Page 2 - Rooftop Installations; These units require special location consideration in; Rigging; When raising and setting; Safe Refrigerant Handling; Never purge refrigerant into an enclosed room or; WARNING
2 12" 12" 12" 60" 24" This unit can be located at ground floor level or on flat roofs.At ground floor level, the unit must be on a solid, level foun-dation that will not shift or settle. To reduce the possibility ofsound transmission, the foundation slab should not be in con-tact...
Page 3 - Never fill a cylinder more than 80% full of liquid re-; CAUTION; For improved refrigerant management, equip the; Refrigerant Lines; If changing refrigerant types, ensure the indoor coil
3 To avoid possible explosion: Never apply flame or steam to a refrigerant cylinder. If you must heat a cylinder for faster charging, partially immerse it in warm water. Never fill a cylinder more than 80% full of liquid re- frigerant.• Never add anything other than R410A to an R-410A cylinder. The ...
Page 4 - IMPORTANT; The ends of the refrigerant l; System Evacuation; Do not open valves; REFRIGERANT UNDER PRESSURE!; and
4 Burying Refrigerant Lines If burying refrigerant lines can not be avoided, use the follow-ing checklist. 1. Insulate liquid and suction lines separately. 2. Enclose all underground portions of the refrigerant lines in waterproof material (conduit or pipe) sealing the endswhere tubing enters/exits ...
Page 5 - Electrical Connections; must; be in; MAXIMUM ALLOWABLE LENGTH IN FEET; It is the contractors’s responsibility to follow the
5 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 0 1 2 3 4 5 6 7 8 9 10 LEAK(S)PRESENT MINUTES V AC U U M IN MI CR O N S CONDENSIBLES OR SMALLLEAK PRESENT NO LEAKSNO CONDENSIBLES Refer to the Remote Condensing Unit Service Manual formore detailed instructions on system evacuation, preliminarycharg...
Page 7 - NOTICE; Final Charge Adjustment; Outdoor Temperature Below 60oF.; Defrost Control Adjustments
7 CAUTION NOTICE Violation of EPA regulations may result in fines or otherpenalties. Operating the compressor with the suction valve closed willvoid the warranty and cause serious compressor damage. CAUTION Final Charge Adjustment The outdoor temperature must be 60°F or higher. Set theroom thermosta...
Page 8 - Qualified Installer/Servicer Only
8 Both coil temperature and compressor “run time” determinedefrosting of the outdoor coil. Adjustments to the defrost tim-ing selection can be changed from the 60 minute factory set-ting to either 30 or 90 minutes by moving the jumper on thedefrost control. For the system to initiate a defrost, the ...
Page 9 - TROUBLE SHOO TING ANALY SIS T ABLE; Dirty Filters
9 TROUBLE SHOO TING ANALY SIS T ABLE COM PL AINT PR OBAB LE CAUSE REM EDY 1. High Head Pressure 1. Excessive charge of refr igerant in system. 2. Inadequate supply of air across the condenser coil. 3. Non- condensate gases in the system. 1. Purge or pump- down excessi ve charge. 2. Make certain that...
Page 10 - Wiring Diagram
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring. H IG H V O LTA G E ! D IS CO NNE CT AL L PO WER BE F O RE SE R V IC IN G OR IN S T A LLI N G TH IS UNI T . M U LTI P L E PO WER S O U RCE S MA Y BE PR E S EN T . F AIL U RE TO DO SO MA Y CAU S...
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