8
RT-SVX34R-EN
Model Number Description
60 Hz Description
Digit 1, 2 — Unit Function
TC = DX Cooling, No Heat
TE = DX Cooling, Electric Heat
YC = DX Cooling, Natural Gas Heat
Digit 3 — Unit Airflow Design
D = Downflow Supply and Upflow Return
H = Horizontal Supply and Horizontal Return
F = Horizontal Supply and Upflow Return
R = Downflow Supply and Horizontal Return
Digit 4, 5, 6 — Nominal Cooling
Capacity
330 = 27.5 Tons
360 = 30 Tons
420 = 35 Tons
480 = 40 Tons
600 = 50 Tons
Digit 7 — Major Development
Sequence
B = R-410A Refrigerant
Digit 8 — Power Supply
1
E = 208/60/3
F = 230/60/3
4 = 460/60/3
5 = 575/60/3
Digit 9 — Heating Capacity
2
0 = No Heat (TC Only)
L = Low Heat (YC Only)
H = High Heat (YC Only)
J = Low Heat-Stainless Steel Gas Heat
Exchanger (YC Only)
K = High Heat-Stainless Steel Gas Heat
Exchangers (YC Only)
M = Low Heat-Stainless Steel Gas Heat
Exchanger w/ Modulating Control (27.5-35
Tons YC only)
P = High Heat-Stainless Steel Gas Heat
Exchangers w/ Modulating Control (27.5-35
Tons YC Only)
R = Low Heat-Stainless Steel Gas Heat
Exchanger w/ Modulating Control (40-50 Tons
YC Only)
T = High Heat-Stainless Steel Gas Heat
Exchangers w/ Modulating Control (40-50
Tons YC Only)
Note: When second digit is “E” for Electric
Heat, the following values apply in the
ninth digit.
A = 36 kW (27 kW for 208V)
B = 54 kW (41 kW for 208V)
C = 72 kW
D = 90 kW
E = 108 kW
Digit 10 — Design Sequence
A = First
Digit 11 — Exhaust
4
0 = None
1 = Barometric Relief (Available w/
Economizer only)
2 = 100% Power Exhaust Fan (Available w/
Economizer Only)
3 = 50% Power Exhaust Fan (Available w/
Economizer Only)
4 = 100% Fresh Air Tracking Power Exhaust
Fan (Available w/ Economizer Only)
5 = 50% Fresh Air Tracking Power Exhaust
Fan (Available w/ Economizer Only)
6 = 100% Power Exhaust w/ Statitrac™
7 = 100% Power Exhaust Fan w/ Ultra Low
Leak Exhaust Damper (Available w/
Economizer Only)
8 = 50% Power Exhaust Fan w/ Ultra Low
Leak Exhaust Damper (Available w/
Economizer Only)
9 = 100% Power Exhaust w/ Ultra Low Leak
Exhaust Damper w/ Statitrac™
Digit 12 — Filter
A = 2” MERV 4, Std Eff, Throwaway Filters
B = 2” MERV 8, High Eff, Throwaway Filters
C = 4” MERV 8, High Eff, Throwaway Filters
D = 4” MERV 14, High Eff, Throwaway Filters
Digit 13 — Supply Fan Motor, HP
1 = 7.5 HP
2 = 10 HP
3 = 15 HP
4 = 20 HP
Digit 14 — Supply Air Fan Drive
Selections
A = 550 RPM
B = 600 RPM
C = 650 RPM
D = 700 RPM
E = 750 RPM
F = 790 RPM
G = 800 RPM
H = 500 RPM
J = 525 RPM
K = 575 RPM
L = 625 RPM
M = 675 RPM
N = 725 RPM
Digit 15 — Outside Air Selection
A = No Outside Air
B = 0-25% Manual Damper
C = 0-100% Economizer, Dry Bulb Control
D = 0-100% Economizer, Reference Enthalpy
Control
E = 0-100% Economizer, Differential
Enthalpy Control
F = “C” Option and Low Leak Fresh Air
Damper
G = “D” Option and Low Leak Fresh Air
Damper
H = “E” Option and Low Leak Fresh Air
Damper
J = “C” Option and Ultra Low Leak Outside Air
Damper
K = “D” Option and Ultra Low Leak Outside Air
Damper
L = “E” Option and Ultra Low Leak Outside Air
Damper
1 = Option “C” with Traq
2 = Option “D” with Traq
3 = Option “E” with Traq
4 = Option “F” with Traq
5 = Option “G” with Traq
6 = Option “H” with Traq
7 = Option “C” with Traq w/ Ultra Low Leak
Outside Air Damper
8 = Option “D” with Traq w/ Ultra Low Leak
Outside Air Damper
9 = Option “E” with Traq w/ Ultra Low Leak
Outside Air Damper
Digit 16 — System Control
1 = Constant Volume w/ Zone Temperature
Control
2 = Constant Volume w/ Discharge Air
Control
4 = VAV Supply Air Temperature Control w/
Variable Frequency Drive w/o Bypass
5 = VAV Supply Air Temperature Control w/
Variable Frequency Drive and Bypass
6 = Single Zone VAV w/ VFD w/o Bypass
7 = Single Zone VAV w/ VFD w/ Bypass
A = VAV Supply Air Temperature Control w/
VFD w/o Bypass w/ Motor Shaft Grounding
Ring
B = VAV Supply Air Temperature Control w/
VFD w/ Bypass w/ Motor Shaft Grounding
Ring
C = Single Zone VAV w/ VFD w/o Bypass w/
Motor Shaft Grounding Ring
D = Single Zone VAV w/ VFD w/ Bypass w/
Motor Shaft Grounding Ring
Note: Zone sensors are not included with
option and must be ordered as a
separate accessory.
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