Unit Model Number Description - Trane CITY RTSF Series Manual

Digit 1, 2, 3, 4 – Unit Model
RTSF
Digit 5, 6, 7 – Unit size
50 = 50 Nominal tons
60 = 60 Nominal tons
70 = 70 Nominal tons
90 = 90 Nominal tons
100 = 100 Nominal tons
110 = 110 Nominal tons
Digit 8 – Unit Power supply
D = 400 V – 50 Hz – 3Ph
Digit 9 – Factory
E = Europe
F = ICS
Digit 10 & 11 – Design sequence
(Factory assigned)
Digit 12 & 13 – Not used
Digit 14 – Agency listing
C = CE marking
Digit 15 – Pressure Vessel Code
2 = PED (Pressure Equipment Directive)
Digit 16 – Unit Application
X = Cooling Mode - Below 50°C Leaving Condenser Temp
H = Cooling Mode - Above 50°C Leaving Condenser Temp
L = Heat pump - Below 50°C Leaving Condenser Temp
M = Heat pump - Above 50°C Leaving Condenser Temp
Digit 17 – Refrigerant
Z = R1234ze unit with Factory charge (with oil)
Y = R1234ze with pre-charge (with oil)
L = R1234ze unit with Nitrogen (no oil)
Digit 18 – Sound Attenuation Package
X = Without
A = Aesthetic option
L = Sound attenuation package
Digit 19 – Relief Valve Option
L = Single Relief Valve Condenser
2 = Single Relief Valve Condenser & Evaporator
D = Dual relief valve with 3 way valve condenser
4 = Dual relief valve with 3 way valve condenser & Evaporator
Digit 20 – Compressor Type
L = CHHP Low VI
H = CHHP or CHHW High VI
Digit 21 – Evaporator Size
A = Evaporator A
B = Evaporator B
C = Evaporator C
D = Evaporator D
Digit 22 & 23 & 24 – Not Used
Digit 25 – Evaporator Water side Pressure
X = 10 Bar Evaporator Water Pressure
Digit 26 – Evaporator application
N = Comfort Cooling (above 5°C)
P = Process Cooling below 5°C
C = Ice Making (from -7°C to 20°C)
RLC-SVX023B-GB

Unit model number description

Digit 27 – Not Used
Digit 28 – Evaporator pump
X = Without
Digit 29 – Condenser Size
A = Condenser A
B = Condenser B
C = Condenser C
D = Condenser D
Digit 30 & 31 – Not Used
Digit 32 – Condenser Pump
X = Without
Digit 33 – Condenser Water side pressure
X = 10 Bar Condenser Water Pressure
Digit 34 – Condenser Thermal Insulation
X = Without
H = With Condenser Insulation
Digit 35 – Oil cooler
X = Without
C = With
Digit 36 – Evaporator Pump Smart Flow control
X = Without
E = VPF Constant Delta T Evaporator
Digit 37 – Power Protection
F = Disconnect switch with fuses
B = Disconnect switch with circuit breakers
Digit 38 – Not Used
Digit 39 – Relay Card
1 = With additional relay card
Digit 40 – Smart com protocol
X = Without
B = BACnet MSTP interface
C = BACnet IP interface
M = Modbus RTU interface
L = LonTalk interface
Digit 41 – Communication customer input/output
X = Without
A = External Set points & Capacity outputs – Voltage Signal
B = External Set points & Capacity outputs – Current Signal
Digit 42 – Outdoor Air Temperature Sensor
X = Without
A = Outdoor Air Temperature Sensor – CWR/Low Ambient
Digit 43 – Not Used
Digit 44 – Master Slave Set
X = Without
M = With
5