Model Number Description - 17 Plus
RT-SVX22M-EN 7
Model Number Description - 17 Plus
Digit 1 - Unit Type
T DX Cooling
Y DX Cooling, Gas Heat
Digit2-Efficiency
S Standard Efficiency
H High Efficiency
Digit 3 - Airflow
C Convertible
Digit 4,5,6 - Nominal Gross
Cooling Capacity (MBh)
037 3Ton
047 4Ton
067 5Ton
Digit 7 - Major Design Sequence
E R-410A Refrigerant
Digit 8 - Voltage Selection
3 208-230/60/3
4 460/60/3
Digit 9 - Unit Controls
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
16
Digit 12,13 - Service Sequence
** Factory Assigned
Digit 14 - Fresh Air Selection
0 No Fresh Air
A Manual Outside Air Damper 0-50%
2
B Motorized Outside Air Damper
0-50%
C Economizer, Dry Bulb 0-100%
without Barometric Relief
5
D Economizer, Dry Bulb 0-100%
with Barometric Relief
5
E Economizer, Reference Enthalpy
0-100% without Barometric Relief
5
F Economizer, Reference Enthalpy
0-100% with Barometric Relief
5
G Economizer, Comparative
Enthalpy 0-100% without
Barometric Relief
5
H Economizer, Comparative
Enthalpy 0-100% with Barometric
Relief
5
Digit 15 - Supply Fan/Drive Type/
Motor
0 Standard Drive
4
6 Single Zone VAV
21
E VAV Supply Air Temperature Control
Standard Motor
21
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
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 NoThrough-the-Base Provisions
A Through-the-Base Electric
6
B Through-the-Base Gas Piping
13
C Through-the-Base Electric and Gas
Piping
13
Digit 19 - Disconnect/Circuit
Breaker (three-phase only)
0 No Disconnect/No Circuit Breaker
1 Unit Mounted Non-Fused
Disconnect
6
2 Unit Mounted Circuit Breaker
6
Digit 20 - Convenience Outlet
0 No Convenience Outlet
A Unpowered Convenience Outlet
B Powered Convenience Outlet
(three-phase only)
7
Digit 21 - Communications
Options
0 No Communications Interface
3 Novar 2024 Controls
4 Novar 3051 Controls without Zone
Sensor
5 Novar 3051Controls Interface with
DCV
Digit 22 - Refrigeration System
Option
0 Standard Refrigeration System
8
B Dehumidification Option
17
Digit 23 - Refrigeration Controls
Note: Applicable to Digit7=E
0 No Refrigeration Control
3
1 Frostat
2 Crankcase Heater
1
3 Frostat and Crankcase Heater
1
Digit 24 - Smoke Detector
14
0 No Smoke Detector
A Return Air Smoke Detector
9,10
B Supply Air Smoke Detector
C Supply and Return Air Smoke
Detectors
9,10
D Plenum Smoke Detector
Digit 25 - System Monitoring
Controls
0 No Monitoring Control
11
1 Clogged Filter Switch
11
2 Fan Failure Switch
11
3 Discharge Air SensingTube
11
4 Clogged Filter Switch and Fan
Failure Switch
11
5 Clogged Filter Switch and Discharge
Air SensingTube
11
6 Fan Failure Switch and Discharge Air
SensingTube
11
7 Clogged Filter Switch, Fan Failure
Switch and Discharge Air
SensingTube
11
8 Novar Return Air Sensor
(NOVAR 2024)
12,20
9 Novar ZoneTemp Sensor
(NOVAR 3051)
15,20
A Condensate Drain Pan Overflow
Switch
B Clogged Filter Switch
11
and
YHC 037 E 3 R Z B **
123 456 7 8 9 10 11 1213
0=No Electric Heat G=18 kW (1&3 phase)
B=6 kW (3 phase) J=23 kW (3 phase)
E=12 kW (3 phase)