Troubleshooting - Carrier SOPRANO 50 Operating Instructions Manual

Direct spraying of water on the exchanger is prohibited. When the
ramps are mounted on site, the nozzles must be oriented outwards at an
angle of 45 °, cf. diagram beside.

TROUBLESHOOTING

6-
les of faults
FAULT
Condensing Pressure too high
Condensing Pressure too low
Fans not working
PROBABLE CAUSE
Insufficient air flow into condenser.
Installation overcharged with fluid.
Air or non-condensable gas in the HP circuit.
Fan cut-in incorrectly set.
Motor out of order.
Main power lower than acceptable range.
Phase missing.
Manufactured in France by PROFROID CARRIER S. C. S
178, rue du Fauge - ZI Les Paluds - B.P. 1152 - 13782 Aubagne Cedex - France
International: Tel. (33) 4 42 18 05 00 - Fax (33) 4 42 18 05 02
ACTION REQUIRED
Clean condenser.
Check fan motors.
Drain liquid into reservoir.
Purge
Adjust pressure switch.
Replace
Check current values with a voltmeter.
Measure current between phase and
motor terminal block.