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April, 2002
I
NSTALLATION AND SERVICE MANUAL
gas-fired unit heaters
models PD and BD
6-553.3
5H73889A (Rev.D)
Contents
Pages
Inspection on arrival................................................................1
Installation (including venting)..............................................2-8
Operation ...........................................................................9-10
Checking input rate...............................................................11
Dimensional data .............................................................12-13
Performance data.............................................................12-19
Service instructions – safety devices..............................20-21
Service instructions – general...............................................22
Troubleshooting................................................................22-24
Motor data........................................................................25-26
Model identification ...............................................................26
Control options......................................................................27
Warranty..................................................................Back cover
WARNING
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
throroughly before installing or servicing this
equipment.
All models approved for use in California by the CEC (when
equipped with IPI), in New York by the MEA division, and in
Massachusetts. Unit heater is certified for non-residential
applications.
Inspection on Arrival
1. Inspect unit upon arrival. In case of damage, report
immediately to transportation company and your local
Modine sales representative.
2.
Check rating plate on unit to verify that power supply meets
available electric power at the point of installation.
3. Inspect unit received for conformance with description of
product ordered (including specifications where applicable).
FOR YOUR SAFETY
IF YOU SMELL GAS:
1. Open windows.
2. Don’t touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.
CAUTION
To prevent premature heat exchanger failure do
not locate ANY gas-fired units in areas where
chlorinated, halogenated, or acid vapors are
present in the atmosphere.
IMPORTANT
The use of this manual is specifically intended
for a qualified installation and service agency.
A qualified installation and service agency must
perform all installation and service of these
appliances.
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.
THIS MANUAL IS THE PROPERTY OF THE OWNER.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
Heater Parts from ACF Greenhouses