Heatmiser SLIMLINE User manual
1Model: PRT-E Model: Slimline
Model: Slimline
1 Slimline Series
Table of Contents
1
2
3-4
5-6
7-8
9
10
11-12
13
14
15
16
17
18
19-22
23
24
25-27
Product Image
Table of Contents
What is a Programmable Room Thermostat?
Installation Procedure
LCD Display
Setting the Clock
Temperature Display
Setting the Comfort Levels
Locking the Thermostat
Setting the Temperature
Temperature Hold
Holiday Programming
Frost Protection
Power On / Off
Optional Features
Re-calibrating the Thermostat
Factory Reset
Wiring Diagrams
Table of Contents
1
2
3-4
5-6
7-8
9
10
11-12
13
14
15
16
17
18
19-22
23
24
25-27
1
13
7-8
17
3-4
15
10
19-22
Product Image
Table of Contents
What is a Programmable Room Thermostat?
Installation Procedure
LCD Display
Setting the Clock
Temperature Display
Setting the Comfort Levels
Locking the Thermostat
Setting the Temperature
Temperature Hold
Holiday Programming
Frost Protection
Power On / Off
Optional Features
Re-calibrating the Thermostat
Factory Reset
Wiring Diagrams
Product Image
Locking the Thermostat
LCD Display
Frost Protection
What is a Programmable Room Thermostat?
Temperature Hold
Temperature Display
Optional Features
24Factory Reset
2Model: Slimline
3 Slimline Series3 Slimline Series
What is a Programmable Room Thermostat?
A programmable room thermostat is both a programmer and a room thermostat.
The programmer allows you to set “On” and “Off” periods to suit your own lifestyle.
The 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 and preferences.
Setting a programmable room thermostat to a higher temperature will not make the
room heat up any faster. How quickly the room heats up depends on the design & size of
the heating system.
Similarly reducing the temperature setting does not affect how quickly the room cools
down. Setting a programmable room thermostat to a lower temperature 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.
4Model: Slimline
The best way to do this is to set the room thermostat to a low temperature
– say 18°C , and then turn it up by 1°C each day until you are comfortable with the
temperature. You won’t have to adjust the thermostat further. Any adjustment above
this setting 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 TRVs.
You are able to temporarily adjust the heating program by overriding or using the
temperature hold feature. These features are explained further on pages 14 and 15 of
this manual.
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 also prevent the thermostat from working
properly.
5 Slimline Series
Installation Procedure
This Slimline Series thermostat is designed to be flush mounted and requires a back
box of 35mm (minimum depth) to be sunk into the wall prior to installation.
Step 1
Carefully separate the front half of the thermostat from the back plate by placing a
small flat head terminal driver into the slots on the bottom face of the thermostat.
Step 2
Place the thermostat front somewhere safe.
Terminate the thermostat as shown in the diagrams on pages 25-27 of this booklet.
Step 3
Screw the thermostat back plate securely into the back box.
Step 4
Clip the front of the thermostat back onto the thermostat back plate.
Do
Mount the thermostat at eye level.
Read the instructions fully so you get the best from our product.
Don’t
Do not install near to a direct heat source as this will affect functionality. Do
not push hard on the LCD screen as this may cause irreparable damage.
6Model: Slimline
1 2
3 4
1 2 3 4 5
6 7 8 9 10 11
12
7 Slimline Series
8Model: Slimline
1. Room Temp - Indicates the current temperature sensor mode.
2. Day Indicator - Displays the current day.
3. Frost Icon - Displayed when the thermostat is in frost protection mode.
4. Flame Icon - Displayed when the thermostat is calling for heat, the flame icon
will flash when the optimum start function is in operation.
5. Temperature Hold - When a Temp Hold is active, HOLD FOR and the remaining
time period is displayed.
6. Set - Indicates when changes are being made to programs or temperature set
points.
7. Holiday Indicator - Displayed when the thermostat is in holiday mode.
8. Current Temp - Indicates the current sensor temperature.
9. Program Cycle Indicator - Displayed during programming only to show which
period is being altered.
10. Keypad Lock Indicator - Displayed when the keypad is locked.
11. Units of Temperature - Degrees Celsius or Fahrenheit.
12. Clock - Digital clock display in 24h format.
LCD Display
9 Slimline Series
Setting the Clock
To set the clock, follow these steps.
• With the thermostat turned ON, press the Clock key twice ................................
• Use the Up/Down keys to set the hours .............................................................
• Press H to confirm settings ...............................................................................................
• Use the Up/Down keys to set the minutes ........................................................
• Press H to confirm settings ..............................................................................................
• Use the Up/Down keys to set the day of the week .........................................
• Press A to confirm settings and return to main display .........................................
Day
Hours
Minutes
Table of contents
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