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15RT-PRC007-EN
General Data
27 1/2 Ton 30 Ton
Cooling Performance
1
Nominal Gross Capacity 329,000 363,000
Natural Gas Heat
2
Low High Low High
Heating Input (BTUH) 350,000 600,000 350,000 600,000
First Stage 250,000 425,000 250,000 425,000
Heating Output (BTUH) 283,500 486,000 283,500 486,000
First Stage 202,500 344,500 202,500 344,500
Steady State Efficiency (%)
3
81.00 81.00 81.00 81.00
No. Burners 1 2 1 2
No. Stages 2 2 2 2
Gas Connection Pipe Size (in.)
3
/
4
1
3
/
4
1
Electric Heat
KW Range
5
27-90 27-90
Capacity Steps: 2 2
Compressor
Number/Type 2/Scroll 2/Scroll
Size (Nominal) 10/15 15
Unit Capacity Steps (%) 100/40 100/50
Motor RPM 3450 3450
Outdoor Coil — Type Lanced Lanced
Tube Size (in.) OD
3
/
8
3
/
8
Face Area (sq. ft.) 51.33 51.33
Rows/Fins Per Inch 2/16 2/16
Indoor Coil — Type Hi-Performance Hi-Performance
Tube Size (in.) OD
1
/
2
1
/
2
Face Area (sq. ft.) 31.67 31.67
Rows/Fins Per Foot 2/180 2/180
Refrigerant Control TXV TXV
No. of Circuits 1 1
Drain Connection No./Size (in) 1/1.25 1/1.25
Type PVC PVC
Outdoor Fan Type Propeller Propeller
No. Used/Diameter 3/28.00 3/28.00
Drive Type/No. Speeds Direct/1 Direct/1
CFM 24,800 24,800
No. Motors/HP/RPM 3/1.10/1125 3/1.10/1125
Indoor Fan Type FC FC
No. Used 1 1
Diameter/Width (in) 22.38/22.00 22.38/22.00
Drive Type/No. Speeds Belt/1 Belt/1
No. Motors/HP 1/7.50/10.00 1/7.50/10.00
Motor RPM 1760 1760
Motor Frame Size 213/215T 213/215T
Exhaust Fan Type Propeller Propeller
No. Used/Diameter (in) 2/26.00 2/26.00
Drive Type/No. Speeds/Motors Direct/2/2 Direct/2/2
Motor HP/RPM 1.0/1075 1.0/1075
Motor Frame Size 48 48
Filters — Type Furnished Throwaway Throwaway
No./ Recommended Size (in)
6
16/16 x 20 x 2 16/16 x 20 x 2
Refrigerant Charge (Lbs of R-22)
4
46.00 46.60
Minimum Outside Air Temperature
For Mechanical Cooling 0 F 0 F
Notes:
1. Cooling Performance is rated at 95 F ambient, 80 F entering dry bulb, 67 F entering wet bulb. Gross capacity does not include the effect of fan motor heat. Rated and tested in
accordance with the Unitary Large Equipment certification program, which is based on ARI Standard 340/360-93.
2. Heating Performance limit settings and rating data were established and approved under laboratory test conditions using American National Standards Institute standards.
Ratings shown are for elevations up to 4,500 feet.
3. Steady State Efficiency is rated in accordance with DOE test procedures.
4. Refrigerant charge is an approximate value. For a more precise value, see unit nameplate and service instructions.
5. Maximum KW @ 208V = 41, @ 240V = 54.
6. Filter dimensions listed are nominal. For actual filter and rack sizes see the Unit Installation, Operation, Maintenance Guide.
Table GD-1 — General Data — 27 1/2 - 30 Tons