steam and hot water horizontal and vertical. available in steam or hot water casing constructed...
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Horizontal Unit– Standard (Header Type)
Available in steam or hot water
Casing constructed out of 20 gauge die-formed steel
Standard with adjustable horizontal louvers
Totally enclosed fan motor standard
(19) Sizes 18-360 MBH Coil connections on top
and bottom of unit ETLc Certified
Horizontal Standard Coils
Cast bronze saddles braised to copper header
Copper tubing Aluminum fins Factory tested at 200 PSI Max working pressure
150 PSI Max steam temperature
366 ⁰F Pipe connections have
internal threads for ease of connection
Horizontal Unit - Serpentine• Hot water only• Casing constructed out of 20
gauge die-formed steel• Standard with adjustable
horizontal louvers• Totally enclosed fan motor
standard• (4) Sizes 8-36 MBH.• Coil connections on side of
unit• OSHA fan guard is standard• ETLc Certified
Horizontal Serpentine Coils
• Coil is serpentine design with 3/8” copper tubing. Tubing connections shall be 3/8” copper tubing, type “M”
• Aluminum fins• Factory tested at 200
PSI• Max working pressure
150 PSI• Pipe connections have
internal threads for ease of connection
Vertical Louvers (Horizontal Units)
Vertical louvers are available as a field installed accessory
Allows for the adjustment of airflow for 4-way air control
Vertical – Standard Available in steam or
hot water Casing formed by two
square steel plates Totally enclosed fan
motor standard (15) Sizes 41-705 MBH Coil connections on top
and bottom of unit ETLc Certified
Vertical Unit Coil
Copper coil with aluminum fins mechanically bonded to the tubes
Coils are tested at 375 PSI
Max working steam pressure of 75 PSI or hot water up to 225 PSI or 325 ⁰F
Threaded steel pipe coil connections
Phenolic Coating V1 – Phenolic Coating (Air Dried)
◦ The unit is coated with the Heresite VR-514 coating. ◦ It is a special primer-finish combination that is
specifically designed for salt water services.◦ It is ideal for use in building located on or near the
ocean or other large bodies of salt water.
V2 – Phenolic Coating (Baked)◦ The unit is coated with the Libcote-7-9818 coating.◦ It is specifically designed for use in moist, wet or damp
environments. ◦ It is ideal for use in waste water treatment plants or in
spaces with excessive amounts of steam or humidity in the air.
HS Tstats U1- Line
Voltage Stat “Off/Auto Switch”
U2 – Line Voltage Stat “Auto/Off/Fan Switch”
U3 – Line Voltage Stat “Auto/Off/ Fan Switch”
Tstats Continued U4 – Celsius Line
Voltage Thermostat (Fahrenheit version
shown)
W1 – T6169C Line Voltage Thermostat w/Subbase (Light Duty) – (VS Only)
VS Tstats W2 – T4051A
Line Voltage Thermostat (Heavy Duty)
W4 – Q651A1009 Stat Subbase Only (Used with T4051A1003 for “Off/Auto Switch”)
HS Room Layout
When selecting unit size and location keep the following items in mind: How close will the unit be to
people and small items? You don’t want a unit 4 feet from someone’s desk blowing 5,500 CFM at them
Always direct units toward areas of higher heat loss such as bay doors and truck loading docks
Fans with higher RPM will be louder than fans with lower RPM
See unit IOM for additional information