Amvent A55GW2C-ELT Instructions / Assembly
Contents
1. Ductless Mini Split System Installation Tools Required e Philips Screw Driver e Level e Drill e 2 a inch Hole Saw e Allen Wrench 5 5 amp 6 e Vacuum Pump e 410 A Gauge e Torque Wrench STEP 1 Indoor Unit Evaporator Find a suitable location Install the indoor unit on a level structurally sound wall that is not subject to vibration The inlet and outlet ports on indoor unit should not be obstructed the alr should be able to freely circulate throughout the coverage area Do not install the unit near a heat source steam or flammable gas fumes Do not install unit in direct sunlight Install the unit where connection between indoor amp outdoor unit is as easy as possible Install the unit where it is easy to drain the condensed water Install evaporator at least 4 inches from the ceiling or 8 feet for high ceilings STEP 2 Outdoor Unit Condenser Find the perfect location for the condenser unit OUTDOOR UNIT 2 5 s minimum space to be left mm showing in the picture Do not install the outdoor unit near sources of heat steam or flammable gas Do not install the unit in too windy or dusty places Do not install the unit where people often pass Select a place where the air discharge and operating sound level will not disturb the neighbours Avoid installing the unit where it will be exposed to direct sunlight other wise use a protection if necessary that shoul2. be secured to the structure of the building using the proper industry standard anchors for heavy loads The condenser must be accessible for service I Ill AT NA 1 KH III PELL TAC ici d ki N hir FRI I IT I MI NN lh LI ie 7 8 i bebeb tLe DI hr J if j j e an L 1 IN En i 1 STEP 17 Outdoor Unit Condenser Connection Remove valve cover STEP 18 Remove seal cap protector CONNECTING THE PIPES Screw the flare nuts to the outdoor unit coupling with the same tightening procedures described for the indoor unit To avoid leakage pay attention to the following points 1 Tighten the flare nuts using two wrenches Pay atten tion not to damage the pipes 2 If the tightening torque is not sufficient there will probably be some leakage With excessive tightening torque there will also be some leakage as the flange could be damaged 3 The surest system consists in tightening the connecti on by using a fix wrench and a torque wrench in this case use the table on page 21 Note Pipe Connection connection pipes liquid valve Servi ort nut I a protection caps STEP 19 Connect refrigerant lines to outdoor unit valves STEP 20 Bleed Purge system using a Vacuum Pump BLEEDING Air and humidity left inside the refrigerant circuit can cause compressor
3. malfunction After having connected the indoor and outdoor units bleed the air and humidity from the refrigerant circuit by using a vacuum pump 37 mr af 1 er j nr SS i om cados nm B aes ud E y cose Service port VACUUM pump BLEEDING The air and humidity left inside the refrigerant circulat ion can cause compressor malfunction After having co nnected the indoor and outdoor units bleed the air and humidity from the refrigerant circulation using a va cuum pump 1 Unscrew and remove the caps from the 2 way and 3 way valves 2 Unscrew and remove the cap from the service port 3 Connect the vacuum pump hose to the service port 4 Operate the vacuum pump for 10 15 minutes until an absolute vacuum of 10 mm Hg has been reached 5 With the vacuum pump still in operation close the low pressure knob on the vacuum pump coupling Stop the vacuum pump 6 Open the 2 way valve by 1 4 turn and then close it after10 seconds Check all the joints for leaks using liquid soap or an electronic leak device 7 Turn the body of the 2 way and 3 way valves Disconnect the vacuum pump hose 8 Replace and tighten all the caps on the valves Note Vacuum Bleeding 3 way valve diagram connect to indoor unit Connect to outdoor unit Refrigerant flow direction 2 way valve 3 way valve 6 Open 1 4 turn 7 Turn to fully 7 Turn to fully open the valve open
