13
Table 13-1 General Data
17½ Ton Downflow and Horizontal Units 20 Ton Downflow and Horizontal Units
YC
✲210C3,C4,CWL YC✲210C3,C4,CWH YC✲240B3,B4,BWL YC✲240B3,B4,BWH
Cooling Performance
1
Gross Cooling Capacity 208,000 246,000
EER
2
8.3 8.7
Nominal CFM / ARI Rated CFM 7,000/5,800 8,000/7,000
ARI Net Cooling Capacity 192,000 232,000
Integrated Part Load Value
3
8.5 9.00
System Power (KW) 23.13 26.67
Heating Performance
4
Heating Models Low High Low High
Heating Input (Btuh) 250,000 350,000 250,000 400,000
1st Stage 175,000 250,000 175,000 300,000
Heating Output (Btuh) 203,000 284,000 203,000 324,000
1st Stage 142,000 203,000 142,000 243,000
AFUE (%)
5
Downflow/Horizontal 80.7 / 79.9 80.1 / 79.1 80.2 / 81.0 79.8 / 79.7
Steady State Efficiency (%) 81.0 81.0 81.0 81.0
No. Burners 1 1
No. Stages 2 2
Gas Connection Pipe Size (in.) 1/2 3/4 1/2 3/4
Compressor
No./Type 2/Trane-H 2/Trane 3-D®
Scroll
Sound Rating (BELS)
6
9.4 9.4
Outdoor Coil - Type Hi-Performance Hi-Performance
Tube Size (in.) OD .375 .375
Face Area (sq ft) 28.21 32.57
Rows/FPI 2/16 2/16
Indoor Coil - Type Hi-Performance Hi-Performance
Tube Size (in.) .375 .375
Face Area (sq ft) 17.50 26.00
Rows/FPI 3/15 2/15
Refrigerant Control Short Orifice Short Orifice
Drain Connection No./Size (in.) 1/1.00 NPT 1/1.00 NPT
Outdoor Fan - Type Propeller Propeller
No. Used/Diameter (in.) 2/26 2/26
Drive Type/No. Speeds Direct/1 Direct/1
CFM 14,100 14,800
No. Motors/HP 2/1.0 2/1.0
Motor RPM 1,125 1,125
Indoor Fan - Type FC Centrifugal FC Centrifugal
No. Used/Diameter (in.) 1/15 X 15 1/18 X 18
Drive Type/No. Speeds Belt/1 Belt/1
No. Motors 1 1
Motor HP (Standard/Oversized) 5.0/7.5 5.0/7.5
Motor RPM (Standard) 3450/3470 3450/3470
Motor Frame Size (Standard/Oversized) 145T/184T 145T/184T
Filters - Type/Furnished? Throwaway/Yes Throwaway/Yes
(No.) Size Recommended (2) 20 X 20 X 2 (4) 20 X 20 X 2
8
(4) 20 X 25 X 2 (4) 20 X 25 X 2
Refrigerant Charge (Lbs of R-22)
7
11.3/Circuit
9
13.8/Circuit
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. ARI capacity is net and
includes the effect of fan motor heat. Units are suitable for operation to ±20% of nominal cfm. Rated in accordance with ARI Standard 210/240 or 360.
2. EER is rated at ARI conditions and in accordance with ARI Standard 210/240 or 360.
3. Integrated Part Load Value is based on ARI Standard 210/240 or 360. Units are rated at 80° F ambient, 80° F entering dry bulb, and 67° F entering wet bulb at ARI rated cfm.
4. 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 2000 feet. For elevations above 2000 feet, ratings should be reduced at the rate of 4% for each 1000 feet above sea level.
5. AFUE is rated in accordance with DOE test procedures.
6. Sound Rating is rated in accordance with ARI Standard 270 or 370.
7. Refrigerant charge is an approximate value. For a more precise value, see unit nameplate and service instructions.
8. Horizontal models have 8 - 20 x 25 x 2 filters.
9. Refrigerant charge for horizontal units is 11.6 per circuit.
General 17½, 20 Ton
Data
Standard Efficiency
✲Indicates Downflow and Horizontal.
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