MUA-SVX005B-EN
53
Indoor Make-Up Air Unit Number Description
G G A A 40 P D G F0 N 2 B
Q
1 0 1 A 0 +
1 2 3 4
5, 6
7 8 9
10,-
11
12 13 14 15 16 17 18 19 20 21
Digit 1 — Gas Heating Equipment
G = Gas
Digit 2 — Unit Type
G = High Efficiency Indoor Make-Up Air
Handler
Z = High Efficiency Indoor Duct Furnace
Digit 3 — Furnace Type
A = Standard Temp Rise (30-80 F) LH
B = Standard Temp Rise (30-80 F) RH
S = Special Furnace Type
Note: LH= Left Hand, RH = Right Hand
Digit 4 — Development Sequence
A = First Generation
Digit 5, 6 — Input Capacity
Single Furnace
10 = 100 MBh Input
15 = 150 MBh Input
20 = 200 MBh Input
25 = 250 MBh Input
30 = 300 MBh Input
35 = 350 MBh Input
40 = 100 MBh Input
Double Furnace
50 = 500 MBh Input
60 = 600 MBh Input
70 = 700 MBh Input
80 = 800 MBh Input
Triple Furnace
12 = 1,200 MBh Input
SS = Special Unit
Digit 7 — Venting Type
P = Power Venting
S = Special Venting
Digit 8 — Main Power Supply
A = 115/60/1
B = 208/60/1
C = 230/60/1
D = 208/60/3
E = 230/60/3
F = 460/60/3
G = 575/60/3
S = Special Main Power Supply
Digit 9 — Gas Control Option
A = Single Stage
B = Two Stage
G = Electronic Modulating w/Room T-Stat
H = Electronic Modulating w/Duct T-Stat
J = Electronic Modulating w/Duct T-Stat and
Override Room Thermostat
K = Electronic Modulating w/External 4-20
mA Input (Furnace 1)
L = Electronic Modulating w/External 4-20
mA Input (All Furnaces)
M = Electronic Modulating w/External 0-10
VDC Input (Furnace One)
N = Electronic Modulating w/External 0-10
VDC Input (All Furnaces)
P = VAV Control Two-Stage
R = VAV Control Three-Stage
T = VAV Control Four-Stage
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
S = Special Gas Control
Digit 10, 11— Design Sequence
F0 = Design Sequence
Digit 12 — Fuel Type (GT)
N = Natural Gas
P = LP Gas (Propane)
L = Natural Gas w/100% Lockout
S = Special Fuel Type
Digit 13 — Heat Exchanger Material
1 = Aluminized Steel
2 = #409 Stainless Steel (First Furnace Only)
3 = #409 Stainless Steel (All Furnace
Sections)
4 = #321 Stainless Steel (First Furnace Only)
5 = #321 Stainless Steel (All Furnace
Sections)
6 = #409 Stainless Steel Package (First
Furnace Only)
7 = #409 Stainless Steel Package (All
Furnace Sections)
8 = #321 Stainless Steel Package (First
Furnace Only)
9 = #321 Stainless Steel Package (All
Furnace Sections)
S = Special Heat Exchanger Package
Digit 14 — Indoor Arrangements
A = Indoor Duct Furnace
B = Blower (Standard)
D = Blower (Standard) Evaporative Cooler
G = Blower (High CFM)
K = Blower (High CFM) / Cooling
S = Special Rooftop Arrangement
Digit 15 — Indoor Heating Unit Motor
Selection
0 = No Motor (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 (Duct Furnace)
1 = Single Speed ODP 1800 RPM
2 = Single Speed TEFC 1800 RPM
3 = Single Speed High Efficiency ODP 1800
RPM
4 = Single Speed High Efficiency TEFC 1800
RPM
Digit 17 — Coil Options (CO)
0 = No cooling Coil selection
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
S = Special Coil
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