MG3P Technical Specs

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MG3P

High Efﬁciency / Direct Vent

or Non Direct Vent

Condensing Upﬂow Gas Furnaces

Induced Draft - 92.1% AFUE

Input 54,000 - 108,000 Btuh

The high efciency upow gas furnace is especially

designed for Manufactured Housing. It may be installed

in a utility room, or enclosed in a closet. The extended

ush jacket provides a pleasing “appliance appearance.”

Design certied by CSA for application in Canada and the

United States.

• 100% ﬁred and tested: All units and each component

are tested on the manufacturing line.

• Best packaging in the industry: Unique corner post

design assures product will arrive to the homeowner

dent free.

• 30 second blower delay: At start-up assures a warm

duct temperature at furnace start-up. Adjustable blower

off settings (60, 90, 120 and 180 seconds).

• 30 second post purge: Increases life of heat exchanger.

• Hot surface igniter: Innovative application of an

appliance type igniter with a 20 year history of reliability.

Utilizes proven Smartlite

technology.

• Color coded wire harness: Designed to t the

components, all with quick-connect ttings for ease

of service and replacement.

• Flexible category IV venting system: May be vertically

or horizontally vented using either a one-pipe or two-

pipe system for maximum exibility in installation.

• High Static Blowers: All models equipped with high

static blowers.

• Low Boy Height: Easy to apply in low ceiling

applications, works well with taller high SEER coils,

easier to handle and install.

• Tubular primary heat exchanger: Heavy gauge

aluminized steel heat exchanger and stainless steel

secondary heat exchanger assures a long life.

• 90 second ﬁxed cooling cycle blower-off delay

(TDR): Increases cooling performance when matched

with a Nortek Global HVAC coil.

• High efﬁciency blower kits: Maximize efciencies.

On select units, a SEER improvement of up to 1 point

is realized.

• Multi-speed direct drive blower: Designed to give a

wide range of cooling capacities. Switches on PCB,

provide ultra easy motor speed selection.

• LP convertible: Simple burner orice and regulator

spring change for ease of convertibility.

• Diagnostic lights for easy troubleshooting without

counting ﬂashes: Dedicated light for ame signal

strength and 2 lights in combination to indicate all

other fault codes with easy to recognize states without

counting ashes.

• Incorporates integrated control board: With

connections for electronic air cleaner and humidier.

• Two piece door design: Enhances furnace appearance

and uses captured screws to prevent losing door screws.

• Seated vestibule: Reduces burner and inducer sound

levels.

FEATURES and BENEFITS

TECHNICAL

SPECIFICATIONS

For California installations in SCAQMD only: This furnace

does not meet the SCAQMD Rule 1111 NOx emission limit

(14 ng/J), and thus is subject to a mitigation fee of up to

$450. This furnace is not eligible for the Clean Air Furnace

Rebate Program: www.CleanAirFurnaceRebate.com.

Summary of content (12 pages)

