AIR CONDITIONER (SPLIT TYPE) Installation manual Outdoor Unit Model name: RAV-SP180AT2-UL For OUTDOOR USE only Not accessible to the general public Vente interdite au grand public Kein öffentlicher Zugang Non accessibile a clienti generici No destinado al público en general Não acessível ao público em geral Niet geschikt voor huishoudelijk gebruik Μη...
Outdoor Unit Please read this Installation Manual carefully before installing the Air Conditioner. • This Manual describes the installation method of the outdoor unit. • For installation of the indoor unit, refer to the Installation Manual attached to the indoor unit. This Air Conditioner uses R410A an environmentally friendly refrigerant.
Outdoor Unit ACCESSORY PARTS Part name Installation manual Drain nipple Waterproof rubber cap NOTE Use drain nipple and waterproof rubber cap as necessary. 3-EN Q’ty Shape This manual (Hand this directly to the customer.) – 3 – Installation Manual Usage...
Outdoor Unit SYSTEM REQUIREMENTS Piping (Field supplied) • Minimum refrigerant line length between the outdoor unit and indoor unit is 16.5” (5 m) • Maximum pipe lengths Allowable Height difference pipe length (Indoor-outdoor H) (ft (m)) (ft (m)) Total length Indoor unit: Outdoor unit: Upper...
Outdoor Unit PRECAUTIONS FOR SAFETY Installing, starting up, and servicing air--conditioning equipment can be hazardous due to system pressures, electrical components, and equipment location (roofs, elevated structures, etc.). Only trained, qualified installers and service mechanics should install, start--up, and service this equipment. Untrained personnel can perform basic maintenance functions such as cleaning coils.
Outdoor Unit • When the air conditioner cannot cool or heat a room well, contact the dealer from whom you purchased the air conditioner as refrigerant leakage is considered as the cause. In the case of repair that requires refill of refrigerant, ask service personnel about details of the repair. The refrigerant used in the air conditioner is harmless.
Outdoor Unit INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER New Refrigerant Air Conditioner Installation • THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT (R410A) WHICH DOES NOT DESTROY OZONE LAYER. R410A refrigerant is apt to be affected by impurities such as water, oxidizing membrane, and oils because the working pressure of R410A refrigerant is approx.
Outdoor Unit Installation Location WARNING Install the outdoor unit in a location that can support the weight of the outdoor unit. Insufficient durability may cause the outdoor unit to fall, which may result in injury. CAUTION Do not install the outdoor unit in a location that is subject to combustible gas leaks.
Outdoor Unit Required Clearances Barrier at rear side ▼ Upper side is free 1. Single unit installation 2. Barrier on right, left and rear. 5.9” (150) or more 3. Multiple units installation 5.9” 11.8” (150) (300) or more or more The height of the obstacle should be lower than the height of the outdoor unit.
Outdoor Unit Barriers in front and back of unit Open above and to the right and left of the unit. The height of an barrier in both the front and rear of the unit, should be lower than the height of the outdoor unit.
Outdoor Unit 3) Place unit on stand. Make sure it is level and fasten securely to the stand. • As shown in the figure below, install the foundation and vibration-proof rubber pads to directly support the bottom surface of the fixing leg that is in contact with the bottom plate of the outdoor unit.
Outdoor Unit REFRIGERANT PIPING CAUTION TAKE NOTE OF THESE 4 IMPORTANT POINTS BELOW FOR PIPING WORK 1. Keep dust and moisture away from inside the connecting pipes. 2. Tightly connect the connection between pipes and the unit. 3. Evacuate the air in the connecting pipes using a VACUUM PUMP.
Outdoor Unit • After the installation work, be sure to check for gas leaks of the pipe connections with nitrogen. NO GOOD CAUTION 1. Do not put the crescent wrench on the charge orifice or cover. The valve may be broken. 2.
Outdoor Unit ELECTRICAL CONNECTIONS WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death. • The unit cabinet must have an uninterrupted or unbroken ground to minimize personal injury if an electrical fault should occur. The ground may consist of electrical wire or metal conduit when installed in accordance with existing electrical codes.
Outdoor Unit EVACUATE AND DEHYDRATE THE SYSTEM CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation. Never use the system compressor as a vacuum pump. Refrigerant tubes and indoor heat exchanger should be evacuated using the recommended deep vacuum method of 500 microns.
Outdoor Unit Triple Evacuation Method chart EVACUATE ▼ BREAK VACUUM WITH DRY NITROGEN ▼ WAIT ▼ EVACUATE ▼ BREAK VACUUM WITH DRY NITROGEN ▼ WAIT ▼ EVACUATE ▼ CHECK FOR TIGHT, DRY SYSTEM (IF IT HOLDS DEEP VACCUM) ▼ RELEASE CHARGE INTO SYSTEM Final Tubing Check IMPORTANT: Check to be certain factory tubing on both indoor and...
Outdoor Unit FINISHING After the refrigerant pipe, inter-unit wires, and drain pipe have been connected, make sure they are supported and fixed in place for the entire length. Keep the power wires and system interconnection wires away from all factory wiring and piping. TEST RUN •...
Outdoor Unit UNIT PUMP DOWN • Use the refrigerant recovery switch on the terminal block of the outdoor units to pump down the unit. Procedure 1. Start cooling operation for a while, and then stop the operation. 2. Turn on the power of the air conditioner. 3.