Model Number Descriptions - 3 to 5 Tons (T/Y - 17 Plus)
10 RT-SVX21AC-EN
Model Number Descriptions - 3 to 5 Tons (T/Y - 17 Plus)
Digit 1 — Unit Type
T = DX Cooling
Y = DX Cooling, Gas Heat
Digit 2 — Efficiency
H = High Efficiency
Digit 3 — Airflow
C = Convertible
Digit 4,5,6 — Nominal Gross
Cooling Capacity (MBh)
037 = 3 Ton
047 = 4 Ton
067 = 5 Ton
Digit 7 — Major Design Sequence
E = R-410A Refrigerant
Digit 8 — Voltage Selection
3 = 208-230/60/3
4 = 460/60/3
W = 575/60/3
Digit 9 — Unit Controls
R = ReliaTel™ Microprocessor
Digit 10 — Heating Capacity
Note: Applicable to Digit 1, T models
only
0 = No Electric Heat
B = 6 kW (3 phase)
E = 12 kW (3 phase)
G = 18 kW (1 and 3 phase)
J = 23 kW (3 phase)
Note: App
licable to Digit 1, Y
models
only
L = Low Heat
M = Medium Heat
H = High Heat
X = Low Heat, Stainless Steel Heat
Exchanger
Y = Medium Heat, Stainless Steel Heat
Exchanger
Z = High Heat, Stainless Steel Heat
Exchanger
Digit 11 — Minor Design Sequence
A = First Sequence
14
Digit 12,13 — Service Sequence
** = Factory Assigned
Digit 14 — Fresh Air Selection
0 = No Fresh Air
A = Manual Outside Air Damper 0-
50%
1
B = Motorized Outside Air Damper
0-50%
C = Economizer, Dry Bulb 0-100%
without Barometric Relief
4
D = Economizer, Dry Bulb 0-100%
with Barometric Relief
4
E = Economizer, Reference Enthalpy
0-100% without Barometric Relief
4
F = Economizer, Reference Enthalpy
0-100% with Barometric Relief
4
G = Economizer, Comparative Enthalpy
0-100% without Barometric Relief
4
H = Economizer, Comparative Enthalpy
0-100% with Barometric Relief
4
K = Low Leak Economizer with
Barometric Relief
M = Low Leak Economizer with
Reference Enthalpy with Barometric
Relief
P = Low Leak Economizer with
Comparative Enthalpy with
Barometric Relief
Digit 15 — Supply Fan/Drive Type/
Motor
0 = Standard Drive
3
6 = Single Zone VAV
18
E = VAV Supply Air Temperature
Control Standard Moto
r
18
Digit 16 — Hinged Service Access/
Filters
0 = Standard Panels/Standard Filters
A = Hinged Access Panels/Standard
Filters
B = Standard Panels/2” MERV 8 Filters
C = Hinged Access Panels/2” MERV 8
Filters
D = Standard Panels/2” MERV 13
Filters
E = Hinged Access Panels/2” MERV 1
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
4 = CompleteCoat™ Condenser Coil
5 = CompleteCoat™ Condenser Coil
with Hail Guard
Digit 18 — Through the Base
Provisions
0 = No Through-the-Base Provisions
A = Through-the-Base Electric
5
B = Through-the-Base Gas Piping
11
C = Through-the-Base Electric and Gas
Piping
11
Digit 19 — Disconnect/Circuit
Breaker (three-phase only)
0 = No Disconnect/No Circuit Breaker
1 = Unit Mounted Non-Fused
Disconnect
5
2 = Unit Mounted Circuit Breaker
5
Digit 20 — Convenience Outlet
0 = No Convenience Outlet
A = Unpowered Convenience Outlet
B = Powered Convenience Outlet
(three-phase only)
6
Digit 21 — Communications
Options
0 = No Communications Interface
2 = LonTalk
®
Communications
Interface
6 = BACnet
®
Communications
Interface
7 = Trane
®
Air-Fi
®
Communications
Interface
19
Digit 22 — Refrigeration System
Option
0 = Standard Refrigeration System
7
B = Dehumidification Option
15
Digit 23 — Refrigeration Controls
Note: Applicable to Digit 7 = E
0 = No Refrigeration Control
2
1 = Frostat™
Digit 24 — Smoke Detector
12
0 = No Smoke Detector
A = Return Air Smoke Detector
8,9
B = Supply Air Smoke Detector
C = Supply and Return Air Smoke
Detectors
8,9
D = Plenum Smoke Detector
Digit 25 — System Monitoring
Controls
0 = No Monitoring Control
10
1 = Clogged Filter Switch
10
2 = Fan Failure Switch
10
3 = Discharge Air Sensing Tube
10
4 = Clogged Filter Switch and Fan
Failure Switch
10
5 = Clogged Filter Switch and
Discharge Air Sensing Tube
10
6 = Fan Failure Switch and Discharge
Air Sensing Tube
10
7 = Clogged Filter Switch, Fan Failure
Switch and Discharge Air Sensing
Tube
10
A = Condensate Drain Pan Overflow
Switch
B = Clogged Filter Switch
10
and
Condensate Drain Pan Overflow
Switch
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