Plumbing Applications - State Water Heaters Gas Water Heater Owner's Manual And Installation Manual

10.

Plumbing Applications

Cold Water Supply
NORITZ
N-069M
N-063S
Pressure
Shutoff Valve
Relief
Valve
Hot Water
Drain
Cold Water Supply
NORITZ
N-069M
Pressure
Relief Valve
Drain
N-069M
N-063S
Mixing Valve
40
Check
Valve
Expansion
Tank
(Optional)
Check Valve
Aquastat
N-063S
Shutoff Valve
Expansion
Shutoff
Valve
Hot Water
Boiler Drain Valve
Recirculation System
Hot Water Return
Pump
(IN The case of Pump
coupling to use GRUND
FOS UP15-42)
8-10 Gal.
Storage
Tank
(Suggested)
Heating System
Backflow
Preventer
(Optional)
Pressure
Reducing
Valve
(Optional)
Pump
Check
(IN The case of Pump coupling
Valve
to use GRUND FOS UP15-42)
Check Valve
Aquastat
Temp. &
Press. Gauge
(Optional)
Tank
Cold Water Supply
Tempered Potable Hot Water
Hot Water for Heating
Aquastat Wiring
Use Honeywell Aquastat
(Model L6006A or L6006C)
Fixtures
Pump
AC120
Neutral
Ground
Live
* Size the pump to provide at least 1.58 GPM through the system and check the
maintenance monitors on the unit to make sure the pump isproviding that much flow.
Hot Water Return
Air Scoop
(Optional)
Heating
Controls
* Size the pump to provide at least 1.58 GPM through the system and check the
maintenance monitors on the unit to make sure the pump isproviding that much flow.
For Space Heating Purposes:
If the system requires water
for space heating at a higher
temperature than for other
uses, means such as a mixing
valve shall be provided to
temper the water for the other
uses to help prevent scalding.
105
R
B
5
W
Hydronic Heat
Exchanger or
Radiant Heat
Piping