Programmable Room Thermostat With RF

Programmable Room Thermostat With RF
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Programmable Room Thermostat
With RF
Instruction Manual
Model No RT500RF
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PRODUCT COMPLIANCE
This product complies with the essential requirements of the
following EC Directives:
• Electro-Magnetic Compatibility directive 2004/108/EC
• Low Voltage Directive 2006/95/EEC
• EC Marking directive 93/68/EEC
SAFETY INFORMATION
These instructions are applicable to the Salus Controls model stated
on the front cover of this manual only, and must not be used with
any other make or model.
These instructions are intended to apply in the United Kingdom only,
and should be followed along with any other statutory obligations.
This accessory must be fitted by a Competent person, and
installation must comply with the guidance provided in the current
editions of BS7671 (IEE Wiring Regulations) and Part ‘P’ of the
Building Regulations. Failure to comply with the requirements of
these publications could lead to prosecution.
Always isolate the AC Mains supply before opening or removing
the unit from the wall or wall box.
When fitting batteries don’t mix old and new batteries
together. Do not use rechargable batteries.
Please leave these instructions with the end user where they should
be kept in a safe place for future reference.
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INTRODUCTION
A programmable thermostat is a device
that combines the functions of both a
room thermostat and heating controller
into a single unit. The programmable
thermostat is used to switch the heating
system in your home on and off as
needed. It works by controlling the
temperature according to a series of
programmed settings that take effect at
different times of the day.
The RT500RF from Salus Controls is a stylish and accurate 5/2 or 7 day
programmable electronic thermostat with a large, easy to read Liquid Crystal
Display (LCD). This programmable thermostat has been specifically designed to
be used for both Volt Free and AC heating applications. This programmable
thermostat can replace most common residential thermostats and is designed
to be used with electric, gas or oil heating control systems. Unlike ordinary single
unit design thermostats, this is a new type of thermostat separating the
operational functions into two units.
The Receiver is used for wiring connections and heat on/off control. The Control
Centre provides the user interface and temperature sensing / control. The two
units are linked together by a Radio Frequency (RF) signal.
Features
•
•
•
•
•
•
•
•
Volt free switching option
5/2 or 7 day programming flexibility
Built-in start up programming for quick installation
Frost protection
Large, easy to read LCD with blue backlight
Burner on symbol
Easy to use programming
User friendly
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INSTALLATION
Please read the important safety information at the start of this
manual before you begin to install the device.
The RT500RF Control Centre is easily installed using the Industry
Standard back plate supplied with the unit – this is used purely for
mounting purposes, as no wiring is needed for the Control Centre.
The back plate can be mounted directly to the wall surface.
The ideal position to locate the RT500RF Control Centre 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 operation of the Radio Frequency (RF) signal,
always ensure that the programmable thermostat is mounted away
from any possible sources of interference (such as radios, TV sets,
computers, etc.), and is not mounted on or in close proximity to
large metal objects. Installing the RT500RF in enclosed areas such as
cellars and basements is not recommended.
CONNECTING THE RT500RF 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 programmable thermostat
consult either with a qualified electrician, heating engineer or your
boiler / heating system supplier for advice on how to continue.
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The RT500RF 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, as
shown in this picture:
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 (red) 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 Centre.
