Nordyne Comprehensive Guide to Thermostat Wiring and Wiring Diagrams for Mobile Home Furnaces

Page 34

WIRING DIAGRAM

Gas Atmospheric Furnaces, M1GH 056, 070

Figure 40

NOTES

1.Incoming power must be polarized. Observe color coding. (See furnace data label for electrical information.)

2.If any of the original wires (as supplied with the appliance) must be replaced, use 105˚C Thermoplastic type wire or its equivalent.

BLOWER

MOTOR

HEATING

ONLY

BLACK		BLACK

1 2 3 4 5 6

R C

COMMON

WHITE

AUX. LIMIT

BLUE

. Gas Atmospheric Furnace, M1GH 056, 070

NEUTRAL

ON/OFF		CONNECTOR	FOR OPTIONAL
ON/OFF		CONNECTOR	ACCESSORY KITS
SWITCH		HOUSING CAP
			WHITE
		BLACK	GRAY	RED
			GRAY	RED
BLACK	BLACK	BLACK		3A FUSE
		BLACK	GRAY
			GRAY
			TRANSFORMER	RED
			TRANSFORMER	R
SUPPLIED				L1
BY INSTALLER
		ORANGE
		ORANGE

HI-LIMIT

24 V C

115 V N WHITE

FAN SWITCH

BLUE

WIRING DIAGRAMS

Models

	WHITE
GROUND	GRAY
SCREW
	FURNACE ELECTRICAL BOX
	GAS VALVE
FAN ON/AUTO SWITCH

BLACK

BLUE


LEGENDS
115V:				FIELD 115V:

24V:				FIELD 24V:

MANUAL RESET

VENT SWITCH

703887B

(Replaces 703887A) 02/99

Image 34

Contents Installation Instructions For installationReturn Air Connections Supply Air Connections Homeowner Information Installer Information InformationStanding Pilot Models Direct Ignition Models Oil Gun Models Safety Information Requirements and CodesSafety Gas Piping and Gas Pipe Pressure TestingGeneral Installation Combustion and Ventilation AirMinimum Clearances General InformationALL Models Closet Alcove Unit Location AssemblyApplications BlowerGas piping is not run in or through the return duct system Circulating AIR RequirementsReturn Air Connections Supply Air ConnectionsGeneral Information Furnace InstallationDetermine which duct connector to use from Requirements and CodesCut-Out Dimensions for Standard Duct Connectors Duct Connector Sizes Standard Duct Connector InstallationDuct Connector Tabs Installing The FurnaceRoof Jack Selection Roof Jack InstallationRequired ceiling and roof cut-out openings see Application NotesRoof Jack Series If Roof Pitch is Slant Deck Factor Slant Deck FlashingsConnect ﬂ ue pipe to ﬂ ue collar of furnace. See Figure Installing The Roof JackInstallation of Transit-Mode Venting System Secure ﬂ ashing with appropriate fastenersLine Voltage Wiring Electrical InformationThermostat Wire Gauge Low Voltage WiringWire Heating Heating/Cooling Thermostat Length Unit to T’STATFuel Supply and Piping Important NotesOil Tank and Piping Installation Fuel line Hook-UpFuel Oil Type Leak CheckConversion to Propane LP Gas High Altitude Conversion Honeywell Gas ValveLighting Instructions Standing Pilot Models Standing Pilot ValveReplace the furnace door Operating Instructions for Direct Ignition Models M1MFor oil, shut off all valves Replace the furnace door Burner AdjustmentsPilot Flame Standing Pilot Only Electrode Setting Oil Gun Only Factory Combustion Air SettingsCombustion Air Standing Pilot w/Induced Draft Blowers Operating SequenceStanding Pilot M1M Models with Direct IgnitionFurnace Controls & Functions Standing Pilot Models TroubleshootingDirect Ignition Furnaces Including Gas Gun M1B Series see , Page Cad Cell Resistance when Sensing ﬂame Burner will not start and the LED indicator isOptional Accessories Cad cell is operational, replace the primary controlControl Module Status Indicator M1B Control Module Status Indicators M1M SeriesRed LED Indicator Status Control Module Status Indicator M5S SeriesAdditional Oil Furnace Maintenance MaintenanceInstaller Information Clean or replace the oil ﬁ lter element at the oil tankM1MC Burner Direct Blower TonsM1GB Manifold Pressure Natural Gas 3.5 w.cOutput Mbtuh Equivalent Oriﬁce Sizes for High Altitude InstallationsOriﬁ ce Size Nat. Gas Oriﬁ ce Size LP Oriﬁ ce Size Nat. GasGAS Information Gas Flow Rates Cubic Feet per HourWiring Diagrams ModelsM1GH 077, 090 Models Gas Atmospheric M1GB 056, 070 ModelsWiring Diagram Steady OFF No power Blinking Wiring Diagram Installation / Performance Check List Installation Address