35
7.3.
Connecting
pressure
sensors
Connected:
●
Manostat
PFi
is connected up to the junction box;
●
Manostat
PFe
is connected to the connector.
Connected, optional equipment:
●
Manometer
PMe
is connected up to the junction box;
●
Pressure measurement point
PDi
measuring the pressure increase of the fan
Mi
is installed on the
left side of the unit. Pressure measurement hoses are located on the top side of the block 3.
●
Pressure measurement point
PDe
measuring the pressure increase of the fan
Me
is installed on
the right side of the unit. Hoses leading from the pressure measurement point are installed.
Connect, optional equipment:
●
Connect grey connector which powers manostat
PFe
. The same connector powers also the servo
drive of the flap
Se
.
Unit with RD5, CPM
control system
Unit without
control system
●
Connect grey connector which powers manometer
PMi
. Available only for units with RD5 control
system.
●
Lead the hoses of the pressure measurement point
PDi
folded on the top side of the block 3
through a feed-through. The shorter hose ends up after going through the feed-through. Lead the
longer hose to the nozzle of the fan
Mi
.
●
Connect green connector which powers manostat
PFR;
manostat PFR monitors whether heat
recovery core is not freezing over. Available only for units without control system.
grey
grey
grey
grey
grey
grey
green
green
