Troubleshooting And Guide For The Owner - Carrier 30RA015 Manual De Instalación

30RA015 "B"
Troubleshooting, guide for the owner and accessories
Troubleshooting
Unit compressor and fan will not start:
• Unit not energized; check the mains power connections.
• Mains switch OFF; check and put in the ON position.
• Main switch fuses have blown; replace.
• Wait for 2 minutes; compressor cycling protection is on.
• Pressure switch open; check and eliminate cause.
• Mains voltage too low.
• Electrical connections loose or wrong; check and repair.
Compressor will not start, but unit fan is running:
• Electrical connections of compressor loose or wrong; check and
repair.
• Compressor burnt out, seized or protection device open; check for
the cause and replace compressor if necessary.
• Run capacitor faulty (single-phase models); replace.
Compressor starts, but stops due to its overtemperature
protection (other than stops caused by the normal operation of
the thermostat):
• Wrong refrigerant charge (excessive or low) or air or other non-
condensable gases in the circuit; drain refrigerant (see note 1),
evacuate and recharge.
• Mains voltage wrong (too high or too low).
• Condenser coil obstructed; remove obstructions.
• Fan off; check cause and repair.
• Run capacitor faulty; check and replace.
• Indoor unit thermostat faulty; replace.
• Refrigerant circuit clogged; check and remove obstructions.
• Reversing valve faulty in heat pump models; replace.
• Expansion device clogged or covered with ice; drain refrigerant
(see note 1), evacuate and recharge.
Compressor runs continuously:
• Unit selected too small for actual air conditioning needs.
• Water temperature selection too low (if in cooling) or too high (if in
heating, for heat pump models); check temperature selection.
• Refrigerant charge low; check and add refrigerant.
• Outdoor unit fan faulty; replace.
• Air or other non-condensable gases in the circuit; drain refrigerant
(see note 1), evacuate and recharge.
• Obstruction in the air intake or dirty indoor unit filters; remove
obstruction or clean filter.
Discharge pressure too high:
• Coil dirty or obstructed; clean or remove obstructions.
• Water flow rate is insufficient or the pump is faulty (during hea-
ting); replace.
• Refrigerant charge too high; drain some refrigerant (see note 1).
Table IX: Accessories
Description
AqUASNAP jUNIOR remote controller
Aquasmart control
Service interface
(1)
Mechanical water filter
: Exclusively for service use
NOTE
(1)
GB - 12
• Air or other non-condensable gases in the circuit; drain refrigerant
(see note 1), evacuate and recharge.
Discharge pressure too low:
• Refrigerant charge too low; add refrigerant.
• Water filter dirty; clean filter.
Suction pressure too high:
• Internal high pressure relief valve open; check for cause and
repair.
• Refrigerant charge too high; drain some refrigerant (see note 1).
Suction pressure too low:
• Refrigerant charge too low; add refrigerant.
• Expansion device or suction line clogged: check and repair.
Fan cycling due to its overtemperature protection:
• Fan capacitor faulty; replace.
• Electrical connections loose; check connections.
• Fan bearing seized; check and repair.
• Expansion device clogged or covered with ice; drain refrigerant
(see note 1), evacuate and recharge.
Note 1:
Do not release refrigerant to the atmosphere; use refrige-
rant recovery equipment.
Guide for the owner
When installation and tests are completed explain the Operation
and Maintenance Manual to the owner, with particular attention to
the main operating modes of the air conditioner, such as:
• Turning the unit on and off.
• Control functions.
In the event of a fault or malfunctioning, check the error code
shown on the remote control or at the LED on the board in the
chiller control panel.
Part number
30RAj9002
CEAS430408-01SA
30RAj9003
30RAj9004
Mod. 30RA
015
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