4. d not interfere with the air flow Leave the spaces as shown in the picture for the air to circulate freely Install the outdoor unit in a safe and solid place If the outdoor unit is subject to vibration place rubber gaskets onto the feet of the unit Maximum Height amp Distances Outdoor unit A Indoor unit Pipe length is 5 meters Max Pipe length 15 15 meters Max T i ry Indoor unit D c VE A ns U 1 n E 2 E Outdoor unil 4 u n ne St 5 F A Y jk 0 un vo ni O Only persons and or companies qualified and experienced in the installation service and repair of refrigerant products should be permitted to do so The purchaser must ensure that the person and or company who 1s to install service or repair this air conditioner has qualifications and experience in refrigerant products STEP 3 Remove Mounting Plate from Indoor Unit STEP 4 Find secure location for the Mounting Plate and mark the holes Note Be sure that the plate is level STEP 5 Attach Mounting Plate to structure STEP 6 Drill a 2 Ve inch Hole Note The hole must be drilled on an angle of about 30 degrees the exterior opening should be at least 4 inch lower than the interior opening 5 l E TW TN STEP 7 Install supplied wall sleeve STEP 8 Prepare Indoor Unit refrigera
5. e refrigerant lines STEP 12 Tighten connections using wrenches working in opposite direction Note For best result use Torque Wrench STEP 13 Connect the supplied drain line extension STEP 14 A Arrange the pipes cables amp drain hose B Lag the pipe joints with insulating material securing It with supplied UV vinyl tape C Run the bundled pipe cables drain hose back through the 2 Ve inch hole Note Always keep drain line at the bottom of bundle Indoor unit condensed water drainage The indoor unit condensed water drainage ts fundamen tal for the success of the installation la DO I ai I Place the drain hose below the piping taking care not to create siphons 2 The drain hose must slant downwards to aid drainage 3 Do not bend the drain hose or leave it protruding or twisted and do not put the end of itin water If an extension is connected to the drain hose ensure that it 15 lagged when it passes into the indoor unit 4 If the piping is installed to the right the pipes power cable and drain hose must be lagged and secured onto the rear of the unit with a pipe connection 1 Insert the pipe connection into the relative slot 2 Press to join the pipe connection to the base STEP 15 Reconnect Indoor Unit to Mounting Plate STEP 16 Install vibration pads and secure Outdoor Unit Note Optional L Bracket System The bracket must
6. nt piping connections kass Refrigerant piping connection The piping can be run in the 3 directions indicated by numbers in the picture When the piping is run in direction lor3 cut a notch along the groove on the side of the indoor unit with a cutter Run the piping in the direction of the wall hole and bind the copper pipes the drain pipe and the power cables together with the tape with the drain pipe at the bottom so that water can flow freely STEP 9 Remove the seal caps from the indoor refrigerant lines Note Nitrogen charge may be released amp a hissing sound may be heard when the first seal cap Is removed EN 5 N Ni u F Ar lo STEP 10 Guide the line set through the 2 2 inch hole Connecting the pipes Do not remove the cap from the pipe until connecting It to avoid dampness or dirt from entering Ifthe pipe is bent or pulled too often it will become stiff Do not bend the pipe more than three times al one point When extending the rolled pipe straighten the pipe by unwinding it gently as shown in the picture Note Refrigerant Pipes 1 11 LI i I LI ti 1 11 1 Li Hf 1 i iI qu 0 Il 1 j rl AK W NY WAY Extending the rolled pipe 1 1 1 LI 1 14 i LA 4 I If j i f IM STEP 11 Remove the seal caps from th
7. the valve valve cap 1 Turn Service port nut 2 2 Turn 8 Tighten 1 Turn 8 Tighten a 8 Tighten Valve cap Note Vacuum line for 10 to 15 minutes or to 30 microns STEP 21 Electrical Connection Remo ve C aes electrical cover i ah LA j N LI a n Li S E nt STEP 22 Plug Quick Connect terminal from Indoor Unit into the Quick Connect terminal from the Outdoor Unit STEP 23 Connect ground to metal plate STEP 24 Connect line from service box to compressor STEP 25 Re install the electrical cover STEP 26 Purge Excess Air Open high side valve 1 4 turn counter clockwise STEP 27 Remove service valve cap STEP 28 Press schrader Service valve for 3 seconds STEP 29 Open liquid valve completely counter clockwise Note Valve must be fully open STEP 30 Open suction valve completely counter clockwise Note Valve must be fully open STEP 31 Check for leaks at all joint connections ith UV INE WI STEP 32 Wrap remaining refrigerant tape insulation Ld n S u 3 FINAL STEP Test the system A Turn the breaker on B Using the remote control turn the Indoor Unit on C Check all system functions for proper operation
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