Technical Maintenance; Troubleshooting - DALAP AP QUIET Serie Benutzerhandbuch

Dalap AP quiet PROFI 450-1 EC
Dalap AP quiet PROFI 500-1 EC

TECHNICAL MAINTENANCE

DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE
ANY MAINTENANCE OPERATIONS.
The unit must undergo technical maintenance once a year. Technical maintenance includes regular cleaning of the unit.
1. Fan maintenance (once a year).
Some dust may accumulate on the impeller blades or on the fan motor which reduces the unit capacity.
Clean the fans with a soft brush, cloth, vacuum cleaner or compressed air.
Do not use water, aggressive solvents or sharp objects as they may damage the impeller.
2. Supply air flow control (twice per year).
The supply duct grille may get clogged with leaves and other objects reducing the unit performance and supply air delivery. Check the supply grille twice
per year and clean it as required.
3. Technical maintenance of air duct system (every 5 years).
Some dust may accumulate inside the air ducts which reduces the unit capacity.
Duct maintenance means regular cleaning or replacement.

TROUBLESHOOTING

Problem
No power supply.
The fan(s) do(es) not get
started.
Jammed motor.
Automatic circuit breaker
tripping following the fan High current consumption due to short circuit in power line.
turning on
The fan impeller is soiled.
The fan or casing screw connection is loose.
Noise, vibration
The ventilation system components (air ducts, diffusers, louvre
shutters, grilles) are clogged or damaged.
22
24V – 24 V DC power supply.
10V – 10 V DC power supply for a speed control potentiometer.
GND – DC power supply grounding.
D1 – analogue input for speed setting compatible with 0-10 V signal or external potentiometer.
E1 – 0-10 V input direct current signal for speed setting.
RC – NO-contact closes in case of alarm (switching parameters: 250 V AC, 2 A).
PE – protective grounding.
L1 – power supply phase.
QF – circuit breaker.
R1/010 – the speed controller.
Possible reasons
Power
1~230 V 50/60 Hz
Troubleshooting
Make sure the power supply line is connected correctly, otherwise
troubleshoot a connection error.
Turn off the fan. Troubleshoot the motor jamming. Restart the fan.
Turn off the fan. Contact the Seller.
Clean the impellers.
Tighten the screw connection of the fan or the casing against stop.
Clean or replace the ventilation system components (air ducts,
diffusers, louvre shutters, grilles).
ENG