Plumbing Applications - Noritz N-069M-DV-CA Guide De L'utilisateur Et Manuel D'installation

11.

Plumbing Applications

Cold Water Supply
(Relay for
NORITZ
N-069M-DV
Pressure
Shutoff Valve
Relief
Valve
Hot Water
Drain
Cold Water Supply
NORITZ
N-069M-DV
Pressure
Relief Valve
Pump Control Signal
Drain
Shutoff
Valve
N-069M-DV
Mixing Valve
Recirculation System
Check
Valve
Expansion Tank
(Install According
to Local Codes)
Pump
> 85 W)
(See p. 53)
Pump Control Signal
See p. 53
Check Valve
Aquastat
(Use Aquastat if Unit
Isn't Controlling Pump)
Pump Control Signal
See p. 53
Heating System
(Relay for
Pump
> 85 W)
(See p. 53)
Shutoff Valve
Expansion
Tank
See p. 53
(Install According
to Local Codes)
Hot Water
Boiler Drain Valve
Tempered Potable Hot Water
Hot Water Return
Fixtures
Pump
(See notes for Sizing)
8-10 Gal.
Storage Tank
(To Alleviate Cold
* Size the pump to provide at least 6L/min. (1.58 GPM) through the system at 3m (10 ft.) of
Water Sandwich)
** Make sure that the flow rate is not greater than 4 ft/sec.
Backflow
Preventer
(Optional)
Pressure
Reducing
Valve
(Optional)
Check
Pump
Valve
(See notes for Sizing)
Pump Control signal
See p. 53
Air Scoop
(Optional)
Check Valve
Aquastat
Heating
Controls
(Use Aquastat if
Unit Isn't Controlling
Pump)
Temp. &
Press. Gauge
(Optional)
* Size the pump to provide at least 6L/min. (1.58 GPM) through the system at 3m (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": 19L/min. (5 GPM), 1 1/4": 49L/min. (13 GPM))
Cold Water Supply
Hot Water for Heating
Aquastat Wiring
Use Honeywell Aquastat
(Model L6006A or L6006C)
Pump
AC120
Neutral
Ground
Live
Head plus piping losses. Check the maintenance monitors on the unit to make sure the
pump is providing that much flow.
(3/4": 19L/min. (5 GPM), 1 1/4": 49L/min. (13 GPM))
Hot Water Return
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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