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7

A70 UG 007 E - 0299

Setting the micro-switches

*   Heat pump:

Additional: the compressor system
ceases to operate when the auxiliary
heating is operating.
Normal: the compressor system
and the auxiliary heating can oper-
ate simultneously.

** Auxiliary heating :

Comfort: the auxiliary heating can
be activated as soon as the room
temperature is 2°C below the set
point.
Economic: auxiliary heating ceas-
es to operate if the room tempera-
ture is within 0.5°C of the set point.
Forced heating is never autho-
rised.

Replacing thermostat on its
base

1) Position the thermostat on the

hinge lugs located on top of the
base.

2) Slowly lower the thermostat while

rotating it and press down on the
bottom edge until it clicks into
place.

12

3

4

5

6

7

8

ON

Normal heat pump

Not used

4 min. minimum aux. heat. operat.

Keyboard in operation

Economic auxiliary heating

1 stage

LED 1 free without icon

LED 2 free without icon

Additional heat pump

Not used

2 min. minimum aux. heat. operat.

Keyboard blocked

Auxil. comfort heating**

Multi-stage

LED 1 + filter icon

LED 2 + fault icon

2

1

Summary of Contents for THS-02

Page 1: ...THS 02 Thermostat for heat pump 2 com pressors with auxiliary heating User s guide A70 UG 007 GB...

Page 2: ...2 A70 UG 007 E 0299 American Standard Inc 1999...

Page 3: ...tions 4 General information 4 User commands 4 Power cuts 5 Temperature precision 5 Installation instructions 6 Position 6 Removing the thermostat from its base 6 Setting the micro switches 7 Replacing...

Page 4: ...commands MODE Select the operating mode you want by pressing the MODE key several times controls the system in cooling mode only the word COOL is displayed for 5 seconds controls the system in heatin...

Page 5: ...If you connect a clock to these termi nals the thermostat can alternate automatically between the day night set point values REMOTE SENSOR TERMINALS option RS1 RS2 RS V The THS thermostat is designed...

Page 6: ...er nal doors Places where the presence of water or steam piping hot air ducts or an unoccupied room behind the ther mostat may affect its operation Near to a unit s air discharge grille Near to source...

Page 7: ...a ture is within 0 5 C of the set point Forced heating is never autho rised Replacing thermostat on its base 1 Position the thermostat on the hinge lugs located on top of the base 2 Slowly lower the t...

Page 8: ...W1 Y2 B O b c d f h W1 Y1 R 24 V G O B Y2 LED1 LED2 RS V RS1 RS2 CLK2 CLK1 a a Compressor 2 b Auxiliary heating c Compressor 1 d Fan e Common f Independent power supply g Mains power supply h 24 V tr...

Page 9: ...te 1 The R terminal can be used for a second independent power supply If there is just one power supply bridging is provided between 24V and R Note 2 This thermostat can operate using 24VD C The negat...

Page 10: ...10 A70 UG 007 E 0299 Notes...

Page 11: ...11 A70 UG 007 E 0299 Notes...

Page 12: ...cation Europe Trane reserves the right to alter any information without prior notice For additional information contact Distributor Installer stamp The constructor s policy is one of continuous produc...

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