The wiring terminals and RF Address Code
setting DIP switches are located on the
rear of the Receiver, as shown in this
picture:
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RECEIVER WIRING TERMINALS
Terminal Identifier Description
1
NO
2
COM
Normally Open [N/O]
Linked Live feed (230V AC heating applications only)
3
L
Live feed (230V AC)
4
N
Neutral
TYPICAL WIRING INSTALLATIONS
a.230V AC Installation
BOILER
RECEIVER
N/O COM L N
N MAINS
L FEED
Thermostat loop (Remove link)
Live Feed
N
L
SL
L
N
E
Notes:
• Receiver unit should have a permanent 230V AC main supply
• Confirm that the Boiler has an external thermostat loop and
is configured for 230V switching
• If the boiler has two terminals for the thermostat, remove the
link from the boiler
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BOILER
RECEIVER
N/O COM L N
N MAINS
L FEED
Thermostat loop (Remove link)
Live Feed
L
SL
L
N
E
Notes:
• Receiver unit should have a permanent 230V AC main supply
• Confirm that the Boiler has an external thermostat loop
and is NOT configured for 230V switching
• If the boiler has two terminals for the thermostat,
remove the link from the boiler
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CONTROL CENTRE JUMPER SETTINGS
Changes to the jumper settings should only be made by the Engineer
carrying out the installation or other qualified person.
The installer should select the jumper
positions required if changes need to be
made to the factory default settings. These
jumpers are found on the rear of the
Control Centre.
Jumper
Function
Program
Jumper for 5-2 (factory default setting) or 7
individual days programming.
Span
Movable jumper for selecting temperature span
of ± 0.5°C (factory default setting) or ± 1.0°C
1,2,3,4,5
Removable jumpers for altering the RF address
code when used in conjunction with the
corresponding DIP switch on the Receiver.
NOTE: The Reset button must be pressed after changing jumper positions.
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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 fault triggered by the other
Control Unit. You can change the RF Address Code to help prevent this
problem.
Each Receiver can only respond to RF transmissions from a Control Centre
that has the same RF address code setting.
Disconnect any AC power to the Receiver, and remove the batteries from the
Control Centre before attempting any adjustment of the RF Address Code
switches 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 (the levers are numbered 1 to 5 from bottom to top, as shown in the
picture below), and then make a note of the setting of each switch:
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To adjust the RF address code of the Control Centre, remove one or more of
the jumper caps located on the back of the unit (labelled 1,2,3,4 and 5, and
shown in the picture below) so that the jumper settings match the settings
made on the receiver:
For example, if the DIP switches on the Receiver were set as follows:
1
2
3
4
5
-
ON
OFF
OFF
OFF
ON
Then you would need to remove jumper caps 2, 3 and 4 on the Control
Centre to make sure that they are both set with the same RF address code.
Please make sure that you keep any of the jumper caps you remove in a safe
place, in case you later need to change the RF address setting again.
You must press RESET on the Control Centre after making any changes to
the RF address code settings.
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TESTING THE RF TRANSMISSION
It is important to site both the Receiver and Control Centre in locations
where the RF signal cannot be interrupted.
The receiving range between Control Centre and Receiver is approximately
30 metres 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 Centre
location to the Receiver location before fixing the Control Centre to the wall.
To check the RF reception, follow the following steps:
1. Press the UP button on the Control Centre until the set point
temperature is higher than room temperature by a few degrees.
2. Wait for a few seconds. The Burner on (heat call) indicator should
appear on the bottom left of the LCD on the Control Centre.
3. Check the green LED on the receiver unit - it should be lit.
4. Press the DOWN button to adjust the set point temperature to be
lower than room temperature.
5. Wait for a few seconds, and the Burner on (heat call) indicator
should disappear and the green LED should switch off.
6. If at step 3 the green LED is not illuminated, press the RESET button on
the Control centre and try to place the Control Centre closer
to the Receiver.
7. Repeat steps 1 to 5.
If you are unable to get a stable RF connection between the Receiver and
Control Centre, check that the Receiver is both switched on and has a mains
supply (red LED lit). If this isn’t the problem you can also alter the RF address
code by following the ‘RF Address Code Setting’ section of this manual, and
then repeat steps 1 to 5 (note that the RESET button on the Control Centre
should be pressed after altering the address code).
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MULTIPLE THERMOSTAT INSTALLATIONS
If you are using more than one RT500RF programmable thermostat
in the same installation, be sure that there is at least a 1 metre gap
between receiver units to avoid crosstalk and other RF interference.
