Product Brochure
2
1-115.2
HOT DAWG H
2
O
®
– LOW PROFILE HOT WATER UNIT HEATER
Figure 2.1 - Model HHD Standard Features
Electrical Conduit Entry
(not pictured - see page 4)
Mounting Brackets with
Vibration Isolators
Hot Water Supply/Return
Piping Connections
Electrical J-Box Access Door
(not pictured - see page 4)
Unit Serial PlateSolid State Motor Speed Control
Note: Standard piping/electrical access side orientation shown.
Feature
General
All units are listed by ETL as design certied for use in
both the US and Canada to the UL 1995 - latest revision
and CSA C22.2 No. 236 Standards for Heating and
Cooling Equipment for safe operation, construction,
and performance.
Low prole design is ideally suited for residential
garages, basements, vestibules, commercial, industrial,
institutional installations.
Non-potable water applications only.
Cabinet
Low prole, 18 gauge steel cabinet results in a clean
appearance that maximizes head room.
Cabinet pre-treated for prevention of rust and corrosion
and nished with a durable electrostatically applied
baked-on polyester powdercoat paint.
Environmentally friendly.
Attractive Hammertone Beige paint color.
Horizontal adjustable air-deector blades.
Fingerproof inlet air openings.
Side access piping and electrical (see “Mounting
Flexibility” for info on reversing access side).
Two L-shaped mounting brackets (see “Mounting
Flexibility” for mounting orientations).
Mounting Flexibility
Brackets designed to match up to standard 16”
on-center joist spacing.
Mounting orientation exibility includes (refer to
Figure 2.2):
• Horizontal air delivery, mounted parallel to joists.
• Horizontal air delivery, mounted perpendicular to
joists.
• Vertical air delivery, mounted between joists.
Electrical connections are standard on the left with
piping on the right. Access sides can be easily reversed
in the eld by simply ipping the unit over.
Heating Coil
High capacity, 2-row hot water coil.
Copper tubes mechanically expanded into aluminum ns
for maximum heat transfer.
1/2" NPT piping connections.
Coils suitable for water pressures up to 150PSI and
temperature up to 200°F.
Air
Mover
Twin centrifugal blower wheels for quieter operation.
Dual shaft blower motor (115V/60Hz/1ph).
Factory supplied neoprene vibration isolators.
Table 2.1 - Standard Features Figure 2.2 - Model HHD Mounting Orientations
Horizontal Air Delivery,
Perpendicular to Joists
Horizontal Air Delivery,
Parallel to Joists
Vertical Air Delivery,
Recessed Between Joists