2
CONTROL LIST
Recuperator
Control procedures required after commissioning and in case of
a malfunction are listed below. In the event of further malfunction
after initial controls, consult to our company.
NOTE
JRH72N 1500 / Air Flow Performance
01
02
03
04
05
06
07
08
09
10
Make sure the unit receives power and grounding is done!
Make sure the length of electric cables is correct!
(Check for overheating on cables!)
Check if the cables heading to the electrical box are shielded
(protected against magnetic field) and shield is grounded.
If not, replace!
Check if the exhaust and supply filters are clean and make sure they
do not prevent air flow!
Make sure the drain hose is connected and check for any blockages
through the drain line! If needed, clean it!
Please check that the duct dimensions used in the duct system are
correct and of the same dimension of the units duct connection. If
wrong correct it with appropriate one.
Make sure electrical connections are done as it is described in this
manual. Make necessary corrections if there is any faulty connection.
Make sure there is enough service space for installation.
If not, repeat installation.
In extremely cold climates in which freezing may occur on the heat
recovery unit, use electric pre-heater at the fresh air suction to raise
the air temperature to -8 °C or above.
Check for unusual noise or vibration after the installation. If there
is, control if anti-vibration pads are used.
√
JRH72N 1500 / Air Flow Performance