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Model Number Descriptions
W F H E
400
4 P
0
1 2 3 4
567
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
DIGIT 1 — UNIT TYPE
W =
Air Handler Casing
DIGIT 2 — UNIT FUNCTION
E
=
Electric Heat
F
=
Natural Gas Heat
L
=
Hot Water Heat
S
=
Steam Heat
X
=
No Heat, Extended Casing
DIGIT 3 — UNIT AIRFLOW
H
=
Single Zone
DIGIT 4 — DEVELOPMENT
SEQUENCE
E
=
R-410A
DIGITS 5 — UNIT SIZE
2
=
4000-9000 cfm
3
=
6000-13,500 cfm
4
=
8000-18,000 cfm
5
=
10,000-22,500 cfm
6
=
14,000-27,000 cfm
9
=
27,000-46,000 cfm
DIGIT 6 — COOLING COIL -
NUMBER OF ROWS
0
=
No Cooling Coil
2
=
2 Row Chilled Water
4
=
4 Row Chilled Water
6
=
6 Row Chilled Water
E
=
R-410A DX Coil
Note: Valve type and size required when
ordering
DIGIT 7 — COOLING COIL - FIN
SERIES
0
=
No Chilled Water Coil
A
=
Series 80 w/o Turbulators
B
=
Series 80 w/ Turbulators
C
=
Series 108 w/o Turbulators
D
=
Series 108 w/ Turbulators
E
=
Series 144 w/o Turbulators
F
=
Series 144 w/ Turbulators
G
=
Series 168 w/o Turbulators
H
=
Series 168 w/ Turbulators
DIGIT 7A — COOLING VALVE
0
= No Cooling Valve
@ = 1.5" Cooling Valve (29.3 Cv)
% = 2" Cooling Valve (40 Cv)
$
= 2.5" Cooling Valve (63 Cv)
-
= 3" Cooling Valve (100 Cv)
DIGIT 8 — MAIN POWER SUPPLY
E
=
200/60/3
F
=
230/60/3
4
=
460/60/3
5
=
575/60/3
RT-SVX35H-EN
5
8
C
4
8
D
3
0
DIGIT 9 — HEATING CAPACITY
Note: When the second digit calls for "F"
(Gas Heat), the following values
apply:
H
=
High Heat-2-Stage
(All Casing Sizes)
L
=
Low Heat-2-Stage
(Casing Sizes 2-6)
0
=
No Heat (All Casing Sizes)
J
=
High Heat-Limited Modulation
(All Casing Sizes)
G
=
Low Heat-Limited Modulation
(Casing Sizes 5 & 6)
P
=
High Heat-Full Modulation
(All Casing Sizes)
M =
Low Heat-Full Modulation
(Casing Sizes 5 & 6)
Note: When the second digit calls for "E"
(electric heat), the following
values apply:
D
=
30 kW
H
=
50 kW
L
=
70 kW
N
=
90 kW
Q
=
110 kW
R
=
130 kW
U
=
150 kW
V
=
170 kW
W =
190 kW
Note: When the second digit calls for ''L''
(Hot Water) or ''S''(Steam) Heat,
one of the following valve size
values must be in Digit 9:
High Heat Coil:
1
=
.50" (4.7 Cv)
2
=
.75" (7.3 Cv)
3
=
1" (11.7 Cv)
4
=
1.25" (18.7 Cv)
5
=
1.5" (29.3 Cv)
6
=
2" (46.8 Cv)
Low Heat Coil:
A
=
.50" (4.7 Cv)
B
=
.75" (7.3 Cv)
C
=
1" (11.7 Cv)
D
=
1.25" (18.7 Cv)
E
=
1.5" (29.3 Cv)
F
=
2" (46.8 Cv)
DIGIT 10 — DESIGN SEQUENCE
A
=
First (Factory Assigned)
Note: Sequence may be any letter
A thru Z.
0
0
A
0
W
0
0
0
0
0
0
0
0
0
0
0
DIGIT 11 — EXHAUST OPTION
0
=
None
1
=
Barometric
3
=
100%, 3 hp w/Statitrac
4
=
100%, 5 hp w/Statitrac
5
=
100%, 7.5 hp w/Statitrac
6
=
100%, 10 hp w/Statitrac
7
=
100%, 15 hp w/Statitrac
8
=
100%, 20 hp w/Statitrac
B
=
50%, 3 hp
C
=
50%, 5 hp
D
=
50%, 7.5 hp
F
=
100%, 3 hp w/o Statitrac
G
=
100%, 5 hp w/o Statitrac
(CV Only)
H
=
100%, 7.5 hp w/o Statitrac
J
=
100%, 10 hp w/o Statitrac
K
=
100%, 15 hp w/o Statitrac
(CV Only)
L
=
100%, 20 hp w/o Statitrac
(CV Only)
DIGIT 12 — EXHAUST AIR FAN
DRIVE
0
=
None
4
=
400 rpm
5
=
500 rpm
6
=
600 rpm
7
=
700 rpm
8
=
800 rpm
9
=
900 rpm
A
=
1000 rpm
B
=
1100 rpm
DIGIT 13 — FILTER
A
=
Throwaway
B
=
Cleanable Wire Mesh
C
=
High-Efficiency Throwaway
D
=
Bag With Prefilter, MERV 14
E
=
Cartridge With Prefilter, MERV 14
F
=
Throwaway Filter Rack Less
Filter Media
G
=
Bag Filter Rack Less Filter Media
DIGIT 14 — SUPPLY AIR FAN HP
Casing Sizes 2 - 6 Only
1
=
3 hp
2
=
5 hp
3
=
7.5 hp
4
=
10 hp
5
=
15 hp
6
=
20 hp
7
=
25 hp
8
=
30 hp
9
=
40 hp
A
=
50 hp
Casing Size 9 Only
C
=
30 HP (2 - 15 HP)
D
=
40 HP (2 - 20 HP)
E
=
50 HP (2 - 25 HP)
F
=
60 HP (2 - 30 HP)
G
=
80 HP (2 - 40 HP)
0
0
0
0
5
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