RT-SVX34F-EN 9
Model Number Description
50 Hz Description
Digits 1, 2 – Unit Function
TC = DX Cooling, No Heat
TE = DX Cooling, Electric Heat
YC = DX Cooling, Natural Gas Heat
Digit 3 – Unit Airflow Design
D = Downflow Supply and Return
H = Horizontal Supply and Return
F = Horizontal Supply and Upflow
Return
R = Downflow Supply and Horizontal
Return
Digits 4, 5, 6 – Nominal Cooling
Capacity
275 = 22.9 Tons (82 kW)
305 = 25.4 Tons (89 kW)
350 = 29.2 Tons (105 kW)
400 = 33.3 Tons (120 kW)
500 = 41.7 Tons (148 kW)
Digit 7 – Major Development
Sequence
B = R-410A Refrigerant
Digit 8 – Power Supply
1
C = 380/50/3
D = 415/50/3
Digit 9 – Heating Capacity
4
0 = No Heat (TC only)
L = Low Heat (YC only)
H = High Heat (YC only)
Note: When second digit is “E” for
Electric Heat, the following values
apply in the ninth digit.
380V / 415V
A = 23 kW / 27 kW
B = 34 kW / 40 kW
C = 45 kW / 54 kW
D = 56 kW / 67 kW
E = 68 kW / 81 kW
Digit 10 – Design Sequence
A= First
Digit 11 – Exhaust
6
0= None
1 = Barometric Relief (Available
w/Economizer only)
2 = 100% Power Exhaust Fan
(Available w/ Economizer only)
3 = 50% Power Exhaust Fan
(Available w/ Economizer only)
4 = 100% Fresh Air Tracking Power
Exhaust Fan (Available
w/Economizer only)
5 = 50% Fresh Air Tracking Power
Exhaust Fan (Available
w/ Economizer only)
6 = 100% Power Exhaust w/
Statitrac™
YCD 275 B C L A 0 A1
123 456 7 8 9 10 11 1213
Digit 12 – Filter
A = 2” (51 MM) MERV 4, Std Eff,
Throwaway Filters
B = 2” (51 MM) MERV 8, High Eff,
Throwaway Filters
C = 4” (102 MM) MERV 8, High Eff,
Throwaway Filters
D = 4” (102 MM) MERV 14, High Eff,
Throwaway Filters
Digit 13 – Supply Fan Motor, HP
1 = 7.5 Hp (5.6 kW)
2 = 10 Hp (7.5 kW)
3=15 Hp (10 kW)
4 = 20 Hp (15 kW)
Digit 14 – Supply Air Fan Drive
Selections
3
Digit 15 – Fresh Air Selection
A= No Fresh Air
B = 0-25% Manual Damper
C = 0-100% Economizer, Dry Bulb
Control
D = 0-100% Economizer,
Reference Enthalpy Control
E = 0-100% Economizer,
Differential Enthalpy Control
F = “C” Option and Low Leak
Fresh Air Damper
G = “D” Option and Low Leak
Fresh Air Damper
H = “E” Option and Low Leak
Fresh Air Damper
Digit 16 – System Control
1 = Constant Volume w/ Zone
Temperature Control
2 = Constant Volume w/ Discharge Air
Control
4 = VAV Supply Air Temperature
Control w/Variable Frequency
Drive w/o Bypass
5 = VAV Supply Air Temperature
Control w/Variable Frequency
Drive and Bypass
6 = Single Zone VAV w/VFD w/o
Bypass
7 = Single Zone VAV w/VFD w/
Bypass
A = VAV Supply Air Temperature
Control w/VFD w/o Bypass w/
Motor Shaft Grounding Ring
B = VAV Supply Air Temperature
Control w/VFD w/Bypass w/Motor
Shaft Grounding Ring
A = 458 RPM H = 417 RPM
B = 500 RPM J = 437 RPM
C = 541 RPM K = 479 RPM
D = 583 RPM L = 521 RPM
E = 625 RPM M = 562 RPM
F = 658 RPM N = 604 RPM
G = 664 RPM
C = Single Zone VAV w/VFD w/o
Bypass w/ Motor Shaft Grounding
Ring
D = Single Zone VAV w/VFD w/
Bypass w/Motor Shaft Grounding
Ring
Note: Zone sensors are not included
with option and must be ordered
as a separate accessory.
Miscellaneous Options
Digit 17
A = Service Valves
2
Digit 18
B = Through the Base Electrical
Provision
Digit 19
C = Non-Fused Disconnect Switch
with External Handle
Digit 20
D= Factory-Powered 15A GFI
Convenience Outlet and
Non-Fused Disconnect Switch
with External Handle
Digit 21
E = Field-Powered 15A GFI
Convenience Outlet
Digit 22
F = Trane Communication
Interface (TCI)
Digit 23
G = Ventilation Override
Digit 24
H = Hinged Service Access
Digit 25
H = Tool-less Condenser Hail Guards
J = Condenser Coil Guards
Digit 26
K = LCI (LonTalk)
B = BACnet Communications
Interface (BCI)
Digit 27
* = Unused Digit
Digit 28
M = Stainless Steel Drain Pans
Digit 29 — Condenser Coil
Options
0 = Standard Efficiency
Condenser Coil
J = Corrosion Protected Condenser
Coil
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