SYSVRF2 Indoor unit GB VRF DC Indoor units OWNER MANUAL
Thank you for purchasing this air conditioning unit. Read this manual carefully before using the unit and retain it for future reference.
CONTENTS PAGE Toxic fumes may be produced if the refrigerant in this unit comes into contact with naked flames (such as from a heater, gas stove/burners, or electric appliances). IMPORTANT SAFETY INFORMATION..........................................................1 If this unit is used in the same room as a cooker, stove, hob, or burner, ventilation for sufficient fresh air must be ensured, otherwise the oxygen concentration will fall, which may cause injury. PART NAMES................................
Ensure that the unit is properly grounded, otherwise electric shocks or a fire may result. Electrical surges (such as those that can be caused by lightning) can damage electrical equipment. Ensure that suitable surge protectors and circuit breakers are properly installed, otherwise electric shocks or a fire may result. Do not dispose of this product as unsorted waste. It must be separately collected and processed.
2. PART NAMES ■ Ceiling-floor type(80-90kW) The figure shown above is for reference only and may be slightly diffferent from the actual product. ■ Four-way cassette type Horizontal Air Outlet Louver Air Outlet Louver (adjustable) for in-situ adjustment to three-direction or two-direction, please contact the local dealer . Air Intake Grounding Screw (in the control box) Air Filter(inside) Fig.
■ One-way cassette type(45-71kW) ■ Medium static pressure duct type Air Intake Electric Control Box Cable Inlet Electric Control Box Air Intake Water Plug (for maintenance) Air Outlet Air Outlet Heat Exchanger Fig.2-6 Fig.2-9 ■ Wall-mounted type Air Intake ■ Console type Installation part Air Outlet Louver Display Panel Air Filter(inside) Horzontal Air Outlet Louver Air Outlet Air intake Fig.2-7 Drain pipe Air Outlet Louver ■ High static pressure duct type Air Intake Fig.
● F5 underside air intake(Version II) 3. Vertical unit with casing. Underside air intake and top air outlet. It can be installed on the floor,or hung on the wall. AIR CONDITIONER OPERATIONS AND PERFORMANCE Air Outlet Louver The operating temperature range under which the unit runs stably are given in Table 3-1.
● Avoid too much outdoor air coming into air-conditioned NOTE spaces. During heating operation, horizontal airflow will aggravates the uneven distribution of room temperature. Close doors and windows. The louver direction: Horizontal airflow is recommended during cooling operation. Note the downward air flow will cause condensation on the air outlet and louver surface. ■ ● Note that outlet air is cooler or heater than set room temperature.
● ■ When cooling ● adjust the louver horizontally Ceiling-floor type Auto-swing Press SWING and the louver will swing up and down (left and right) automatically. Fig.4-4 ● When heating adjust the louver downward Fig.4-9 ● Manual swing Adjust the louver to improve the cooling or heating effect. Fig.4-5 ■ ● Wall-Mounted type ■ Adjust the air direction up and down ● Auto-swing Press SWING and the louver will swing up and down automatically. When cooling Adjust the louver horizontally. Fig.
● When cooling Adjust the louver horizontally. (Refer to Fig.4-13) ● Table 4-1 When heating Operating mode Adjust the louver downward (vertically). (Refer to Fig.4-14) Situation Blowing pattern Fig.4-13 When the room is cool or after running the air conditioner for one hour. heating mode At the start At times other than those of the below. (Normal time.) operation or at other times when the room is not fully cooled.
● ■ Manual swing Adjust the louver to improve cooling or heating effect. ● ● The air filter can prevent the dust or other particles from entering the unit. If the filter is blocked, the unit will not work well. Clean the filter every two weeks when you use it regularly. When cooling ● If the air conditioner is positioned in a dusty place, clean the filter Adjust the louver horizontally. often. ● Fig.
Hold the tabs of the frame, and remove the claws in the four places. (The special function filter can be maintained by washing it with water once every six months. We recommend replacing it once every three years.) ● For One-Way Cassette Type Remove the air intake grille, hold the air intake buckle with two hands and open the grille downwards, pull it to the inside, and push the filter buckle to remove the grille. Air filter Fig.5-3 Special function filter Fig.5-8 Fig.
Inhalation grating Fig.5-11 Fig.5-15 Fig.5-12 Fig.5-16 CAUTION Do not dry out the air filter under direct sunshine or with fire. For one-way cassette type, the air filter should be installed before the unit body. Fig.5-13 ■ Press the filter on one side and release it according to the arrows in below figure.Repeat above steps on the other side to remove the filter.Put it back after cleaning. 4. Re-install the air filter. Air Intake 5.
Symptom 3: The unit emits sounds Maintenance after a long period of non-use Check for and remove anything that might be blocking the inlet and outlet vents of the indoor units and outdoor units. A continuous sound (other than that made by the unit's fan) is heard when the unit is running in cooling mode. This is caused by the unit's drain pump (on units that have a drain pump). Clean the unit casing and clean the filter. Refer to [Cleaning the filter] and "Cleaning the filter" for instructions.
WARNING Do not attempt to inspect or repair this unit yourself. Arrange for a qualified technician to carry out all servicing and maintenance. 7.2 Unit troubleshooting Table 7-1 Symptom The unit does not start Possible causes - A power cut has occurred (the power to the premises has been cut-off). - The unit is powered off. - The power switch fuse may have burned out. - The remote controller’s batteries are dead. Troubleshooting steps - Wait for the power to come back on. - Power on the unit.
7.3 Remote controller troubleshooting WARNING Certain troubleshooting steps that a professional technician may perform when investigating an error are described in this owner's manual for reference only. Do not attempt to undertake these steps yourself – arrange for a professional technician to investigate the problem. If any of the following errors occur, power the unit off and contact a professional technician immediately.
7.4 Error codes With the exception of a mode conflict error, contact your supplier or service engineer if any of the error codes listed in Table 7-3 are displayed on the unit's display panel. If the mode conflict error is displayed and persists, contact your supplier or service engineer. These errors should only be investigated by a professional technician. The descriptions are provided in this owner's manual for reference only. Table.7-3 Content NO.
16126000003108 V1.
