4
RT-SVX38B-EN
Model Number Description
Digit 1 - Unit Type
Y
DX Cooling, Gas Heat
Digit 2 - Efficiency
S
Standard Efficiency
H
High Efficiency
Digit 3 - Airflow
C
Convertible
Digit 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 Compressor
102
8½ Ton
120
10 Ton
Digit 7 - Major Design Sequence
E
R-410A Refrigerant
F
Microchannel Type Condenser
Coils
24
Digit 8 - Voltage Selection
1
208/230/60/1
3
208-230/60/3
4
460/60/3
W
575/60/3
Digit 9 - Unit Controls
E
Electromechanical
R
ReliaTel™ Microprocessor
Digit 10 - Heating Capacity
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
21
B
Second Sequence
20
Digit 12,13 - Service Sequence
** Factory Assigned
Digit 14 - Fresh Air Selection
0
No Fresh Air
A
Manual Outside Air Damper 0-50%
4
B
Motorized Outside Air Damper
0-50%
28
C
Economizer, Dry Bulb 0-100%
without Barometric Relief
7
D
Economizer, Dry Bulb 0-100%
with Barometric Relief
7
E
Economizer, Reference Enthalpy
0-100% without Barometric Relief
3
,
7
F
Economizer, Reference Enthalpy
0-100% with Barometric Relief
3
,
7
G
Economizer, Comparative
Enthalpy 0-100% without
Barometric Relief
3
,
7
H
Economizer, Comparative
Enthalpy 0-100% with Barometric
Relief
3
,
7
Digit 15 - Supply Fan/Drive Type/
Motor
0
Standard Drive
6
1
Oversized Motor
2
Optional Belt Drive Motor
18
6
Single Zone VAV
26
7
Multi-Speed Indoor Fan
27
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 13
Filters
Digit 17 - Condenser Coil
Protection
0
Standard Coil
1
Standard Coil with Hail Guard
2
Black Epoxy Pre-Coated Condenser
Coil
25
3
Black Epoxy Pre-Coated
Condenser Coil with Hail Guard
25
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
8
B
Through-the-Base Gas Piping
16
C
Through-the-Base Electric and Gas
Piping
16
Digit 19 - Disconnect/Circuit
Breaker (three-phase only)
0
No Disconnect/No Circuit Breaker
1
Unit Mounted Non-Fused
Disconnect
8
2
Unit Mounted Circuit Breaker
8
Digit 20 - Convenience Outlet
0
No Convenience Outlet
A
Unpowered Convenience Outlet
B
Powered Convenience Outlet
(three-phase only)
9
Digit 21 - Communications
Options
3
0
No Communications Interface
1
Trane Communications Interface
2
LonTalk® Communications Interface
3
Novar 2024 Controls
30
4
Novar 3051 Controls without Zone
Sensor
30
5
Novar 3051Controls Interface with
DCV
30
6
BACnet™ Communications Interface
Digit 22 - Refrigeration System
Option
0
Standard Refrigeration System
10
B
Dehumidification Option
22
,
23
Digit 23 - Refrigeration Controls
Note:
Applicable to Digit 7 = E, F
0
No Refrigeration Control
5
1
Frostat
11
,
29
2
Crankcase Heater
2
3
Frostat
11
,
29
and Crankcase Heater
2
Digit 24 - Smoke Detector
17
0
No Smoke Detector
A
Return Air Smoke Detector
12
,
13
B
Supply Air Smoke Detector
C
Supply and Return Air Smoke
Detectors
12
,
13
D
Plenum Smoke Detector
Digit 25 - System Monitoring
Controls
0
No Monitoring Control
14
1
Clogged Filter Switch
14
2
Fan Failure Switch
14
3
Discharge Air Sensing Tube
14
4
Clogged Filter Switch and Fan
Failure Switch
14
5
Clogged Filter Switch and Discharge
Air Sensing Tube
14
6
Fan Failure Switch and Discharge Air
Sensing Tube
14
7
Clogged Filter Switch, Fan Failure
Switch and Discharge Air
Sensing Tube
14
8
Novar Return Air Sensor
(NOVAR 2024)
15
,
30
9
Novar Zone Temp Sensor
(NOVAR 3051)
19
,
30
A
Condensate Drain Pan Overflow
Switch
B
Clogged Filter Switch
14
and
Condensate Drain Pan Overflow
Switch
C
Fan Failure Switch
14
and Condensate
Drain Pan Overflow Switch
D
Discharge Air Sensing
14
and
Condensate Drain Pan Overflow
Switch
Y
S
C
0
3
6
E
3
R
Z
B
*
*
1
2
3
4
5
6
7
8
9
10
11
12
13
