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Modine Manufacturing HD 100 - User Manual

Modine Manufacturing HD 100
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6-574.2
5H081079A
Sept, 2015
INSTALLATION INSTRUCTIONS
two-point mounting kit
models HD/HDS (100 & 125 only), PTC, PTS, PTP, PDP (350 &400)
Two-Point Mounted Unit Heater
WARNING
Gas supply shall be shut-off and the electrical power
disconnected before proceeding with the conversion.
Failure to do so could result in fire, explosion, electrical
shock, or the unit starting suddenly resulting in injury.
2-POINT MOUNTING KIT
Model Application
On occasion, building structures may not easily accommodate
the standard four-point unit suspension on HD/HDS (100 &
125 only), PTC (85-310 only), PTS, PTP, PDP (350 &400)
models. For those cases, Modine offers a two-point mounting
conversion kit, which can be used to convert the unit to two-
point suspension. The conversion kit includes two heavy
gauge "C" channel brackets and two angle brackets, along
with required fasteners to attach the brackets to the heater.
To ensure adequate suspension of the unit is achieved, follow
these instructions in detail. For complete unit installation
instructions, please refer to the latest revision of the
Installation & Service Manual that shipped with the unit.
These are summarized in Table 1.1.
Figure 2.2 – Angle Bracket Installation
Model
Installation & Service
Manual
HD 100 & 125 6-583
HDS 100 & 125 6-584
PTC (85–310) 6-563
PTS, 6-561
PDP 350 & 400 6-580
PTP 6-560
As shipped with the unit, or latest revision.
Detailed instructions for the assembly/installation of
the two-point mounting kit are on the reverse side of
this sheet.
IMPORTANT
1. The use of this manual is specifically intended for a
qualified installation and service agency. All installation
and service of these kits must be performed by a
qualified installation and service agency.
2. These instructions must also be used in conjunction
with the Installation and Service (I&S) Manual originally
shipped with the appliance being converted, in addition
to any other accompanying component supplier
literature.
THIS MANUAL IS THE PROPERTY OF THE OWNER.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.

Questions and Answers

  • S
    Sean LaneAug 10, 2025
    How to troubleshoot a Modine Manufacturing HD 100 that does nothing?
    • H
      Heather DominguezAug 11, 2025
      If your Modine Manufacturing Heater isn't working, here are a few things to check: * Make sure the main power is turned on. * Check for 24V power to the thermostat. Inspect the control transformer and, if it's faulty, examine the thermostat wire gauge and length. * Verify the thermostat's wiring, ensuring connections only to the R&W terminals. If issues persist, consider replacing the thermostat. * Examine the LED flash code. * If none of the above steps work, the control might be defective and need replacement.
  • R
    Rachel JordanAug 17, 2025
    What to do if my Modine Manufacturing HD 100 starts but doesn't ignite?
    • M
      Mrs. Carol Clay MDAug 17, 2025
      If your Modine Manufacturing Heater starts but fails to ignite, consider the following steps: 1. Ensure the main gas supply is on by opening the manual gas valve. 2. Purge the gas line to remove any trapped air. 3. Adjust the main and manifold gas pressure according to the manual's instructions. 4. Confirm that the gas valve switch is in the "ON" position.
  • M
    Matthew BaileyAug 23, 2025
    Why does my Modine Manufacturing HD 100 shut off after a few seconds?
    • J
      Jennifer WilsonAug 23, 2025
      If the burners on your Modine Manufacturing Heater go out quickly, check these: * Confirm the main power polarity is correct: Black wire - HOT, White wire - NEUTRAL, Green wire - Ground. * Ensure the unit is properly grounded and verify the quality of the ground connection. * Inspect the flame sense probe and its connection.
  • S
    Susan French MDAug 28, 2025
    How do I fix an inoperable air circulating fan in my Modine Manufacturing Heater?
    • V
      Veronica MoranAug 28, 2025
      If the air circulating fan in your Modine Manufacturing Heater isn't working, try these steps: * Check all connections to ensure they are secure. * Check the control board data sheet and function. * Check the fan motor.
  • M
    mgarciaSep 3, 2025
    What does it mean if the LED light is off or flashing on my Modine Manufacturing HD 100?
    • D
      David Contreras MDSep 3, 2025
      Control board LED flash codes vary with control type. A decal is installed in the unit giving a brief description of the applicable codes for your heater. For more detail, see the control board data sheet included with this manual.

Modine Manufacturing HD 100 Specifications

General IconGeneral
BrandModine Manufacturing
ModelHD 100
CategoryHeater
LanguageEnglish

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