SPECIFICATIONS
General Data Nominal Tonnage 13 Ton 15 Ton 20 Ton
Model Number LDT156H4M LDT180H4M LDT240H4M
High High High
Blower Type
®
®
®
Cooling
Performance
1
1
4500 5500 7000
20.5
1
15.5 15.3 15.3
1
Refrigerant
Charge
Refrigerant Type R-410A R-410A R-410A
Circuit 1 21 lbs. 0 oz. 22 lbs. 12 oz. 22 lbs. 8 oz.
Circuit 2 21 lbs. 0 oz. 21 lbs. 12 oz. 21 lbs. 8 oz.
Heating
Performance
1
12.4 14.8
1
C.O.P. 3.40 3.40 3.40
1
11.1 13.3 17.8
1
C.O.P. 2.10 2.10 2.10
Gas Heating Options Available
Outdoor Coils 55.1 55.1 55.1
2 2 2
20 20 20
Outdoor Coil
Fans
Motor rpm 1075 1075 1075
2150 2150 2150
Number of blades 3 3 3
Total Air volume - cfm
Indoor Coils 21.4 21.4 21.4
Tube diameter - in. 3/8 3/8 3/8
4 4 4
14 14 14
Drain connection - No. and size
Expansion device type
2
Indoor
Blower
and
Drive
Selection
Nominal motor output
Motor - Drive kit number
Kit 1 535-725 rpm
Kit 4 850-1045 rpm
Kit 1 535-725 rpm
Kit 4 850-1045 rpm
Kit 8 1045-1285 rpm
Kit 4 850-1045 rpm
Kit 8 1045-1285 rpm
Kit 10 1045-1285 rpm
Filters
Number and size - in.
Electrical characteristics
1
Cooling Ratings
High Temperature Heating Ratings
Low Temperature Heating Ratings
2
NOTE – Motor service factor limit - 1.0.
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