Programmable THERMOSTAT - Optimum Underfloor Heating

In st ru ct io n M a nu al
Programmable
THERMOSTAT
for Model No. RT500
Sales +44 (0) 8700 766900
Technical +44 (0) 8700 766902
Salus Controls plc
Enterprise Park, Bala
Gwynedd, LL23 7NL
Regional offices, England & Scotland.
Web: www.salus-tech.com
Email: sales@salus-tech.com
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
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.
PRIOR TO INSTALLING PLEASE READ
THE INSTALLATION GUIDE
4)
5)
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.
Switch/Jumpers
Function
7)
Temperature Span
1 Jumper for +/-0.5°C (factory
default setting) or 1.0°C
selection.
8)
Specification
Program Type
1 Jumper for 5-2 (factory
default setting) or 7 days
program.
1 Jumper.
Switch Rating
: 230V/50Hz/3A
Switch Type
Power Supply
Operating Temperature
: Single pole, single throw (SPST)
: 2 x AA size Alkaline batteries
: 0oC - 50˚C
External
Temperature Setting Range
Storage Conditions
condensing
: 5oC - 35˚C in 0.5oC steps
: -20˚C - 55˚C to 90% RH/non
Back Plate & Wiring
for the RT500
Frost Protection Temperature
Battery Low Warning
: Auto cut off at over 35˚C
: 2.6 - 2.8V
Temperature Control Accuracy
Operating Humidity
: +/- 0.5˚C at 25˚C
: 0 to 90% RH/non condensing
Time Display
Clock Accuracy
Protection
: 12 hour/24 hour
: +/- 1 min/month
: Auto cut off at over 35˚C
Memory
Back Light
: Memory hold up: 5 minutes
: EL Panel blue colour
Agency Approval
: CE
Micro disconnection on operation : Type 1.B control action
Rated Impulse Voltage
: 4kV
1
Switches/Jumpers:
The installer should select the jumper positions required
if changing from the factory presets-these jumpers are
found on the rear of the unit.
Enter cable to rear of back plate.
Securely fix back plate to wall surfa
using holes provided.
Terminate conductors as per the w
unit, ensuring conductors are firm
brass washer.
This appliance is Double Insulated
except at the Earth Parking termin
The Industry Standard back plate h
to the surface of your choice. Pleas
pressure downwards is required to
to connectors in the Back Plate, re
screws at the bottom of the Back P
over tighten.
Fit the batteries supplied and prog
restore AC mains to system when
fully installed and test for correct o
convenience it is possible to install
programme the unit prior to fitting
6)
9)
Terminals:
This unit does
not require to be earthed,
earth terminal provided for
safe connection of all earth
wires only.
1) Select a suitable location noting
the advice in page 1 of this
manual, a suitable mounting
height is 1.5m above FFL
Terminal Name
Fun
L
Live
SL
Swit
Eart
• Following table is the setting
after reset or Power on:
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.
2
3
pers:
4)
5)
ect the jumper positions required
actory presets-these jumpers are
he unit.
Enter cable to rear of back plate.
Securely fix back plate to wall surface or recessed back box
using holes provided.
Terminate conductors as per the wiring diagram on the
unit, ensuring conductors are firmly gripped beneath square
brass washer.
This appliance is Double Insulated and must not be earthed
except at the Earth Parking terminal provided.
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.
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.
6)
Function
7)
1 Jumper for +/-0.5°C (factory
default setting) or 1.0°C
selection.
8)
1 Jumper for 5-2 (factory
default setting) or 7 days
program.
9)
1 Jumper.
Wiring
0
Terminals:
es
earthed,
vided for
all earth
.
on noting
of this
unting
FFL
Terminal Name
Function
L
Live
SL
Switched Live
Earth Parking
• Following table is the setting of the thermostat
after reset or Power on:
upply, note
and fused at 5 amps.
1.5mm CSA; wiring colour codes vary
and are not defined here.
2
3
Function
Operation Mode
Room Temperature
Status after Reset or Power on
Normal mode
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
User Guide
Key
Function
Increase Setpoint T
SET
Decrease Setpoint
Turn on backlight
activate/de-activat
Key for Clock/Prog
SELECT
RESET
Key for Clock/Prog
System reset
BL/FROST
Initial Power Up or R
• After power up or RESET is
thermostat is reset.
• During system reset, all LCD
turned on for 2 seconds or a
2 seconds and all keys are re
thermostat is initialised. The
is shown below.
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.
