40
10.
Plumbing Applications
Recirculation System
Pump
Fixtures
Cold Water Supply
Check
Valve
Hot Water Return
Check Valve
Pressure
Relief
Valve
Hot Water
Expansion
Tank
(Optional)
8-10 Gal.
Storage
Tank
(Suggested)
Shutoff Valve
Drain
R
B
W
Use Honeywell Aquastat
(Model L6006A or L6006C)
Pump
AC120
Aquastat Wiring
105
Neutral
Ground
Live
5
Heating System
Cold Water Supply
Check
Valve
Hot Water Return
Pressure
Relief Valve
Hot Water
Expansion
Tank
Shutoff Valve
Drain
Air Scoop
(Optional)
Temp. &
Press. Gauge
(Optional)
Hydronic Heat
Exchanger or
Radiant Heat
Piping
Pressure
Reducing
Valve
(Optional)
Shutoff
Valve
Backflow
Preventer
(Optional)
Boiler Drain Valve
Heating
Controls
Mixing Valve
N-069M
N-063S
Cold Water Supply
Tempered Potable Hot Water
Hot Water for Heating
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.
For Space Heating Purposes:
Check Valve
* 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.
* 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.
Aquastat
Aquastat
Pump
(IN The case of Pump coupling
to use GRUND FOS UP15-42)
(IN The case of Pump
coupling to use GRUND
FOS UP15-42)
NORITZ
N-069M
N-063S
NORITZ
N-069M
N-063S
