26
Figure 4-2 - Hydronic functional schematic for models 399 and 500
4 - FUNCTION OVERVIEW
Key to figures 4-2:
1 - Air inlet
2 - Flue exhaust
3 - Automatic air vent
4 - Sealing chamber
6 - High limit supply temperature switch
7 - Supply temperature sensor
8 - Water pressure sensor
9 - Flue gas temperature sensor
10 - High limit flue gas temperature fuse
12 - Premix burner
13 - Ignition electrodes
14 - ignitor
15 - Return temperature sensor
16 - Modulating PWM fan
17 - Back flue preventer
20 - Gas valve
22 - Detection electrode
23 - Supply and return manifolds
24 - CRV Stainless steel heat exchanger
25 - Water supply
26 - Water return
27 - Gas inlet
28 - Blocked flue pressure switch
29 - Condensing blocked drain switch
30 - Condensing drain
31 - Condensate Siphon
33 - Header temperature sensor
36 - Condensate neutralizer box
37 - ASME Safety relief valve (Boiler)
P-T relief valve (Water Heater)
47 - Water Flow meter
48 - Motorized valve (optional)
50 - Drain valve
51 - Pressure/temperature gauge
Содержание Infinity Energy 2
Страница 3: ...3 SAFETY INSTRUCTIONS...
Страница 5: ...5 SAFETY INSTRUCTIONS...
Страница 62: ...62 10 INSTALLATION Electrical connections Figure 10 4 Electrical customer connection for IB boilers...
Страница 63: ...63 10 INSTALLATION Electrical connections Figure 10 5 Electrical customer connection for IW water heaters...
Страница 132: ...132 17 MAINTENANCE...
Страница 136: ...136 19 SPARE PARTS Spare parts...
Страница 139: ...139 19 SPARE PARTS 50 48 50 49 53 56 57 55 54 58 47 52 48 52 51 55 52 020010 03 006 199...
Страница 162: ...162 22 SEQUENCE OF OPERATION for BOILER...
Страница 163: ...163 23 SEQUENCE OF OPERATION for WATER HEATER...