Thermo Pride GMD1-60N Handbuch

THERMO PRODUCTS, LLC.

POST OFFICE BOX 217

NORTH JUDSON, IN 46366

PHONE: (574) 896-2133

MG-505

ECN 5396-MA 141211 MADE IN USA

GAS-FIRED FURNACE

DOWN FLOW & DIRECT VENT (SEALED COMBUSTION)

MODELS: GMD1-60N and GMD1-80N

INSTALLATION AND SERVICE MANUAL

For installation in:

1. Manufactured Homes

2. Modular Homes/Buildings

3. Site Constructed—Residential (Single Story Dwellings)

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this

or any other appliance.

WHAT TO DO IF YOU SMELL GAS

• 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 the fire department.

If the information in these instructions is not followed exactly, a fire or explosion may

result causing property damage, personal injury, or loss of life.

:Improper installation, adjustment, alteration, service, or maintenance can cause

injury or property damage. Refer to this manual. For assistance or additional information, consult

a qualified installer, service agency, or fuel supplier.

: Do not use this appliance if any part has been underwater. Immediately call a

qualified service technician to inspect the appliance and to replace any part of the electrical or

control system that has been underwater.

PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND BEFORE

PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST BE LEFT WITH THE USER

AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL.

All installations and services must be performed by qualified service personnel.

I. SAFETY SECTION

This page and the following two pages contain various warnings and cautions

found throughout this furnace Service and Installation Manual. Please read and

comply with the statements on the cover and the statements below.

This furnace is not to be used as a construction heater.

When testing electrical equipment, always follow standard electrical

procedures and precautions.

The area around the furnace should be kept free and clear of

combustible materials, especially papers and rags.

This furnace uses an automatic hot surface ignition control. NEVER

try to ignite gas manually.

: If the temperature rise exceeds 85°F, the heat exchanger may fail

voiding the heat exchanger warranty resulting in property damage, personal

injury or loss of life.

Burner adjustments must be confirmed by instrumentation. Failure to

use accurate or calibrated instrumentation to setup the burner may result in

reduced efficiency, sooting, and/or the production of hazardous carbon

monoxide gas.

Any attempt to relocate safety controls or replace safety controls with

a control that is not approved or incompatible, may result in personal injury,

substantial property damage or death.

If you do not follow these instructions exactly, a fire or explosion may

result causing personal injury, loss of life or property damage.

HAZARD OF ASPHYXIATION: Negative pressure inside the closet with

closet door closed and the furnace blower operating shall be no more negative

than minus 0.05 inch water column.

Do not obstruct any return air openings, including the return grille on

the furnace. To do so may cause the furnace to activate the high limit and shut

down or it may cause asphyxiation.

Because of the potential of odorant fade, a gas leak may not be

detected by smell. If this furnace is installed below grade, contact your gas

supplier for a gas detector.

All gas pipe connections must be leak tested using a strong soap and

water solution (with the gas turned on). Any leaks must be repaired immediately

All installations and services must be performed by qualified service personnel.

after turning off the gas supply. A final test for gas leakage must be made after

purging the gas line.

DO NOT wet electronic components during the leak test. Wetting

electronic components may damage circuitry and cause a hazardous situation.

Dry moisture from all leads and terminals if wetting occurs. Wait at least 24

hours for the circuit to fully dry before energizing the system.

The furnace and its gas valve must be disconnected from the gas

supply during pressure testing of the gas supply system at pressures in excess

of 1/2 PSIG or 14.0 inches W.G. The furnace can be isolated from the gas supply

by closing its manual shut off valve at test pressures equal to or less than 1/2

PSIG or 14.0 inches W.G.

Copper and brass tubing and fittings (except tin lined) shall not be

used if the gas contains more than a trace (0.3 grains per 100 cubic ft.) of

hydrogen sulfide gas. Check with your gas supplier.

If you suspect there is a problem with the furnace, the venting system

or any other related problem, immediately contact a qualified service agency. If a

service agency is not available, contact your fuel supplier.

