Performance Data - Model PTC
TAKE THE CHILL OUT OF
YOUR GARAGE OR WORKSPACE
WITH A HOT DAWG
™
HOT DAWG
™
POWER-EXHAUSTED,
GAS-FIRED UNIT HEATER (MODEL HD)
• Hush-puppy quiet operation (see table)
• Right or left hand controls available on all 30-75 units. Gas,
electrical and flue connections can be changed by simply
flipping the unit over
• Uses natural or propane gas
• Lightweight, easily installs 1” from ceiling with only two
angle brackets (included on sizes 30-75, accessory for
100, 125)
• Full 10-year warranty on heat exchanger
• Standard power exhaust simplifies side-wall or roof venting
with small-diameter vent pipe
• Permanently-lubricated motor for trouble-free
dependability
• Controls can be either single or two-stage, direct spark
ignition, 100% shut-off with continuous retry
• Low-profile design and neutral color to blend in with decor
• Also available with a blower (model HDB). Contact Modine
for further information
HOT DAWG
™
SEPARATED COMBUSTION
GAS-FIRED UNIT HEATER (MODEL HDS)
Same features as HD, with these added benefits:
• Draws combustion air from outside the work space,
ensuring the unit always has plenty of fresh, clean air to
breathe
• The fresh air supply reduces common concerns about
dusty, dirty or humid applications, providing greater
durability and reduced maintenance
• Factory assembled, certified separated combustion saves
installation time
HOT DAWG
™
H
2
O LOW PROFILE HOT WATER UNIT
HEATER (MODEL HHD)
• No external moving parts - twin centrifugal
blowers keep all moving parts inside the cabinet
• Mounting flexibility (parallel, perpendicular
or recessed between joists) allows for horizontal
or vertical air delivery
• Low-profile design
• Available in hammertone beige
• Constructed of heavy gauge steel for clean
appearance and maximum headroom
• 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
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
YEAR-ROUND COMFORT TO WORK, PLAY AND RELAX
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
*Sizing data for sample only. Consult a qualified installer for the actual requirements for your building.
Model HD/HDS Sound Pressure Level (dBA)
1
Model
Size
Modine Competitor
2
5 ft. 5 ft.
30 53 59
45 57 59
60 59 59
75 58 69
1. Measured at distance from unit shown.
2. Competitor published data.
Performance Data - Model HD/HDS
Model Size 30 45 60 75 100 125
Btu/Hr Input
1
30,000 45,000 60,000 75,000 100,000 125,000
Btu/Hr Output
1
24,000 36,000 48,000 60,000 80,000 100,000
Entering Airflow (CFM)
2
505 720 990 1,160 1,490 1,980
Outlet Velocity
2
523 749 653 769 565 747
Air Temp. Rise (ºF) 44 46 45 48 50 47
Mounting Height (Max ft.)
2
10 10 12 14 12 16
Heat Throw (ft.) 25 27 36 38 42 56
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
Dimensions (inches) - Model HD/HDS
Model Size 30 45 60 75 100/125
A 26.8 26.8 26.8 26.8 35.5
B 12.2 12.2 18.0 18.0 20.5
C
22 22 25 25 31.0
Gas Connection
1/2 1/2 1/2 1/2 1/2
Vent Connector Size (in.) 3 3 3/4* 3/4* 4
Approx. Shipping
Weight (lbs.)
55 60 80 85 125
* 3” for Model HD, 4” for Model HDS
HOT DAWG
™
SPECIAL EDITION BLACK UNITS
• Units are available in propane or natural gas
• Sizes: HD30, HD45, HD60 and HD75
• Available in satin black or standard green
• Perfect for single to four-plus car garages
• Available with standard power vent only
(Not available with stainless steel
exchanger or separated combustion)
Huntin’ Dawg
Carbon Fiber
Diamond Dawg
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 Airflow (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.
COMBUSTION AIR
LOUVERS (HD ONLY)
3 3
3 3
4 4 4
Combustion Air Inlet Connector
Size (Model HDS only) (in.)
B
A
CC (APPROX.)
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 Airflow (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.
COMBUSTION AIR
LOUVERS (HD ONLY)
3 3
3 3
4 4 4
Combustion Air Inlet Connector
Size (Model HDS only) (in.)
B
A
CC (APPROX.)
Clearances for Residentially-Certified Unit Heaters
Unit Side
Clearance To Combustible
Materials
Recommended Service
Clearance
Top and Bottom 1” 1”
Access Side 1” 18”
Non-Access Side 1” 1”/18”
1
Rear 18” 18”
Vent Connector 4”/6”
1
4”/6”
1
1. For high-efficiency unit only (Model PTC)
CUSTOMIZE YOUR HOT DAWG
™
WITH
EASY-TO-INSTALL TRIM KITS
Choose from three new trim kits.
They look great with our standard
green units too.
Follow us on Twitter @ModineHVAC
Modine Manufacturing Company
1500 DeKoven Avenue
Racine, Wisconsin 53403-2552
1.800.828.HEAT
www.ModineHVAC.com
EFFINITY
™
CONDENSING UNIT HEATER
(MODEL PTC)
• Up to 97% efficient, all units a minimum
of 93% efficient.
• The most efficient gas-fired, condensing unit
heater in North America
• Features Modine’s high-grade stainless steel
Conservicore
®
technology secondary heat
exchanger
• All sizes are separated combustion
• A minimum 15% decrease in C0
2
versus other
gas-fired heaters and minimum 17% gas savings
(up to 40%)
• A smart investment and respectable ROI with
valuable state utility rebates available
1. 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 about sea level. (In Canada see rating plate.)
Reduction of ratings requires use of high altitude kit.
2. Data taken at 65ºF ambient and unit fired at full-rated input. Mounting height as measured from
bottom of unit, and without deflector hoods.
Performance Data - Model PTC
Model size
55 65 85 110
Btu/Hr Input
1
55,000 65,000 85,000 110,000
Btu/Hr Output
1
51,150 60,450 79,050 102,300
Condensate Production (Gal./Hr.) 0.3 0.4 0.5 0.7
Entering Airflow (CFM) @ 70°F
2
1,097 1,141 1,650 1,750
Outlet Velocity (FPM)
2
618 650 619 668
Air Temp. Rise (°F) 43 49 44 54
Max. Mounting Height (Ft.)
2
12 12 13 13
Heat Throw (Ft.) @ Max. Mtg Ht 43 43 48 46
See us on YouTube www.youtube.com/ModineHVAC
DOWNLOAD OUR SAVINGS CALCULATOR APP:
CALCULATE YOUR COST AND ENERGY SAVINGS
WITH MODINE’S EFFINITY MOBILE APP
• Ideal for contractors and engineers responsible for
specifying HVAC equipment for projects of any size
• By entering simple jobsite data in the intuitive
calculator, users can compare products with differing
efficiencies, determine the annual cost savings, return
on investment and environmental advantages
• The results can be saved, emailed and printed with
a simple click
©2015 Modine Manufacturing Co. 6-114.9
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