Goodman Mfg GME8 service manual Dual$aver Configuration & Operation, Product Design

Models: GME8

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Page 10

PRODUCT DESIGN

This furnace is capable of the following heating modes:

•Single Stage (Factory Setting)

•Modiﬁed Two-Stage

»Fixed 5-Min Low Stage

»Auto Time (1-12 Min) Low Stage

To change from the factory single-stage operation, adjust the dipswitches on the ignition control as follows:

Mode

5 Min Fixed

Auto

Off On

Mode Dipswitch

2nd Stage Delay Dipswitch

Note: This furnace is designed to be used with a single-stage room thermostat.

Start

Call for Heat

Safety Circuit Check

Start Furnace in Low Stage

Low-Heat Blower

Delay Time (5 Min)

Gas Valve Switch

to 2nd Stage

Blower Switch to Hi Heat Operation

Start

Call for Heat

Safety Circuit Check

Start Furnace

in Low Stage

Low-Heat Blower

Delay Time (1-12 Min)

Gas Valve Switch

to 2nd Stage

Blower Switch to Hi Heat Operation

T-Stat Satisﬁed

Image 10

Contents

Model numbers listed on page TECHNICAL MANUALGME8 33-3/880% Gas Furnace Upflow/Horizontal RT6621020 Rev. 1 AprilPRODUCT IDENTIFICATION HIGH VOLTAGEGME80703BXC GME80905CXC GME81155CXC PRODUCT IDENTIFICATIONAll models are low NOx models General Operation PRODUCT DESIGNLocation Considerations PRODUCT DESIGN Accessibility Clearances Minimum24 at front is required for servicing or cleaning Top clearance for horizontal confirgurationPRODUCT DIMENSIONS GME8*****XAPRODUCT DESIGN GME80703BXC1824 Coil MatchesPRODUCT DESIGN PRODUCT DESIGN ThermostatsFilters Upflow FiltersPRODUCT DESIGN Dual$aver Configuration & OperationDual$aver GME80905CXC FURNACE SPECIFICATIONSGME80703BXC GME81155CXCBLOWER PERFORMANCE SPECIFICATIONS BLOWER PERFORMANCEPERFORMANCE SPECIFICATIONS BLOWERWIRING DIAGRAMS GME8 CA0140F00658 REV.A GME8 CBWIRING DIAGRAMS HL EAO T HTYPICAL SCHEMATIC GME8 ** MODEL FURNACES SCHEMATICSWR 50M56-289INTEGRATED IGNITION CONTROL