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Modine Manufacturing PDP User Manual

Modine Manufacturing PDP
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October, 2008
INSTALLATION AND SERVICE MANUAL
gas-fired unit heaters
models PDP and BDP
6-580.4
5H78213A Rev. E
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.
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.

Table of Contents

Questions and Answers:

Modine Manufacturing PDP Specifications

General IconGeneral
BrandModine Manufacturing
ModelPDP
CategoryGas Heater
LanguageEnglish

Summary

Initial Safety and Handling

General Safety Precautions

Covers immediate safety actions for gas leaks, flammable vapors, and installation warnings.

Unit Arrival Inspection

Details the necessary checks when the unit is received.

Hazard Warnings and Precautions

Hazard Intensity Levels

Explains the definitions of DANGER, WARNING, CAUTION, and IMPORTANT severity levels.

Critical Installation Warnings

Lists specific warnings and precautions to prevent damage or injury.

Unit Placement and Clearances

Location Recommendations

Provides guidelines for selecting an appropriate installation site for the unit.

Clearance Requirements

Specifies minimum distances to combustible materials and for service access.

Installation: Lifting, Suspension, and Venting

Unit Lifting and Suspension

Details methods for safely lifting and mounting the unit.

Venting Safety and Instructions

Outlines essential safety warnings and general instructions for venting the unit.

Venting Specifications

ANSI Venting Requirements

Details categorized venting requirements based on pressure and condensation.

Venting Termination Guidelines

Illustrates and describes proper vent termination for various roof pitches and obstructions.

Horizontal Venting Requirements

Category III Venting Procedures

Lists specific instructions for horizontal Category III venting, including sealing and pipe lengths.

Vent Terminals and Construction

Describes approved vent terminals, construction through walls, and termination clearance rules.

Gas Connections

Gas Supply Safety and Pressure

Covers warnings, cautions, and important notes regarding gas supply and pressure.

Piping and Installation Guidelines

Details piping, shut-off valves, sediment traps, and gas pipe capacity tables.

Electrical and Ductwork Installation

Electrical Connection Safety

Provides warnings and cautions for safe electrical hookups.

Ductwork Installation Best Practices

Offers important notes and recommendations for ductwork installation.

Blower Speed Determination

Explains how to determine the correct blower speed for optimal performance.

Blower Adjustments

Blower Speed Adjustment

Outlines steps for adjusting the motor sheave and checking blower RPM.

Belt Tension and Sheave Alignment

Covers setting belt tension and checking sheave alignment.

Start-Up and Burner Adjustments

Pre-Start Up Checks

Lists critical checks before powering up the unit.

Pilot Burner Adjustment

Details how to adjust the pilot flame for optimal operation.

Main Burner Adjustment

Explains how to adjust the main burner pressure and flame.

Manifold and Flame Control

Manifold Pressure Adjustment

Guides on adjusting manifold pressure using a manometer and gas consumption data.

Burner Flame Control Methods

Explains flame adjustment for natural gas and propane using manifold and air shutters.

Control System Operation Sequences

Single and Two-Stage Controls

Describes the operational steps for single and two-stage gas controls.

Mechanical Modulating Control Sequence

Explains the sequence for mechanical modulating gas controls and their dial settings.

Optional Unit Features

Gas Valve Options

Details single-stage, two-stage, and mechanical modulation gas valve options.

Ignition and Control Options

Describes ignition controllers, time delay relays, and low voltage terminal boards.

Electrical Details and Options

Standard Unit Options

Describes standard options like transformers, high limit switches, pressure switches, power exhausters, and blower motors.

Electrical Data Tables

Provides electrical specifications for propeller and blower units.

General Performance Data

Propeller Unit Performance

Presents performance metrics and motor data for propeller models.

Blower Unit Performance

Shows performance metrics and motor data for blower models.

Blower Performance with Filters

Performance Data with Filters

Details blower performance with filters under various static pressures.

575V Selection Notes

Provides important notes for selecting 575V components.

Detailed Blower Performance

Performance with Blower Enclosure

Provides performance data for blower units with enclosures and filters.

575V Drive and Sheave Selection

Offers specific guidance for 575V motor and drive selection.

Blower Model Specifications

Power and Drive Data

Lists power requirements and drive/sheave specifications for blower models.

Nozzle Performance Data

Nozzle Mounting and Throw

Details mounting height, heat throw, and heat spread for different nozzle types.

Propeller Hood Performance Data

Downward Deflector Hoods

Provides performance data for 30°, 60°, and 90° downward deflector hoods for propeller units.

Blower Hood Performance Data

Downward Deflector Hoods

Shows performance data for 30°, 60°, and 90° downward deflector hoods for blower units.

Propeller Unit Dimensions

PDP Model Dimensions

Presents dimensional drawings and a table of measurements for PDP propeller units.

Blower Unit Dimensions

BDP Model Dimensions

Provides dimensional drawings and a table of measurements for BDP blower units.

Unit Maintenance

General Unit and Component Checks

Outlines routine cleaning and checks for the unit, electrical, gas, propeller, and blower assemblies.

Assembly Removal Procedures

Details the steps for removing the manifold and burner/pilot assemblies.

Troubleshooting Guide

Pilot and Main Burner Issues

Addresses problems with pilot and main burners not lighting or operating correctly.

Troubleshooting Flame Conditions

Flame Appearance Issues

Addresses issues like flashback, floating flames, and flame rollout with visual references.

Unit Identification

Rating Plate Information

Explains how to read and interpret the unit's model, serial number, and rating plate details.

Commercial Warranty

Warranty Terms and Exclusions

Outlines the warranty periods and exclusions for various unit components.

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