Maintenance - Toshiba MMD-VNK502HEXE Installation Manual

Air to Air Heat Exchanger with DX Coil Unit
5
Use the [ VENT MODE] button to select
" Auto ventilation" or " Total heat
exchanging ventilation".
6
After the test run, push button to
stop a test run.
(Display part is same as procedure 1.)
7
Push check button to cancel the test run
mode.
([TEST] disappears on the display and the
status returns to a normal.)
47-EN
Installation Manual
Air to Air Heat Exchanger with DX Coil Unit
16

Maintenance

Turn off the breaker before performing maintenance.
Running the Air to Air Heat Exchanger with DX Coil
Unit for a long period causes the filter or heat-
exchanger element to become clogged with dust. If the
filter or heat-exchanger element is clogged, the
ventilation amount is reduced and ventilation effect will
be deteriorated.
Clean the filter and heat-exchanger element regularly
according to the extent of dust accumulation.
WARNING
Before performing maintenance, stop the unit, then
turn off the breaker.
Otherwise, an electric shock or injury may result.
CAUTION
Wear protective gloves when performing
maintenance.
• Otherwise, an injury may result.
Maintenance of the filter and
heat-exchanger element
◆ Filter maintenance (Clean the filter
once or twice a year.)
2
1
Clean the filter if
remote controller.
2
Press the
filter. The
– 24 –
1
Open the inspection cover.
Enter the ceiling cavity remove the screw of fixed
part of Inspection cover and remove the fixing
lever (support the inspection cover while removing
the lever), then open the inspection cover.
2
Pull out the heat exchanger elements.
Filters are attached to the heat exchanger
element. Hold the handle of the heat exchanger
element, then pull it out.
* 2 heat exchanger elements are equipped with
this unit.
CAUTION
The table below shows the weight of each heat
1 exchanger element. Handle the heat exchanger
element carefully so as not to drop it.
Model name
MMD-VNK502HEXE
MMD-VN502HEXE
MMD-VNK802HEXE
MMD-VN802HEXE
MMD-VNK1002HEXE
MMD-VN1002HEXE
MMD-VNK1002HEXE2
is indicated on the
MMD-VN1002HEXE2
button after cleaning the
indicator disappears.
Installation Manual
Fixed part of
Inspection cover
Inspection cover
Fixing lever
Filters
High efficiency
filter
Weight (kg/unit) Quantity
2.9 2
4.0 2
4.0 2
4.0 2
EN
48-EN