Hatco HWBI Série Manuel D'installation page 22

Puits chauffants modulaires intégrés avec isolation
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OPTIONS AND ACCESSORIES
Drain Mounted Auto-Fill
The drain mounted Auto-Fill option connects the on-site water
supply through the control panel to the drain connection on
the side or bottom of a unit with a manifold drain system. Use
the following procedure to install a unit with the drain mounted
Auto-Fill option.
NOTE: The Plumbing Kit included with this unit includes the
following parts: street elbow, back-flow preventer valve,
fill tube hose, and hose clamps.
NOTICE
Auto-fill units supplied with water from a reverse osmosis
(RO) system (or similiar water filtration system) must be
installed with an operating reminerialization sytem to
ensure proper operation. Failure to do so may cause unit
to overfill. Damage caused by overfilling is not covered
under warranty.
Drain sealants must have temperature rating of 500°F (260°C)
or higher. Incoming water pipes must be FDA compliant for
potable water.
1. Secure the screw plug into the Auto-Fill fitting on the
outside of the well.
2. Install the brass nipple into the drain fitting on the bottom
or side of the well.
3. Thread the brass tee fitting onto the brass nipple.
4. Thread the brass bushing into the side of the brass tee fitting.
5. Connect the street elbow to the brass bushing.
NOTE: The fill tube hose may need to be removed from the
Plumbing Kit for ease of installation.
6. Connect the fill tube hose to the fill valve nipple in the control
enclosure and secure using the hose clamp. (Disassemble
the control enclosure trim cover to access the nipple.)
7. Connect the on-site drain line with shut-off valve to the
open end on the brass tee fitting.
8. Connect the on-site water supply line to the 1/4" NPT water
inlet fitting on the control enclosure.
9. Close the on-site drain shut-off valve, turn on the water
supply, and check for leaks.
Control Box Cutaway
Water
Inlet
Fitting
Fill Valve
Nipple
Hose
Clamp
Fill Tube
Hose
Screw Plug
Street Elbow
Back-flow
Preventer
To
Fill Valve Nipple
in Control Box
Hose
Clamp
Fill Tube
Hose
Installing a Drain Mounted Auto-Fill Unit
22
English
Auto-Fill
Fitting
Brass Bushing
Valve
To On-Site Drain
w/ Shut-Off Valve
Plumbing
Kit
Form No. HWBIM-0820
Drain
Brass
Nipple
Brass
Tee

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