Personal injury, or property damage, could result from major repair or

service of this furnace by anyone other than a qualified contractor. Only the

routine maintenance described in the user section of this manual should be

performed by the user.

Do not block or obstruct air openings on the furnace or air openings

communicating with the area in which the furnace is installed.

Do not allow the outside air intake to be blocked or obstructed by

vegetation, ice, snow or any other materials.

Do not use this furnace if any part has been underwater. Immediately

call a qualified service agency to inspect the furnace and to replace any part of

the electrical or control system, which has been underwater.

Should overheating occur or the gas supply fail to shut off, shut off the

manual gas supply valve to the furnace before shutting off the electrical supply.

All installations and services must be performed by qualified service personnel.

This page and the following page contain reproductions of the various warning

and instruction labels placed on the Thermo Pride Gas Furnace. Please read and

comply with the contents of these labels.

WARNING:

If you do not follow these instructions exactly, a

fire or explosion may result causing property damage,

personal injury or loss of life.

390540

1. Set thermostat to lowest setting, and, if equipped, set the operating

mode to "COOL" or "OFF".

2. If service is to be performed, turn off all electric power to the

appliance.

3. To turn off gas control valve, remove the burner compartment cover.

4. Move the gas control switch to the "OFF" position.

5. Replace the burner compartment cover.

1. STOP! Read the safety information above on this label.

2. Set the thermostat to the lowest setting.

3. Turn off all electric power to the appliance.

4. This appliance is equipped with a hot surface igniter that

automatically lights the burner. Do not try to light the burner by

hand.

5. Move the gas control switch to the "OFF" position.

6. Wait five (5) minutes to clear out any gas. Then smell for gas,

including near the floor or ground. If you smell gas, STOP! Follow

"B" in the safety information above on this label. If you don't smell

gas, go to the next step.

7. Move the gas control switch to the "ON" position.

8. Turn on all electric power to the appliance.

9. Set thermostat to desired setting, and, if equipped, set the operating

mode to "HEAT".

10.If appliance will not operate, follow the instructions "To Turn Off

Gas To Appliance" and call your service technician or gas supplier.

A. This appliance does not have a pilot. It is equipped with a hot

surface igniter that automatically lights the burner. Do not try to

light the burner by hand.

B. BEFORE OPERATING smell all around the appliance area for gas.

Be sure to smell next to the base of unit because some gas is

heavier than air and will settle on the floor or ground.

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electric 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 the fire department.

C. Use only your hand to move the gas control switch. Never use tools.

If the switch will not move by hand, don't try to repair it, call a

qualified service technician. Force or attempted repair may result in

a fire or explosion.

D. Do not use this appliance if any part has been underwater.

Immediately call a qualified service technician to inspect the

appliance and to replace any part of the control system and any gas

control which has been underwater.

All installations and services must be performed by qualified service personnel.