• Default Program Setpoint te
reset. Same for both 5-2 and
4
5
Status after Reset or Power on
Normal mode
22.0°C, to be renewed
within 5 seconds
On
12:00
AM
or M
Default factory setting
e Default factory setting
1
g
User Guide
Key
Function
Increase Setpoint Temperature
SET
Decrease Setpoint Temperature
Turn on backlight for 5 seconds,
activate/de-activate Frost Protection
Key for Clock/Program settings
SELECT
RESET
Key for Clock/Program settings
System reset
BL/FROST
Initial Power Up or Reset
Off
Off
Off
• 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.
Off
Off, to be renewed
within 5 seconds
Off
on, the thermostat will operate
point temperature is reset to
m temperature is updated in 5
trol process starts. Program
o indicate the running
Default Programme
Clock Setting Mode:
Program Weekday (M to F)
Weekend (SA to SU)
1
Time: 6:00am
Time: 6:00am
Setpoint Temp: 21°C
Setpoint Temp: 21°C
Time: 8:00am
Time: 8:00am
Setpoint Temp: 17°C
Setpoint Temp: 21°C
Time: 4:00pm
Time: 4:00pm
Setpoint Temp: 21°C
Setpoint Temp: 21°C
Time: 6:00pm
Time: 6:00pm
Setpoint Temp: 21°C
Setpoint Temp: 21°C
Time: 10:00pm
Time: 10:00pm
Setpoint Temp: 17°C
Setpoint Temp: 17°C
2
3
4
5
• Press and hold SET and SELECT in No
mode for 3 seconds to enter Clock settin
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.
• Release SET and SELECT, press or
increase or decrease the "hour" respecti
• Press and release SELECT, press or
increase or decrease the "minute" respe
• Press and release SELECT, press or
the Day of Week from "M" to "SU".
• Press and release SELECT to allow chan
"hour" again.
• Press and hold or for 2 seconds to
advance in 4Hz.
• Selected item will stop flashing when a
pressed. The selected item will flash aga
the key is released.
• Press SET at any time to confirm the se
return to normal mode.
• Thermostat will return to normal mode
seconds if no key is pressed, Clock is als
updated with the latest setting.
• Default Program Setpoint temperatures after
reset. Same for both 5-2 and 7 days program.
4
5
6
7
lt Programme
Weekday (M to F)
Weekend (SA to SU)
Time: 6:00am
Time: 6:00am
Setpoint Temp: 21°C
Setpoint Temp: 21°C
Time: 8:00am
Time: 8:00am
Setpoint Temp: 17°C
Setpoint Temp: 21°C
Time: 4:00pm
Time: 4:00pm
Setpoint Temp: 21°C
Setpoint Temp: 21°C
Time: 6:00pm
Time: 6:00pm
Setpoint Temp: 21°C
Setpoint Temp: 21°C
Time: 10:00pm
Time: 10:00pm
Setpoint Temp: 17°C
Setpoint Temp: 17°C
Clock Setting Mode:
Program Setting Mode:
• Press and hold SET and SELECT in Normal
mode for 3 seconds to enter Clock 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.
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.
• 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.
6
7
Press SELECT at any time to confirm the s
"Hour" is flashing to indicate that it is the s
item to be adjusted.
•
Press SELECT to select the items to be
reviewed or adjusted with the below se
(Program 1) "hour"
(Program 2) "hour"
(Program 3) "hour"
•
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.
"minute"
"minute"
"minute"
Setpoi
Setpoi
Setpoi
(Program 4) "hour" "minute" Setpoi
(Program 5) "hour" "minute" Setpoi
and then cycle back to (Program 1)
•
8
9
Press SET at any time to confirm the se
and return for program set selection.
am Setting Mode:
program selected
rent sets of Time and Setpoint temperature
e set for Weekday or Weekend. Total 10
gs.
iew or change program, press SET in
al mode to enter Program Setting mode.
am 1 of the Weekday, and "SET PROG" are
yed. All other indicators are cleared.
day" is flashing to indicate that it is the
ed item to be adjusted.
Press SELECT at any time to confirm the selection.
"Hour" is flashing to indicate that it is the selected
item to be adjusted.
5-2 or 7 days program
•
•
•
•
Press SELECT to select the items to be
reviewed or adjusted with the below sequences.
(Program 1) "hour"
(Program 2) "hour"
(Program 3) "hour"
"minute"
"minute"
"minute"
•
9
•
•
Press or to
select the
program set for
Day of Week to
be reviewed or
adjusted.
•
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.
•
Press SET at any time to confirm the setting
and return for program set selection.
