Dimensions Guide

80% GAS FURNACE MGM80S*A & MGD80S*A
Page 2
MODEL NUMBER GUIDE
Note: For vent length and clearances to combustibles, please reference installation instructions.
REV CODE
A = 2ND GENERATION
CFM
CABINET SIZE
A = 14.5
2 = 800, 3 = 1200, 4 = 1600, 5 = 2000
B = 17.5
C = 21
D = 24.5
BTU
COMPANY
M = MRCOOL
GAS
G = GAS FURNACE
AIRFLOW
M = MULTI-POSITION
D = DOWNFLOW
AFUE
ANNUAL FUEL UTILIZATION EFFICIENCY
STAGE
S = SINGLE STAGE / MULTI SPEED
MOTOR
C = PSC
E = ECM
M G M 80 S C 45 A 3 A
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PHYSICAL AND ELECTRICAL DATA
Model
Input
(Btuh)
Output
(Btuh)
AFUE
(ICS)
Nom.
Cooling
Capacity
Gas
Inlet
(in.)
Volts/
Hz/
Phase
Max.
Time
Delay
Breaker
or Fuse
Nominal
F.L.A.
Trans.
(V.A.)
Approx.
Shipping
Weight
(lbs.)
UPFLOW / HORIZONTAL
MGM80SE045A3A 44,000 35,200 80.0% 1-1/2 — 3 1/2 120-60-1 15 6.8 40 111
MGM80SE070B3A 66,000 52,800 80.0% 1-1/2 — 3 1/2 120-60-1 15 6.8 40 127
MGM80SE090B4A 88,000 70,400 80.0% 2-1/2 — 4 1/2 120-60-1 15 8.4 40 142
MGM80SE090C5A 88,000 70,400 80.0% 3 — 5 1/2 120-60-1 15 10.9 40 152
MGM80SE110C5A 110,000 88,000 80.0% 4 — 5 1/2 120-60-1 15 10.9 40 160
MGM80SE135D5A 132,000 105,600 80.0% 4 — 5 1/2 120-60-1 15 10.9 40 178
DOWNFLOW
MGD80SE045A3A 44,000 35,200 80.0% 2 — 3 1/2 120-60-1 15 6.8 40 113
MGD80SE070B3A 66,000 52,800 80.0% 2 — 3 1/2 120-60-1 15 6.8 40 128
MGD80SE090B4A 88,000 70,400 80.0% 3 — 4 1/2 120-60-1 15 8.4 40 140
MGD80SE110C5A 110,000 88,000 80.0% 4 — 5 1/2 120-60-1 15 10.9 40 160