Modine Manufacturing HD Series Installation And Service Manual

WARNING
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 acid
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. 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.
InsTAllATIon And servICe mAnuAl
All models approved for use in California by the CEC and
in Massachusetts. Unit heater is certified for residential and
commercial applications.

Inspection on Arrival

1.
2.
3.

Table of Contents

Inspection on Arrival . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Special Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SI (Metric) Conversion Factors. . . . . . . . . . . . . . . . . . . . . . . . . 3
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unit Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Service/Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Unit Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Serial/Model Number/Replacement Parts . . . . . . . . . . . . . . . 19
Commercial Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
THIS MANUAL IS THE PROPERTY OF THE OWNER.
gas-fired unit heaters
model Hd and HdB
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.
IMPORTANT
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.
Inspect unit upon arrival. In case of damage, report it
immediately to the transportation company and your local
Modine sales representative.
Check rating plate on unit to verify that power supply meets
available electric power at the point of installation.
Inspect unit upon arrival for conformance with description of
product ordered (including specifications where applicable).
Combustible Material and Service Clearances . . . . . . . . . 4
Unit Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Gas Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Wiring/Blower Speed Adjustment . . . . . . . . . . . . . . . . . . 13
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6-583.6
5H8000400000
March, 2014