User Manual
3
6-175.9
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 • • • •
Factory installed on/off toggle switch • • • •
Table 3.1 - Standard Features and Factory Options j
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
j See page 13 for Field Installed Accessories
Figure 3.3 -
Propeller Unit Heater
Figure 3.1 - Hot Dawg
Propeller Unit Heater