9 Servicing
Removing components
SMGB0091 rev.2 - 11/2015
154
Optional position
If there is enough space for this operation from the front side of the unit, follow the instructions described in section from
fan service cover.
If there is not enough space for this operation from the front side of the unit, follow the instructions described in section
from back service cover.
Air outlet panel and fan unit (optional position)
Air outlet panel
Upper cover
Fan service cover
Back service cover
1
In order to access to the unit’s internal parts, remove the following covers and panels depending on access
restrictions:
a.
If upper cover can be removed, remove it as described in section
and access to the
unit’s internal parts from the upper side.
b.
If upper cover cannot be removed but air outlet panel can be removed, remove it as described in section
.
?
N O T E
If RASC unit is ducted, the fan duct of the installation must be removed in order to be able to unscrew the fan unit accessory from the
air outlet panel.
c.
If upper cover and air outlet panel cannot be removed, remove the following parts:
Remove the fan service cover as described in section
“9.3.2 Removing fan service cover”
Remove the back service cover as described in section
“9.3.4 Removing back service cover”
.
!
D A N G E R
• Disconnect the RASC unit from the power supply before touching any of the parts. Do not touch the electrical box before
disconnecting it in order to avoid an electrical shock.
• Electrical hazard. Risk of electrical shock. Do not touch the electrical components when the LED1 (Red) located on the PCB1
is ON in order to avoid electrical shock.