6
RT-SVX074A-EN
Model Number Description
Digit 1 — Unit Function
T
= DX Cooling
Digit 2 — Cooling Efficiency
H
= High Efficiency
Digit 3 — Refrigerant
J
= R-410A
Digit 4,5,6 — Nominal Gross Cooling
Capacity (MBh)
072
= 6 Ton
090
= 7.5 Ton
102
= 8.5 Ton
120
= 10 Ton
150
= 12.5 Ton
180
= 15 Ton
210
= 17.5 Ton
240
= 20 Ton
300
= 25 Ton
Digit 7 — Design Sequence
Digit 8 — Voltage Selection
3
= 208–230/60/3
4
= 460/60/3
W
= 575/60/3
Digit 9 — Unit Controls
S
= Symbio™ 700
Digit 10 — Heat Type
0
= Base Model (None or Electric)
Digit 11 — Heating Capacity
0
= No Heat
C
= 9 kW Electric Heat
G
= 18 kW Electric Heat
K
= 27 kW Electric Heat
N
= 36 kW Electric Heat
P
= 54 kW Electric Heat
R
= 72 kW Electric Heat
Digit 12, 13 — Service Sequence
**
= Factory Assigned
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
K
= Downflow Low Leak Economizer, Dry Bulb
with Barometric Relief
M
= Downflow Low Leak Economizer, Reference
Enthalpy with Barometric Relief
P
= Downflow Low Leak Economizer,
Comparative Enthalpy with Barometric Relief
R
= Downflow Low Leak Economizer, Differential
Dry Bulb with Barometric Relief
Digit 15 — Supply Fan/Motor
0
= Multi-Speed Motor
1
= Optional Oversized/High Static Motor
2
= Single Zone Variable Air Volume with
Standard Motor
3
= Single Zone Variable Air Volume with
Oversized/High Static Motor
4
= Multiple Zone Variable Air Volume with
Standard Motor
5
= Multiple Zone Variable Air Volume with
Oversized/High Static Motor
Digit 16 — Hinged Access/Filters
0
= Standard Panels/Standard Filters
A
= Hinged Access Panels/Standard Filters
B
= Standard Panels/2 inch MERV 8 Filters
C
= Hinged Access Panels/2 inch MERV 8 Filters
D
= Standard Panels/2 inch MERV 13 Filters
E
= Hinged Access Panels/2 inch MERV 13 Filters
Digit 17 — Coil Protection
0
= Standard Coil
1
= Condenser with CompleteCoat™
Digit 18 — Through-the-Base Provisions
0
= No Through-the-Base Provisions
A
= Through-the-Base Electric
Digit 19 — Disconnect/Circuit Breaker (three-
phase only)
0
= No Disconnect/No Circuit Breaker
1
= Unit Mounted/Non-Fused Disconnect
2
= Unit Mounted Circuit Breaker
Digit 20— Convenience Outlet
0
= No Convenience Outlet
A
= Unpowered 20A Convenience Outlet
B
= Powered 15A Convenience Outlet
(three-phase only)
Digit 21— Communications Options
0
= No Communications Interface
1
= Advanced Controller with BACnet®
Communications Interface
2
= Advanced Controller with LonTalk®
Communications Interface
3
= Advanced Controller with Air-Fi®
Communications Interface
Digit 22— Refrigeration System Option
0
= Standard Refrigeration System
A
= Dehumidification Option
Digit 23— Controls Expansion Module
0
= None
1
= XM-30 Expansion Module
2
= XM-32 Expansion Module
3
= XM-30 and XM-32 Expansion Module
4
= XM–30 Expansion Module (Qty 2)
5
= XM–32 Expansion Module (Qty 2)
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