When installing multiple thermostats, you should assign different RF
address codes for each RT500RF by following the instructions in the
‘RF Address Code Setting’ section of this manual. Each RT500RF
should be introduced to the installation one at a time with all other
Receiver units switched off. Also make sure that the batteries are
removed from all other Control Centres.
Install each unit following the ‘Testing the RF Transmission’ section
above - once you are happy with the operation of one unit you can
install the next.
Once all the RT500RF units have been installed, if one unit then
seems to function abnormally, try changing the RF address code of
that unit’s Control Centre and its corresponding Receiver, making
sure that the new RF address code is different to all others in the
installation.
The control centre sends RF On/Off signals every 10 minutes to
ensure the Receiver is in the correct state. If for some reason the first
RF signal is interrupted you may notice the Control Centre has
stopped or started calling for heat but the Receiver hasn’t switched.
Simply wait 10 minutes until the next RF signal is transmitted and
the receiver unit should then switch correctly.
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AFTER INSTALLATION
The following table shows the settings of the RT500RF programmable
thermostat after Power on, or after RESET is pressed:
Function
Operation Mode
Room Temperature
°C indicator
Clock
AM/PM indicator
Day of Week indicator
Program
Set Point Temperature
Program Number indicator
SET indicator
PROG indicator
Frost Protection indicator
Heat indicator
Low-Battery Warning indicator
Output Relay
Status After Reset or Power On
Normal mode
22.0 °C, updated within 5 seconds
On
12:00
AM
M
Default factory setting
Default factory setting
1
Off
Off
Off
Off
Off, updated within 5 seconds
Off
After Power on, the thermostat will operate in Normal mode (Normal mode is
when the thermostat is displaying the room temperature):
• The set point temperature is reset to the default setting
• The room temperature display is updated within 5 seconds
• The control process starts
• The programme number is updated to indicate the running program
If the Reset Button is pressed, the RT500RF will behave in the same way as
described above, except that any previously saved user settings stored in the
internal memory will be deleted and overwritten with the default settings, and
all programmable thermostat control settings will be returned to default values.
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USER INTERFACE AND CONTROLS
The status and operation of the RT500RF is
clearly shown on the large backlit Liquid Crystal
Display (LCD).
This display allows the user to see at a glance the
current status of the heating system, the current
time and day of the week, as well as a clear
indication of the current room temperature.
There are few user controls for the RT500RF,
making the programmable thermostat very easy
to operate. These controls are shown below,
along with a description of each of their
functions.
USER CONTROL
FUNCTION SUMMARY
Key / Operation
Symbol
Functions
UP key
Increases the selected setting
DOWN key
Decreases the selected setting
BACKLIGHT /
FROST key
Manually turns on the LCD backlight
for 5 seconds, or activates /
deactivates Frost Protection
SELECT key
Selects a clock or programme setting
SET key
Sets a clock or programme setting
RESET button
Resets the programmable thermostat
to default (original factory) settings
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OPERATION
The RT500RF is configured and adjusted by
the use of a minimal number of user
controls, and an intuitive user interface.
The backlit Liquid Crystal Display (LCD)
gives a highly visible, easily readable
indication of the programmable thermostat
status.
SETTING THE TIME
Press and hold SET and SELECT when the
RT500RF is in Normal mode for a few
seconds to enter the Clock setting mode.
Release both keys and the display will look
like the image below:
The Time and Day are displayed along with a SET indicator, with all other
indicators cleared from the display. The hour part of the time is flashing to
indicate that it is the currently selected item and is ready to be adjusted.
•
•
•
•
Press the UP or DOWN keys to increase or decrease the ‘hour’ setting – the
selected item will stop flashing while a key is pressed, and will resume
flashing when you release the key.
Press the SELECT key to select the ‘minutes’ section of the time. Set the
minutes in the same way as the hour by using the UP and DOWN keys.
