W ARNING
1. Improper installation, adjustment, alteration, service,
or maintenance can cause property damage, injury, or
death, and could cause exposure to substances which
have been determined by various state agencies to
cause cancer, birth defects, or other reproductive
harm. Read the installation, operating, and
maintenance instructions thoroughly before installing
or servicing this equipment.
2. Do not locate ANY gas-fired units in areas where
chlorinated, halogenated, or acidic vapors are present
in the atmosphere. These substances can cause
premature heat exchanger failure due to corrosion,
which can cause property damage, serious injury, or
death.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS:
1. Open windows.
2. Do not try to light any appliance.
3. Do not touch any electrical switch; do not use any
phone in your building.
4. Extinguish any open flame.
5. Immediately call your gas supplier from
a neighbor's phone. Follow the gas supplier's
instructions. If you can not reach your gas supplier,
call your fire department.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
separated combustion gas-fired unit heaters
Inspection on Arrival
1. Inspect unit upon arrival. In case of damage, report it
2. Check rating plate on unit to verify that power supply meets
3. Inspect unit upon arrival for conformance with description of
Table of Contents
Inspection on Arrival . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Start-Up Procedure/Operation . . . . . . . . . . . . . . . . . . . . . . . . 20
Unit Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Performance Data - General . . . . . . . . . . . . . . . . . . . . . . . . . 22
Performance Data - Downturn Hoods . . . . . . . . . . . . . . . . . . 23
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Service/Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
THIS MANUAL IS THE PROPERTY OF THE OWNER.
INSTALLATION AND SERVICE MANUAL
All models approved for use in California by the CEC and in
Massachusetts. Unit heater is certified for non-residential
applications.
FOR YOUR SAFETY
The use and storage of gasoline or other flammable
vapors and liquids in open containers in the vicinity of this
appliance is hazardous.
IMPOR T ANT
The use of this manual is specifically intended for a
qualified installation and service agency. All installation
and service of these units must be performed by a
qualified installation and service agency.
immediately to transportation company and your local
Modine sales representative.
available electric power at the point of installation.
product ordered (including specifications where applicable).
Combustible Material and Service Clearances . . . . . . . . . . 4
Unit Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Gas Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Requirements/Adjustments and Data for Blower Units. . . . 15
6-561.12
5H0801060000
October 2019
model PTS and BTS