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DIGIT 1 - Unit Function
W = Packaged Heat Pump
DIGIT 2 - Efficiency
S = Standard 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
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
DIGIT 9 - Unit Controls
R = ReliaTel™Microprocessor
DIGIT 10 - Electric Heater
0 = No Electric Heater
A = 5 kw (1 phase)
B = 6 kw (3 phase)
D = 10 kw (1 phase)
E = 12 kw (3 phase)
F = 14 kw (1 phase)
G = 18 kw (1 and 3 phase)
J = 23 kw (3 phase)
K = 27 kw (3 phase)
N = 36 kw (3 phase)
P = 54 kw (3 phase)
DIGIT 11 - Minor Design Sequence
A = First Sequence
DIGITS 12,13 - Service Sequence
** = Factory Assigned
Example:
Model number WSC036A3RBA##C000A10001A0 describes a unit with the following characteristics: Packaged Heat Pump, 3 ton nominal cooling capacity, 208-230/60/3 power supply,
ReliaTel™ controls, 6 kw electric heater model. 0-100% dry bulb economizer without barometric relief, standard direct drive motor, standard access panels/filters, standard condenser
coil with no coil protection, through the base electric access, non-fused disconnect, no convenience outlet or communications interface, standard refrigeration coil, high pressure
control, return air smoke detector, and clogged filter switch.
PKGP-PRC003-EN
Model
Number
Description
W S
C 036 A
3
R
1
2
3 4,5,6 7
8
9
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 Access/Filters
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 = Epoxy Coated Condenser Coil
3 = Epoxy Coated Condenser Coil
with Hail Guard
DIGIT 18 - Through the Base Provisions
0 = No Through the Base Provisions
A = Through the Base Electric
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
B
A
**
C
0
0
0
10 11 12,13 14 15 16 17
DIGIT 20 - Convenience Outlet
0 = No Convenience Outlet
A = Unpowered Convenience Outlet
B = Powered Convenience Outlet
DIGIT 21 - Communications Options
0 = No Communications Interface
1 = Trane Communications
2 = LonTalk® Communications
DIGIT 22 - Refrigeration System Option
0 = Standard Refrigeration System
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
6 = Frostat and Crankcase Heater
7 = High Pressure Control, Frostat and
DIGIT 24 - Smoke Detector
0 = No Smoke Detector
A = Return Air Smoke Detector
B = Supply Air Smoke Detector
C = Supply and Return Air Smoke
DIGIT 25 - Monitoring Controls
0 = No Monitoring Control
1 = Clogged Filter Switch
2 = Fan Failure Switch
3 = Discharge Air Sensing Tube
4 = Clogged Filter Switch and Fan Fail
5 = Clogged Filter Switch and Discharge
6 = Fan Fail Switch and Discharge Air
7 = Clogged Filter and Fan Fail Switches
A
1
0
0
0
1
18 19 20 21
22 23 24 25
(3 phase only)
Interface
Interface
Heater
Crankcase Heater
Detectors
Switch
Air Sensing Tube
Sensing Tube
and Discharge Air Sensing Tube
A
1
13
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