Salus RT500 Instruction Manual
Frost Protection:
•
Press and hold BL/FROST in Normal mode for 3
seconds to activate the Frost Protection.
The Setpoint temperature is automatically set to 5°C
to prevent frosting.
Whenever the Frost Protection is activated, the Frost
Protection indicator is animating with the below
sequence in 4Hz.
Press BL/FROST for 3 seconds to de-activate the
Frost Protection, the Frost Protection indicator is
turned off.
•
Press SET at any time during program set and
selection will immediately return to Normal mode.
•
Press SELECT at any time to confirm the selection.
"Hour" is flashing
to indicate that
it is the selected
item to be
adjusted.
7 days program selected
•
5 different sets of Time and Setpoint
temperature can be set for each Day of Week.
Total 35 settings.
•
To review or change program, press SET in
Normal mode to enter Program Setting mode.
Program 1 of Monday, and "SET PROG" are
displayed. All other indicators are cleared. "Day
of Week" is flashing to indicate that it is the
selected item to be adjusted.
Program Setting Mode:
5-2 days program selected
•
5 different sets of Time and Setpoint temperature
can be set for Weekday or Weekend. Total 10
settings.
•
To review or change program, press SET in
Normal mode to enter Program Setting mode.
Program 1 of the Weekday, and "SET PROG" are
displayed. All other indicators are cleared.
"Weekday" is flashing to indicate that it is the
selected item to be adjusted.
•
Press or to select the program set for
Weekday/Weekend to be reviewed or adjusted.
•
Press SET at any time during program set,
this will immediately return to Normal
mode.
• Release SET and SELECT, press or to
increase or decrease the "hour" respectively.
• Press and release SELECT, press or to
increase or decrease the "minute" respectively.
• Press and release SELECT, press or to cycle
the Day of Week from "M" to "SU".
• Press and release SELECT to allow change of
"hour" again.
• Press and hold or for 2 seconds to enter fast
advance in 4Hz.
• Selected item will stop flashing when a key is
pressed. The selected item will flash again once
the key is released.
• Press SET at any time to confirm the setting and
return to normal mode.
• Thermostat will return to normal mode after 15
seconds if no key is pressed, Clock is also
updated with the latest setting.
Initial Power Up or Reset
• After power up or RESET is pressed, the
thermostat is reset.
• During system reset, all LCD segments are
turned on for 2 seconds or any key is held. After
2 seconds and all keys are released, the
thermostat is initialised. The typical reset display
is shown below.
• Default Program Setpoint temperatures after
reset. Same for both 5-2 and 7 days program.
Salus Controls plc
Enterprise Park, Bala
Gwynedd, LL23 7NL
Regional offices, England & Scotland.
Web: www.salus-tech.com
Email: sales@salus-tech.com
Sales +44 (0) 8700 766900
Technical +44 (0) 8700 766902
Maintaining a policy of continual product
development Salus Controls plc. reserve the right to
change specification, design and materials of
products listed in this brochure without prior notice.
Manual Issue No. IM-RT500-001
Programmable
THERMOSTAT
In st ru c t io n M a nu al
for Model No. RT500
Switch/Jumpers
Function
Temperature Span
1 Jumper for +/-0.5°C (factory
default setting) or 1.0°C
selection.
Program Type
1 Jumper for 5-2 (factory
default setting) or 7 days
program.
External
1 Jumper.
Specification
Switch Rating
: 230V/50Hz/3A
Switch Type
: Single pole, single throw (SPST)
Power Supply
: 2 x AA size Alkaline batteries
Operating Temperature
: 0oC - 50˚C
Temperature Setting Range
: 5oC - 35˚C in 0.5oC steps
Storage Conditions
: -20˚C - 55˚C to 90% RH/non
condensing
Frost Protection Temperature
: Auto cut off at over 35˚C
Battery Low Warning
: 2.6 - 2.8V
Temperature Control Accuracy
: +/- 0.5˚C at 25˚C
Operating Humidity
: 0 to 90% RH/non condensing
Time Display
: 12 hour/24 hour
Clock Accuracy
: +/- 1 min/month
Protection
: Auto cut off at over 35˚C
Memory
: Memory hold up: 5 minutes
Back Light
: EL Panel blue colour
Agency Approval
: CE
Micro disconnection on operation : Type 1.B control action
Rated Impulse Voltage
: 4kV
PRIOR TO INSTALLING PLEASE READ
THE INSTALLATION GUIDE
The RT500 is easily installed using the Industry Standard
back plate supplied, which can be mounted directly to
the wall surface or a single gang recessed box using the
holes provided; cable entry is from the rear.
