Assessments - 3, GPA: 4
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. Shut off the liquid valve with the Allen wrench. . Turn the system on in cooling with fan operating at high velocity. ( Compressor will immediately start, provided 3 minutes have elapsed since the last stop). . After 2 minutes of operation, shut the suction valve with the same wrench. . Turn the system off and switch mains supply off. . Disconnect tubing. After disconnection, protect valves and tubing ends from dust. . Compressor damage may occur if run at a negative suction pressure. Fixing the indoor unit in place Perform the following work on the area where gas leak test was done priorly. After checking for gas leaks in the system, insulate the pipe, hose and cables. Then place the indoor unit on the installation plate. 1. To avoid condensation problems, wrap foam insulation (as shown in the figure) on a part without insulation on the end of the pipes. 2. Wind the pipe, assembly cable and drain hose with vinyl tape. 3. Place the bundle (the pipe, assembly cable and drain hose) in the lower part of the indoor unit carefully so it does not project from the rear of the indoor unit. 4. Hook the indoor unit to the installation plate and move the unit to the right and left until it is securely in place. Insulation Pipes Installation plate Connecting pipes Vinyl tape Connecting wires Drain hose • Make sure pipe does not move when you install the indoor unit on an installation plate. 5. Wrap the rest of the pipe with vinyl tape. 6. Attach the pipe to the wall using clamps (optional). Fixing the outdoor unit in place 'X' mm Install the outdoor unit in level on a stable base to avoid the generation of noise and vibration, especially when installing the unit close to a neighbor. If you install the outdoor unit in a place exposed to strong winds or at a height, fix it to an appropriate support (wall or ground). 1. Place the outdoor unit as indicated on the top of the unit to let the discharged air out properly. 2. Fix the outdoor unit in level to an appropriate support using anchor bolts. 3. If the outdoor unit is exposed to strong winds, install shield plates around the outdoor unit so that the fan can operate correctly. 'Y' mm Rubber leg Model X Y ..09/12.. 457 254 ..18.. 543 319 ..24.. 660 340 • Secure the rubber leg to prevent the generation of noise and vibration. Designed to cut off residual vibration from outdoor unit to rack. (not supplied with product) Outdoor unit installed on the wall by rack • Ensure the wall will be able to suspend the weight of rack and outdoor unit; • Install the rack close to the column as much as possible; • Install proper grommet in order to reduce noise and residual vibration transferred by outdoor unit towards wall. Soft rubber designed to cut off vibration from rack to wall. (not supplied with product) Final Check and Trial Operation To complete the installation, perform the following checks and tests to ensure that the air conditioner operates correctly. Check the followings: • Strength of the installation site • Tightness of pipe connection to detect gas leak • Electric wiring connection • Heat-resistant insulation of the pipe • Drainage • Grounding conductor connection • Correct operation (follow the steps below) 1. Press the Power button and check the following: . The indicator on the indoor unit lights up. . The airflow blade opens and the fan gears up for operation. 2. Press the Mode button to select Cool or Heat mode. . In Cool mode, use Temp + or - button and set the temperature at 16°C. . In Heat mode, use Temp + or - button and set the temperature at 30°C. • Approximately 3~5 minutes later, outdoor unit will start to operate and the Cool or Warm air will blow out. • After 12 minutes of stationary condition check the indoor unit air treatment: Cooling mode (indoor unit check) . Inlet air temp. - Outlet air temp : From 10°K to 12°K ( indicative delta T) Heating mode (indoor unit check) . Outlet air temp. - Inlet air temp : From 11°K to 14°K (indicative delta T) In heating mode, the indoor fan motor can remain off to avoid cold air blown into conditioned space. 3. Press the Air swing button and check the following: . The airflow blades work properly. 4. Press the Power button to stop the operation. • When you complete the installation successfully, hand over this manual to the user for storage in a handy and safe place. Pump down procedure (when removing the product) 1. Turn on the air conditioner and select Cool mode to run the compressor for 3 minutes. 2 . Release the valve caps on High and Low pressure side. 3 . Use L wrench to close the valve on the high pressure side. 4 . Approximately 2 minutes after, close the valve on the low pressure side. 5 . Stop operation of the air conditioner. 6 . Disconnect the pipes. How to connect your extended power cables Items to prepare (compressor and insulation tape should be prepared by an installation technician.) 1. As shown in the figure, peel off the shields from the rubber/wire of the power cable. - Peel off 20 mm of the wir...
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