Press SELECT again to select the Day, and again change the setting with
the UP and DOWN keys.
Press the SET key to confirm the new time and day settings. This will store
the changes and return the RT500RF to Normal mode.
The RT500RF Control Centre will also return to Normal mode (and save the
clock settings) if no keys are pressed for more than 15 seconds.
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PROGRAMMING THE RT500RF
The RT500RF offers great versatility with its programming options, allowing
the user to programme the unit to operate on a 5/2 or 7 day control cycle.
The programmable thermostat has a default set of Programmes that have
been designed to meet the needs of most users. If these default programmes
are not suitable for your particular situation, reprogramming the RT500RF
with your own settings is a very straightforward operation.
Selection of the default programming mode (5/2 or 7 day) is made by
changing the jumper setting on the rear of the RT500RF Control Unit, as
previously described within the Installation section of this manual.
5/2 DAY MODE
5/2 day mode is the default programming mode for the RT500RF. With this
mode selected, five different sets of time and set point temperatures can be
set for Weekdays or Weekends.
To review or change a programme, press the SET key when the RT500RF is
in Normal mode. This will change the unit status to Programme Setting
mode.
The LCD display will display programme number 1 and SET PROG, with all
other indicators cleared. The weekdays will be flashing to indicate they are
the selected item and are ready to be adjusted:
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Press the UP or DOWN key to select the programme set for either Weekday
or Weekend to be reviewed or adjusted. Pressing the SET key at any time
when in programming mode will return the RT500RF into Normal mode.
Press the SELECT key to confirm the Weekday or Weekend selection. Once
this is set, the ‘Hour’ will flash to indicate that it is the selected item and is
the next item to be adjusted:
Press the UP or DOWN key to adjust the
hour setting to the desired value, and
confirm your selection by pressing the
SELECT key.
Pressing the SELECT key allows you to
step through each of the items to be
reviewed or adjusted within the
programmes in the following sequence:
Programme
Function Sequence
1
Hour
Minutes
Set point temperature
2
Hour
Minutes
Set point temperature
3
Hour
Minutes
Set point temperature
4
Hour
Minutes
Set point temperature
5
Hour
Minutes
Set point temperature
…before then allowing you to cycle back to Programme 1. Pressing the SET
key at any time will confirm the setting and return to the programme set
selection.
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7 DAY MODE
The RT500RF also offers a 7 day programming mode, which allows you to
programme five different sets of time and set point temperatures for each
day of the week to give a total of 35 separate programme settings.
To review or change a programme, press the SET key when the RT500RF is
in Normal mode. This will change the unit status to Programme Setting
mode.
The LCD display will display programme number 1 and SET PROG, with all
other indicators cleared. The weekdays will be flashing to indicate they are
the selected item and are ready to be adjusted.
Press the UP or DOWN key to change the
display to indicate the single day you
want to programme:
Pressing the SET key at any time when in programming mode will return
the RT500RF into Normal mode. Press the SELECT key to confirm the Day
selection. Once this is set, the ‘Hour’ will flash to indicate that it is the
selected item and is the next item to be adjusted:
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Press the UP or DOWN key to adjust the hour setting to the desired value,
and confirm your selection by pressing the SELECT key.
Pressing the SELECT key allows you to step through each of the items to be
reviewed or adjusted within the programmes in the following sequence:
Programme
Function Sequence
1
Hour
Minutes
Set point temperature
2
Hour
Minutes
Set point temperature
3
Hour
Minutes
Set point temperature
4
Hour
Minutes
Set point temperature
5
Hour
Minutes
Set point temperature
…before then allowing you to cycle back to Programme 1. Pressing the SET
key at any time will confirm the setting and return to the programme set
selection. Each programme for all the other days of the week is set in exactly
the same way – just repeat the steps shown above, after entering
programming mode and selecting the day you want to programme.
