5.6
FAN MOTOR CHANGE
This operation can only be undertaken once the electrical supply has been switched off (consignation). Under this condition only, the access
to fan motors is authorized.
Remarks :
If a fan motor needs to be changed, care should be taken to unplug all purge holes during reinstallation (to enable the condensation to
escape).
6-
OPTION : WATER SPRAYING SYSTEM
Water characteristics :
pH
6 < pH < 8
Hardness (CaCO3)
30 à 100 ppm
Alkalinity (CaCO3)
250 ppm max
Pressure
1.5 bar
Water spray option includes:
> Copper pipes with water duct (sprayer)
> Brass ducts (quantity will be confirmed at the order)
> Water devices:
-
Manometer
-
Solenoid valve
-
filter
-
Pressure switch
-
Ambient temperature sensor
-
Adjustment hand valve.
> An ambient thermostat:
You have to install a drain valve at lowest point of the installation (manual operation to be done prior winter with opened solenoid valve ) Way
of control method: When all the fans of the heat exchanger are in operation and ambient temperature is over the ambient thermostat set
point, Water spray system is engaged.
