Packaged Rooftop Air Conditioners -RT-DS-9 (Trane Company (The))

General Data

Table 12-1 — General Data — 50 Ton

	50 Ton
Cooling Performance 1
Nominal Gross Capacity	587,000
Natural Gas Heat 2	Low	High
Heating Input (BTUH)	400,000	800,000
First Stage	300,000	600,000
Heating Output (BTUH)	324,000	648,000
First Stage	243,000	486,000
Steady State Efficiency (%)3	81.00	81.00
No. Burners	1	2
No. Stages	2	2
Gas Connection Pipe Size (in.)	3 /4	1
Electric Heat
KW Range5	41-108
Capacity Steps	2
Compressor
Number/Type	3/Scroll
Size (Nominal)	15
Unit Capacity Steps (%)	100/67/33
Motor RPM	3450
Outdoor Coil — Type	Lanced
Tube Size (in.) OD	3 /8
Face Area (sq ft)	69.79
Rows/Fins Per Inch	2/16
Indoor Coil — Type	Hi-Performance
Tube Size (in.) OD	1 /2
Face Area	37.50
Rows/Fins Per Inch	3/13
Refrigerant Control	TXV
No. of Circuits	2
Drain Connection No./Size (in)	1/1.25
Type	PVC
Outdoor Fan Type	Propeller
No. Used/Diameter	4/28.00
Drive Type/No. Speeds	Direct/1
CFM	31,700
No. Motors/HP/RPM	4/1.10/1125
Indoor Fan Type	FC
No. Used	1
Diameter/Width (in)	25.00/25.00
Drive Type/No. Speeds	Belt/1
No. Motors/HP	1/10.00/15.00/20.00
Motor RPM	1760
Motor Frame Size	215/256T
Exhaust Fan Type	Propeller
No. Used/Diameter (in)	2/26.00
Drive Type/No. Speeds/Motors	Direct/2/2
Motor HP/RPM	1.0/1075
Motor Frame Size	48
Filters — Type Furnished	Throwaway
No./ Recommended Size (in)6	17/16 x 20 x 2
Refrigerant Charge (Lbs of R-22) 4	23.90/49.50 per circuit
Minimum Outside Air Temperature For Mechanical Cooling	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. Tested in accordance with ARI Standard 360.

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.

Packaged Rooftop Air Conditioners - RT-DS-9 - Page 911