48
Figure 8-5 Piping of a IW water heater model 199
1 = Water heater
2 = Manual gas shut-off valve (Install manual
gas shut-off valve 5 ft (1.5m) above
fl
oor)
3 = Storage tank Pump (Local pump)
4 = Filter
5 = Union
6 = Ball valve
7 = Storage tank
8 = Storage tank T-P relief valve
9 = Expansion tank
10 = Mixing valve
11 = Temperature gauge
12 = Back
fl
ow preventer
13 = Recycling pump (If needed)
CAUTION!!!
This is a concept
drawing only. It is up to the
system designer to determine
the necessary components,
including additional equipment
and any safety devices
which in the judgement of
the designer are appropriate,
in order to properly size,
confi gure and design that
system and to ensure
compliance with building and
safety code requirements.
8 - INSTALLATION - IW water connections
Summary of Contents for Boiler
Page 3: ...3 SAFETY INSTRUCTIONS ...
Page 5: ...5 SAFETY INSTRUCTIONS ...
Page 122: ...122 15 MAINTENANCE ...
Page 126: ...126 17 SPARE PARTS Spare parts ...
Page 129: ...129 17 SPARE PARTS 50 48 50 49 53 56 57 55 54 58 47 52 48 52 51 55 52 020010 03 006 199 ...
Page 152: ...20 SEQUENCE OF OPERATION for BOILER ...