Salus ST320 User manual

S-Series Digital Thermostat
Instruction Manual
Model No ST320
2
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ST320 INSTRUCTION MANUAL2
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PRODUCT COMPLIANCE
This product complies with the essential requirements of the following EC Directives:
•Electro-Magnetic Compatibility directive EMC2004/108/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 - if you are in any doubt, please contact the Salus Controls
technical helpline.
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 new and old 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.
3ST320 INSTRUCTION MANUAL
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INTRODUCTION
A thermostat is a device that is used to switch the heating system in your home on and off as needed.
It works by sensing the air temperature and switching on the heating when the air temperature falls
below the thermostat setting, and switching it off once the set temperature has been reached.
The ST320 from Salus Controls is a stylish and
accurate electronic thermostat with a large, easy to
read LCD display. The thermostat has been
specifically designed to be used Volt Free.
The use of the revolutionary Touch Ring technology makes for simple usage, and is coupled with a
unique, smart design. The LCD display will show the current room temperature and the ‘one touch’
operation makes the ST320 easy to operate.
FEATURES
• Touch Ring Technology
• Large LCD with white backlight
• Stylish Casing
• Volt Free Contacts
• Battery Powered with Replacement Indicator
• Frost Protection
• Burner on symbol
ST320 INSTRUCTION MANUAL4
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INSTALLATION
Please read the important safety information at the start of this manual before you start to install the
device.
The ideal position to locate the ST320 thermostat 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.
There are only two electrical connections required to the
ST320, and these connections should be made to the
terminal block inside the thermostat. No Earth
connection is required for the correct and safe operation
of the ST320, but a parking terminal is provided to
connect an Earth wire if one is present. These connections
are shown in the drawing and table below:
Terminal Function
L (COM) Live
SL (NO) Switched Live (output)
Earth Earth Parking (No electrical connection)
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 thermostat consult either with a qualified electrician, heating
engineer or your boiler / heating system supplier for advice on how to continue.
Wiring Diagram
E
H
T
SL
L
System= Heat Control Mode = On/Off
LN
5ST320 INSTRUCTION MANUAL
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USER INTERFACE AND CONTROLS
The status and operation of the ST320 is clearly
shown on the large backlit Liquid Crystal Display (LCD).
The display consists of a combination of symbols and alphanumeric displays. The top row is a set of
status symbols, the centre row is used to indicate temperature (in Celsius), and the bottom row is
an alphanumeric display for menu and status messages.
The status symbol functions are:
Indicator Description Function
RF Signal indicator
(Not used with ST320) Indicates the unit is transmitting a wireless signal
Touch Lock indicator Indicates touch lock is activated
Heat Mode indicator Indicates heating output is turned on.
Frost Mode indicator Indicates frost setting is turned on
Battery Status Indicates battery is low
There are few user controls for the ST320, making the thermostat very easy to operate. The controls
are a Touch Ring (which surrounds the user display), two touch sensitive buttons, a reset button
and a slide operated switch mounted on the side of the thermostat.
These controls are shown below, along with a description of each of their functions.
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USER CONTROL FUNCTION SUMMARY:
Key / Operation Functions
Touch Ring (move clockwise) Increases the set temperature and scrolls down the
menu selection
Touch Ring (move anti- clockwise) Decreases the set temperature and scrolls up
the menu selection
OK Key Enters Menu or confirms a menu selection
Arrow (Back) Key Single touch- sets the unit back 1 step.
Hold for 2 seconds sets unit back to normal mode
Reset Button Resets the thermostat to default (original factory) settings
Slide Switch Activates and deactivates the key lock function
(prevents accidental changes)
Touch Ring
Slide Switch
OK KeyReset Button Arrow (Back) Key
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OPERATION
The ST320 is configured and adjusted by the use of
an innovative and stylish Touch Ring, and two touch
sensitive buttons. The Touch Ring surrounds the
thermostat display, and is operated very easily by
moving your finger around the ring.
The backlit Liquid Crystal Display (LCD) gives a highly visible, easily readable indication of the
thermostat status.
REVIEWING THE SET TEMPERATURE
If you press the Touch Ring anywhere except the OK and Arrow keys when the
ST320 is in NORMAL mode (NORMAL mode is when the thermostat is
displaying the room temperature), you can check the set temperature setting.
This will display the current set temperature. The set temperature will be displayed for two seconds
before the LCD changes to display the room temperature again.
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If the ST320 is operating in Frost Mode the LCD will display both the room temperature and also the
Frost Mode indicator . To turn off FROST mode, select the FROST menu and then by using the Touch
Ring scroll to the OFF setting. OFF will then be displayed on the LCD.
