17
RT-PRC007-EN
Model
Number
Description
KW
Tons
Voltage
36
54
72
90
108
27½ to 35
240
x
x
480
x
x
x
x
600
x
x
x
40 and 50
240
x
480
x
x
x
x
600
x
x
x
x
Digit 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
Digit 4, 5, 6 — Nominal Cooling Capacity
330 = 27½ Tons
360 = 30 Tons
420 = 35 Tons
480 = 40 Tons
600 = 50 Tons
Digit 7 — Major Development Sequence
A = First
Digit 8 — Power Supply
(See Note 1)
E = 208/60/3
F = 230/60/3
4 = 460/60/3
5 = 575/60/3
Digit 9 — Heating Capacity
(See Note 4)
0 = No Heat (TC only)
L = Low Heat (YC only)
H = High Heat (YC only)
J = Low Heat-Stainless Steel Gas Heat
Exchangers (YC only)
K = High Heat-Stainless Steel Gas Heat
Exchanger (YC only)
Note: When second digit is “E” for Electric
Heat, the following values apply in the ninth
digit.
A = 36 KW
B = 54 KW
C = 72 KW
D = 90 KW
E = 108 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” Throwaway Filters
B = High Efficiency 2” Throwaway Filters
C = High Efficiency 4” Throwaway Filters
Digit 13 — Supply Fan Motor, HP
1 = 7.5 Hp Std. Eff.
2 = 10 Hp Std. Eff.
3 = 15 Hp Std. Eff.
4 = 20 Hp Std. Eff.
5 = 7.5 Hp Hi. Eff.
6 = 10 Hp Hi. Eff.
7 = 15 Hp Hi. Eff.
8 = 20 Hp Hi. Eff.
Digit 14 — Supply Air Fan Drive
Selections (See Note 3)
A = 550 RPM
H = 500 RPM
B = 600 RPM
J = 525 RPM
C = 650 RPM
K = 575 RPM
D = 700 RPM
L = 625 RPM
E = 750 RPM
M = 675 RPM
F = 790 RPM
N = 725 RPM
G = 800 RPM
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
5. The service digit for each model number contains 31 digits; all 31 digits must be referenced.
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 27½-35 ton units only and drives H thru N are used with 40 & 50
ton units only.
4. Electric Heat KW ratings are based upon voltage ratings of 240/480/600 V. Voltage offerings are as follows (see
table PD-9 for additional information):
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
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
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
60 Hz
YCD
4
8
0
A 4
H A 1
A 4
A D 1
A B C D E
F
G H J
K L
M N P
R
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
