Main body
Air filter
Main body
Hinge
2. Assembly of air filter
Assemble the air filter into the holder structure
of the total heat exchanger.
• Take care to ensure that surface of the total
heat exchanger could not be damaged.
• Dusts adhered to the total heat exchanger
may cause deterioration of air volume.
3. Assembly of maintenance cover
Fix the cover to the right hinge and fix it to the
left side. (A nameplate is adhered toward the
reading direction).
Tighten a screw on the maintenance cover.
18
Ventilator
Maintenance and service
Check item prior to notify a failure
Symptom
Check item
Counter-measure
The product doesn't work
Is power not supplied?
Supply power
The product doesn't work through
you press the 'On' switch
Is the indoor temperature less
than 15 ℃ (59 ℉) or more than
40 ℃ (104 ℉)?
It's standby mode for protecting
total heat exchanger.
Is air filtecr, total heat exchang-
er clogged severely?
Follow cleaning and changing
method.
Are the PCB and remote con-
troller rightly connected?
Connect rightly PCB and
remote controller.
Even though you change the
fan speed, the operation mode
doesn't change and it changes
to 'Auto or low'
Is the indoor temperature less
than -10 ℃ (14 ℉) or more than
45 ℃ (113 ℉)?
It's operation mode to protect
total heat exchanger.
Even though you push the but-
ton of remote controller, any
function doesn't work.
Is the icon "
" displaying on
remote controller?
It's child lock mode.
Refer to remote controller.
Содержание LZ-H025GBA4
Страница 19: ......