The RT500 must be located where it would not be
subjected to extraneous heat gain/loss (such as above
radiators, direct sunlight or in draughts).
Normal household air circulation.
Switches/Jumpers:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
•
Press any key except or, or wait 3-4
seconds without key press to return to normal
mode, room temperature will be displayed.
LCD Backlight:
•
LCD backlight is activated when BL/FROST or
any key is pressed. The backlight will
automatically turn off in 5 seconds after all keys
are released.
•
LCD backlight will not operate when battery is
low.
•
LCD backlight is illuminated throughout the
Clock, Program, and Temporary Override
Temperature settings.
Back Plate & Wiring
for the RT500
Terminals:
Terminal Name
Function
L
Live
SL
Switched Live
Earth Parking
• Following table is the setting of the thermostat
after reset or Power on:
Function
Status after Reset or Power on
Operation Mode
Normal mode
Room Temperature
22.0°C, to be renewed
within 5 seconds
°C indicator
On
Clock
12:00
AM/PM indicator
AM
Day of Week indicator M
Program
Default factory setting
Setpoint Temperature Default factory setting
Program Number
1
indicator
SET indicator
Off
PROG indicator
Off
Frost Protection
Off
indicator
Heat indicator
Off
Low-Battery Warning
Off, to be renewed
indicator
within 5 seconds
Output Relay
Off
After reset or power on, the thermostat will operate
in Normal mode. Setpoint temperature is reset to
default setting. Room temperature is updated in 5
seconds and the control process starts. Program
Number is updated to indicate the running
program.
User Guide
Key
Function
Increase Setpoint Temperature
Decrease Setpoint Temperature
BL/FROST
Turn on backlight for 5 seconds,
activate/de-activate Frost Protection
SET
Key for Clock/Program settings
SELECT
Key for Clock/Program settings
RESET
System reset
Program Weekday (M to F)
Weekend (SA to SU)
1
Time: 6:00am
Time: 6:00am
Setpoint Temp: 21°C
Setpoint Temp: 21°C
2
Time: 8:00am
Time: 8:00am
Setpoint Temp: 17°C
Setpoint Temp: 21°C
3
Time: 4:00pm
Time: 4:00pm
Setpoint Temp: 21°C
Setpoint Temp: 21°C
4
Time: 6:00pm
Time: 6:00pm
Setpoint Temp: 21°C
Setpoint Temp: 21°C
5
Time: 10:00pm
Time: 10:00pm
Setpoint Temp: 17°C
Setpoint Temp: 17°C
Clock Setting Mode:
• Press and hold SET and SELECT in Normal
mode for 3 seconds to enter Clock setting mode.
Clock, Day-of-Week, and
"SET" are displayed. All
other indicators are
cleared. "Hour" is
flashing to indicate that it
is the selected item to be
adjusted.
•
Press or to
select the
program set for
Day of Week to
be reviewed or
adjusted.
•
Press “Set” to confirm at anytime to return.
5-2 or 7 days program
•
The PROG indicator is displayed accordingly to
indicate the program number.
•
Selected item will be flashing and can be
adjusted by or key. Program time is
changed in 10 minutes steps. Setpoint
temperature range is 10°C - 35°C in steps of
0.5°C.
•
Press and hold or for 2 seconds to enter fast
advance in 4Hz.
•
Selected item will stop flashing when a key is
pressed. The selected item will flash again once
the key is released.
•
Thermostat will return to normal mode after 15
seconds of no keys pressed, Program settings are
stored.
Program review/changes are allowed even when Frost
Protection is enabled.
Temporary Override:
•
Press or when reviewing Setpoint
Temperature to enter Manual Override mode,
the Setpoint Temperature is increased or
decreased by 0.5°C accordingly.
•
In Normal mode, press and hold or to
display the Setpoint temperature. After 2
seconds, the Thermostat will enter Manual
Override mode and start fast advance in 4Hz. If
buttons are released within 2 seconds without
entering Manual Override mode, this is treated
as reviewing Setpoint Temperature only.
•
Clock, Day-of-Week, and "SET" are displayed.
