Airedale SmartCool 11-233kW Manuel d'utilisateur télécharger pdf (Page 215)

Precision Air Conditioning

SmartCool

– D

Precision Air Conditioning

215

Installation, Maintenance and Commissioning Manual :6877419 02/2013

Troubleshooting

Airedale Matched Outdoor Units

FAULT

POSSIBLE CAUSE

REMEDY/ACTION

Unit will not start

No power Check power supply to the controller

Wired incorrectly Check wire connections in accordance with wiring

diagram on control box lid

Loose wires Check all wires, connections, terminals etc

Head press

ure too high

Condenser coil clogged or dirty Clean condenser

Overcharge of refrigerant, normally troublesome

in warm weather

Reclaim excess refrigerant from system

Air or other non

-condensable gas in system Evacuate system and re-charge with new

refrigerant

Head pressure controller faulty Refer to Indoor unit

Fan not operating or operating inefficiently Refer to Indoor unit

Head pressure too low

Fan operating too fast in low ambient conditions Refer to Indoor unit

Condenser fan no

t operating

power on

Power supply failure Check power supply at circuit breaker

Wiring to motor Check voltage at motor terminals

Motor / fan assembly jammed Isolate unit and check free rotation of motor/fan

assembly, if faulty - replace

Motor internal overheat protector tripped Carry out continuity check at terminals “TK” in

motor terminal box, if tripped and motor hot -

check bearings, if tripped and motor cold -

replace

motor

Faulty motor windings/capacitor Motor humming would indicate fault in motor or

capacitor, check windings for continuity and if OK

replace capacitor

Minimum speed set too low Refer to Indoor unit

Faulty pressure sensor Check electrical connections are secure at

controller and pressure sensor, replace controller

and sensor (as they are matched sets)

Faulty fan speed controller Refer to Indoor unit

Condenser fan runs too fast

High ambient condition or excessive re-

circulation of air around condenser coil

Check installation against design

Minimum set speed setting incorrect Adjust as necessary

Incorrect pressure sensor setting Adjust sensor screw as necessary

Faulty fan speed controller Refer to Indoor unit

Faulty pressure sensor Refer to Indoor unit

Condenser fans runs only

slowly

Incorrect pressure setting Adjust sensor screw as necessary

Faulty fan speed controller Refer to Indoor unit

Faulty pressure sensor Refer to Indoor unit

Motor/capacitor faulty Replace

OUTDOOR

1 2 ... 210 211 212 213 214 215 216 217 218

Commentaires sur ces manuels

Pas de commentaire

Airedale SmartCool 11-233kW Manuel d'utilisateur Page 215

Commentaires sur ces manuels

Produits connexes et manuels pour Adoucisseurs Airedale SmartCool 11-233kW