Brochure

1” - angle, mounting brackets are slotted to accommodate joists
on 16” or 24” centerlines.
Top and Bottom 1" 1"
Access Side 1" 18"
Non-Access Side 1" 1"
Rear 18" 18"
Vent Connector 4" 4"
30 45 60 75 100 125
30,000 45,000 60,000 75,000 100,000 125,000
24,000 36,000 48,000 60,000 80,000 100,000
505 720 990 1,160 1,490 1,980
523 749 653 769 565 747
44 46 45 48 50 47
10 10 12 14 12 16
25 27 36 38 42 56
1/15 1/15 1/12 1/12 1/12 1/8
1,550 1,550 1,625 1,625 1,050 1,550
S.P. S.P. P.S.C. P.S.C. S.P. P.S.C.
2.4 2.4 1.2 1.2 2.7 2.2
3.7 3.7 2.5 2.5 4.7 4.2
* 3" for Model HD, 4" for Model HDS
Model Size
Btu/Hr Input
Btu/Hr Output
Entering Airow (CFM)
Outlet Velocity
Air Temp. Rise (°F)
Mounting Height (Max ft.)
Heat Throw (ft.)
Unit Total Amps
3/4* 3/4* 4
Vent Connector Size (in.)
Performance
Horsepower
RPM
Type
Amps
Motor
Data
Mounting
Clearances
Unit Side
Clearance To
Combustible Materials
Recommended
Service Clearance
SIZES
30-75
SIZES
100/125
(ACCESSORY)
.00
1.10 3.10 5.10 7.10 9.10
17.10 19.10 21.10
23.10 25.10 26.20
.00
1.50 3.50 5.50 7.50 9.50
11.50 13.50 21.50 23.50 25.50 27.50 29.50 31.50 33.50 35.00
30 45 60 75 100/125
26.8 26.8 26.8 26.8 35.5
12.2 12.2 18.0 18.0 20.5
16.5 16.5 16.5 16.5 22.0
14.9 14.9 14.9 14.9 22.5
10.1 10.1 15.9 15.9 18.4
7.25 7.25 10.75 10.75 14.0
18.5 18.5 18.5 18.5 24.0
7.6 7.6 7.835 7.835 8.4
1/2 1/2 1/2 1/2 1/2
34.5 34.5 34.5 34.5 43.0
22 22 25 25 31.0
2.74 2.74 3.15 3.15 3.87
3.19 3.19 5.55 5.55 10.73
10 10 14 14 18.0
55 60 80 85 125
Model Size
A
B
C
D
E
F
G
H
Gas Connection
I
J
K (HDS only)
L (HDS only)
Fan Diameter
Approx. Shipping Weight (lbs.)
Dimensions (inches)
Control Options
Control Description
Control Service Thermostat Type of Model
Code No. Voltage Voltage Gas Size
Single-Stage, Direct Spark Ignition, 100% Shut-Off with Continuous Retry 11 115V 24V natural 30-125
- Utilizes a single-
stage combination gas control with ignition control.
Gas is lit with a direct spark igniter on call for heat.
21 115V 24V propane 30-125
Two-Stage, Direct Spark Ignition, 100% Shut-Off with Continuous Retry 12 115V 24V natural 75-125
- Utilizes a two-stage combination gas control with built-in ignition control.
Firing rate is 100% and 50% of full rated input. Gas is lit with a direct spark
22 115V 24V propane 75-125
igniter on call for heat.
3 3
3 3
4 4 4
Combustion Air Inlet Connector
Size (Model HDS only) (in.)
B
A
C (APPROX.)
ELECTRICAL CONNECTIONS
(MODEL HD)
ELECTRICAL CONNECTIONS
(MODEL HDS)
REAR VIEW
POWER VENTER
VENT PIPE CONNECTION
ADJUSTABLE
LOUVERS
SIGHT GLASS
(HDS ONLY)
MOUNTING HOLES TYP
3/8 X 1” LONG
COMBUSTION AIR
LOUVERS (HD ONLY)
MOUNTING
BRACKETS
ACCESS
PANEL
COMBUSTION AIR
INLET CONNECTION
(MODEL HDS)
GAS CONNECTION
1.00
1” - angle, mounting brackets are slotted to accommodate joists
on 16” or 24” centerlines.