Regardless of which programming mode the RT500RF is set for (5/2 or 7
day), not pressing any keys for 15 seconds will automatically save any
programming changes and exit to Normal mode. You can also review or
change programme settings when Frost Protection is enabled.
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FROST PROTECTION
To enable the Frost Protection mode, press and hold the BACKLIGHT / FROST
button for three seconds with the RT500RF in Normal mode. Once Frost
Protection is enabled, the set point temperature is automatically set to 5°C
to provide protection from the risk of freezing.
Whenever Frost Protection is activated, the Frost Protection indicator will
flash in the sequence shown below:
While Frost Protection is activated, it will override any programme settings
until the mode is changed. To turn off Frost Protection mode, press and hold
the BACKLIGHT / FROST button for three seconds.
REVIEWING SET POINT TEMPERATURE
You can view the set point temperature at any time by pressing either the UP
or DOWN key.
When any programme is running, the LCD
display will show the programme set point
temperature with the SET indicator
displayed:
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When operating in Frost Protection mode,
the LCD display will show a reading of 5 °C
and also display the Frost Protection
indicator:
When operating in Temporary Override
mode, the LCD display will show the
temporary set point temperature:
To exit from the set point review, press any key except the UP or DOWN keys,
or don’t press any keys for approximately four seconds – either of these
actions will return the RT500RF to Normal mode.
TEMPORARY OVERRIDE
It is possible to temporarily override the current set temperature of the
RT500RF. There are two ways to do this:
•
•
While reviewing set point temperature: Pressing the UP or DOWN key
while reviewing the set point temperature will increase or decrease the
set point temperature in 0.5 °C steps.
In Normal mode: press and hold either the UP or DOWN key to display
the set point temperature. After two seconds, the RT500RF will enter
Temporary Override mode and allow increase or decrease of the set point
temperature. If the key is released within two seconds then you will only
be able to review the set point temperature.
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Once in Temporary Override mode, the clock and day are displayed, along
with the SET indicator; all other indicators are cleared from the display. The
set point temperature will flash to indicate that it can be changed:
Pressing the UP or DOWN key will increase or decrease the set point
temperature in 0.5 °C steps - the set point temperature can be adjusted
within a set range or 10 °C to 35 °C.
You can press SET at any time to confirm the new Temporary Override
setting and return to Normal mode, or press no keys at all and wait
approximately four seconds.
Temporary Override mode remains active until the clock or programme
settings are adjusted, Frost Protection is activated or the next programme
time / temperature set point is reached.
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OTHER FUNCTIONS AND CONTROLS
Backlight
The backlight of the RT500RF 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 settings within
the Clock, Programme or Temporary Override modes – in this case, the
backlight will remain illuminated throughout the setting change process.
The backlight will not illuminate if the RT500RF battery is low.
Battery Status
The RT500RF 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 around 2.6V), the low battery
indicator
will be displayed on the screen.
Although 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.
Reset Button
The Reset Button is provided as a way to restore the programmable
thermostat to its default factory settings. Pressing this button will delete any
previously entered settings.
Sleep Mode
By pressing both the UP and DOWN keys together, the RT500RF will enter
SLEEP mode. In this mode, all the RT500RF functions will be paused to save
battery power, with the exception of the clock which will continue to run in
the background.
While in SLEEP mode:
• The LCD display will be blank.
• All output from the Control Unit will be turned off immediately.
Press any key to wake up the RT500RF and cancel SLEEP mode.
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ENERGY TIP
One way to set and use your room thermostat is to find the lowest
temperature setting that you are comfortable with, and then leave it set at
this temperature. You can do this by setting the room thermostat to a low
temperature, (for example 17 °C) and then increasing the setting by one
degree each day until you are comfortable with the room temperature - you
won’t have to adjust the thermostat further, as adjustment above this setting
will waste energy - a 1 °C increase in temperature is equal to 3% of your
heating costs.
MAINTENANCE
The RT500RF programmable thermostat requires no special maintenance.