All other indicators are cleared.
The Setpoint temperature is flashing to indicate that
it can be changed now.
•
Release and press or again to increase or
decrease the manual override Setpoint
temperature by 0.5°C respectively.
•
Hold or for another 2 seconds to enter fast
advance in 4Hz.
•
The setting range is 10°C - 35°C in steps of
0.5°C.
•
Setpoint Temperature will stop flashing when a
key is pressed, then flashes again once the key is
released.
•
Press SET at any time to confirm the setting
and return to normal mode.
•
Thermostat will return to normal mode after 3-4
seconds if no key is pressed.
Temporary override is effective until next program
time matched, clock or program setting is adjusted,
or after Frost protection.
Reviewing Setpoint Temperature:
•
Press or to review the Setpoint
temperature.
When any program is running, the LCD will show
the program Setpoint temperature with the "SET"
indicator displayed.
When operating in Frost protection mode, the LCD
will show 5°C with the Frost Protection indicator
displayed.
When operating in Temporary Override mode, the
LCD will show the temporary Setpoint temperature
Low-Battery Detection:
Battery voltage is sampled every minute. When the
battery voltage drops to a certain level, the Low-
Battery warning indicator appears.
•
The thermostat functions normally during
battery low. However, user must change the
batteries as soon as possible before they are
so weak that normal operation cannot be
assured.
•
Battery voltage is determined as "low" when it is
less than or equal to 2.6V. It is determined as
normal when it is higher than or equal to 2.8V,
i.e. Low-Battery indicator must come out when
battery voltage is <= 2.6V, and must be turn off
when battery voltage is >= 2.8V.
•
Battery voltage is only sampled in Normal mode
and when LCD backlight is turned off.
Sleep Mode:
•
Press and hold and in Normal mode for 3
seconds simultaneously to enter the Sleep mode.
•
All the functions will be paused to save battery
power.
•
The whole LCD will be blank.
•
Output will be turned off immediately.
•
Press any key to wake up the unit.
•
Clock is continuously running in background.
Default Programme
Thank you for purchasing this Salus product
- if installing for someone else, please ensure that
the instructions are handed to the householder.
Warning - Please read this manual prior to
installation or use.
Shock Hazard
This unit must be installed by a competent person,
in accordance with BS 7671 (the IEE Wiring
Regulations), or other relevant national regulations
and codes of good practise.
Always isolate the AC Mains supply before removing
the unit from the Industry Standard Back Plate.
The installer should select the jumper positions required
if changing from the factory presets-these jumpers are
found on the rear of the unit.
4)
Enter cable to rear of back plate.
5)
Securely fix back plate to wall surface or recessed back box
using holes provided.
6)
Terminate conductors as per the wiring diagram on the
unit, ensuring conductors are firmly gripped beneath square
brass washer.
7)
This appliance is Double Insulated and must not be earthed
except at the Earth Parking terminal provided.
8)
The Industry Standard back plate has 6 holes in which to fix
to the surface of your choice. Please note that some
pressure downwards is required to lock the pins in the Unit
to connectors in the Back Plate, retain with the captive
screws at the bottom of the Back Plate taking care not to
over tighten.
9)
Fit the batteries supplied and programme unit as desired,
restore AC mains to system when all associated items are
fully installed and test for correct operation. NOTE: for your
convenience it is possible to install the batteries and
programme the unit prior to fitting to the wall.
1) Select a suitable location noting
the advice in page 1 of this
manual, a suitable mounting
height is 1.5m above FFL
2) Isolate AC mains supply, note
this must be 230 Vac and fused at 5 amps.
3) Optimum cable size is 1.5mm CSA; wiring colour codes vary
in different countries and are not defined here.
This unit does
not require to be earthed,
earth terminal provided for
safe connection of all earth
wires only.
Press SELECT at any time to confirm the selection.
"Hour" is flashing to indicate that it is the selected
item to be adjusted.
•
Press SELECT to select the items to be
reviewed or adjusted with the below sequences.
(Program 1) "hour" "minute" Setpoint temp
(Program 2) "hour" "minute" Setpoint temp
(Program 3) "hour" "minute" Setpoint temp
(Program 4) "hour" "minute" Setpoint temp
(Program 5) "hour" "minute" Setpoint temp
and then cycle back to (Program 1)
•
Press SET at any time to confirm the setting
and return for program set selection.