TABLE OF CONTENTS

SECTION BEGINNING PAGE

I. SAFETY SECTION 1

II. GENERAL INSTRUCTIONS AND CLEARANCES 6

III. FURNACE SPECIFICATIONS 8

IV. INSTALLATION 10

A. ROOF JACK 10

B. STANDARD CHIMNEY 10

C. FURNACE LOCATION 10

D. BASE INSTALLATION 12

1. Combustible Floor Base Model: 70-BASE 12

2. Cottage Base Model: 01COT-BASE 13

E. ALCOVE INSTALLATION 14

F. CLOSET INSTALLATION 15

G. COMBUSTION AIR 16

H. GAS PIPING 18

I. ELECTRICAL WIRING 19

J. INITIAL START UP 21

K. ADJUSTMENT OF BTU INPUT RATE 21

L. BURNER ADJUSTMENT 23

M. SETTING TEMPERATURE RISE 24

N. FURNACE CHECKOUT PROCEDURE 25

V. INSTALLER’S INSTRUCTIONS TO USER 26

VI. STARTING THE UNIT 27

A. SEQUENCE OF OPERATIONS 27

VII. TROUBLESHOOTING 29

VIII. DEALER MAINTENANCE 35

A. ELECTRICAL 35

B. BURNERS 35

C. INDUCER BLOWER ASSEMBLY 36

D. INSPECTING THE VENTING SYSTEM 36

E. GASKETS/SEALING MATERIALS 37

F. HEAT EXCHANGER 37

G. HOUSE AIR BLOWER 37

H. EXTENDED SHUTDOWN 37

IX. USERS INFORMATION SECTION 38

A. WARNINGS & CAUTIONS 38

B. COMPONENT LOCATIONS 39

C. INSPECTION AREAS 39

D. FILTER LOCATION AND CLEANING 40

APPENDIX A – REPLACEMENT PARTS 41

APPENDIX B – WIRING DIAGRAM 43

All installations and services must be performed by qualified service personnel.

II. GENERAL INSTRUCTIONS AND CLEARANCES

NOTE: READ THIS SECTION BEFORE STARTING INSTALLATION

1. This furnace is equipped with orifices for operation with natural gas. For

conversion to propane gas, see instructions in Gas Conversion Section of this

manual.

2. Any reference to L.P. or Propane gas in this manual, any other labels, or

markings on this furnace is to be construed to be propane HD-5. A commercial

grade of liquefied petroleum gases composed of a minimum of 90 percent liquid

propane (C8H8).

3. The selection of a furnace heating capacity for a proposed installation should be

based on a heat loss calculation made according to the manuals provided by the

Air Conditioning Contractors of America (ACCA) or the American Society of

Heating, Refrigeration and Air Conditioning Engineers, Inc. (ASHRAE).

4. It is recommended that a commercial available CO alarm be installed in

conjunction with any fossil fuel burning appliance. The CO alarm shall be

installed according to the alarm manufacturer’s installation instructions and be

listed in accordance with the latest edition of the UL Standard for Single and

Multiple Station Carbon Monoxide Alarms, UL 2034, or the CSA International

Standard, Residential Carbon Monoxide Alarming Devises, CSA 6.19.

5. The installer shall be familiar with and comply with all codes and regulations

applicable to the installation of these heating appliances and related equipment.

In lieu of local codes, the installation shall be in accordance with the current

provisions of one or more of the following standards.

a. Federal Manufactured Home Constructions & Safety Standard (HUD Total 24,

Part 280).

b. American National Standard (ANSI-119.2/NFPA-501C), for installations of all

recreational vehicles.

c. American National Standard (ANSI-Z223.1/NFPA-54), for installation of all gas-

fired furnaces.

d. American National Standard Electric Code (ANSI-C1/NFPA-70), for installation of

all electrical field wiring.

The gas-fired furnace has been investigated under the ANSI Z 21.47-CAN/CGA 22.3-

2001 CENTRAL FURNACE test standard. This gas fired unit is listed by Intertek

Testing Services and described as, “For installation as central furnace special type for

single story dwelling.”

All installations and services must be performed by qualified service personnel.

The area around the furnace must be kept free and clear of

combustible materials, especially papers and rags.

This furnace is not to be used as a construction heater.

6. Definitions of "combustible" and "non-combustible" materials as presented in the

1999 version of the National Fuel Gas Code, ANSI Z223.1-1999/NFPA 70-1999, are

as follows:

a. Combustible material:

“...materials made of or surfaced with wood, compressed

paper, plant fibers, or other materials that are capable of

being ignited and burned. Such material shall be

considered combustible even though flame proofed, fire-

retardant treated, or plastered.”

b. Non-combustible material:

“...material that is not capable of being ignited and

burned; such as material consisting entirely of, or a

combination of, steel, iron, brick, tiles, concrete,

slate, asbestos, glass, and plaster.”

This heating appliance must be installed with clearances to combustible material

surfaces of not less than the minimum distances given below. Also, allow ample

clearances for servicing the furnace for easy access to the air filter, blower assembly,

burner assembly, controls, and vent connections.

