Contents
3
Accessories System selection ................................................................................................. 34
Accessories
2x max. Water pressure switch + 1x external high limit thermostat ..................... 35
Max. gas pressure switch .................................................................................... 35
External high limit thermostat .............................................................................. 35
Gas valve leakage tester ..................................................................................... 35
INAIL kit (Italy only) ............................................................................................. 35
Plate heat exchanger + connection kit ................................................................. 36
Low loss header + connection kit ........................................................................ 37
2x Bend 90° ......................................................................................................... 39
Flow adapter + NRV ............................................................................................ 39
2nd return connection .......................................................................................... 39
Safety valve (3-6 bar) + manometer .................................................................... 39
Bypass................................................................................................................. 39
Speed controlled pump........................................................................................ 39
Receiver wireless AVS71 .................................................................................... 40
Outdoor sensor wireless AVS13...........................................................................40
Room unit QAA75 ............................................................................................... 40
Room unit QAA78 ............................................................................................... 40
Cascade kit MASTER .......................................................................................... 40
Cascade kit SLAVE ............................................................................................. 40
LOGON B with wall hung box .............................................................................. 40
Wiring for room fan and external gas valve ......................................................... 40
Header/hot water sensor QAZ36 ......................................................................... 41
Heating zone sensor QAD36 ............................................................................... 41
Outdoor sensor QAC34 ....................................................................................... 41
Extension module AVS75 .................................................................................... 41
Commercial Gateway .......................................................................................... 41
Gas filter .............................................................................................................. 42
Gas pressure regulator 100mbar + connection kit ............................................... 42
Air filter ................................................................................................................ 42
Disassembly set .................................................................................................. 42
Standard pumps .................................................................................................. 43
Speed control pumps .......................................................................................... 44
Bypass pumps ..................................................................................................... 44
Standard pumps performance curves ................................................................. 45
Bypass pumps performance curves .................................................................... 46
Speed control pumps performance curves .......................................................... 47
Installation examples 2-A-C: 1 heating zone + low loss header ............................................................ 48
2-5-A-C: 1 heating zone and sanitary hot water + low loss header .................... 59
4-A-C: 2 heating zones + low loss header .......................................................... 50
4-5-A-C: 2 heating zones and sanitary hot water + low loss header .................. 51
A-C: Boiler control via 0-10VDC + low loss header ............................................ 52
B-C: Boiler control via 0-10VDC + plate heat exchanger .................................... 53
4-5-A-C-E: 2 heating zones and sanitary hot water
+ cascade via low loss header ............................................................................ 54
Extension 2 heating zones ................................................................................. 55
Technical Data Country specific ................................................................................................... 56
Norms .......................................................................................................................... 64