MUA-SVX006B-EN
61
Digit 18 — Air Inlet Configuration
0 = No Air Inlet Config. (Duct Furnace)
1 = Single, Horizontal Inlet
2 = Single, Horizontal Inlet w/Air Hood*
3 = Bottom Return Air (RA)
4 = Outside Air/Return Air (OA/RA)
5 = Outside and Return Airw/Air Hood*
*Hood shipped separately
Digit 19 — Air Control/Damper
Arrangement
0 = No Air Control/Damper Arr.
A = Outside Air 2 Position Motor / Spring
Return
B = Return Air 2 Position Motor / Spring
Return
C = OA/RA 2 Position / Spring Return
Q = OA/RA Mod. Motor w/CO
2
Monitor Sensor
E = OA/RA Mod. Motor w/Mixed Air Control /
Min. Pot. / SR
H = OA/RA Mod. Motor w/Mixed Air Control /
SR
K = OA/RA Mod. Motor w/Min. Pot. / SR
M = OA/RA Mod. Motor w/Dry Bulb / Mixed
Air Control / Min. Pot. /SR
N = OA/RA Mod. Motor w/Enthalpy Controlled
Economizer / SR
P = OA/RA Mod. Motor w/Pressure Control
(Space Pressure)
R = OA/RA Mod. Motor w/S-350-P
Proportional Mixed Air Control / SR
U = OA/RA, Motor w/Ext 0-10 VDC/4-20 MA
Analog/SR
W = ASHRAE Cycle I
X = ASHRAE Cycle II
Y = ASHRAE Cycle III
Z = Manual Dampers
Digit 20 — California Shipment
0 = Non California Shipment
1 = California Shipment
Digit 21 — Misc. Equipment Options
A = High Altitude Orifices
B = 12" (305MM) Evaporative Media
(Celdek™)
C = Moisture Eliminators
D = Horizontal Return
E = Air Flow Proving Switch
F = Freezestat w/Time Delay
G = Fan Time Delay
H = Return Firestat
J = Supply Firestat
K = Manual Blower Switch
M = Input De-rate
N = Double Wall Construction
P = Low Leak Damper
Q = Clogged Filter Switch
R = High/Low Gas Pressure Limit Switch
T = Status Indicator Lamp
V = Manual Reset High Limit Switch
W = 8" (203MM) Evaporative Media
(Glasdek™)
X = 12" (305MM) Evaporative Media
(Glasdek™)
Y = Ambient Lockout
Z = Freezestat for Evaporative Cooler
1 = 1" (25MM) Permanent Filter (std)
2 = 2" (51MM) Permanent Filter
3 = 2" (51MM) Throwaway Filter
4 = 1" (25MM) 30% Pleated Media Filter
5 = 2" (51MM) 30% Pleated Media Filter
6 = Service Convenience Package
Digit 22 — VFD Installation Options
1 = Field Installed VFD
2 = Factory Installed VFD
3 = VFD Remote Keypad (Field Installed)
4 = CO
2
Sensor - 100% Outside Air
5 = CO
2
Sensor - Mixed Air
6 = Pressure Sensor
7 = Two-Speed VFD Relays
8 = Three-Speed VFD Relays
9 = VFD Enclosure (Only with Factory
Installed VFD)
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