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NOTHING Dist: 3, 3a, 3b, 3c EVAPORATORS AND AIR COOLERS AGHN/AXGHN, MANP/MXANP, MDAN/MDXAN, AGBF, GHN, MDN, and GGHN This manual contains rigging, assembly, start-up, and maintenance instructions. Read thoroughly before beginning installation. Failure to follow these instructions may result in personal injury or death, damage to the unit, or improper operation.
WARRANTY STATEMENT FRICK warrants the product to be free from defects in workmanship and materials under normal usage for a pe- riod of 24 months from the date of purchase (the “Warran- ty Period”), provided that the product is correctly installed...
Record any unit damage and shortages on the bill of ant connection end of the unit. lading and report to the carrier and FRICK factory immediately. Shipping and handling damages are not • Ensuring optimum performance of the unit with unob- warranty items.
610.020-IOM (NOV 19) EVAPORATOR AND AIR COOLER Page 6 INSTALLATION - OPERATION - MAINTENANCE Operation Electrical wiring FIELD WIRING PRE START-UP WARNING • Check all electrical and refrigerant connections. • Ensure unit voltage as indicated on the nameplate All wiring must be undertaken by qualified personnel matches supply voltage.
EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 7 For direct expansion units, select expansion valves in ac- NOTICE cordance with selection data and as required by expansion valve manufacturer. Use expansion valves with external Use copper conductors only.
610.020-IOM (NOV 19) EVAPORATOR AND AIR COOLER Page 8 INSTALLATION - OPERATION - MAINTENANCE Incorporate a soft start hot gas solenoid valve in the valve Defrost station into evaporators with capacities greater than 15 tons (52 kW). This valve allows the coil to ease up to the All air coolers operating with coil surface temperatures hot gas pressure and prevents problems such as check beneath freezing (32°F [0°C]) experience some form of...
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EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 9 Table 3: Defrost types based on room temperature Water Electric Hot gas Temperature defrost defrost defrost defrost High temperature > 40°F (4.4°C) Medium temperature > 20°F (-6.7°C) < 40°F (4.4°C) Low temperature <...
PACKING INFORMATION WATER DEFROST All FRICK air coolers are crated so they can be removed For water defrost to function correctly it is essential that from a truck with a forklift or a crane. When lifting any an adequate supply of suitably warm water (>...
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EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 11 Leave the skid on the unit and use this to lift the unit with Figure 2b: Unit placement and airflow, two units a forklift. Only remove the skid once the unit is mounted to the ceiling supports.
INSTALLATION - OPERATION - MAINTENANCE RIGGING Step 3 Remove all crating from the top and sides of the skid. AGHN/GHN/GGHN/MHF (<071 Ø) Leave the unit on the skid. Step 1 When shipped, units are stacked, but individually skidded. Step 4 Step 2 Secure hangers to the ceiling.
EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 13 AGHN/GHN/GGHN/MHF (071 Ø and >) Step 3 Leave the unit on the skid and place forks under the full Step 1 span of the skid. Units shipped with heavy duty plastic wrap on the skid.
610.020-IOM (NOV 19) EVAPORATOR AND AIR COOLER Page 14 INSTALLATION - OPERATION - MAINTENANCE Step 3 Place forks under the full span of the skid. Step 1 As shipped, units are stacked, but individually skidded. Step 2 Step 4 Remove all crating from the top and sides of the skids. Secure hangers to the ceiling.
EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 15 MANP Step 3 Step 1 a. Remove the plastic wrap and shipping supports. Units shipped with heavy duty plastic wrap on the skid. b. If unit is foot mounted, remove the skid. If unit is ceiling hung, leave the skid in place and secure the hangers to support rods.
610.020-IOM (NOV 19) EVAPORATOR AND AIR COOLER Page 16 INSTALLATION - OPERATION - MAINTENANCE GBF/AGBF/GGBF Step 3 Leave the unit positioned on the skid. Place forks under Step 1 the full span of the skid. Units shipped with heavy duty plastic wrap on the skid. Step 2 Step 4 Remove plastic wrap and support members from the unit.
EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 17 MBK/AGBK/MGBK Step 3 Place forks under the full span of the skid. Step 1 Units are shipped stacked, but individually skidded. Step 2 Step 4 Remove all crating from the top and sides of skids. Leave Secure hangers to the ceiling.
610.020-IOM (NOV 19) EVAPORATOR AND AIR COOLER Page 18 INSTALLATION - OPERATION - MAINTENANCE Maintenance Figure 3: Drain pan FAN MOTORS AND HEATERS The only electrical components vulnerable to potential malfunction are the fan motors and electrical defrost heaters. In the event of motor or heater failure, remove the affected motor from the unit and test separately.
EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 19 CLEANING CAUTION WARNING Do not use acidic chemical coil cleaners. Do not use alkaline chemical coil cleaners that, after mixing, All power must be disconnected and locked out before have a ph value greater than 8.5 without also using any cleaning.
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610.020-IOM (NOV 19) EVAPORATOR AND AIR COOLER Page 20 INSTALLATION - OPERATION - MAINTENANCE Table 10: Air cooler troubleshooting guide (continued) 4. Coil not clearing of frost during Insufficient defrost cycles in 24 hour period Increase defrost frequency defrost cycle Defrost cycle too short Adjust defrost setting for increased dura- tion...
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EVAPORATOR AND AIR COOLER 610.020-IOM (NOV 19) INSTALLATION - OPERATION - MAINTENANCE Page 21 NOTES...
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