Product Brochure

3
6-175.7
DESIGN FEATURES - ALL MODELS
Feature
Model
HDS HDC PTS BTS
Cabinet and Air Mover
Aluminized steel cabinet (gauge indicated) 22 ga. 22 ga. 20 ga. 20 ga.
Low profile casing design 
Baked-on polyester powder paint for durability and corrosion resistence 
Adjustable air-deflector blades 
Fans engineered for quiet operation 
Totally enclosed fan/blower motors for maximum durability (model sizes 100 and above) 
Fingerproof fan guard (optional on PTS units) 
Two L-shaped mounting brackets (optional on sizes 100/125) 
Multi-tap 3-speed motors, certified to 0.8” W.C. external static pressure 
Adjustable motor sheaves, certified to 0.7” W.C. external static pressure 
Heat
Exchanger
and Burner
82% thermally efficient 
Aluminized steel heat exchanger (409 stainless steel optional) 
Tubular heat exchanger for superior durability 
In-shot burner on each heat exchanger tube for reliable performance, ease of
serviceability and low sound level on flame ignition/extinction

Controls
ETL certification for commericial and industrial use in the US and Canada 
ETL certification for residential use in the US and Canada 
Factory-installed power exhauster 
Controls for natural gas (propane optional) 
Single stage gas controls (two stage optional) 
High limit safety control 
Differential pressure switch for proof of venting 
Flame roll-out safety switch 
Direct spark ignition with continuous retry control system 
Control terminal board and low voltage terminal connections 
Gas control step down transformer with 24V gas controls 
Fan delay timer 
Table 3.1 - Standard Features and Factory Options M
Separated Combustion Unit Heaters, 30-125MBH
For residential, commercial or industrial applications that require
a low profile unit, Modine offers the Hot Dawg®. Capable of
being installed just one inch below the ceiling, the superior
quality of the Hot Dawg makes it a preferred choice for a
variety of applications, including garages and workshops.
Separated Combustion Unit Heaters, 150-400MBH
For commercial or industrial applications that require higher input
ratings, the PTS/BTS is available in ratings that range from
150,000 to 400,000 Btu/Hr in either natural or propane gas.
Figure 3.2 - Hot Dawg
Blower Unit Heater
Model HDS Model HDC
Figure 3.4 -
Blower Unit Heater
Model PTS Model BTS
M See page 13 for Field Installed Accessories
Figure 3.3 -
Propeller Unit Heater
Figure 3.1 - Hot Dawg
Propeller Unit Heater