Usage Instructions - Mitsubishi Daiya SAF150E6 Anwenderhandbuch

We have confirmed that dew does not drop out of this air-to-air heat exchange unit in the following
condition base on JIS. If the product is used in harsher conditions, dew may form and drip out.
JIS B 8628 Total heat exchanger Attachment 5 (Regulation) Dew condensation test procedure
Classification
Dry bulb
Cooling in summer
Heating in winter
Heating in winter

Usage instructions

Be sure to use filters. Otherwise, heat exchange
elements may become clogged with dust and
dirt, which may lead to effciency deterioration
and render heat exchange elements inoperable.
Never operate the on "Normal ventilation" during
the winter when the room is being heated, as
this will cause condensation to form inside the
unit and in the inlet-outlet vent.
Normal
ventilation
Indoor conditions Outdoor conditions
Wet bulb Dry bulb
temp. temp. temp.
22±1 17±2 35±1
20±1 14±2 –5±2
20±1 14±2 –15±2
Operating
Wet bulb
status
temp.
29±2 Operating
– Operating
– Stop
Ensure the operation switch is handled
correctly. In particular, avoid rapid re-
switching operations as it may cause a
malfunction and adversely affect the switch
and electrical components in the main unit,
resulting in failure.
Unit: °C
Test duration
(h)
6 hours
6 hours
6 hours
7