Installation instructions S-HR series page 3
S-HR 15 S-HR 24/24T S-HR 35/35T S-HR 51/51T S-HR 60
Contents
page
1
Description of the unit ................................................................................................................... 4
2
Scope of the delivery ..................................................................................................................... 4
3
Mounting of the unit ....................................................................................................................... 4
3.1
Dimensions ......................................................................................................................... 5
4
Connecting the unit ....................................................................................................................... 6
4.1
Central heating system ....................................................................................................... 7
4.2
Expansion tank .................................................................................................................... 8
4.3
Underfloor heating systems............................................................................................... 10
4.4
Gas pipe ............................................................................................................................ 10
4.5
Hot water supply (S-HR-T) ................................................................................................ 10
4.6
Condensation discharge pipe ............................................................................................ 10
4.7
Flue gas exhaust system and air supply system ............................................................... 11
5
External calorifiers ....................................................................................................................... 12
6
Electrical connection ................................................................................................................... 12
7
Control of the unit ........................................................................................................................ 14
7.1
Explanation of the function keys ........................................................................................ 14
8
Filling and venting of unit and installation .................................................................................... 15
8.1
Central heating system ..................................................................................................... 15
8.2
Hot water supply ............................................................................................................... 15
9
Putting the unit into operation...................................................................................................... 16
9.1
Central Heating system ..................................................................................................... 16
9.2
Hot water supply ............................................................................................................... 16
9.3
Adjustments ...................................................................................................................... 16
10
Switching off the unit ................................................................................................................... 20
11
Commissioning and maintenance ............................................................................................... 20
11.1 Checking for contamination ............................................................................................... 20
11.2 Checking of the zero pressure control ............................................................................... 20
11.3 Checking the CO
2
.............................................................................................................. 21
11.4 Maintenance...................................................................................................................... 22
11.5 Further checks .................................................................................................................. 22
11.6 The frequency of maintenance .......................................................................................... 22
12
Technical specifications .............................................................................................................. 23
13
Diagram showing various parts of the unit .................................................................................. 24
14
Example diagrams for connecting the unit .................................................................................. 26
14.1 Radiator installation without thermostat valves ................................................................. 26
14.2 radiator installation with thermostat valves only ................................................................ 27
14.3 radiator installation with an under floor heating zone ........................................................ 28
14.4 radiator installation and an independent underfloor heating zone ..................................... 29
14.5 two independent radiator zones ........................................................................................ 30
15
Error indication ............................................................................................................................ 31