After pressing the Touch Ring, the LCD will display the preset Frost Mode
temperature of 5 ºC (this temperature is factory set and cannot be adjusted).
Pressing the OK or Arrow keys will return the ST320 to NORMAL mode.
CHANGING THE SET TEMPERATURE
When the ST320 is in NORMAL mode, press the Touch Ring anywhere
except the OK and Arrow keys (as described in the previous section), to
enter the Review Set Temperature mode. The currently set temperature
will be displayed on the LCD and will flash.
When the set temperature is flashing, press the Touch Ring and move your finger clockwise to
increase the set temperature, or anti-clockwise to decrease the set temperature. Press OK at any time
to confirm the selection. Note that the set temperature display will not flash while being adjusted –
this is normal and the display will start to flash again approximately 0.5 seconds after the Touch
Ring is released.
The ST320 will go back to NORMAL mode without changing the set temperature after 10 seconds of
inactivity, or after pressing the Arrow key.
If the ST320 is in FROST mode, the set temperature cannot be adjusted. Turn off FROST mode
as described below to allow the set temperature to be changed.
9ST320 INSTRUCTION MANUAL
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ACCESSING THE MENUS
The Arrow key is not active when the ST320 is in NORMAL mode. To access the
Menu screens, press the OK key twice. The first menu displayed is the FROST
menu:
Use the Touch Ring to scroll through
the Menus, and press the OK key to
select the menu you want to enter:
Pressing the Arrow key will return the ST320 to NORMAL mode. The thermostat will also return to
NORMAL mode after 10 seconds if no Key is pressed or if no movement is detected on the Touch
Ring.
FROST MENU
Entering the FROST menu allows you to turn the frost protection mode of the ST320 on or off. The
FROST mode temperature is preset at 5 ºC; this temperature is factory set and cannot be adjusted.
The FROST mode indicator will be displayed in all the FROST menu
ST320 INSTRUCTION MANUAL10
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On entering the menu, use the Touch Ring to scroll to the preferred option (OFF or ON), and confirm
the choice using the OK button. Use the Arrow key to return to the Menu Option display.
SLEEP MENU
The SLEEP mode allows the ST320 to conserve power by turning off the LCD
display. Entering the SLEEP menu allows you to activate this power saving
feature from a 5 second run down timer.
N.B unit will not control the heating while in sleep mode.
Pressing the OK Key at any time within the 5 seconds will cause the ST320
to immediately go into SLEEP mode, as will allowing the countdown to complete.
Pressing the Arrow key will return the ST320 to the Menu display mode.
Pressing the Touch Ring for 1 second will turn on the LCD backlight, and pressing the Touch Ring
for 3 seconds will wake the ST320 from SLEEP mode and restore the thermostat to NORMAL mode.
CONTROL MENU
By selecting the Control menu, the user can change
the control method used by the thermostat - either
ON/OFF or Pulse Width Modulation(PWM). On
entering the menu, scroll to select the preferred
option (ON/OFF or PWM control), and confirm the
choice using the OK button. Use the Arrow key to
return to the Menu Option display. PWM mode
should only be selected by the Engineer carrying
out the installation, or other qualified person.
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SLIDE SWITCH
The Slide Switch has two positions: UNLOCKED and LOCKED.
In the LOCKED position, the Touch Lock indicator will be visible on the LCD, and it will not be
possible to change the ST320 settings. If you are unable to change any thermostat settings, check that
the Slide Switch is in the UNLOCKED position.
RESET BUTTON
The Reset Button is provided as a way to restore the thermostat to its default factory settings. Pressing
this button will delete any previously entered settings.
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.
ST320 INSTRUCTION MANUAL12
OFF MODE
The low battery indicator will be disaplyed if battery voltage is detected as
"low", in this case, the thermostat functions normally during battery low except
the backlight is turned off. The ST320 will enter into OFF mode if the battery
voltage falls drastically low, and all outputs will turn off. As all functions except
sampling the battery voltage are disabled in OFF mode, it is recommended that
you replace the ST320 batteries as soon as possible to restore normal operation.
If the replaced batteries voltage is not high enough (treat as older batteries),
maybe the unit is still in OFF mode and can't reset.
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13ST320 INSTRUCTION MANUAL
MAINTENANCE
The ST320 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 ST320 thermostat fail to function correctly, check:
• Thermostat batteries are the correct type, fitted correctly and are not exhausted -
fit new batteries if in doubt.
• Heating system time switch or programmer is switched on.
