6 SS-SVF15A-EN
Product Specifications
NOTICE
Refrigerant in Crankcase!
Do not disconnect power except for safety or service. Follow these procedures prior to startup if
unit has been charged or power has been disconnected for more than 12 hours. If system has
just been charged through liquid line service valve port, an 8 hour compressor oil warming time
is not required.
Set room thermostat to “OFF” position and ensure compressor is not running.
Apply power for at least 8 hours prior to startup by closing disconnect switch. This will energize
compressor oil heater which will evaporate any liquid refrigerant in crankcase. After 8 hours the
thermostat may be set to cooling.
Failure to follow the above could result in equipment damage.
Table 2. General Data — TTA120D
10 Tons
Single Compressor
TTA120D3, D4, DW, DK
Cooling Performance
Gross Cooling Capacity
Matched Air Handler 124,000
Condensing Unit Only 112,000
ARI Net Cooling Capacity 120,000
Efficiency
Matched Air Handler (EER) 11.2
Condensing Unit Only (EER) 12.2
System Integrated Part Load Value (IPLV) N/A
System (IEER) 12.2
Condensing Unit Only (IPLV) N/A
System kW/Condensing Unit kW 10.72/9.18
Compressor
Type Scr oll
No./Tons 1/8.6
System Data
No. Refrigerant Circuits 1
Suction Line (in.) OD 1 3/8
Liquid Line (in.) OD 1/2
Outdoor Coil - Type
Lanced
Tube Size (in.) OD 0.375
Face Area (sq ft) 24.0
Rows/FPI 2/18
Outdoor Fan - Type
Propeller
No. Used/Diameter (in.) 1/28
Drive Type/No. Speeds Direct/1
CFM 9600
No. Motor/HP 1/1
Motor RPM 1100
Refrigerant Charge (Field Supplied)
(lbs of R410A) 22.5
Table 3. Estimated charge levels at ARI rated line lengths (25 feet)
Matched Set
Refrigerant Charge Per Circuit
Circuit 1 Circuit 2
Liquid Line
Diameter
Vapor Line
Diameter
TTA120D w/TWE120D 22.5 NA 0.5 1.375
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