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Speed Adjustment
The fan has three speeds which are selectable by changing the position of the jumper. The fan
is factory set to Setting 2 - Medium speed. To change the speed setting, pull the jumper off the
header pins and place back onto the desired position, see Fig14.
Setting 1 is LOW SPEED
Setting 2 is MEDIUM SPEED
Setting 3 is HIGH SPEED
14
Speed adjustment jumper
Variable Speed Controller
Speed adjustment for the basic version can also be achieved with the use of a speed controller.
If a speed controller is used then the speed setting on the fan unit should be setting 3 – High
Speed. Follow the Installation and wiring instructions for the speed controller unit to install the
controller correctly. A variable speed controller should NOT be used with the timer version.
C. OVER-HEATING PROTECTION.
The fan motor is fitted with Thermal Overload Protection. This is a one-shot thermal fuse. In the
event of a fault condition the fan will be automatically switched off. If this occurs isolate the fan,
and call your service engineer.
D.
SERVICING AND MAINTENANCE.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED
1. At intervals appropriate to the installation, the fan should be inspected and cleaned to
ensure there is no build up of dirt or other deposits.
The LINEAIR In-Line Mixed Flow fan has sealed for life bearings, which do not require lubrication.
Dimensions(mm)
100
AØ
98
BØ
178
C
124
D
298
E
96
F
168
G
120
FIXING CTRS
H
153.5
FIXING CTRS
FROM THE POWER SUPPLY DURING MAINTENANCE.
125
150
160
122
147
159
178
200
200
124
138
138
259
307
352
96
118
118
168
192
192
120
162
162
153.5
178
178
Setting 1
LOW SPEED
Setting 2
MEDIUM SPEED
Setting 3
HIGH SPEED
200
15
198
220
138
300
130
145
100
180
5
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