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1 - DESCRIPTION ...................................................................................................................................... 4

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1 - CHARACTERISTICS............................................................................................................................. 5

2 - PIPE CONNECTION DIAMETERS........................................................................................................ 6

3 - DIMENSIONS ........................................................................................................................................ 6

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1 - PRINCIPLE............................................................................................................................................ 7

1.1 - Components .............................................................................................................................. 7

1.2 - Control panel ............................................................................................................................. 8

1.3 - Operating diagram ..................................................................................................................... 9

1.4 - Principle of air/gas servo-control system ................................................................................. 10

1.5 - Air pressure variation procedure ............................................................................................. 10

1.6 - Emission of pollutants .............................................................................................................. 10

2 - THE DIFFERENT VERSIONS OF THE THR ...................................................................................... 10

2.1 - The basic THR model (no outside sensor or room sensor) ..................................................... 10

2.2 - THR with outside sensor only .................................................................................................. 10

2.3 - THR with outside temperature sensor and room sensor ......................................................... 11

3 - FUNCTIONS COMMON TO THE DIFFERENT VERSIONS ............................................................... 13

3.1 - Antifreeze function (with QAC31 or/and QAA70) .................................................................... 13

3.2 - Anti-legionella function ............................................................................................................ 13

3.3 - Pump run-on after the end of heating ...................................................................................... 13

3.4 - Bypass valve and pump kick ................................................................................................... 13

3.5 - Boiler overheat protection ........................................................................................................ 13

3.6 - Anti-short burner cycle protection function .............................................................................. 13

3.7 - Functions activated using the control panel ............................................................................ 13

4 - HEAT EXCHANGER/CONDENSER.................................................................................................... 14

5 - . GAS VALVE....................................................................................................................................... 14

6 - DIGITAL DISPLAY............................................................................................................................... 15

6.1 - Normal operation ..................................................................................................................... 15

6.2 - List of display codes ................................................................................................................ 15

6.3 - List of alarm codes .................................................................................................................. 16

Brand	geminox
Model	THR Series
Category	Boiler
Language	English

geminox THR Series User Manual

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Questions and Answers:

geminox THR Series Specifications

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