Modine Manufacturing HD Installation And Service Manual
Gas-fired unit heaters
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- Manual (224 pages) ,
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Table of Contents
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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.
!
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 thoroughly before installing or
servicing this equipment.
THIS MANUAL IS THE PROPERTY OF THE OWNER.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER
WHEN YOU LEAVE THE JOB.
INSTALLATION AND SERVICE MANUAL
Certified for Commercial and Residential Use
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.
!
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.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS:
• Open windows.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier,
call your fire department.
Inspection on Arrival
1. Inspect unit upon arrival. In case of damage, report it
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 upon arrival for conformance with description of
product ordered (including specifications where applicable).
Part 5H74925 Rev.A
gas-fired unit heaters
model HD
A
G
S
R
CAUTION
6-576.1
July, 1998
R
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Table of Contents
Related Manuals for Modine Manufacturing HD
Summary of Contents for Modine Manufacturing HD
- Page 1 6-576.1 Part 5H74925 Rev.A July, 1998 INSTALLATION AND SERVICE MANUAL gas-fired unit heaters model HD Certified for Commercial and Residential Use 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.
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Page 2: Special Warnings
14. Modine unit heaters are designed for use in heating applications with ambient temperatures between -40° F and 90° F. 15. Be sure no obstructions block air intake and discharge of unit heater. 16. Do not attach duct work, air filters, or polytubes to any HD unit heaters. - Page 3 Structures NFPA 88A and the Standard for Repair Garages NFPA 88B. In Canada, installation of unit heater in airplane Do not attach ductwork, air filters, or polytubes to any HD unit hangars must be in accordance with the requirements of the heaters.
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Page 4: Installation
This is important so that all the information labels Finally, the HD gas-fired unit heater can also be installed on a can be read. shelf, if so desired. The mounting brackets will need to be •... -
Page 5: Venting Instructions
FAILURE TO FOLLOW THESE INSTRUCTIONS could result in serious injury or death. Table 1 11. All vertically vented HD heaters are category I and must be ANSI Unit Heater Venting Requirements connected to a factory built chimney or vent complying with... - Page 6 Figure 4 volume of the annular area. Vertical Venting Through Flat Roof Additional Requirements For Horizontal Venting: 1. All HD heaters that are horizontally vented perform as 2' Min category III appliance. Category III venting has special venting requirements as follows: A.
- Page 7 Refer to Table 5, to Modine Specified Cap (See No.4, page 6) determine the cubic feet per hour (cfh) for the type of gas and size of unit to be installed.
- Page 8 INSTALLATION Piping Table 2 – Gas Pipe Capacities In Cu. Ft. per Hour with Pressure Drop pf 0.3 in. W.C. with Specific Gravity 0.60. Length of Diameter of Pipe - Inches Pipe in Ft. 1-1/4 1-1/2 1220 2480 6500 13880 38700 79000 1650...
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Page 9: Operation
INSTALLATION C. Use only your hand to move the gas control switch. Never Wiring use tools. If the switch will not move by hand, don’t try to CAUTION repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion. Disconnect power supply before making wiring connections to D. -
Page 10: Input Adjustments
If the correct number of seconds cannot be obtained check Remove the 1/8" pipe plug in outlet pressure tap in orifice size. Correct orifices can be obtained from Modine combination gas control and attach water manometer or “U” Manufacturing Company, Buena Vista, Virginia. When tube which is at least 12"... - Page 11 CHECKING INPUT RATE If pressure as indicated by “U” tube is more than 1/2" W.C. higher or lower than indicated in Table 5, check inlet pressure at unit. The inlet pressure should be 6-7" W.C. pressure on natural gas and 12-14" W.C. on propane gas. After adjustment, move gas control knob (or lever) to OFF and replace 1/8"...
- Page 12 Figure 10 Major Gas, Electrical Service, Safety and Other Components Field Supplied Gas Pipe Mounting Brackets Common Replacement Gas Orifices Parts Heat Exchanger Hot Surface Igniter Combination Gas (Hidden) Control Electrical Access Holes Diagnostic Limit Codes Control (Hidden) Pressure Switch Manual Reset Flame Rollout Switch (2 switches on some models at top and bottom burners)
- Page 13 Figure 11 HD Unit Heater Rear View Mounting Brackets Electrical Access Fingerproof Fanguard Holes Fan Motor Access Panel with Vent Pipe Connection Lighting / Operating Gas Pipe Hole Instructions Figure 12 [Gas Pipe Field Supplied] HD Unit Heater in Standard...
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Page 14: Dimensions (Inches)
DIMENSIONS/PERFORMANCE – HD Mounting Holes Typ Vent Pipe 5/16 x 2.5" Long Connection Adjustable Deflector 1.00 Blades Electrical Connections Connection Opening Opening Access Panel Back View Access Side Dimensions (inches) Models HD30 HD45 HD60 HD75 26.8 26.8 26.8 26.8 12.2 12.2... -
Page 15: Motor Data
MOTOR DATA Power Code Description Motor Data and Total Power Requirement Power Electric HD30 HD45 HD60 HD75 Voltage 115/60/1 Code Power Horsepower Mtr. Mtr. Total Total Amps Amps Watts 115/60/1 1/25 1/15 1/12 1/12 1/25 1550 1/15 1550 1/12 1625 CONTROL OPTIONS Control Service... -
Page 16: General Maintenance
Any contacts open to shut the electric gas valve off in the event the substitution of parts or controls not approved by Modine will be unit should overheat. This limit control should operate only at the owners risk. -
Page 17: For Service
(Remove access cover to locate) replace the pressure switch, if there is no flow check the power exhauster. HD 4 5 A H 0 1 3 4 Hot Surface igniter CONTROL CODE The hot surface igniter (located behind the access panel and TYPE under the combination gas control) will ignite the gas. - Page 18 HD Replacement Parts When requesting parts please contact your local representative. Please have full model and serial number available. If you require assistance in locating your representative, please call the number located on the pack page. HD Unit Heater Wiring Diagram...
- Page 19 DEFECTS, AND HOW YOU CAN GET WARRANTY SERVICE This warranty covers all defects in material and workmanship in your Modine unit heater, when used for your home or garage. Modine will have the unit heater, or its parts, repaired or...
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Page 20: Commercial Warranty
State of Wisconsin (Uniform Commercial Code). EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN As Modine Manufacturing Company has a continous product improvement program, it reserves the right to change design and specifications without notice.