60
MUA-SVX006B-EN
Separated Combustion Indoor Make-Up Unit Number
Description
Digit 1 — Gas Heating Equipment
G = Gas Heating Equipment
Digit 2— Unit Type
X = Separate Combustion Indoor Makeup Air
Handler
Y = Separated Combustion Duct Furnace
Only
Digit 3— Furnace Type (FT)
A = Standard Temp Rise LH (20-60 °F)
B = Standard Temp Rise RH (20-60 °F)
C = High Temp Rise LH (60-90 °F)
D = High Temp Rise RH (60-90 °F)
Digit 4 — Development Sequence
Current Design
Digit 5,6 — Input Capacity
10 = 100 MBH
15 = 150 MBH
20 = 200 MBH
25 = 250 MBH
30 = 300 MBH
35 = 350 MBH
40 = 400 MBH
50 = 500 MBH
60 = 600 MBH
70 = 700 MBH
80 = 800 MBH
12 = 1200 MBH
Digit 7 — Venting Type
P = Power Venting
Digit 8 — Main Power Supply
A = 115/60/1 Main Power Supply
B = 208/60/1 Main Power Supply
C = 230/60/1 Main Power Supply
D = 208/60/3 Main Power Supply
E = 230/60/3 Main Power Supply
F = 460/60/3 Main Power Supply
G = 575/60/3 Main Power Supply
Digit 9 — Gas Control Option
A = Single Stage Gas (Standard)
B = Two Stage Gas
G = Electronic Modulation w/Room Stat
H = Electronic Modulation w/Duct Stat
J= Electronic Modulation w/Duct Sensing &
Ovrd. Stat
K = Electronic Modulation w/External 4-20
MA Input Furnace 1
Digit 9 — Gas Control Option, cont.
L = Electronic Modulation w/External 4-20 MA
Input All Furnaces
M = Electronic Modulation w/External 0-10
VDC Input Furnace 1
N = Electronic Modulation w/External 0-10
VDC Input All Furnaces
P = Two Stage Discharge Air Temp Control
R = Three Stage Discharge Air Temp Control
T = Four Stage Discharge Air Temp Control
U = S-350 2 Stage Modular Electronic Control
System
W = S-350 3 Stage Modular Electronic
Control System
X = S-350 4 Stage Modular Electronic Control
System
Y = S-350 6 Stage Modular Electronic Control
System
Digit 10, 11 — Design Sequence
Current Design
Digit 12 — Fuel Type
N = Natural Gas
P = LP Gas (Propane)
L = Natural Gas w/100% Lockout
Digit 13 — Heat Exchanger
1 = Aluminized Steel Heat Exchanger
2 = 409 Stainless Steel (First Furnace Only)
3 = 409 Stainless Steel (All Furnaces)
4 = 321 Stainless Steel (First Furnace Only)
5 = 321 Stainless Steel (All Furnaces)
6 = 409 Stainless Steel Package (First
Furnace Only)
7 = 409 Stainless Steel Package (All
Furnaces)
8 = 321 Stainless Steel Package (First
Furnace Only)
9 = 321 Stainless Steel Package (All
Furnaces)
Digit 14 — Indoor Arrangement
Includes furnace selection(s)
A = Indoor Duct Furnace (Cap. 50–120 Only)
B = Blower (Standard)
D = Blower (Standard) Evap. Cooling
G = Blower (High CFM)
K = Blower (High CFM) / Coil Cabinet
Digit 15 — Indoor Heating Unit Motor
Selection
0 = No Selection (Duct Furnace)
A = 1/2 HP w/Contactor
B = 3/4 HP w/Contactor
C = 1 HP w/Contactor
D = 1-1/2 HP w/Contactor
E = 2 HP w/Contactor
F = 3 HP w/Contactor
G = 5 HP w/Contactor
H = 1/2 HP w/Magnetic Starter
J = 3/4 HP w/Magnetic Starter
K = 1 HP w/Magnetic Starter
L = 1-1/2 HP w/Magnetic Starter
N = 2 HP w/Magnetic Starter
P = 3 HP w/Magnetic Starter
Q = 5 HP w/Magnetic Starter
R = 7-1/2 HP w/Magnetic Starter
T = 10 HP w/Magnetic Starter
U = 15 HP w/Magnetic Starter
V = 1 HP w/VFD
W = 1–1/2 HP w/VFD
X = 2 HP w/VFD
Y = 3 HP w/VFD
Z = 5 HP w/VFD
1 = 7–1/2 HP w/VFD
2 = 10 HP w/VFD
3 = 15 HP w/VFD
Digit 16 — Motor Speed
0 = No Motor Speed (Duct Furnace)
1 = Single Speed ODP 1800 RPM
2 = Single Speed TEFC 1800 RPM
3 = Single Speed High Eff. ODP 1800 RPM
4 = Single Speed High Eff. TEFC 1800 RPM
Digit 17 — Coil Options
0 = No Cooling Coil
A = DX Coil, 4 Row Single Circuit
B = DX Coil, 4 Row Dual Circuit
C = DX Coil, 6 Row Single Circuit
D = DX Coil, 6 Row Dual Circuit
E = Chilled Water Coil, 4 Row
G = Chilled Water Coil, 6 Row
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