FAN SPEED SETTINGS
R
LENN X
III
II
I
I
I
I
O O O
ON +5v +10v 3 spd
FAN SPEED SETTINGS
To achieve the design speed use
a combination of main tappings
on the transformer and switch
positions on the outside of the
control box.
5
Main tapping
Fan speed
switches
Output Volts
330
W
Y
R
+5
V
+10
V
@design
speed
EL
120
150
I
0
0
120
L
120
150
I
0
1
130
ML
120
150
II
1
0
140
M
135
165 II
0
0
150
H
150
180 II
1
0
170
Main tapping
Fan speed
switches
Output Volts
440
W
Y
R
+5
V
+10
V
@design
speed
EL
120
150
I
0
0
120
L
120
150
I
0
1
130
ML
120
150
II
1
0
140
M
135
165 II
0
0
150
H
165
195 II
0
0
180
Main tapping
Fan speed
switches
Output Volts
480
W
Y
R
+5
V
+10
V
@design
speed
EL
120
150
I
0
1
130
L
120
150
II
0
1
145
ML
135
165
II
0
1
160
M
150
180 II
0
1
175
H 165
195 III 0
0
195
Main tapping
Fan speed
switches
Output Volts
150
W
Y
R
+5
V
+10
V
@design
speed
EL
120
150
I
0
0
120
L
120
150
I
0
1
130
ML 135
165 II
0
0
150
M
150
180 II
1
0
170
H 165
195 III 1
0
200
Main tapping
Fan speed
switches
Output Volts
190
W
Y
R
+5
V
+10
V
@design
speed
EL
120
150
I
0
0
120
L
120
150
I
0
1
130
ML 120
150 II
1
0
140
M
135
165 II
0
0
150
H
135
165 III 1
0
170
Main tapping
Fan speed
switches
Output Volts
260
W
Y
R
+5
V
+10
V
@design
speed
SL
120
150
I
0
0
120
EL
120
150
I
0
1
130
L
120
150
II
1
0
140
ML 135
165 II
0
0
150
M
150
180 II
1
0
170
H 165
195 III 1
1
200
135
135
135
150
165
135
135
135
150
165
180
135
135
135
150
150
135
135
150
165
180
135
135
135
150
180
135
135
150
165
180
Switch
Switch
Switch
Switch
Switch
Switch