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User Guide
THS04 wall thermostat
RT-SVU010A-GB
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Wiring
Bus
Communication between CH536 and THS04 is done by Modbus on RS485.
On CH536 a bus is dedicated to that communication: J9 FBus1
This is based on three wires: plus ; minus ; reference (circle)
Vout is not used. (cf fig.1)
On THS04, those three signals are: Rx+/Tx+ ; Rx-/Tx- ; GND (cf fig.2)
Power supply
In addition to communication signals, THS04 requires power supply.
X201 to be connected to GND of THS04
X200 to be connected to 24V~ of THS04
Fig.1
Fig.2
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THS04 User interface
Control
Four main buttons on THS04 are available (see Fig. 3)
Mode button: no action
Fan button: no action
Power button: no action
Clock button: temporary occupancy override
Push&Rotate button: menu navigation and temporary temperature setpoint change
Fig.3
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Display
The display is split into different areas, providing information about:
1. Unit mode (Heat, Cool, Auto). We can have combination of symbols Auto+Cool or Auto+Heat
indicating the actual running status
2. Zone Temperature
3. Fan mode (On, Auto).
4. Fan speed (min, intermediate, nominal)
6. Key on: logged as user
7. Set on: modification of temperature setpoint (will be taken in account when Set switches off)
9. Occupancy of current Timeband (scheduler)
10. Current day
11. Unit status: Alarm, Compressors On/Off, Indoor Fans On/Off, Auxiliary Heating On/Off
12. “hh:mm” (time) if unit is in local control.
“BAS” if unit is controlled by BAS.
“Off” if unit is switched off
13. Occupancy override
Fig.4
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Menu Navigation
Navigation principle
Navigation through menus is done by the “push&rotate” button.
The way to use that button is: rotate to modify a setpoint or a value, then wait 3s for that setpoint or
value to be automatically registered. The symbol “Set” disappears.
That important way to use it is symbolized with:
Navigation map
Fig.4
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THS04 usage as administrator
If the password is entered when logged as a user, we then switch into administrator mode. (see fig.4
User Navigation Map).
Control
Four main buttons on THS04 are available (see Fig.3)
Mode button: Modification of unit mode if unit is OFF (no action if scheduler is enabled)
Fan button: Modification of fan mode (On, Auto)
Power button: Switch Off/On unit (no action if scheduler is enabled)
Clock button: Short press = enable/disable Scheduler
Long press = set clock
Push&Rotate button: menu navigation
Display
Display is split into different areas, providing information about:
1. Unit mode (Heat, Cool, Auto) – displays the actual setting
2. Zone Temperature
3. Fan mode (On, Auto) – displays the actual setting
4. Fan speed – not updated in admin mode
6. Key is Off if logged as admin
7. Set on: modification of temperature setpoint (will be taken in account when Set switches
off)
Fig.4
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9. Occupancy of current Timeband (scheduler)
10. Current day
11. Unit status: Alarm, Compressors On/Off, Indoor Fans On/Off, Auxiliary Heating On/Off
12. “hh:mm” (time) if unit is in local control.
“BAS” if unit is controlled by BAS.
“Off” if unit is switched off
13. scheduler off/on
Menu Navigation
Navigation principle
Navigation through menus is done by the “push&rotate” button.
The way to use that button is: rotate to modify a setpoint or a value, then wait 3s for that setpoint or
value to be automatically registered. The symbol “Set” disappears.
That important way to use it is symbolized with:
Navigation map
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creating and sustaining safe, comfortable and energy efficient environments, Trane offers a broad portfolio of
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For more information, visit www.Trane.com.
Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.
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RT-SVU010A-GB_1116
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