Mark ERV500 - Page 15

15
EN
Loose or incorrect wiring connection can
cause explosion or re when the unit starts
to work. Use only rated power voltage.
Don’t site intake supply vent in hot and
humid conditions , as it may cause failure,
current leakage or re.
Don’t install, move or re-install the unit by
yourself. Improper action may cause unit
instability, electric shock or re.
Isolate power during extended off periods
Isolate power and take care when cleaning
unit. (Risk of electric shock)
Running the unit continuously in an abnor-
mal status may cause failure, electric shock
or re.
Clean the lter regularly. A blocked lter
may result in poor indoor air quality.
Don’t put ngers or objects into vents of
fresh air or exhaust air supply. Injury may be
caused by the rotation of the impeller.
Don’t put any burner directly facing the
fresh air discharge, otherwise it may cause
an insufcient burning.
Don’t change, disassemble or repair the
unit by yourself. Improper action may
cause electric shock or re.
Observe guidelines and regulations rela-
ting to incomplete combustion when use
is asso-ciated with fuel burning appliances.
Switch off the power and breaker when you
clean the exchanger.
Warning
Attention