8 Hamenofim St P.O.B 12555 Herzliya Pituach Israel Tel: +972-9-7730980; Fax: +972-9-7730989 Maintenance guide for DryGair unit for warm climate Hamenofim St P.O.B 12555 Herzliya Pituach Israel Tel: +972-9-7730980; Fax: +972-9-7730989 General: a Make sure your work zone is clean It is highly recommended since it is a factor in operator safety b Periodic clean and maintenance are indispensable for correct machine operation and long machine life c To clean those difficult-to-reach areas use a vacuum cleaner Remove oil and sludge with clean cloth, only if necessary use paintbrush dipped in oil, or cleaning material d Clean carefully and dry with a clean cloth e Do not use gasoline or solvents, which might damage the paintwork, transparent parts, cable insulation etc f Dust off the coils and the surfaces with a light blast of compressed air g When the machine is idle for long period disconnect it from the power supply h Cover the whole machine with suitable material to avoid a build-up of dust (Any protective cover must have ventilation holes and not be completely closed at its base This is to stop humidity as a result of insufficient ventilation Condensation will cause rusting or corrosion of the metal parts and damages the electrical apparatus) Daily check Be aware that the machine is working properly and notice if something unusual occurs 8 Hamenofim St P.O.B 12555 Herzliya Pituach Israel Tel: +972-9-7730980; Fax: +972-9-7730989 Routine maintenance ENSURE THAT THE POWER CORD TO THE MACHINE HAS BEEN DISCONNECTED BEFORE CARRYING OUT ROUTINE MAINTENACE To ensure continued full efficiency of the dehumidifier, maintenance procedures should be performed as follows: Visual checkup of all systems General cleaning of the unit and its surroundings Clean the surface of the evaporator and condenser coils by blowing the dirt out from behind the fins with compressed air Hold the nozzle of the air hose away from the coil to avoid damaging the fins Alternatively, vacuum clean the coils *do not use steam to clean the coils* Searching of any oil stains/residues Isolation and paint repairs of the unit Check that the fan is firmly secured to the motor shaft and that the fan rotates freely The fan motor is sealed for life and therefore does not need oiling To check the refrigerant charge, run the unit for 15 minutes and briefly remove the side cover, check that there are no bubbles at the sight glass The evaporator coil should be evenly wet coated across its surface Partial wetness indicates loss of refrigerant gas or low charge Check all wiring connections, and if necessary tightened the screws (especially in the electricity panel) Oil change only if needed 10 Tightening compressor taps and pressure switches to prevent gas leaks 11 Check the electric currents of the compressor and fans ... +972-9-7730989 Routine maintenance ENSURE THAT THE POWER CORD TO THE MACHINE HAS BEEN DISCONNECTED BEFORE CARRYING OUT ROUTINE MAINTENACE To ensure continued full efficiency of the dehumidifier, maintenance. .. Isolation and paint repairs of the unit Check that the fan is firmly secured to the motor shaft and that the fan rotates freely The fan motor is sealed for life and therefore does not need oiling To... efficiency of the dehumidifier, maintenance procedures should be performed as follows: Visual checkup of all systems General cleaning of the unit and its surroundings Clean the surface of the evaporator