Brochure
Request Catalog 5-157 For Complete Technical Information and Specifications.
C
US
13
75-136.49
For applications requiring a low profile unit, Modine offers the Hot Dawg H
2
O
®
hot
water unit heater. The Hot Dawg H
2
O
®
may be installed in residential or commercial
applications just one inch below the ceiling. The superior quality matched with the
following features makes the Hot Dawg
H
2
O
®
unit heater an easy choice for a variety
of applications:
• Low profile design is ideally suited for residential garages, basements, vestibules,
commercial, industrial, institutional installations. Non-potable water applications only.
• Low profile, 18 gauge steel cabinet results in a clean appearance that maximizes
head room.
• Cabinet pre-treated for prevention of rust and corrosion and finished with a durable
electrostatically applied baked-on polyester powdercoat paint. Attractive Hammertone
Beige paint color.
• Horizontal adjustable air-deflector blades.
• Fingerproof inlet air openings.
• Side access piping and electrical.
• Electrical connections are standard on the left with piping on the right. Access sides
can be easily reversed in the field by simply flipping the unit over.
• Two L-shaped mounting brackets.
• Brackets designed to match up to standard 16" on-center joist spacing.
• Mounting orientation flexibility includes:
- Horizontal air delivery, mounted parallel to joists.
- Horizontal air delivery, mounted perpendicular to joists.
- Vertical air delivery, mounted between joists.
• High capacity, 2-row hot water coil.
• Copper tubes mechanically expanded into aluminum fins for maximum heat transfer.
• 1/2" NPT piping connections.
• Coils suitable for water pressures up to 150PSI and temperatures up to 200°F.
• Twin centrifugal blower wheels for quieter operation.
• Dual shaft blower motor (115V/60Hz/1ph).
• Solid state speed controller standard on Model size HHD 45.
• Factory supplied neoprene vibration isolators.
• Low Profile Design • Available in Two Model Sizes • Side Access Piping and Electrical Connections • Flexible
Mounting Orientations • Attractive Hammertone Beige Powdercoat Paint Finish • High Capacity Two-Row Hot
Water Coil • Twin Blower Wheels
HOT DAWG H
2
O
®
- LOW PROFILE HOT WATER UNIT HEATER
MODEL HHD
Model
Size
Airow
(CFM)
GPM
WPD
(Ft. Water)
Entering Water Temperature (60°F Entering Air Temperature)
120°F 140°F 160°F 180°F 200°F
Btu/Hr WTD Btu/Hr WTD Btu/Hr WTD Btu/Hr WTD Btu/Hr WTD
30 405
1
0.6 11,900 25 15,800 33 19,800 41 23,700 49 27,700 58
2
2.2 15,500 16 20,600 22 25,800 27 30,900 32 36,100 38
3
4.7 17,200 12 22,900 16 28,600 20 34,400 24 40,100 28
4
7.9 18,200 10 24,200 13 30,300 16 36,300 19 42,400 22
5
12 19,600 8 26,100 11 32,600 14 39,200 16 45,700 19
45
710
(High
Speed)
1
0.6 17,200 36 22,900 48 28,600 60 34,400 72 40,100 84
2
2.2 22,400 23 29,900 31 37,300 39 44,800 47 52,300 55
3
4.7 24,900 17 33,200 23 41,500 29 49,800 35 58,100 40
4
7.9 26,400 14 35,100 18 43,900 23 52,700 27 61,500 32
5
12 28,400 12 37,800 16 47,300 20 56,800 24 66,300 28
425
(Low
Speed)
1
0.6 11,900 25 15,900 33 19,900 41 23,900 50 27,900 58
2
2.2 15,600 16 20,700 22 25,900 27 31,100 33 36,300 38
3
4.7 17,300 12 23,000 16 28,800 20 34,600 24 40,300 28
4
7.9 18,300 10 24,400 13 30,500 16 36,600 19 42,700 22
5
12 19,700 8 26,300 11 32,800 14 39,400 16 46,000 19
Table 13.1 - Performance Data ➀ ➁
➀ For conditions other than shown above, please refer to the Modine Breeze
®
AccuSpec program for detailed performance data.
➁ Allowable water temperature range is 100°F to 200°F. Allowable indoor air temperature range is 40°F to 100°F.
If temperatures below freezing are expected, provisions should be made to either drain the unit heater coil or utilize a
continually circulating glycol solution.
Request Catalog 1-115 For Complete Technical Information and Specifications.
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