Lodge Manufacturing GMD1-80N manual III. Furnace Specifications Model

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

III. FURNACE SPECIFICATIONS
MODEL	GMD1-80
HEAT INPUT RATE (BTUH)	80,000
HEATING CAPACITY (BTUH)	65,000
BURNER ORIFICE-NAT. GAS (MM)	2.45
BURNER ORIFICE-PROP. GAS (DMS)	#53
GAS SUPPLY PRESSURE (IN.W.G.)
MINIMUM REQUIRED
PROPANE	11
NATURAL	5.5
MAXIMUM ALLOWED
PROPANE	14.0
NATURAL	14.0
GAS MANIFOLD PRESSURE (IN. W.G.)
PROPANE	10 + 0.3
NATURAL	3.5 + 0.3
VENT PIPE SIZE (INCHES)	4
DESIGN TEMPERATURE RISE (°F)	70
SEASONAL EFFICIENCY
(AFUE*, %)	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 – 25-1/2 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 –

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