Top and Bottom 1" 1"
Access Side 1" 18"
Non-Access Side 1" 1"
Rear 18" 18"
Vent Connector 4" 4"
30 45 60 75 100 125
30,000 45,000 60,000 75,000 100,000 125,000
24,000 36,000 48,000 60,000 80,000 100,000
505 720 990 1,160 1,490 1,980
523 749 653 769 565 747
44 46 45 48 50 47
10 10 12 14 12 16
25 27 36 38 42 56
1/15 1/15 1/12 1/12 1/12 1/8
1,550 1,550 1,625 1,625 1,050 1,550
S.P. S.P. P.S.C. P.S.C. S.P. P.S.C.
2.4 2.4 1.2 1.2 2.7 2.2
3.7 3.7 2.5 2.5 4.7 4.2
* 3" for Model HD, 4" for Model HDS
Model Size
Btu/Hr Input
Btu/Hr Output
Entering Airow (CFM)
Outlet Velocity
Air Temp. Rise (°F)
Mounting Height (Max ft.)
Heat Throw (ft.)
Unit Total Amps
3/4* 3/4* 4
Vent Connector Size (in.)
Performance
Horsepower
RPM
Type
Amps
Motor
Data
Mounting
Clearances
Unit Side
Clearance To
Combustible Materials
Recommended
Service Clearance
SIZES
30-75
SIZES
100/125
(ACCESSORY)
.00
1.10 3.10 5.10 7.10 9.10
17.10 19.10 21.10
23.10 25.10 26.20
.00
1.50 3.50 5.50 7.50 9.50
11.50 13.50 21.50 23.50 25.50 27.50 29.50 31.50 33.50 35.00
30 45 60 75 100/125
26.8 26.8 26.8 26.8 35.5
12.2 12.2 18.0 18.0 20.5
16.5 16.5 16.5 16.5 22.0
14.9 14.9 14.9 14.9 22.5
10.1 10.1 15.9 15.9 18.4
7.25 7.25 10.75 10.75 14.0
18.5 18.5 18.5 18.5 24.0
7.6 7.6 7.835 7.835 8.4
1/2 1/2 1/2 1/2 1/2
34.5 34.5 34.5 34.5 43.0
22 22 25 25 31.0
2.74 2.74 3.15 3.15 3.87
3.19 3.19 5.55 5.55 10.73
10 10 14 14 18.0
55 60 80 85 125
Model Size
A
B
C
D
E
F
G
H
Gas Connection
I
J
K (HDS only)
L (HDS only)
Fan Diameter
Approx. Shipping Weight (lbs.)
Dimensions (inches)
Control Options
Control Description
Control Service Thermostat Type of Model
Code No. Voltage Voltage Gas Size
Single-Stage, Direct Spark Ignition, 100% Shut-Off with Continuous Retry 11 115V 24V natural 30-125
- Utilizes a single-
stage combination gas control with ignition control.
Gas is lit with a direct spark igniter on call for heat.
21 115V 24V propane 30-125
Two-Stage, Direct Spark Ignition, 100% Shut-Off with Continuous Retry 12 115V 24V natural 75-125
- Utilizes a two-stage combination gas control with built-in ignition control.
Firing rate is 100% and 50% of full rated input. Gas is lit with a direct spark
22 115V 24V propane 75-125
igniter on call for heat.
3 3
3 3
4 4 4
Combustion Air Inlet Connector
Size (Model HDS only) (in.)
B
A
C (APPROX.)
ELECTRICAL CONNECTIONS
(MODEL HD)
ELECTRICAL CONNECTIONS
(MODEL HDS)
REAR VIEW
POWER VENTER
VENT PIPE CONNECTION
ADJUSTABLE
LOUVERS
SIGHT GLASS
(HDS ONLY)
MOUNTING HOLES TYP
3/8 X 1” LONG
COMBUSTION AIR
LOUVERS (HD ONLY)
MOUNTING
BRACKETS
ACCESS
PANEL
COMBUSTION AIR
INLET CONNECTION
(MODEL HDS)
GAS CONNECTION
1.00
HOT DAWG
™
POWER-EXHAUSTED,
GAS-FIRED UNIT HEATER (MODEL HD)
• Quiet operation allows your space to be warm
without the distraction of a loud machine running
in the background
• Unit can easily be rotated to allow for convenient
right or left side control placement**
• Fuel type: Natural or propane gas
• Low-profile, lightweight design easily installs
1” from ceiling with only two angle brackets*
• Casing construction made of heavy gauge metal
• Full 10-year warranty on heat exchanger
HOT DAWG
™
H
2
O LOW PROFILE
HOT WATER UNIT HEATER (MODEL HHD)
• Low-profile design with flexible mounting options (parallel, perpendicular or recessed
between joists) allows for horizontal or vertical air delivery
• No external moving parts - twin centrifugal blowers keep all moving parts inside the cabinet
• Side panel air inlet opening have factory installed finger guards
• Constructed of heavy gauge steel for long lasting durability
• Includes two mounting brackets with vibration isolators to reduce noise and vibration
• Internal coil can handle water pressures up to 150 PSI and temperatures up to 200°F
Hot Dawg Applications
*
Model BTU/Hr Input Typical Application
HD/HDS 30 30,000 1 to 1-1/2 Car Garage
HD/HDS 45 45,000 2 to 2-1/2 Car Garage
HD/HDS 60 60,000 3 to 3-1/2 Car Garage
HD/HDS 75, 100, 125 75,000-125,000 Large Garage
Performance Data - Model HD/HDS
Model Size 30 45 60 75 100 125
BTU/Hr Input
*
30,000 45,000 60,000 75,000 100,000 125,000
BTU/Hr Output
*
24,600 36,900 49,200 61,500 82,000 102,500
Entering Airflow (CFM)
**
505 720 990 1,160 1,490 1,980
Outlet Velocity (FPM)
**
523 725 653 769 565 747
Air Temp. Rise (ºF) 44 46 45 48 50 47
Mounting Height (Max ft.)