• If the ST320 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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ST320 INSTRUCTION MANUAL14
PRODUCT SPECIFICATION
Model: ST320
Type: Electronic non-programmable thermostat,
designed for Volt Free heating applications.
TEMPERATURE
Scale: Celsius
Tolerance: Less than ± 0.5 ºC at 25 ºC
Sampling Rate: Every 15 seconds
Display Range: 0.0 ºC to + 45.0 ºC
Display Resolution: 0.5 ºC
Set Temperature Range: 5.0 ºC to + 35 ºC
Resolution: 0.5 ºC
CONTROL
Control Method: 1. ON – OFF control
2. PWM control
POWER SUPPLY
Power Source: 2 x AA alkaline batteries (Don’t use rechargable batteries)
Battery Life: Approximately 1 year
SWITCHING
Switching Voltage: 230V AC / 50Hz
Switching Current: 10A resistive, 3A inductive
Contact Type: Volt Free
ENVIRONMENT
Operating Temperature: 0 ºC to + 50 ºC
Storage Temperature: - 10 ºC to + 60 ºC
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15MORE PRODUCTS FROM SALUS CONTROLS
The EP200 is a feature packed programmer allowing independent control of central heating and hot water. This 5/2 or
7 day programmer boasts the same functions as the EP100 but gives the individual features to both channels. Fitted with
the industry standard back plate, this makes the EP200 ideal for new installations or upgrades. A simple switch alternates
the EP200 between 5/2 or 7 day.
2 Channel Programmer Model No. EP200
Features
•Individual control of central
heating and hot water
•3 On/Off periods
•Large, easy to read LCD with
blue back light
•Holiday function
•Advance 1 hour function
•Built-in start up programme
•Simple to use functions
•Heat/hot water called
indicator lights around
advance buttons
•Memory back-up
•Industry standard back plate
for ease of wiring
•User friendly
•Automatic daylight saving
(BST) adjustment
The EP100/EP101 is a 5/2 or 7 day electronic time switch designed for single channel applications. This time switch
boasts 3 on/off switch periods, easy to read LCD display with backlight, holiday and advanced functions, indicator light
and simple programming. A simple switch alternates the EP100/EP101 between 5/2 or 7 day programming.
Single Channel Programmer Model EP100 & EP101
Features
•Timed control of central heating
•3 On/Off periods
•Large, easy to read LCD with
blue back light
•Holiday function
•Advance 1 hour function
•Heat called indicator light
around advance button
•Built-in start up programme
•Simple to use functions
•Memory back-up
•Industry standard back
plate for ease of wiring.
•User friendly
•EP101 is Volt Free selectable
The RT300 is a stylish and accurate thermostat with a large, easy to read LCD display. The LCD display will
show the current room temperature in stand-by mode. A one-touch operation makes the RT300 easy to
operate. A back light and frost function add to the features of the RT300.
Digital Electronic Thermostat Model No. RT300
Features
•Volt free contacts
•Stylish casing
•Battery powered with
replacement indicator
•Frost protection
•Large, easy to read LCD
with blue back light
•Burner on symbol
•Easy access battery door
•Industry standard back
•User friendly
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MORE PRODUCTS FROM SALUS CONTROLS16
The RT500RF is ideal for use in situations where it is impractical to run wires between the thermostat location and
other controls within the heating system. The RF version has all the benefits of the RT500 with the added simplicity
of no wires. Again, maintaining simplicity for the installer.
Programmable Room Thermostat with RF Model No. RT500RF
•Selectable volt free contacts
•Receiver, complete with surface mounting
•Max indoor transmitter range of 30 metres
Features - Same industry leading features as the RT500, plus
Offering all the benefits of the RT300 but with the added convenience of no wires, the RT300RF is ideal for use
wherever it is impractical to run wires between the thermostat and other controls within the heating system.
Digital Electronic Thermostat with RF Model No. RT300RF
•Selectable volt free contacts
•Receiver, complete with surface mounting
•Max indoor transmitter range of 30 metres
Features - Same industry leading features as the RT300, plus:
The RT500 is a stylish 5/2 or 7 day programmable room thermostat, which has been designed to provide automatic
time and temperature control of all domestic central heating applications. The RT500 can switch circulating pumps,
boilers and motorised valves. Intended where the householder has a variety of heating needs from day to day, the
RT500 thermostat gives you a feature packed unit but still maintains simplicity for the user.