Periodically, the outer casing can be wiped clean using a dry cloth (please
DO NOT use solvents, polishes, detergents or abrasive cleaners, as these can
damage the thermostat).
There are no user serviceable parts within the unit; any servicing or repairs
should only be carried out by Salus Controls or their appointed agents.
Should the RT500RF programmable thermostat fail to function correctly,
check:
•
•
•
•
The batteries are the correct type, fitted correctly and are not exhausted
- fit new batteries if in doubt.
Heating system is switched on.
The RT500RF Receiver is switched on.
If the RT500RF is still not functioning correctly, press the Reset Button.
WARRANTY
Salus Controls warrants that this product will be free from any defect in
materials or workmanship, and shall perform in accordance with its
specification, for a period of two years from the date of purchase. Salus
Controls sole liability for breach of this warranty will be (at its option) to
repair or replace the defective product.
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PRODUCT SPECIFICATION
Model:
Type:
RT500RF
Electronic programmable thermostat, designed
for Volt Free and AC heating applications.
868 MHz
Frequency
Programming
Programming Modes:
Number of Programmes:
Override Facility:
User selectable for 5/2 or 7 day option
Five (5) user programmes plus factory
default programme.
User selectable programme override facility.
Default Programmes
Programme
1
2
3
4
5
Output
ON
TEMP
ON
TEMP
ON
TEMP
ON
TEMP
ON
TEMP
Weekday
6:00 AM
21 ºC
8:00 AM
17 ºC
4:00 PM
21 ºC
6:00 PM
21 ºC
10:00 PM
17 ºC
Weekend
6:00 AM
21 ºC
8:00 AM
21 ºC
4:00 PM
21 ºC
6:00 PM
21 ºC
10:00 PM
17 ºC
Temperature
Scale:
Range:
Resolution:
Tolerance:
Display Range:
Display Resolution:
Celsius
5 ºC to 35 ºC
0.5 ºC
Less than ± 0.5 ºC at 25 ºC
5.0 ºC to 45.0 ºC
0.5 ºC
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Clock
Accuracy:
Display:
± 1 minute per month
12 hour
Frost Protection
Setting:
5 ºC
Setpoint Temperature Range:
5 ºC to 35 ºC
Measured Air Temperature Range: 5 ºC to 45 ºC (Displayed on LCD)
If room temp is higher than 45C,will show HI on
the LCD, if less than 5C will show LO on the LCD
Control Centre
Power Source:
2 x AA alkaline batteries
(don’t use rechargeable batteries)
Receiver
Power Source:
230V AC / 50Hz
Switch Rating
Switching Voltage:
Switching Current:
Protection Rating:
230V AC / 50Hz
16A resistive, 5A inductive
IP30
Environment
Operating Temperature:
Storage Temperature:
26
0 ºC to + 40 ºC
- 10 ºC to + 60 ºC
RT500RF INSTRUCTION MANUAL
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RT500RF Warranty
Salus Controls warrants that this product will be free from any defect in
materials or workmanship, and shall perform in accordance with its
specification, for a period of two years from the date of purchase. Salus
Controls sole liability for breach of this warranty will be (at its option) to
repair or replace the defective product.
Customer Name: ....................................................
Customer Address: ................................................
...............................................................................
Post Code: ..................... Tel No: ............................
Email: .....................................................................
Engineers Company: ..............................................
Tel No: ...................................................................
Email: ....................................................................
Intallation Date: .....................................................
Engineers Name: ....................................................
Engineers Signature: ..............................................
RT500RF INSTRUCTION MANUAL
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salus-tech.
Sales: Email: sales@salus-tech.com Tel: 01226 323961
Technical: Email: tech@salus-tech.com Tel: 01226 323961
Salus Controls plc, Salus House, Dodworth Business Park South,
Whinby Road, Dodworth, Barnsley S75 3SP
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