Goodman GMP Series User Manual

INSTALLATION & OPERATING
INSTRUCTIONS
for GMP
POWER VENTED MULTI-POSITION
GAS - FIRED AIR HEATER
This appliance is suitable for use as II
2H3P,
II
2E (S) B3P
& ll
2E3P
.
These instructions are only valid if the following country code is on the appliance.
This appliance is suitable for use on gas groups 2H, 2L, 2E & 3P.
If this code is not present on the appliance, it is necessary to refer to the technical instruc-
tions that provide the necessary information concerning the modification of the appliance to
the conditions for that country.
Before installation, check that the local distribution conditions, nature of gas and pressure,
and the current state adjustments of the appliance are compatible.
FACTORY FITTED FOR NATURAL 2H @ 20 mbar
230V ~ 50Hz. <15A. <2kW.
GAS SUPPLY
PRESSURE
BURNER
PRESSURE
COUNTRIES OF DESTINATION
2L G25 25Mbar 8.7 mbar NL
2E G20 20/25Mbar 8.7 mbar DE, LU, BE
2H G20 20Mbar 8.7 mbar AT, DK, ES, FI, GB, IE, IT, PT, SE, GR
3P G31 37Mbar 26.7 mbar ES, FR, GB, IE, PT, BE, NL, DE, LU
WARNING
IF THIS HEATER IS INSTALLED IN AN ENCLOSED AREA, SUCH AS A GARAGE OR
UTILITY ROOM, WITH ANY OTHER CARBON MONOXIDE PRODUCING DEVICE (i.e.
AUTOMOBILE, SPACE HEATER, ETC.) INSURE THAT THE ENCLOSED AREA IS
PROPERLY VENTILATED.
WARNING
CARBON MONOXIDE (REFERRED TO AS CO) CAN CAUSE PERSONAL INJURY OR
DEATH
WARNING
THIS HEATER IS DESIGN CERTIFIED FOR INSTALLATION IN BUILDINGS
CONSTRUCTED ON SITE ONLY.
IO-137CE-A Goodman Mfg. Co., L.P. 12/01
1501 Seamist, Houston, TX 77008

Goodman GMP Series Specifications

General

Fuel Type	Natural Gas or Propane
Type	Gas Furnace
Heating Capacity	40, 000 to 120, 000 BTU/h
Stages	Single Stage
Blower Type	Multi-Speed
Warranty	Limited Lifetime Heat Exchanger, 10-Year Parts

Summary

Repair Parts List

Location

General Safety Warnings

Important warnings regarding carbon monoxide and safe operation.

Installation Locations

Guidelines on where the heater can and cannot be installed.

Venting

Vent Termination Requirements

Mandates that the vent system must terminate outdoors.

Venting Restrictions

Prohibits connecting to specific types of chimneys or fireplaces.

Setting the Gas Pressure

Gas Pressure Adjustment Procedure

Step-by-step guide for adjusting gas supply and manifold pressures.

Combustion / Ventilation Air

Unconfined and Confined Spaces

Distinguishes between space types affecting air requirements.

Combustion Air from Indoors

Details on providing air from indoor spaces.

Combustion Air from Outdoors

Details on providing air from outdoor spaces.

Gas Piping Connection

Gas Piping Installation Best Practices

Guidance on proper gas piping connections, leak checks, and strain avoidance.

Circulating Air Supply and Return Air

Air Supply Sources and Duct Requirements

Options for air supply and requirements for return air ducts.

Electrical Supply Connections

Electrical Requirements and Wiring

Specifies voltage, frequency, and wiring guidelines for power connection.

Control Voltage Connections

Thermostat Installation and Location

Instructions for installing and positioning the thermostat.

Checking Gas Pressures

Gas Pressure Verification Steps

Method for checking supply and manifold gas pressures.

Safety Control Functions and Check-out Procedure

Main Limit Switch Operation

Explains the function and testing of the main limit switch.

Vent Pressure Switch Function

Describes the vent pressure switch and its role in operation.

Flame Roll-Out Switch Operation

Details the flame roll-out switch and its manual reset function.

Flame Sensor and Ignition

Explains the flame sensor's role in the electronic ignition system.

Blower Door Interlock Switch

Function of the switch that prevents operation with the blower door open.

Integrated Fan/Ignition Control

Overview of the combined ignition module and fan control unit.

Circulating Air Filters

Filter Installation and Maintenance

Guidance on installing, inspecting, and maintaining air filters.

Temperature Rise

Measuring and Adjusting Temperature Rise

Procedure to measure and adjust the temperature rise of the heater.

Motor Lubrication and Maintenance

Blower and Venter Motor Care

Instructions for maintaining the blower and venter motors.