MODELS GMD1-60N and GMD1-80N CLOSET ALCOVE

FRONT

BACK

SIDES

ROOF JACK

VENT CONNECTOR

TOP

PLENUM SIDES

TOP AND SIDES OF DUCT

BOTTOM OF DUCT

6”

0”

6”

1”

18”

0”

6”

1”

All installations and services must be performed by qualified service personnel.

III. FURNACE SPECIFICATIONS

MODEL GMD1-60 GMD1-80

HEAT INPUT RATE (BTUH) 60,000 80,000

HEATING CAPACITY (BTUH) 49,000 65,000

BURNER ORIFICE-NAT. GAS (MM) #38 2.45

BURNER ORIFICE-PROP. GAS (DMS) #52 #53

GAS SUPPLY PRESSURE (IN.W.G.)

MINIMUM REQUIRED

PROPANE 11 11

NATURAL 5.5 5.5

MAXIMUM ALLOWED

PROPANE 14.0 14.0

NATURAL 14.0 14.0

GAS MANIFOLD PRESSURE (IN. W.G.)

PROPANE 10 + 0.3 10 + 0.3

NATURAL 3.5 + 0.3 3.5 + 0.3

VENT PIPE SIZE (INCHES) 4 4

DESIGN TEMPERATURE RISE (°F) 70 70

SEASONAL EFFICIENCY

(AFUE*, %) 82 81

*AFUE - INCLUDES STEADY STATE THERMAL EFFICIENCY AND OFF CYCLE

LOSSES.

ELECTRICAL RATINGS AND SETTINGS:

ELECTRICAL SUPPLY: 115 VAC / 60HZ / 1 PHASE

MAXIMUM TIME DELAY TYPE FUSE OR HACR BREAKER RATING: 15 AMPS

TOTAL RATED CURRENT (AMPS): 7.15 (GMD1)

NOMINAL HEAT ANTICIPATOR SETTING -- 0.8 mA (GMD1)

DIMENSIONS & WEIGHTS:

CABINET: WIDTH - 18 IN., DEPTH – 25-3/4 IN., HEIGHT - 57 IN.

NO.70 MOBILE HOME BASE: WIDTH - 18-5/16 IN., DEPTH - 24¼ IN., HEIGHT - 4 IN.

WARM AIR DUCT: WIDTH – 12 IN., DEPTH – 12 IN.

COTTAGE BASE: WIDTH – 18-3/16 IN., DEPTH - 24¼ IN., HEIGHT – 14 IN.

FILTER QUANTITY & SIZE: 1 – 18” x 24 “

APPROXIMATE SHIPPING WEIGHT: 165 LBS.

PRODUCT LISTED UNDER ETL FILE NUMBER –

All installations and services must be performed by qualified service personnel.

BLOWER DATA

GMD1-60

MANUFACTURER: MORRISON PRODUCTS, INC.

BLOWER MODEL: 10-7, DIRECT DRIVE

NOMINAL MOTOR POWER OUTPUT (HORSEPOWER): 1/3

TYPICAL AIRFLOW @ SPECIFIED EXTERNAL

STATIC PRESSURES (SCFM @. IN.W.G.):

ESP (IN W.C.) 0.2 0.5

LOW SPEED: 759 694

MEDIUM LOW

SPEED: 907 809

MEDIUM HIGH

SPEED: 1096 934

HIGH SPEED: 1207 1029

GMD1-80

MANUFACTURER: MORRISON PRODUCTS, INC.

BLOWER MODEL: 10-9, DIRECT DRIVE

NOMINAL MOTOR POWER OUTPUT (HORSEPOWER): 1/3

TYPICAL AIRFLOW @ SPECIFIED EXTERNAL

STATIC PRESSURES (SCFM @. IN.W.G.):

ESP (IN W.C.) 0.2 0.5

LOW SPEED: 712 640

MEDIUM LOW

SPEED: 870 760

MEDIUM HIGH

SPEED: 1100 886

HIGH SPEED: 1258 1003

ALL SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

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