•
8
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.
•
Setpoint temp
Setpoint temp
Setpoint temp
(Program 4) "hour" "minute" Setpoint temp
(Program 5) "hour" "minute" Setpoint temp
and then cycle back to (Program 1)
or to select the program set for
day/Weekend to be reviewed or adjusted.
SET at any time during program set,
ill immediately return to Normal
7 days program selected
Press and hold or for 2
advance in 4Hz.
• Selected item will stop flashi
pressed. The selected item w
the key is released.
• Thermostat will return to no
seconds of no keys pressed,
stored.
Program review/changes are all
Protection is enabled.
Press “Set” to confirm at anytime to return.
10
The PROG indicator is displa
indicate the program numbe
Selected item will be flashing
adjusted by or
key. Pr
changed in 10 minutes step
temperature range is 10°C 0.5°C.
11
am selected
Time and Setpoint
be set for each Day of Week.
5-2 or 7 days program
Frost Protection:
Temporary Override:
•
•
•
•
nge program, press SET in
enter Program Setting mode.
nday, and "SET PROG" are
er indicators are cleared. "Day
ng to indicate that it is the
be adjusted.
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.
The Setpoint temperature is automatically set to 5°C
to prevent frosting.
•
time during program set and
mediately return to Normal mode.
any time to confirm the selection.
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.
Press and hold BL/FROST in Normal mode for 3
seconds to activate the Frost Protection.
Whenever the Frost Protection is activated, the Frost
Protection indicator is animating with the below
sequence in 4Hz.
Press or when reviewing Setpoint
Temperature to enter Manual Override
the Setpoint Temperature is increased o
decreased by 0.5°C accordingly.
• In Normal mode, press and hold or
display the Setpoint temperature. After
seconds, the Thermostat will enter Man
Override mode and start fast advance in
buttons are released within 2 seconds w
entering Manual Override mode, this is
as reviewing Setpoint Temperature only
• Clock, Day-of-Week, and "SET" are disp
All other indicators are cleared.
The Setpoint temperature is flashing to ind
it can be changed now.
Press BL/FROST for 3 seconds to de-activate the
Frost Protection, the Frost Protection indicator is
turned off.
•
•
nfirm at anytime to return.
10
11
12
13
Release and press or again to incre
decrease the manual override Setpoint
temperature by 0.5°C respectively.
Hold or for another 2 seconds to e
advance in 4Hz.
Protection:
Temporary Override:
and hold BL/FROST in Normal mode for 3
ds to activate the Frost Protection.
•
oint temperature is automatically set to 5°C
t frosting.
r the Frost Protection is activated, the Frost
n indicator is animating with the below
in 4Hz.
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.
•
•
•
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.
Reviewing Setpoint T
•
Press or to review the S
temperature.
When any program is running, t
the program Setpoint temperat
indicator displayed.
•
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.
When operating in Frost protec
will show 5°C with the Frost Pro
displayed.
FROST for 3 seconds to de-activate the
ection, the Frost Protection indicator is
.
•
•
12
13
When operating in Temporary O
LCD will show the temporary Se
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.
14
15
is 10°C - 35°C in steps of
ature will stop flashing when a
en flashes again once the key is
Reviewing Setpoint Temperature:
Low-Battery Detectio
•
Battery voltage is sampled every
battery voltage drops to a certa
Battery warning indicator appea
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.
time to confirm the setting
mal mode.
eturn to normal mode after 3-4
is pressed.
s effective until next program
or program setting is adjusted,
ion.
• 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:
When operating in Frost protection mode, the LCD
will show 5°C with the Frost Protection indicator
displayed.
• 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.
When operating in Temporary Override mode, the
LCD will show the temporary Setpoint temperature
14
15
16
•
The thermostat functions no
battery low. However, user
batteries as soon as possible
so weak that normal operati
assured.
•
Battery voltage is determine
less than or equal to 2.6V. It
normal when it is higher tha
i.e. Low-Battery indicator mu
battery voltage is <= 2.6V, a
when battery voltage is >= 2
•
Battery voltage is only samp
and when LCD backlight is t
17
Low-Battery Detection:
Sleep Mode:
Battery voltage is sampled every minute. When the
battery voltage drops to a certain level, the LowBattery warning indicator appears.
•
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.
ept or, or wait 3-4
key press to return to normal
perature will be displayed.
t:
•
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.
activated when BL/FROST or
d. The backlight will
n off in 5 seconds after all keys
l not operate when battery is
lluminated throughout the
and Temporary Override
ngs.
16
17
18
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