**
10 10 12 14 12 16
Heat Throw (ft.) 25 27 36 38 42 56
Dimensions (inches) - Model HD/HDS
Model Size 30 45 60 75 100/125
A (length) 26.8 26.8 26.8 26.8 35.5
B (height) 12.2 12.2 18.0 18.0 20.5
C (depth)
22.0 22.0 25.0 25.0 31.0
Gas Connection 1/2 1/2 1/2 1/2 1/2
Vent Connection 3 3 3 3
*
/ 4
**
3
*
/ 4
**
Approx. Shipping
Weight (lbs.)
55 60 80 85 125
Clearances for Residentially-Certified Unit Heaters
Unit Side
Clearance To Combustible
Materials
Recommended Service
Clearance
Top and Bottom 1” 18”
Access Side 1” 18”
Non-Access Side 1” 18”
Rear 18” 18”
Vent Connector 3”* / 4”** —
Ratings shown are for elevations up to 2,000 ft. For elevations above 2,000 feet, ratings should be reduced at the rate of 4% for each 1,000 feet above sea level.
(In Canada see rating plate) Reduction of rating requires use of a high altitude kit.
Data taken at 55°F air temperature rise. At 65°F ambient and unit fired at full-rated input. Mounting height as measured from bottom of unit, and without deflector hoods.
Horizontal air delivery; perpendicular to joists
Vertical air delivery; recessed between joists
Horizontal air delivery; parallel to joists
Hot Dawg H
2
O Mounting Flexibility
Hot Dawg H
2
0 Applications*
Model Sizes
Airflow
(CFM)
GPM 140° F BTU/hr 180° F BTU/hr Application
HHD 30
405
405
2
4
20,600
24,200
30,900
36,300
1 to 2 car garage
HHD 45 (high speed)
710
710
2
4
29,900
35,100
44,800
52,700
2 to 3 car garage
HHD 45 (low speed)
425
425
2
4
20,700
24,400
31,100
36,600
2 to 3 car garage
• Permanently-lubricated motor for
maintenance-free dependability
• Single- or two-stage controls available
• Direct spark ignition for reliable and
consistent ignition
• 100% shut-off with continuous retry to allow
for safe ignition in the event the unit doesn’t
light on the first try
• Factory installed finger proof fan guards
• Blower models (HDB) available
HOT DAWG
™
SEPARATED COMBUSTION
GAS-FIRED UNIT HEATER (MODEL HDS)
Experience the same great features as the HD,
with these added benefits:
• Blower models (HDB) available
• Draws fresh air from outside, ensuring
dust, dirt or fumes do not affect durability
or performance
• Factory assembled, certified separated
combustion. No add-ons needed allow for
an easier and quicker installation providing
greater durability and reduced maintenance
* Sizing data for sample only. Consult a qualified installer for the actual requirements for your building.
* Measured at distance from unit shown.
** Competitor published data.
* HD30, HD45, HD60, HD75
** HD100, D125
* Sizing data for sample only. Consult a qualified installer for the actual requirements for your building.
* Included on sizes 30-75, accessory for 100, 125
** For model sizes 30-75
* HD30, HD45, HD60, HD75
** HD100, D125
YEAR-ROUND COMFORT TO WORK, PLAY AND RELAX