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AIRREX H a  P

AHSC-18

USER’

S MANUAL

▶ Thank you for purchasing an AIRREX Heat Pump.

BEFORE operation please read this user’

s manual carefully.

▶ Keep this manual readily available.
▶ It is ESSENTIAL that you read the 

‘NOTES ON SAFETY’carefully

before use and follow them at all times.

▶ The Heat Pump is specified for use on a 115V`~, 60Hz,1Ph 

single phase power supply. You must check that the local
electricity supply is the same and have the appropriate plug fitted
by a qualified electrician.

▶ The Warranty form is on Page 15. Please complete it now and keep

in a safe place. 

▶ We have a policy of continual improving to our products. 

The contents (features and specifications) in this manual are
therefore subject to change without notice.

Summary of Contents for AHSC-18

Page 1: ...m at all times The Heat Pump is specified for use on a 115V 60Hz 1Ph single phase power supply You must check that the local electricity supply is the same and have the appropriate plug fitted by a qu...

Page 2: ...ONS OPERATION Running Stop SELECTION of AREA ROOM or SPOT COOLING or HEATING ECONOMIC MODE COOLING or HEATING TEMPERATURE CONTROL OPERATION HOW TO SET THE OFF TIMER ERROR and WARNING INDICATORS FIRE A...

Page 3: ...t Otherwise risk of electric shock Do not place anything on top of the machine This could cause electric shock malfunction or injury Do not use an extension cord Risk of fire and or electric shock Ens...

Page 4: ...cate exhaust outlet through a window or door to outside Exhaust ducting should be no longer than 6 6 ft for maximum efficiency Ensure correct electricity supply CAUTION Do not place Heat Pump on uneve...

Page 5: ...ONT VIEW BACK VIEW LOUVER CONDENSER OUTLET DIGITAL CONTROLLER CASTERS 4 FRONT LOCKABLE CASTERS 4 REAR NO LOCK SERVICE COVER 1 CONDENSER FILTER EVAPORATOR FILTER SERVICE COVER 2 FIRE ALARM CONNECTION P...

Page 6: ...e is for Room temp If the LED is Off the displayed temperature is for spot temp Comp When the compressor is operating the LED is On Error Error signal E1 High Pressure E2 Low Pressure E3 Sensor AF ANT...

Page 7: ...s the POWER button once again 2 If you wish to operate on heating press HEAT button 3 If you wish to operate on fan only press the COOL button To resume cooling press the COOL button again Note There...

Page 8: ...ooling of machinery servers or people etc select Spot Cooling or Heating 2 If you want to change temperature unit push and button simultaneously for three seconds If the compressor operation is stop i...

Page 9: ...3 The display showing the set temperature will blink 3 times COOLING MODE 4 Display range Setting range HEATING MODE 9 COOLING or HEATING TEMPERATURE CONTROL OPERATION Cooling operates when Room Spot...

Page 10: ...you press the button you will increase the time to off period by 30min up to 10 hours and 1 hour thereafter up to 24 hours The display will show 0 5 for 30min and 1 0 for an hour e g One and half hou...

Page 11: ...ght will be on 3 HIGH PRESSURE E1 is displayed and the Error LED will be on when the pressure of the compressor is too high and the high pressure switch is open 4 LOW PRESSURE E2 is displayed and the...

Page 12: ...26 AWG for a solid wire or 16 AWG to 22 AWG for a stranded wire with ring terminal for 5 stud size 3 Connect the end of the error signal wire to ER1 and ER2 and the other end to the compatible with v...

Page 13: ...ISPLAY CONDITIONS NO Error Display Error condition Error LAMP Error Signal Output 1 E1 High pressure Error ON 2 E2 Low pressure Error ON 3 E3 Sensor Problem Error ON 4 FU Water Full Water Full ON 5 AF...

Page 14: ...d air 3 Clean evaporator and condenser units with a vacuum cleaner or compressed air MAINTENANCE 1 After cleaning completely dry the inside of the unit by operating on Fan Mode only for 3 to 4 hours 2...

Page 15: ...k load capacity and reset tripped Ambient temp too high Use only below Cooling 113 Heating 81 Cooling over 113 Heating over 81 Filter blocked with dust Clean Filter Dust in heat exchanger Clean heat e...

Page 16: ...00 5 42 Cooling current Power consumtion Heating current Power consumtion Cooling Capacity Heating Capacity AHSC 18 Power Supply 115V 60Hz 1Ph inch 19 5 X 26 6 X 52 2 Weight lb 210 Evaporator Air Flow...

Page 17: ...iod of warranty subject to the following warranty conditions 1 The warranty period is 12 months from the date of first purchase 2 If the problem has been caused by customer error or misuse abuse or da...

Page 18: ...18 MEMO...

Page 19: ...19 MEMO...

Page 20: ...02 5519 E mail airrex hdtek com Website www airrex co kr Designs and specifications of products are subject to change without prior notice for the improvement of products USA DISTRIBUTOR AIRREX USA P...

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