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GMC EVAPORATIVE AIR COOLER
Thank you for your choice of GMC evaporative air cooler.
This manual provides you with information of GMC evaporative air cooler technical data, wire
diagram, installation, operation, maintenance and troubleshooting. Please read this manual
carefully before operation.
We believe that cooling and fresh air of GMC evaporative air cooler will bring you with comfort
and health.
GMC EVAPORATIVE AIR COOLER –IMPORTANT NOTES
1- After turning on the cooler, be sure that water pump should work for 3 minutes first, let water
evenly distributed onto cooling pads, then start fan and adjust fan speed. This step is very
important to prevent water drop from splashing on motor and helpful to prolong motor
lifespan.
2- Ensure the single-phase voltage is ± 5%. Too low or high voltage may cause damage to
cooler.
3- Before running cooler, please fill water tank with water, otherwise, cooler can not work
properly or even cause damage to water pump.
4- Do not use cooler inside an enclosed space; the places must be sufficiently ventilated.
TECHNICAL MANUAL
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Summary of Contents for GMC GMCAB18
- Page 1 This manual provides you with information of GMC evaporative air cooler technical data, wire diagram, installation, operation, maintenance and troubleshooting. Please read this manual carefully before operation. We believe that cooling and fresh air of GMC evaporative air cooler will bring you with comfort and health. GMC EVAPORATIVE AIR COOLER –IMPORTANT NOTES 1- After turning on the cooler, be sure that water pump should work for 3 minutes first, let water evenly distributed onto cooling pads, then start fan and adjust fan speed.
- Page 2 GMC EVAPORATIVE AIR COOLER –TECHNICAL DATA Technical data of GMC Evaporative Air Cooler AB18 Variable speed Single-phase Motor Six-speed Effective space 120-150M Variable-frequency motor Power supply 220V 50 Hz Water supply 20-30L/H Motor power 0.55-1.1 KW Air outlet size 670 mm × 670 mm...
- Page 3 5- SWING Not used. GMC EVAPORATIVE AIR COOLER – MAINTENANCE 1- If the cooler is used in very sandy and dusty areas, cooling pads should be often cleaned to ensure cooling efficiency. When cleaning, do not use high pressure water, hot water (up to 40 ℃) or chemical detergents.
- Page 4 GMC EVAPORATIVE AIR COOLER –TROUBLESHOOTING Malfunction Check Solution No menu on LCD 1. Check if cooler is energized. 1. Plug again and ensure power supply panel 2. Check if signal wire connection is correct. 2. Turn off and re-connect signal wire.
- Page 5 1. Check if water level is too high in water sump. 1. Adjust float valve and make water level 2. Check if cooler is installed horizontally. 7-10 CM high. Water overflow from 3. Check if sealing ring of float valve is in good condition. 2.