Plumbing Applications; Heating System - Noritz N-132M Manuel D'installation

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11.

Plumbing Applications

Cold Water Supply
NORITZ
N-132M
Pressure
Shutoff Valve
Relief
Valve
Hot Water
Drain
Cold Water Supply
NORITZ
N-132M
Pressure
Relief Valve
Drain
N-132M
Mixing Valve
52
Recirculation System
Check
Valve
Expansion Tank
(Relay for
(Install According
to Local Codes)
Pump
> 85 W)
(See p. 56)
Pump Control Signal
(See p. 56)
Check Valve
Aquastat
(Use Aquastat if Unit
Isn't Controlling Pump)
(Relay for
Pump
> 85 W)
(See p. 56)
Shutoff Valve
Expansion
Tank
(Install According
to Local Codes)
Shutoff
Hot Water
Valve
Boiler Drain Valve
Tempered Potable Hot Water
Hot Water Return
Fixtures
Pump
(See notes for Sizing)
8-10 Gal.
Storage Tank
(To Alleviate Cold
Water Sandwich)

Heating System

Backflow
Preventer
(Optional)
Pressure
Reducing
Valve
(Optional)
Check
Pump
Valve
(See notes for Sizing)
Pump Control signal
(See p. 56)
Check Valve
Aquastat
Heating
Controls
(Use Aquastat if
Unit Isn't Controlling
Pump)
Temp. &
Press. Gauge
(Optional)
* Size the pump to provide at least 2 GPM through the system at 10 Ft of Head plus
** Make sure that the flow rate is not greater than 4 ft/sec. (3/4": 5 GPM, 1 1/4": 13 GPM)
Cold Water Supply
Hot Water for Heating
Aquastat Wiring
Use Honeywell Aquastat
(Model L6006A or L6006C)
Pump
AC120
Neutral
Ground
Live
* Size the pump to provide at least 2 GPM through the system at 10 Ft of Head plus
piping losses. Check the maintenance monitors on the unit to make sure the pump
is providing that much flow.
** Make sure that the flow rate is not greater than 4 ft/sec. (3/4": 5 GPM, 1 1/4": 13 GPM)
Hot Water Return
Air Scoop
(Optional)
piping losses. Check the maintenance monitors on the unit to make sure the pump
is providing 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
For Baseboard
Applications:
Please contact
Noritz for
compatibility.

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