1.0 Typical Installations - Xylem M05430 Directives D'installation, D'utilisation Et D'entretien

1.0 TYPICAL INSTALLATIONS

1.0 TYPICAL INSTALLATIONS
CAPTIVE AIR TANK INSTALLATION
NOTICE: TANK PRE-CHARGE PRESSURE CHANGES MUST BE
MADE USING THE AIR VALVE ON TOP OF THE TANK.
Protected Power Supply
Pitless Adapter ①
Check Valve ①
GALVANIZED TANK INSTALLATION
Disconnect Switch
Control Box
Pitless Adapter
Drain and Y Fitting
6
Frost Level
① On installations with a pitless adapter the top check
valve should be below the pitless, not at the tank, as the
discharge line should be pressurized back to the pitless.
② On installations with well seals or well pits it is allowable
to locate the top check valve near the tank.
Figure 1
Protected Power Supply
Pressure
Gauge
Pressure Switch
Line Check Valve with Snifter
Union
Figure 2
To House Piping
Disconnect Switch
Shut-off Valve
Union
Pressure Switch
Pressure Relief Valve
Drain Tap
Tank Tee
Check Valve ②
To House
Piping
Shut-off Valve
Union
Drain Tap
Pressure Relief Valve
Air Escape Control
Approximate Drain Fitting Setting
Tank Capacity
42 gallon (159 L)
82 gallon (310 L)
120 gallon (454 L)
220 gallon (833 L)
315 gallon (1192 L)
525 gallon (1981 L)
Distance Drain and "Y"
Fitting Below the Line Check
7 feet (2.1m)
10 feet (3m)
15 feet (4.6m)
15 feet (4.6m)
20 feet (6.1m)
20 feet (6.1m)