RT-PRC006-EN
14
Model
Number
Description
DIGIT 1 - Unit Function
Y = DX Cooling, Gas Heat
DIGIT 2 - Efficiency
S = Standard Efficiency
H = High Efficiency
DIGIT 3 - Airflow
C = Convertible
DIGITS 4,5,6 - Nominal Gross Cooling
Capacity (MBh)
036 =
3 Ton
048 =
4 Ton
060 =
5 Ton
072 =
6 Ton
090 =
7½ Ton, Single Compressor
092 =
7½ Ton, Dual Compressors
102 =
8½ Ton
120 =
10 Ton
DIGIT 7 - Major Design Sequence
A = First
DIGIT 8 - Unit Voltage
1 = 208-230/60/1
3 = 208-230/60/3
4 = 460/60/3
W = 575/60/3
K = 380/60/3
DIGIT 9 - Unit Controls
E = Electromechanical
R = ReliaTel™Microprocessor
DIGIT 10 - Heating Capacity
L = Low
M = Medium
H = High
DIGIT 11 - Minor Design Sequence
A = First Sequence
DIGITS 12, 13 - Service Sequence
**= Factory Assigned
Y
S
C 036 A
3
R
L
A
**
C
0
0
0
C
1
0
0
0
1
A
1
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
Example:
Model number YSC036A3RLA**C000C10001A10 describes a unit with the following characteristics: DX Cooling with natural gas heating, 3 ton nominal cooling capacity, 208-230/60/3 power supply,
ReliaTel™ controls, low heat model. 0-100% dry bulb economizer without barometric relief, standard direct drive motor, standard access panels, standard condenser coil with no coil protection,
through the base electric and gas access, non-fused disconnect, no convenience outlet or communications interface, standard refrigeration coil, high pressure control, return air smoke detector, and
clogged filter switch.
DIGIT 14 - Fresh Air Selection
0 = No Fresh Air
A = Manual Outside Air Damper 0-50%
B = Motorized Outside Air Damper 0-50%
C = Economizer, Dry Bulb 0-100%
without Barometric Relief
D = Economizer, Dry Bulb 0-100%
with Barometric Relief
E = Economizer, Reference Enthalpy
0-100% without Barometric Relief
F = Economizer, Reference Enthalpy
0-100% with Barometric Relief
G = Economizer, Comparative Enthalpy
0-100% without Barometric Relief
H = Economizer, Comparative Enthalpy
0-100% with Barometric Relief
DIGIT 15 - Supply Fan/Drive Type/Motor
0 = Standard Drive
1 = Oversized Motor
2 = Optional Belt Drive Motor
DIGIT 16 - Hinged Service AccessFilters
0 = Standard Panels/Standard Filters
A = Hinged Access Panels/Standard Filters
B = Standard Panels/2” Pleated Filters
C = Hinged Access Panels/2” Pleated Filters
DIGIT 17 - Condenser Coil Protection
0 = Standard Coil
1 = Standard Coil with Hail Guard
2 = Black Epoxy Pre-Coated Condenser
Coil
3 = Black Epoxy Pre-Coated Condenser
Coil with Hail Guard
DIGIT 18 - Through the Base Provisions
0 = No Through the Base Provisions
A = Through the Base Electric
B = Through the Base Gas Piping
C = Through the Base Electric and Gas
Piping
DIGIT 19 - Disconnect/Circuit Breaker/
Phase Monitor (3 phase only)
0 = No Disconnect/NoCircuit Breaker/No
Phase Monitor
1 = Unit Mounted Non-Fused Disconnect
2 = Unit Mounted Circuit Breaker
3 = Phase Monitor
4 = Phase Monitor & Non-Fused
Disconnect Switch
5 = Phase Monitor & Circuit Breaker
DIGIT 20 - Convenience Outlet
0 = No Convenience Outlet
A = Unpowered Convenience Outlet
B = Powered Convenience Outlet
(3 phase only)
DIGIT 21 - Communications Options
0 = No Communications Interface
1 = Trane Communications Interface
2 = LonTalk® Communications Interface
3 = Novar 2024 Controls
4 = Novar 3051 Controls
DIGIT 22 - Refrigeration System Option
0 = Standard Refrigeration System
A = Thermal Expansion Valve (TXV)
B = Dehumidification (Hot Gas Reheat Coil)
DIGIT 23 - Refrigeration Controls
0 = No Refrigeration Control
1 = High Pressure Control
2 = Frostat
3 = Crankcase Heater
4 = High Pressure Control and Frostat
5 = High Pressure Control and Crankcase
Heater
6 = Frostat and Crankcase Heater
7 = High Pressure Control, Frostat and
Crankcase Heater
DIGIT 24 - Smoke Detector
0 = No Smoke Detector
A = Return Air Smoke Detector
B = Supply Air Smoke Detector
C = Supply and Return Air Smoke
Detectors
DIGIT 25 - Monitoring Controls
0 = No Monitoring Control
1 = Clogged Filter Switch
2 = Fan Failure Switch
3 = DischargeAir Sensing Tube
4 = Clogged Filter Switch and Fan Fail
Switch
5 = Clogged Filter Switch and Discharge
Air Sensing Tube
6 = Fan Fail Switch and Discharge Air
Sensing Tube
7 = Clogged Filter and Fan Fail Switches
and Discharge Air Sensing Tube
8 = Novar Return Air Sensor
