4
FAXA-SVX01B-EN
Installation
general
information
Digit 1 – Unit model
F = fresh air unit
Digit 2 – Unit configuration
A = air cooled
Digit 3 – Unit discharge direction
D = downflow
H = horizontal
Digit 4 – Development sequence
A = development sequence ‘A’
Digits 5, 6, 7 – Unit size
031 = 3100 cfm
040 = 4000 cfm
051 = 5100 cfm
066 = 6600 cfm
Digit 8 – Unit voltage
3 = 230 volt/60 hz/3 ph
4 = 460 volt/60 hz/3 ph
6 = 208 volt/60 hz/3 ph
Digit 9 – Heating system
0 = none
A = gas low rise, single bank, 2-stage
B = gas low rise, single bank, 2:1
modulate
C = gas high rise, single bank, 2-stage
D = gas high rise, single banks, 2:1
modulate
E = gas dual bank, 4-stage
F = gas dual bank 4:1 modulate
G= electric heat, 3-stage
H = electric heat, 7-stage
K = hydronic interface only
Digits 10, 11 – Design sequence
** = factory assigned
Digits 12, 13, 14 – Heat input
000 = none
020 = 20 kW
026 = 26 kW
032 = 32 kW
042 = 42 kW
056 = 56 kW
070 = 70 kW
084 = 84 kW
100 = 100 kW
122 = 122 kW
125 = 125 MBh
150 = 150 MBh
200 = 200 MBh
250 = 250 MBh
300 = 300 MBh
350 = 350 MBh
400 = 400 MBh
500 = 500 MBh
600 = 600 MBh
700 = 700 MBh
800= 800 MBh
Digit 15 – Heat exchanger material
0 = none
1 = 409 stainless steel, 409 stainless Burner
2 = 321 stainless steel, 409 stainless burner
Digit 16 – Condenser reheat coil
0 = none
1 = condenser hot gas reheat coil
Digit 17 – Ventilation damper type
0 = parallel blade damper
1 = TRAQ™ damper with air flow
measurement
Digit 18 – Energy recovery
0 = none
1 = total energy wheel w/occupancy
control
2 = total energy wheel w/dry bulb control
Digit 19 – Return air damper
0 = none
1 = bottom return/reference enthalpy
2 = bottom return/comparative enthalpy
Digit 20 – Supply fan type
1
A = 12 - 9 centrifugal fan
B = 15 - 11 centrifugal fan
C = 18 - 13 centrifugal fan
Digits 21, 22, 23 – Supply fan rpm
037 = 375
040 = 400
042 = 425
045 = 450
047 = 475
050 = 500
052 = 525
055 = 550
057 = 575
060 = 600
062 = 625
065 = 650
067 = 675
070 = 700
072 = 725
075 = 750
077 = 775
080 = 800
082 = 825
085 = 850
087 = 875
090 = 900
092 = 925
095 = 950
097 = 975
100 = 1000
102 = 1025
105 = 1050
F A D A 040 6 G A,0
0,8,4 0 1 A 0 1 A
0,5,7
0,7 A 0
0
0
E F
0
1
0,0,0
0,0
A A A A
1 2 3 4 5,6,7 8 9 10,11 12,13,141516171819 20 21,22,23 24,25 26 27 28 29 30 31 32 33 34,35,36 37,38 39 40 41 42
Packaged Fresh Air unit Model Number Description
Following is a complete description of the Packaged FAU model number. Each digit in the model number has a corresponding code
that identifies specific unit options.
Note
1
: The first number in this description indicates the
fan wheel diameter (in.). The second number
indicates the fan wheel width.
Digits 24, 25 – Supply fan horsepower
01 = 1
02 = 2
03 = 3
05 = 5
07 = 7.5
10 = 10
15 = 15
Digit 26 – Fan motor type
A = standard efficiency ODP fan motor
B = high efficiency ODP fan motor
Digit 27 – Coil protection
0 = none
A = corrosion inhibiting coating
Digit 28 – Unit cabinet protection
0 = standard prepainted steel finish
A = corrosion inhibiting coating
Digit 29 – Filter type
0 = field-provided filter
1 = dirty filter switch (DFS) with field-
provided filter
2 = 2” pleated media filters
3 = 2” pleated media filters & DFS
Digit 30 – System control
A = supply air dehumidification
B = supply air dehimidification with zone
RH reference
E = zone dehumidification
107 = 1075
110 = 1100
112 = 1125
115 = 1150
117 = 1175
120 = 1200
122 = 1225
125 = 1250
127 = 1275
130 = 1300
132 = 1325
135 = 1350
137 = 1375
140 = 1400
142 = 1425
145 = 1450
147 = 1475
150 = 1500
152 = 1525
155 = 1550
157 = 1575
160 = 1600
162 = 1625
165 = 1650
167 = 1675
170 = 1700
172 = 1725
175 = 1750
177 = 1775
180 = 1800
182 = 1825
185 = 1850
187 = 1875
190 = 1900
192 = 1925
195 = 1950
197 = 1975
200 = 2000
202 = 2025
205 = 2050
207 = 2075
210 = 2100