Toshiba Carrier RAV-SP181BT-UL Installation Manual page 10

 Installation of air filter
The type of air filters required will be specified by applicable codes and requirements for the fan coil installation.
The filters for these fan coil units are all 1" thick x 12" high. The lengths vary with the model of fan coil being
installed. All the lengths required are specified in the chart below. All filters are to be procured locally.
Filter spec: MERV; 7
Filter chamber structure and filter size.
D
Remove this cover to install
filters in the filter rack.
Replace the cover after the
filters are installed.
MODEL RAV- SP30 to SP42 type
W 52" (1320)
H
D
12" × 20" × 1", (2) piece
Filter size (H × W × D) and
quantity
12" × 12" × 1", (1) piece
FR-1 : Back air intake flange
FR-2 : Under air intake flange
All unit models have the FR - 1 & FR - 2 filter position option available. Both positions use the
same filters per model shown in the chart above.
17-EN
W
Filter rack
SP24 type
38.2" (970)
12.6" (320) *1
1.1" (28)
12" × 20" × 1", (1) piece
12" × 25" × 1", (1) piece
12" × 18" × 1", (1) piece
Two positions for filter rack
Indoor unit FR-1
FR-2
– 9 –
◆ Installation of air filter
Unit: in (mm)
1
Remove the cover plate (Screw x 3).
Cover plate
SP18 type
26.4" (670)
Cover plate fixing
screws
Cover plate for filter
slot
CAUTION
The cover plate is attached temporarily with the screws
indicated by the arrows for protection when shipped.
After reattaching it, seal the screw holes with tape
instead of using the screws.
18-EN