PAGE 1
TECHNICAL SPECIFICATIONS MG3P High Efficiency / Direct Vent or Non Direct Vent Condensing Upflow Gas Furnaces Induced Draft - 92.1% AFUE Input 54,000 - 108,000 Btuh The high efficiency upflow gas furnace is especially designed for Manufactured Housing. It may be installed in a utility room, or enclosed in a closet. The extended flush jacket provides a pleasing “appliance appearance.” Design certified by CSA for application in Canada and the United States.
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GAS FURNACE COMPONENTS COMPONENT NAME ITEM 1. Blower Assembly 2. Blower Door Switch 3. Burner Assembly 4. Control Board 5. Finish Flange 6. Flame Sensor 7. Gas Manifold 8. Gas Valve 9. Igniter 5 6 14 3 9 7 4 8 12 10. Inducer Assembly 11. Limit Switch 12. Main Air Limit Switch 13. Pressure Switch(s) 14. Roll-Out Switch(s) 15.
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MODEL IDENTIFICATION CODE M G 3 P 072 U 1 A A C 1 Manufactured Housing Revision Gas Furnace Cabinet Width M = Manufactured Housing B = 17.5" C = 21.0" D = 24.5" Series Efficiency (AFUE) E = 80.0% H = 83.0% J = 84.5% P = 92.0% R = 95.0% S = 96.
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HEATING AIRFLOW (CFM) & TEMPERATURE RISE (°F) MODEL NAME/ HEATING INPUT RETURN AIR VIA: External Static Pressure (in. w.c.) MOTOR SPEED 0.1 0.2 0.3 0.4 0.
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HEATING AIRFLOW (CFM) & TEMPERATURE RISE (°F) MODEL NAME/ HEATING INPUT RETURN AIR VIA: External Static Pressure (in. w.c.) MOTOR SPEED 0.1 0.2 0.3 0.4 0.
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HEATING AIRFLOW (CFM) & TEMPERATURE RISE (°F) MODEL NAME/ HEATING INPUT RETURN AIR VIA: Bottom MG3P-090U1AAC1 90,000 BTU/Hr Side Side + Bottom or 2 sides MOTOR SPEED 5 - High* 4 - Alternate 3 - Med-High** 2 - Med-Low 1 - Low*** 5 - High* 4 - Alternate 3 - Med-High** 2 - Med-Low 1 - Low*** 5 - High* 4 - Alternate 3 - Med-High** 2 - Med-Low 1 - Low*** External Static Pressure (in. w.c.) 0.1 0.2 0.3 0.4 0.
PAGE 8
HEATING AIRFLOW (CFM) & TEMPERATURE RISE (°F) MODEL NAME/ HEATING INPUT RETURN AIR VIA: Bottom MG3P-108U1AAD1 108,000 BTU/Hr Side Side + Bottom or 2 sides MOTOR SPEED 5 - High* 4 - Med-High** 3 - Med-Low 2 - Alternate 1 - Low*** 5 - High* 4 - Med-High** 3 - Med-Low 2 - Alternate 1 - Low*** 5 - High* 4 - Med-High** 3 - Med-Low 2 - Alternate 1 - Low*** External Static Pressure (in. w.c.) 0.1 0.2 0.3 0.4 0.
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VENTING All models are approved for vertical non direct (1 pipe) and direct (2 pipe) venting applications. See Vent Table below for specified sizes and allowable lengths. VENT TABLE SINGLE PIPE LENGTH (FT.) with 1 long radius elbow* DIRECT VENT, DUEL PIPE LENGTH (ft.) WITH 1 long radius elbow on each pipe* OUTLET INLET/OUTLET MODELS 3” 3” 054 90 90 072 90 90 090 90 90 108 90 90 * NOTE: 1. Subtract 2.5 ft. for each additional 2" elbow and 3.5 ft. for each additional 3" elbow. 2.
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ACCESSORIES MG3P KITS Description SKU "B" Cabinet variable speed, high efficiency, VSHE 904877 "C" Cabinet variable speed, high efficiency, VSHE 904878 "D" Cabinet variable speed, high efficiency, VSHE 904879 2" Concentric vent kit 904952 3" Concentric vent kit 904953 "B", "C", "D" Cabinet downflow sub base kit 904911 2" Side wall vent kit 904617 3" Side wall vent kit 904347 U.S. LP Conversion kit (0 to 10,000 ft.) 904914 Canada LP Conversion kit (0 to 4,500 ft.
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GENERAL TERMS OF LIMITED WARRANTY Nortek Global HVAC, LLC will furnish a replacement for any part of this product which fails in normal use and service within the terms and conditions of the warranty. For complete details of the Limited Warranty, including applicable terms and conditions, see your local installer or contact the Nortek Global HVAC, LLC warranty department for a copy. Before purchasing this appliance, read important energy cost and efficiency information available from your retailer.