Modine Manufacturing 1-500 Installation And Service Manual
1-500
5H081501
October, 2010
INSTALLATION AND SERVICE MANUAL
HOT DAWG H
2
O
®
- Low Profile Hot Water Unit Heater
Model HHD
THIS MANUAL IS THE PROPERTY OF THE OWNER.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
General Information
Installation and service instructions in this manual are
applicable to model HHD, low profile hot water unit heaters,
which should be installed in their proper applications for their
most effective function as heating units.
The water coils are warranted for operation at water pressures
up to 150 psi and temperatures up to 200°F.
Motors are designed for continuous duty. They can operate in
a maximum ambient temperature of 104°F (40°C).
The unit heaters are listed by ETL as certified. Units not
approved for use in potable water systems.
Table of Contents
General Information……………………………………..
Inspection on Arrival…………………………………….
Special Precautions……………………………………..
SI (Metric) Conversion Factors………………………...
Installation
Unit Location…………………………………………
Unit Mounting………………………………………..
Hot Water Piping…………………………………….
Electrical Connections………………………………
Start-Up Procedure
Prior to Operation……………………………………
Initial Start-Up………………………………………..
Typical Sequence of Operation……………………
Troubleshooting……………………………………..
Unit Data
Dimensions…………………………………………..
Electrical Data……………………………………….
Mechanical Data…………………………………….
Performance Data…………………………………...
Maintenance/Replacement Parts……………………...
Warranty………………………………………………….
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Inspection upon Arrival
1. Inspect unit upon arrival. In case of damage, report
immediately to transportation company and your local
factory sales representative.
2. Check rating plate on unit to verify that the 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).
Note: Modine Manufacturing Company has a continuous
product improvement program, and therefore reserves the right
to change design and specifications without notice.
WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, injury or death. Read the installation,
operating and maintenance instructions
thoroughly before installing or servicing this
equipment.
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.