Heatmiser PRT-R2 User manual

Operating
Instructions
PRT-R2
REV: 1
Heatmiser UK Ltd Tel: [phone]
Primrose House www.heatmiser.co.uk
Primrose Street
Darwen
Lancashire
BB3 2DE
PRT-R2 Manual REVISION 1.qxd 18/11/2005 12:27 Page 1

Contents
Contents 1
Button Layout 2
LCD Symbols 3
Installation 4-6
Initial Setup 7-11
Temporary Temperature Adjust 12
Turning the Heating Off 12
Setting the comfort levels 13-14
Wiring
PRT-R2 Wiring Diagrams 16
12
Power
On/Off
Clock
Button
“H”
Button “A”
Button
“Down”
Button
“Up”
Button
InfraRed
Receiver
Button Layout
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LCD Symbols
Clock Indicator
Heat Active Indicator
Frost Mode On
Floor Temperature Over Limit
KeyLock On
1.Installation
1. The thermostat is flush mount, a back box of 35mm
should have been sunk in the wall prior to installation.
2. The thermostat should be mounted at around 6ft or
eye level.
3. Do not install near a direct heat source.
Step 1
Carefully separate the front half of the thermostat from
the back plate by placing a small flat head
terminal driver in to the slots on the bottom face of the
thermostat.
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Step 2
Carefully unplug the ribbon connector which is
plugged in to the front half of the thermostat.
Place the thermostat front half somewhere safe.
Terminate the thermostat as shown in the diagrams at
the back of this booklet.
Screw the thermostat back plate on to the back box.
Step 3
Re-connect the thermostat ribbon cable and clip the
two halves together.
Step 4
Turn on the power to the thermostat and allow
the thermostat to stabilise for 1 hour before
calibrating.
6
5
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8
7
3. Initial Setup
A) Frost Protection (Thermostat Off)
You now need to decide if you wish the thermostat to
maintain the frost temperature when you have turned
the thermostat off by using the Off button.
• Turn the thermostat Off
• Press for 3 seconds.
• Select 01 to enable Select 00 to disable
• Press Off to store
B) Frost Protection Temperature
On the PRT-R2 you are able to adjust the frost
protection temperature. The range is 07-17°C
• Turn the thermostat off
• Press and A for 3 seconds.
• You can now enter the required temperature.
• Press the Off button to store
C) Calibrating the PRT-R2
The PRT-R2 has a room (built in to the thermostat)
and remote floor sensor. The room sensor must be
calibrated when it is first installed. The floor sensor
does not require calibration.
To calibrate the sensor, first obtain an accurate sensor
reading from an accurate thermometer and then follow
the steps below.
• Turn off the PRT-R2
• Press and H for 3 seconds
• Using the Up/Down arrow keys select the correct
temperature
• Turn the thermostat off to store the temperature.
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910
D) Setting the Clock
To set the clock within the PRT-R2, follow the steps
below.
• With the thermostat turned on, press twice
• You are now able to set the minutes using the
up/down keys
• Press H to accept
• You are now able to set the hours using the up/down
keys
• Press H to accept
• You are now able to set the day of the week using
the up/down keys
• Press A to store and exit
The clock is now set. The PRT-R2 has a battery which
maintains the clock on a power failure. All program
settings are retained in flash memory for 10 years.
E) Enabling / Disabling the floor limit sensor
The PRT-R2 is supplied with a floor sensor probe. This
sensor is used to prevent the floor from overheating.
The floor sensor is enabled as a factory default, to
disable follow the steps below.
• With the thermostat turned on, press the H and Up
arrow key for 5 seconds.
00 = Disabled
01 = Enabled (Factory default)
If the remote sensor probe has been enabled, the
PRT-R2 will detect if the sensor is faulty /
disconnected. In such a case, the heating will turn off
so that there is no risk of the floor surface overheating.
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11
F) Setting the floor limit temperature
If you have enabled the floor sensor probe, you need
to set the floor limit temperature. Should the floor
temperature reach this limit, the heating will be turned
off and will be displayed on screen.
• With the thermostat turned off, press H and Up arrow
key
• Use the Up/Down arrow keys to select the floor limit
temperature. 28 is the factory default.
• To store, press the Off button.
Viewing the Floor Temperature
Press and hold the A button to view the floor
temperature.
Temperature Override
Using the Up/Down arrow keys you can adjust the
current set temperature. On the screen, you will see
SET and the new temperature displayed.
This temperature will be maintained until the next
programmed comfort level.
Turning The Heating Off (Frost Protection)
By pressing the H button, the thermostat will switch
into frost protection mode. You will see a frost symbol
on screen.
The frost protection temperature will now be
maintained. To cancel, repeat the steps above.
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14
Setting the Comfort Levels
The PRT-R2 has 4 comfort levels for the weekday and
4 for the weekend. This method of control is not to
have on/off times but to allow the occupant to set
varying temperatures throughout the day.
For example;
08.00 - 21 (Wake) 09.30 - 16 (Go to work)
16.30 - 22 (Return home) 23.00 - 17 (Sleep)
If you only want to use 2 levels, you should program
the unused levels to --.--
You are now able to program the first comfort level for
the weekday.
Follow these steps;
• To begin programming the comfort levels, press
once. You will see Mo - Fr displayed.
• Use the Up/Down arrow keys to select the time for
the 1st comfort level for the weekday.
• Press H to accept
• Enter the required temperature for the 1st comfort
level.
• Repeat for comfort levels 2-4.
• You will now see Sa Su on the screen. Repeat for
the comfort levels for the weekend.
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Keylock Function Enable/Disable
This function allows you to lock the keypad. To use this
function, you first need to enable it.
• Turn the thermostat off
• Press the A and Up arrow key for 10 seconds
• 00 = disabled 01 = enabled
• Press A to store
Turning on the Keylock
• With the thermostat turned on, press A and UP for 10
seconds
• You will see on screen. This shows the keylock
function has been enabled.
• To cancel, press A and UP for a further 10 seconds.
15 16
Set-point range: 5-35 °C (Room)
Set-point range: 20-45 °C (Floor)
Switch Current Rating: <16A
Heatmiser PRT-R2
L
N
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