①
Please ensure a safe distance (Figure 1)
(1)Ensure the distance between the underside of the unit and ceiling board is over 25 mm.
(2)Ensure the distance between the top of the unit and the mounting face of supports is over 25 mm.
②
Set the inspection opening (Figure 2)
(1)No other devices should be set inside the double dot scribing area, which is reserved
for maintenance.
(2)During reverse installation, the position of the inspection opening should also meet the
dimensional relationship shown in Figure 2.
A
B
450
450
550
100
Figure 1
Figure 2
Above 25 mm
Above 25 mm
Ceiling board
Above 25 mm
Above 25 mm
Ceiling board
Main unit
Sub unit
Unit: mm
Dimensions of the
inspection opening
Dimensions of
th
e
inspection opening
WORK BEFORE INSTALLATION
A
B
FV-15ZY1
210
200
FV-25ZY1
210
200
FV-35ZY1
288
230
FV-50ZY1
288
230
FV-65ZY1
308
250
FV-80ZY1
464
310
FV-1KZY1
464
310
FV-1HZY1
464
310
FV-2KZY1
464
310
Model No.
9