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Model Number Description
Digit 13 — Filter (Pre DX/Final) (continued)
K = Bag Filters with 2–inch Throwaway Prefilters/
Cartridge Final Filters
L = Cartridge Filters with 2–inch Throwaway
Prefilters /Cartridge Final Filters
M = Standard Throwaway Filter/Cartridge Final
Filters with 2"Throwaway Prefilters
N = High Efficiency Throwaway Filters/Cartridge
Final Filters with 2"Throwaway Prefilters
P = Bag Filters with Prefilters/Cartridge Final Filters
with 2–inch Throwaway Prefilters
Q = Cartridge Filters with Prefilters/Cartridge Final
Filters with 2–inch Throwaway Prefilters
R = High Efficiency Throwaway/Final filter rack (no
filters)
T = 2 inch and 1 inch Vertical Filter Rack (no filters)
/Final Filter Rack (no filters)
Digit 14 — Supply Air Fan HP
1 = 3 HP FC
2 = 5 HP FC
3 = 7.5 HP FC
4 = 10 HP FC
5 = 15 HP FC
6 = 20 HP FC
7 = 25 HP FC
8 = 30 HP FC
9 = 40 HP FC
A = 50 HP FC
B = 3 HP DDP 80W
C = 3 HP DDP 120W
D = 5 HP DDP 80W
E = 5 HP DDP 120W
F = 7.5 HP DDP 80W
G = 7.5 HP DDP 120W
H = 10 HP DDP 80W (60-75T = 2 x 5 HP)
J = 10 HP DDP 100 or 120W (60-75T = 2 x 5 HP)
K = 15 HP DDP 80W (60-75T = 2 x 7.5 HP)
L = 15 HP DDP 100 or 120W (60-75T = 2 x 7.5 HP)
M = 20 HP DDP 80W (60-75T = 2 x 10 HP)
N = 20 HP DDP 100 or 120W (60-75T = 2 x 10 HP)
P = 25 HP DDP 80W
R = 25 HP DDP 120W
T = 30 HP DDP 80W (60-75T = 2 x 15 HP)
U = 30 HP DDP 120W (60-75T = 2 x 15 HP)
V = 40 HP DDP 80W(60-75T = 2 x 20 HP)
W = 40 HP DDP 100 or 120W (60-75T = 2 x 20 HP)
X = 50 HP DDP 80W (70-75T = 2 x 25 HP)
Y = 50 HP DDP 100 or 120W (70–75T = 2 x 25 HP)
Z = 30 HP DDP 100W (60-75T = 2 x 15 HP)
8
Digit 15 — Supply Air Fan RPM
4 = 400 RPM
5 = 500 RPM
6 = 600 RPM
7 = 700 RPM
8 = 800 RPM
9 = 900 RPM
A = 1000 RPM
B = 1100 RPM
C = 1200 RPM
D = 1300 RPM
E = 1400 RPM
F = 1500 RPM
G = 1600 RPM
H = 1700 RPM
J = 1800 RPM
K = 1900 RPM
L = 2000 RPM
M = 2100 RPM
N = 2200 RPM
P = 2300 RPM
R = 2400 RPM
Digit 16 — Outside Air
A = No Fresh Air
B = 0-25% Manual
D = 0-100% Economizer
E = 0-100% Economizer with Traq/DCV
F = 0-100% Economizer with DCV
Note: Must install CO
sensor(s) for DCV to
2
function properly.
Digit 17 — System Control
6 = VAV Discharge Temp Control with VFD without
Bypass
7 = VAV Discharge Temp Control with VFD and
Bypass
8 = VAV Discharge Temp Control Supply and
Relief/Return Fan with VFD without Bypass
9 = VAV Discharge Temp Control Supply and
Relief/Return Fan with VFD and Bypass
A = VAV - Single Zone VAV - with VFD without
Bypass
B = VAV - Single Zone VAV - with VFD and Bypass
C = VAV - Single Zone VAV - Supply and Relief/
Return Fan with VFD without Bypass
D = VAV - Single Zone VAV - Supply and Relief/
Return Fan with VFD with Bypass
Digit 18 — Zone Sensor
0 = None
A = Dual Setpoint Manual or Auto Changeover
(BAYSENS108*)
C = Room Sensor w/ Override/Cancel Buttons
(BAYSENS073*)
D = Room Sensor w/ Temp Adjustment/Override/
Cancel Buttons (BAYSENS074*)
L = Programmable Zone Sensor w/ System
Function Modes for SZVAV/VAV (BAYSENS800*)
Note: *Asterisk indicates current model number
digit. These sensors can be ordered to ship
with the unit.
Digit 19 — Ambient Control
0 = Standard
1 = 0° Fahrenheit
Digit 20 — Agency Approval
0 = None (cULus Gas Heater, see note)
1 = cULus
Note: Includes cULus classified gas heating
section only when second digit is a "F."
Digit 21 — Miscellaneous Options
0 = Unit Mounted Terminal Block
A = Unit Mounted Disconnect Switch
B = Unit Mounted Disconnect Switch with High
Fault SCCR
D = Unit Mounted Disconnect Switch with
Convenience Outlet
E = Unit Mounted Disconnect Switch with High
Fault SCCR and Convenience Outlet
Digit 22 — Refrigeration Options
0 = Without Hot Gas Bypass
B = Hot Gas Bypass
C = Hot Gas Reheat without Hot Gas Bypass
D = Hot Gas Reheat and Hot Gas Bypass
RT-SVX072D-EN
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