Goodman Mfg GMS8 33-3/8 GAS FURNACE UNITS, RT6621031r2 service manual Schematics GMS8

Page 13

SCHEMATICS

GMS8

HIGH VOLTAGE!

DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS

UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO

DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

CIRCULATOR

BLOWER

HEAT COOL

CIR PARK PARK NEU

INDUCER

IND

K2

 

 

 

 

 

 

 

K3

 

K1

 

 

 

 

.0005

 

 

 

 

3M

 

FACTORY

K8

 

 

K5

JUMPER

 

 

 

 

 

 

 

 

 

FACTORY

 

 

 

 

JUMPER

 

FP IGN

GND

MV MV

PS HLO

HLI

FLAME

 

 

 

 

SENSOR

 

 

 

 

PROBE

 

 

HIGH

AUX

 

 

GAS

 

 

LIMIT

LIMIT

IGNITOR

 

VALVE

 

 

 

PRESSURE

SWITCH

R

 

 

RO2

ROLLOUT

 

RO1

 

SWITCH

 

TH

 

 

XFMR

 

 

HOT

 

 

 

24 VAC

 

XFMR

 

 

NEU

COMPRESSOR

 

TR

CONTACTOR

R

C

COIL

 

 

Y

Y

 

G

G

 

W

W

 

PSO

THERMOSTAT

 

TYPICAL SCHEMATIC

GMS8 * MODEL FURNACES

WR 50T55-289 INTEGRATED IGNITION CONTROL

This schematic is for reference only. Not all wiring is as shown above. Always refer to the appropriate wiring diagram for the unit being serviced.

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Contents Technical Manual 040 Product IdentificationThese models available in Natural Gas and Low NOx General Operation Product DesignUpflow/Horizontal Component IdentificationGMS8 Product DimensionsGMS8040-100BB GMS81205D*BA GMS81405DNCC Furnace Input Filter Size DEL Furnace SpecificationsCFM & Tem perature Rise vs. External Static Pressure Blower Performance SpecificationsBlower Installing this Failure to Injury or Death Wiring Diagrams GMS8Schematics GMS8

RT6621031r2, GMS8 33-3/8 GAS FURNACE UNITS specifications

Goodman Manufacturing is renowned for delivering reliable and efficient HVAC systems, and the RT6621031R2 GMS8 Gas Furnace is no exception. This gas furnace is specifically engineered for residential heating needs, ensuring comfort in various climates. Its design is both effective and energy-efficient, making it a popular choice among homeowners.

One of the main features of the GMS8 furnace is its two-stage heating capability. This technology allows the unit to operate at two different levels of heating output, which helps maintain a more consistent temperature within the home. During milder temperatures, the furnace can operate at a lower stage, saving energy while still delivering adequate warmth. On colder days, it seamlessly transitions to the higher stage, ensuring maximum comfort.

The GMS8 boasts a multi-speed blower motor, which enhances its overall efficiency and performance. This allows for variable airflow adjustments, improving air distribution throughout the home. The result is not only increased comfort but also reduced noise levels, making the operation of this furnace pleasantly quiet.

An important characteristic of the GMS8 is its durable construction, featuring a heavy-gauge steel cabinet designed to withstand harsh operating conditions. The integrated insulated blower compartment further ensures that the unit operates efficiently while minimizing heat loss. Its compact design allows for easier installation in various home configurations.

In terms of energy efficiency, the GMS8 is equipped with a 80% Annual Fuel Utilization Efficiency (AFUE) rating. This means that 80% of the gas consumed translates into usable heat, making it a cost-effective option for heating your home. Additionally, it is compatible with a range of programmable thermostats, allowing homeowners to optimize their heating schedules and further enhance energy savings.

The GMS8 furnace is also designed with safety in mind. It includes features such as an integrated self-diagnostic control board and a flame rollout switch for enhanced operational safety. The extended warranty options available also provide peace of mind, ensuring that homeowners feel secure in their investment.

In summary, the Goodman RT6621031R2 GMS8 Gas Furnace is an efficient, reliable, and durable heating solution for homes. With its two-stage heating capabilities, multi-speed blower motor, and a robust design, it stands out as a trusted choice for families seeking comfort and energy savings during the chilly months.