Installing An Auto-Fill Unit; Installing A Drain Assembly; Installing A Bottom Mount Unit - Hatco HWBRN-FUL Installation And Operating Manual

INSTALLATION

Installing an Auto-Fill Unit

Use the following procedure to install a unit equipped with the
auto-Fill option. Refer to "Water Supply Specifications" in the
SPECIFICaTIONS section of this manual for water supply
requirements.
Auto-Fill units must be installed with adequate backflow
protection and must conform with all federal, state, and
local codes.
1. apply Teflon tape to the threads of the street elbow on the
fill tube assembly.
2. Connect the street elbow to the auto-Fill fitting located on
the outside of the well.
3. Connect the other end of the fill tube assembly 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.)
4. Connect the on-site water supply line to the 1/4" NPT water
inlet fitting on the control enclosure.
5. Turn on the water supply and check for leaks.
Water Inlet
Fitting
Fill Tube
Assembly
Figure 28. Installing an auto-Fill Unit (HWBIB-FULDa shown)

Installing A Drain Assembly

after installing a drain-equipped unit into the countertop, use the
following procedure to connect the unit to the on-site drain line.
BURN HAzARD: Drain water may reach temperatures in
excess of 200°F (93°C). Use appropriate plumbing
materials when installing drain.
NOTE: Consult a licensed plumbing contractor for proper drain
installation that conforms to local plumbing codes.
NOTE: Approved air gap or other back-flow prevention device
must be installed by a licensed plumber, if required.
1. Connect drain pipe (supplied by others) from the 3/4" NPT
drain fitting on the bottom of the unit to a 3/4" drain valve
(available as an accessory from Hatco).
CAUTION
Auto-Fill Fitting
Street Elbow
Water
Inlet
Fitting
Fill
Valve
Nipple
Hose
Clamp
Fill
Tube
CAUTION
NOTE: The drain valve must be installed in an easily
accessible location for the operator.
2. Connect the drain valve to the on-site drain line (supplied
by others).
3/4" Drain Fitting
3/4" Drain Valve
Figure 29. Drain Connection

Installing A Bottom Mount Unit

Installation of a bottom mount unit requires custom fabrication
of the countertop by a qualified and experienced installer. Use
the following information as guidelines for one method of
installing a bottom mount unit.
• Create the countertop cutout with turned-down flanges on
all four sides. These flanges should be positioned on the
inside of the well for installation.
Front View
Turned-Down Flange
8-3/4"
(222 mm)
12-1/32"
(306 mm)
Side View
Turned-Down Flange
16-3/4"
(426 mm)
20-1/32"
(509 mm)
Figure 30. Suggested Turned-Down Flange Dimensions
• apply silicone sealant to the top edge of the well before
installation.
• Secure the unit to the countertop by installing mounting
screws (not supplied) through the turned-down flanges and
into the top rim of the well.
Turned-Down
Flanges
Figure 31. Installing Bottom mount Unit
18
To drain
Countertop
Countertop
1-3/32"
(28 mm)
Countertop
Mounting
Screw
(not supplied)
Form No. HWBm-0511