User manual HAIER HSU-12HT03

[. . . ] Install an exclusive branch circuit of the power. A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it. Selection of pipe To this unit, both liquid and gas pipes shall be insulated as they become Iow temperature in operation. Use optional parts for piping set or pipes covered with equivalent insulation material. [. . . ] Find the wall hole location A using a measuring tape B= 60mm A=145mm When the mounting plate is fixed side bar and lintel Fix to side bar and lintel a mounting bar, Which is separately sold, and then fasten the plate to the fixed mounting bar. Refer to the previous article, " position of wall hole. When the mounting plate is first fixed ", for the 2. Making a Hole on the Wall and Fitting the Piping Hole Cover Make a hole of 60 mm in diameter, slightly descending to outside the wall. Install piping hole cover and seal it off with putty after installation Indoor side Wall hole 60mm Outdoor side Thickness of wall (Section of wall hole) G Piping hole pipe 3. Installation of the Indoor Unit Drawing of pipe [ Rear piping ] Draw pipes and the drain hose, then fasten them with the adhesive tape [ Left Left-rear piping ] In case of left side piping, cut away, with a nipper, the lid for left piping. In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear piping which is marked on heat insulation materials. 3 30mm Indoor unit 1. Insert the drain hose into the dent of heat insulation materials of indoor unit. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them. Coat the flaring seal face with refrigerant oil and connect pipes. Cover the connection part with heat insulation materials closely, and make sure fixing with adhesive tape Heat insulation material Lid for right piping Lid for under piping Lid for left piping Drain hose Piping Indoor/outdoor electric cable Fix with adhesive tape Indoor/outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape. [Other direction piping] Cut away, with a nipper, the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole. When bending, be careful not to crash pipes. Connect beforehand the indoor/outdoor electric cable, and then pull out the connected to the heat insulation of connecting part specially. Fixing the indoor unit body Hang surely the unit body onto the upper notches of the mounting plate. Fix the cable with a clamp. 4. Attaching Drain-Elbow If the drain-elbow is used, please attach it as figure. (Note: Only for heat pump unit. ) 6 Outdoor unit 5. Purging Method: Push the air out of the indoor unit and piping as followes: (1) Remove the valve cap on 2-way valve in outdoor unit. (2) Loosen by 1/2 turn the flare nut of gas pipe, which is is conneted to 3-way valve. (3) Loosen 2-way valve by 90o using hexagon wrench, and after approx. 10 sec tighten it up. Gas comes out through flare nut on wide pipe. If no gas is discharged, tighten flare nut with specified torque. (4) Open 2-way and 3-way valves using specified torque. (5) Tighten the caps on the valves with specified torque. Tighten torque N. m Valve rod Valve cap 7-9 20-25 2-way valve 6. 35mm(1/4") 6. 35mm(1/4") 3-way valve 9. 52mm(3/8") 12. 70mm(1/2") HSU-12HT03 HSU-12LEK03 HSU-09LEK13 HSU-12LEK13 HSU-07HEK03 HSU-09HEK03 HSU-12HEK03 When connecting pipe exceeds 5 meters, 20g refrigerant shall be added per exceeding meter. Charge according to the following list. for 7k 9k 12k Piping length Additional amount 5m No need 7m 40g 10m 100g Indoor unit Outdoor unit A Outdoor unit A B Indoor unit B Outdoor unit A C Oil trap Indoor unit B Max. Elevation: B=5m Max. Length: for 7K 9K : A=7m for 12K : A=10m CAUTION In case more than 5 metresoil trap C should be installed every 5~7m. Note: When extending piping, air inside piping shall be removed by using external refrigerant gas, charge according to the following list. Brand new outdoor unit is charged 50g more refrigerant than regulated weight. [. . . ] During this procedure, 50g refrigerant will be discharged in piping. (This must be strictly controlled within 90o and 10 sec. ) 7 1. Power Source Installation The power source must be exclusively used for air conditioner. (Over I0A) In the case of installing an air conditioner in a moist place, please install an earth leakage breaker. For installation in other places, use a circuit breaker as far as possible. 2. Cutting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed. [. . . ]