RTAF-SVX001K-EN 7
Model Number Descriptions
Unit Model Number
Digits 1, 2 — Unit Model
RT = Rotary Chiller
Digit 3 — Unit Type
A= Air-cooled
Digit 4 — Development
Sequence
F = Development Sequence
Digits 5-7 — Nominal Capacity
115 = 115 Nominal Tons
130 = 130 Nominal Tons
150 = 150 Nominal Tons
170 = 170 Nominal Tons
180 = 180 Nominal Tons
200 = 200 Nominal Tons
215 = 215 Nominal Tons
230 = 230 Nominal Tons
250 = 250 Nominal Tons
270 = 270 Nominal Tons
280 = 280 Nominal Tons
310 = 310 Nominal Tons
350 = 350 Nominal Tons
390 = 390 Nominal Tons
410 = 410 Nominal Tons
450 = 450 Nominal Tons
500 = 500 Nominal Tons
520 = 520 Nominal Tons
Digit 8 — Voltage Selection
C = 380/60/3
D = 400/50/3
E = 460/60/3
F = 575/60/3
Digit 9 — Manufacturing
Location
U = Trane Commercial Systems,
Pueblo, CO USA
Digits 10, 11 — Design
Sequence
** = Factory assigned
Digit 12 — Unit Efficiency
H = High Efficiency
N = Standard Efficiency
Digit 13 — Unit Sound Package
X = Standard Noise
Digit 14 — Agency Listing
U = UL/cUL Listing
Digit 15 — Pressure Vessel Code
A = ASME Pressure Vessel Code
C = CRN or Canadian Equivalent
Pressure Vessel Code
D = Australia Pressure Vessel Code
Digit 16 — Factory Charge
1 = Refrigerant Charge R-513A
2 = Refrigerant Charge R-134a
3= Nitrogen Charge
(R-513A Field Supplied)
4= Nitrogen Charge
(R-134a Field Supplied)
Digit 17 — Evaporator
Application
N = Standard Cooling
(above 40°F/5.5°C)
P = Low Temp Process Cooling
(below 40°F/5.5°C)
C= Ice Making
Digit 18 — Evaporator
Configuration
1 = 1-pass Evaporator
2 = 2-pass Evaporator
R = 1-pass Evaporator
with Turbulators
T = 2-pass Evaporator
with Turbulators
Digit 19 — Evaporator Fluid
Type
1 = Water
2 = Calcium Chloride
3 = Ethylene Glycol
4 = Propylene Glycol
5= Methanol
Digit 20 — Water Connection
X = Grooved Pipe Connection
W = Grooved Pipe + Flange
Digit 21 — Flow Switch
1 = Factory Installed - Other Fluid
(15 cm/s)
2 = Factory Installed - Water
(35 cm/s)
3 = Factory Installed - Water
(45 cm/s)
Digit 22 — Insulation
N = Factory Insulation
All Cold Parts 0.75”
H = Evaporator-only Insulation for
High Humidity/Low Evap Temp
Note: Digit 22 selection H is special
order only.
Digit 23 — Unit Application
X = Standard Ambient
(14 to 115°F/-10 to 46°C)
L = Low Ambient
(-4 to 115°F/-20 to 46°C
H = High Ambient
(14 to 130°F/-10 to 54.4°C)
W = Wide Ambient
(-4 to 130°F/-20 to 54.4°C)
Digit 24 — Condenser Fin
Options
N = Aluminum Microchannel
C = CompleteCoat™ Microchannel
Digit 25 — Fan Type
C = Variable Speed Fans
Digit 26 — Auxiliary Items
C = Oil Cooler
Digit 27 — Compressor Starter
V = Adaptive Frequency™ Drive
Digit 28 — Incoming Power Line
Connection
1 = Single Point Unit Power
Connection
2 = Dual Point Unit Power
Connection
Digit 29 — Power Line
Connection Type
Units with model number digit 28 = 2 OR
Units with 2 compressors and model
number digit 28 = 1:
X = Terminal Block
C = Circuit Breaker
H = Circuit Breaker with High Fault
Rated Control Panel
Unit with 3 or 4 compressors and model
number digit 28 = 1:
X = Terminal Block with Individual
System Circuit Breaker
C = Circuit Breaker with Individual
System Circuit Breaker
H = High Fault Circuit Breaker with
Individual System Circuit
Breaker in High Fault Rated
Control Panel
Digit 30 — Short Circuit Current
Rating
A = Default Short Circuit Rating
B = High Fault Short Circuit Rating
Digit 31 — Electrical
Accessories
X = No Convenience Outlet
P = 15A 115V Convenience Outlet
Digit 32 — Remote
Communication Option
X= None
B= BACnet
®
Interface
M = Modbus™ Interface
L = LonTalk
®
Interface
Digit 33 — Hard Wire
Communication
X= None
A = Hard Wired Bundle - All
B = Remote Leaving Water Temp
Setpoint
C = Remote Leaving Temp and
Demand Limit Setpoints
D = Programmable Relay
E = Programmable Relay and
Leaving Water and Demand
Limit Setpoint
F = Percent Capacity
G = Percent Capacity and Leaving
Water and Demand Limit
Setpoint
H = Percent Capacity and
Programmable Relay
Digit 34 — Energy Meter
X= None
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