20
Form No. HWBIM-0319
English
OPTIONS AND ACCESSORIES
Exterior Manifold with Drain Valve
An exterior drain valve manifold is an accessory for two to six-
well units. Use the following procedure to install drains.
NOTE: An exterior drain valve manifold cannot be installed on
models without drains or with built-in manifolds.
WARNING
This unit must be installed by qualified, trained installers.
Installation must conform to all local electrical and
plumbing codes. Check with local plumbing and electrical
inspectors for proper procedures and codes.
NOTICE
Drain sealants must have temperature rating of 500°F (260
°
C)
or higher. Incoming water pipes must be FDA compliant for
potable water.
1. Unscrew the union nuts.
2. Attach all male fittings to drain fittings under each drain.
Use teflon tape on threaded connections.
3. Screw union nuts to drain fittings to secure the drain
valve manifold to the unit. Use teflon tape on threaded
connections. Check for leaks.
4. Connect the drain valve manifold assembly to the on-site
drain line (supplied by others).
3/4″
Drain
Valve
Male Fitting
To Drain
Fitting
Union
Nut
External Manifold Drain with Valves Connection
Over-Sized Bezel
An over-sized bezel is available for all HWBI series units as a
non-retrofittable option. Models with an over-sized bezel match
the depth dimensions of a Hatco cold well.
Attached Cord and Plug
An attached cord and plug is available as a factory-installed
option for models with a single phase electrical configuration
and without an extended control conduit. Use the following
procedure to install the control.
1. Secure the control enclosure to the desired location on the
control mounting bracket using supplied screws.
• The cutout depth required for all control enclosures is
5″ (127 mm).
• The cutout height required for this control enclosure is
4-3/4″ (121 mm).
• Refer to the “Installing a Remote Control Enclosure”
procedure in the INSTALLATION section if mounting the
control enclosure remotely.
2. Plug unit into a properly grounded electrical receptacle
of the correct voltage, size, and plug configuration. See
SPECIFICATIONS section for details.
Screws
Control Mounting
Bracket
Control Enclosure
Installing Control Enclosure with Cord and Plug
Miscellaneous
BALLVALVE3/4
........
3/4″ ball valve for installation on external
drain line of units with individual drains.
BALLVALVE1INCH
..
1″ ball valve for installation on external
drain line of units with manifold drain
assemblies.
GATEVALVE3/4IN
.....
3/4″ gate valve for installation on external
drain line of units with individual drain
assemblies.
GATEVALVE1INCH
..
1″ gate valve for installation on external
drain line of units with manifold drain
assemblies.
Adapter Bracket
HWB-MNT-REC
....... Adapter brackets (8) for installing heated
wells into non-combustible countertops
that are 3/16″–2″ (5–52 mm) thick.