temperatures in your home at different times of the day (and days of the week) to meet your particular needs. Turning a programmable room thermostat to a higher setting will not make the room heat up any faster. How quickly the room heats up depends on the design of the heating system, for example, the size of boiler and radiators. Neither does the setting affect how quickly the room cools down. Turning a programmable room thermostat to a lower setting will result in the room being controlled at a lower temperature, and saves energy. The way to set and use your programmable room thermostat is to find the lowest temperature settings that you are comfortable with at the different times you have chosen, and then leave it alone to do its job. The best way to do this is to set low temperatures first, say 18°C, and then turn them up by one degree each day until you are comfortable with the temperatures. You won’t have to adjust the thermostat further. Any adjustments above these settings will waste energy and cost you more money. If your heating system is a boiler with radiators, there will usually be only one programmable room thermostat to control the whole house. But you can have different temperatures in individual rooms by installing thermostatic radiator valves (TRVs) on individual radiators. If you don’t have TRVs, you should choose a temperature that is reasonable for the whole house. If you do have TRVs, you can choose a slightly higher setting to make sure that even the coldest room is comfortable, then prevent any overheating in other rooms by adjusting the TR V s. The time on the programmer must be correct. Some types have to be adjusted in spring and autumn at the changes between Greenwich Mean Time and British Summer Time. You may be able to temporarily adjust the heating program, for example, ‘Override’, ‘Advance’ or ‘Boost’. These are explained in the manufacturer’s instructions. Programmable room thermostats need a free flow of air to sense the temperature, so they must not be covered by curtains or blocked by furniture. Nearby electric fires, televisions, wall or table lamps may prevent the thermostat from working properly
JP10 – Heating & Cooling
JP1 will be set to “heating” at the factory.
JP13 – TPI / ON/OFF
JP3 will be set to “PI” at the factory. The ON/OFF setting is used if you do not wish TPI control to be activated (i.e. the unit operates like a conventional programmable room thermostat)
To Reset the unit:
Adjusting TPI Settings
TPI is enabled or disabled by the installer by means of a jumper link (JP3) inside the thermostat. If TPI has been enabled by the installer then 3 settings can be adjusted:
If TPI has been disabled by the installer then only a switching differential (hysteresis) can be selected.
Temperature Calibration (Offset)
It is possible to offset the temperature sensor within the thermostat. This can be used, for example, where the thermostat is positioned in a cold part of the room. In such a case the temperature offset can be used to increase the display temperature such that it is more representative of the actual room temperature.
Locking the Thermostat
The thermostat has a locking facility. This can be used to prevent unauthorised personnel tampering with the thermostat.
SUNVIC
DOWNLOAD MANUALS:
Sunvic 12570 Programmable room thermostat Installational Instruction
OTHER MANUALS:
Sunvic 12570 Programmable room thermostat User Manual
Sunvic 12570 Programmable room thermostat Product Specifications Guide
Sunvic 12570 Programmable room thermostat Installational Instruction
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