Programmable Room Thermostat Model No. RT500
Features
•Volt free contacts
•5/2 or 7 day programming
flexibility
•Built-in start up programming
for quick installation
•Battery powered with
replacement indicator
•Frost protection
•Large, easy to read LCD
with blue back light
•5 time/temperature changes
•Burner on symbol
•Easy to use programming
•Easy access battery door
•Industry standard back
plate for ease of wiring
•User friendly
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17MORE PRODUCTS FROM SALUS CONTROLS
The RT200 is a mains voltage electronic room thermostat that provides automatic temperature control for all central
heating applications. The accuracy of the RT200 will improve system efficiency and reduce running costs. The RT200
boasts an easy to use dial which provides simple operation for the user.
Electronic Room Thermostat Model No. RT200
•Stylish Casing
•Simple to use
•Indicator light to show
heat called for
•Easy to install
•Industry standard back
plate for ease of wiring
•User Friendly
Features
The RT100 mechanical room thermostat is widely used in commercial, industrial and residential buildings.
It is suitable for room temperature control and is very easy to install, with high sensitivity and reliability.
•Smart and simple housing
•2 wire installation
•Suitable for replacement
market
•Volt free contacts
•High sensitivity and reliability
Mechanical Room Thermostat Model No. RT100
Features
Control Packs Model Nos. CP122, CP222, CP322
Control Packs are a convenient way of purchasing all the controls you require. All packs are designed for single
pump installations where both heating and hot water are being supplied.
CP122 - This pack includes:
• 1 x 22mm 2 Port Motorised Valve • 2 Channel Programmer •Room Thermostat •Wiring Centre
CP222 - This pack includes:
•2 x 22mm 2 Port Motorised Valve •2 Channel Programmer •Cylinder Thermostat •Room Thermostat
•Wiring Centre
CP322 - This pack includes:
•1 x 22mm 3 Port Motorised Valve •2 Channel Programmer • Cylinder Thermostat •Room Thermostat
•Wiring Centre
Variable packs can be provided upon request – please contact our Sales Office for details
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MORE PRODUCTS FROM SALUS CONTROLS18
2 & 3 Port Motorised Valves
Model Nos.
MV322 - 3 Port Motorised Valve in 22mm
MV328 - 3 Port Motorised Valve in 28mm
MV222 - 2 Port Motorised Valve in 22mm
MV228 - 2 Port Motorised Valve in 28mm
Salus Motorised Valves offer the ultimate choice for installers. A simple to replace actuator that requires no need
to drain down. The actuator comes complete with a manual lever for filling or draining down the heating system.
These valves offer outstanding performance and high reliability to the user. Suitable for all domestic circumstances
as well as certain commercial applications. The actuator and valve bodies are supplied together but actuators can
be purchased seperately. Both 2 port and 3 port valves are available in 22mm and 28mm to cover all applications.
Features
•2 Port Motorised Valves - suitable for S & C Plan applications.
•3 Port Motorised Valves - suitable for Y & W Plan applications.
•Industry colour coded 1m flying lead.
The Salus MP100 & MP200 Circulating pump offers outstanding performance and reliability to the installer and the
user. Suitable for all domestic circumstances both models have been designed for a quiet and reliable life. A 3
speed motor enables precise pump to system matching, thereby reducing hydraulic noise to a minimum.
With 5 Year Guarantee
Domestic Circulating Pump Model Nos. MP100 & MP200
TRV310S - 15mm Straight TRV with Reducer
TRLS10 - 15mm Lockshield with Drain Off
TRV310A - 15mm Angled TRV with Reducer
TRV31LS5 - TRV Pack with 15mm Angled TRV,
Lockshield & Reducers
TRLS5 - 15mm Lockshield
Thermostatic Radiator Valves
Model Nos. TRV310S, TRV310A, TRLS5, TRLS10 & TRV31LS5
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ST320 INSTRUCTION MANUAL19
Thankyou for purchasing the Salus ST320 Digital Thermostat. In the rare event that
this Salus product needs guarantee service, please contact the dealer from whom it
was purchased or a member of the Salus Controls technical team.
ST320 Warranty
Customer Name: .............................................................................................
Customer Address: ..........................................................................................
......................................................... Post Code: .............................................
Tel No: ............................... Email: ..................................................................
Engineers Company: .......................................................................................
Tel No: ............................... Email: ..................................................................
Intallation Date: ..............................................................................................
Engineers Name: .............................................................................................
Engineers Signature: .......................................................................................
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Email: [email protected] Tel: [phone]
Email: [email protected] Tel: [phone]
Sales:
Technical:
Salus Controls plc, Salus House, Dodworth Business Park South,
Whinby Road, Dodworth, Barnsley S75 3SP
salus-tech.
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