Lennox G50UHi Series, Unit Information

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SPECIFICATIONS
Gas
H
ti
ModelNo. G50UHi−36A−070 G50UHi−36B−090 G50UHi−48B−090
Heating
Performance
Input− Btuh (kW) 66,000 (19.3) 88,000 (25.8) 88,000 (25.8)
Performance
Output− Btuh (kW) 54,100 (15.8) 72,100 (21.1) 72,100 (21.1)
1
AFUE 80.0% 80.0% 80.0%
California Seasonal Efficiency 74.8% 75.7% 75.3%
Highstatic (CSA) − in.w.g. (Pa) .50 (124) .50 (124) .50 (124)
Temperature rise range −
_
F (
_
C) 40 − 70 (22 − 39) 40 − 70 (22 − 39) 40 − 70 (22 − 39)
Connections
Flue − in. (mm) round 4 (102) 4 (102) 4 (102)
GaspipesizeIPS− in. (mm) 1/2 (12.7) 1/2 (12.7) 1/2 (12.7)
Indoor
Blower
Wheelnominaldiameter xwidth −in. (mm) 10 x 8 (254 x 203) 10 x 8 (254 x 203) 10 x 10 (254 x 254)
Blower
Motoroutput − hp (W) 1/3 (249) 1/3 (249) 1/2 (373)
Tons(kW) ofadd-oncooling 2 − 3 (7.0 − 10.6) 2 − 3 (7.0 − 10.6) 2 − 4 (7.0 − 14.1)
Shippingweight − 1 package 132 lbs. (60 kg) 146 lbs. (66 kg) 153 lbs (69 kg)
Electricalcharacteristics 120 volts − 60 hertz − 1 phase (less than 12 amps)
OPTIONAL ACCESSORIES − MUST BE ORDERED EXTRA
Filters and
Filter Racks
2
Air Filter and
Rack Kit
No & size of fil
Horizontal (end) 87L95 − (1) 14 x 25 x 1 in.
(356 x 635 x 25 mm)
87L96 − (1) 18 x 25 x 1 in.
(457 x 635 x 25 mm)
87L96 − (1) 18 x 25 x 1 in.
(457 x 635 x 25 mm)
No. & size of fil-
ters
Side Return − in. (mm) Single 44J22/ Ten Pack 66K63
(1) 16 x 25 x 1(406 x 635 x 25)
Single 44J22/ Ten Pack 66K63
(1) 16 x 25 x 1(406 x 635 x 25)
Single 44J22/ Ten Pack 66K63
(1) 16 x 25 x 1(406 x 635 x 25)
EZ Filter
Base
Catalog Number − Ship. Wt. 73P55 − 6 lbs. (3 kg) 73P56 − 7 lbs. (3 kg) 73P56 − 7 lbs. (3 kg)
Base
Dimensions − H x W x D 4 x 14−1/4 x 28−5/8 in.
(102 x 362 x 727 mm) 4 x 17−5/8 x 28−5/8 in.
(102 x 448 x 727 mm) 4 x 17−5/8 x 28−5/8 in.
(102 x 448 x 727 mm)
Number and size of filter (field provided) − in. (mm) 14 x 25 x 1 (356 x 635 x 25) 16 x 25 x 1 (406 x 635 x 25) 16 x 25 x 1 (406 x 635 x 25)
Gas
Accessories
3
High Altitude Orifice Kit − Nat. Gas Only 47M82 47M82 47M82
Accessories
4
High Altitude
Pressure Switch
Kit
4501−7500 ft.
(1372−2286 m)
56L32 49L90 49L90
7501−10,000 ft. (2286−3048 m) 56L32 15M22 15M22
LPG/Propane Kit
0−7500 ft. (0−2286 m) 45L60 45L60 45L60
7501−10,000 ft. (2286−3048 m) 47M81 47M81 47M81
Horizontal Support Frame Kit − Shipping Weight 56J18 − 18 lbs. (8 kg) 56J18 − 18 lbs. (8 kg) 56J18 − 18 lbs. (8 kg)
Relay Kit 56L68 56L68 56L68
SignatureStat
t
− Home Comfort Controller 51M26 51M26 51M26
Vent Adaptor − 6 in. 152 (mm) connection size 18M79 − 2 lbs. (1 kg) 18M79 − 2 lbs. (1 kg) 18M79 − 2 lbs. (1 kg)
NOTE − Filters and provisions for mounting are not furnished and must be field provided.
1
Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.
2
Cleanable polyurethane frame type filter.
3
Required for proper operation at altitudes from 7501 to 10,000 ft. (2286 to 3048 m).
4
Required for proper operation at altitudes over 4500 ft. (1370 m).