RT-PRC007-EN
18
Model
Number
Description
Notes:
1. All voltages are across-the-line starting only.
2. Option includes Liquid, Discharge, Suction Valves.
3. Supply air fan drives A thru G are used with 22.9-29.2 ton (82-105 kW) units only and drives H thru N are used with 33.3
and 41.7 ton (120-148 kW) units only.
4. Electric Heat kW ratings are based upon voltage ratings of 380/415 V. Heaters A, B, C, D are used with 22.9-29.2 ton (82-
105 kW) units only and heaters B, C, D, E are used with 33.3-41.7 ton (120-148 kW) units only.
5. The service digit for each model number contains 31 digits; all 31 digits must be referenced.
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 Configuration
H = Horizontal Configuration
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
A = First
B = Second, Etc.
Digit 8 – Power Supply
(See Note 1)
C = 380/50/3
D = 415/50/3
Digit 9 – Heating Capacity
(See Note 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
27 kW
B =
34
40 kW
C =
45
54 kW
D =
56
67 kW
E =
68
81 kW
Digit 10 – Design Sequence
A = First
Digit 11 – Exhaust
0 = None
1 = Barometric Relief
(Available w/Economizer only)
2 = Power Exhaust Fan
(Available w/Economizer only)
Digit 12 – Filter
A = Standard 2” (51 mm) Throwaway Filters
B = High Efficiency 2” (51 mm) Throwaway
Filters
C = High Efficiency 4” (102 mm) Throwaway
Filters
Digit 13 – Supply Fan Motor, HP
1 = 7.5 Hp Std. Eff.
(5.6 kW)
2 = 10 Hp Std. Eff.
(7.5 kW)
3 = 15 Hp Std. Eff.
(11.2 kW)
4 = 20 Hp Std. Eff.
(14.9 kW)
Digit 14 – Supply Air Fan Drive Selections
(See Note 3)
A = 458
H = 417
B = 500
J = 437
C = 541
K = 479
D = 583
L = 521
E = 625
M = 562
F = 658
N = 604
G = 664
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
2 = VAV Supply Air Temperature Control
w/o Inlet Guide Vanes
3 = VAV Supply Air Temperature Control
w/Inlet Guide Vanes
Note: Zone sensors are not included with
option and must be ordered as a separate
accessory.
Digit 17 - 28 — Miscellaneous Options
A = Service Valves (See Note 2)
B = Through the Base Electrical Provision
C = Non-Fused Disconnect Switch with
External Handle
D = Factory-Powered 15A GFI
Convenience Outlet and Non-Fused
Disconnect Switch with
External Handle
E = Field-Powered 15A GFI
Convenience Outlet
F = Trane Communication Interface (TCI)
G = Ventilation Override
H = Hinged Service Access
J = Condenser Coil Guards
K = LCI (LonTalk)
L = Unused digit
M = Stainless Steel Drain Pans
Digit 29 — Condenser Coil Options
0 = Standard Efficiency Condenser
Coil
N = Standard Efficiency Condenser
Coil with Black Epoxy Pre-Coating
3 = High Efficiency Condenser Coil
Q = High Efficiency Condenser Coil with
Black Epoxy Pre-Coating
Digit 30-31 — Miscellaneous Options
P = Discharge Temperature Sensor
R = Clogged Filter Switch
50 Hz
YCD
5
0
0
A
C
H
A
1
A
4
A
D
1
A
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
1,2, 3,
4,
5,
6,
7,
8,
9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
