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31-5000001   Rev. 1

17

ENGLISH  

Step 4 - Final Check

System Test

Please explain to the customer how to operate the system 

by using the Owner’s Manual found with the indoor unit.

Check Items for Test Run

 No gas leak from linesets?

 Are the linesets insulated properly?

  Are the connecting wirings of indoor and outdoor firmly 

inserted to the terminal block?

  Is the connecting wiring of indoor and outdoor fixed?

 Is condensate draining correctly?

  Is the ground wire securely connected?  Is the indoor 

unit securely fixed?

  Is power source voltage correct according to local 

code?

 Is there any odd noise?

  Does the cooling temperature drop between 20-30°F?

  Does the heating temperature raise between 35-40°F?

 Is the room temperature display accurate?

Explaining Operation To the End User

•   Using the User Manual, explain to the user how to use 

the air conditioner/heat pump, (the remote controller, 

adding/removing the air filters, placing or removing 

the remote controller from the remote control holder, 

cleaning methods, precautions for operation, etc.)

•   Review precautions for operation.

•   Recommend that the user read the Operating 

Instructions carefully.

Step 3 - Installation of the Outdoor Unit (Cont.)

H.  Refrigerant Charging

•   Add any additional refrigerant after evacuation using a 

digital scale.

NOTE: 

Charge liquid only.

•   Fill out the refrigerant charge label using  indelible ink.

•   Place the factory refrigerant charge found in table on 

page 15 in the box number 1.

•   Place the amount of additional refrigerant added in box 

number 2.

•   Add boxes 1 and 2 together and place the value in the 

sum box (D).

•   Adhere the filled out label in the proximity of the 

product charging port and under the outside unit valve 

cover.

•   If no sticker found, write amounts on outdoor unit with 

permanent marker above the charging port.

•   Remove the cap from the liquid line valve.  Using a hex 

wrench, open the valve, then replace and tighten the 

cap securly to avoid leaks.

•   Remove the cap from the suction line valve.  Using a 

hex wrench, open the valve, then replace and tighten 

the cap securly to avoid leaks.

•   Wrap the line set, drain line, and 14/4 AWG wiring 

starting at the bottom of the bundle with an overlap 

type wrap until you reach the piping hole.

•   Use a sealant to seal the piping hole opening on both 

sides of the wall in order to prevent drafts, weather, or 

pests from entering the building.

This product contains fluorinated greenhouse gases 

covered by the Kyoto Protocol. Do not vent into the 

atmosphere.

1

1+2=

oz

R410A

2

oz

2=

1=

B

C

D

F E

oz

A

Contains fluorinated greenhouse gases

covered by the Kyoto Protocol

Refrigerant type: R-410A

GWP* value: 1975

GWP = global warming potential

INSTALLATION INSTRUCTIONS

Summary of Contents for TAD2U18MOU

Page 1: ...Installation Manual Design may vary by model number Ductless Multi Zone with Highwall Indoor Unit...

Page 2: ...________ Serial number _______________________________________ Date of purchase IMPORTANT SAFETY INFORMATION 4 INSTALLATION INSTRUCTIONS 6 Step 1 9 Step 2 11 Step 3 13 Step 4 17 LIMITED WARRANTY 18 TA...

Page 3: ...less they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the app...

Page 4: ...ipes that have a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants Improper pipe selectio...

Page 5: ...tool Hex wrench Hole saw 2 1 4 Insulation Refrigerant scale Level Manifold gauge set Measuring tape Micron gauge Mini split adapter 5 16 F to 1 4 M Nitrogen Pipe cutter PVC pipe Razor knife Reamer Sa...

Page 6: ...6MOU Unit D Unit C Unit B Unit A 36K TWO 31K 24K 7K 27K 18K 9K 33K 24K 9K 30K 18K 12K 36K 24K 12K 36K 18K 18K 42K 18K 24K 48K 24K 24K THREE 32K 18K 7K 7K 38K 24K 7K 7K 28K 12K 9K 7K 34K 18K 9K 7K 40K...

Page 7: ...constructed with a solid material to block the sea breeze The height and the width of the wall should be 1 5 times larger than the size of the outdoor unit Also allow at least 28 700mm between the pr...

Page 8: ...ce solid enough to bear the weight and vibration of the OD unit and where the operation noise will not be amplified Choose a location where the hot air discharge and or noise will not create a nuisanc...

Page 9: ...ldren may climb onto the outdoor unit and fall off of the balcony Do not install the outdoor unit in thw following areas Area filled with mineral oil or containing a large amout of splashed oil or ste...

Page 10: ...stant pitch downward for proper water flow There should be no kinks or rises in the tubing which may cause a trapping effect of the water see illustration Optional Can use PVC pipe by connecting a 1 I...

Page 11: ...1in 126mm 1 614in 41mm 50 T 2 1 4in 57mm 1 614in 41mm 4 882in 124mm 2 1 4in 57mm 70 T 3 150in 80mm 1 85in 47mm 35 T 2 1 4in 57mm Capacity BTUh Bracket Style Part Number Factory Reference Number 07K 09...

Page 12: ...average snowfall B Attaching Drain Elbow to Outdoor Unit If required attach the supplied drain elbow to the outdoor unit Connect extension piping as needed not supplied see illustration NOTE The drain...

Page 13: ...onnections match the indoor connections wire for wire Ensure each wire is under the screw terminal plate and the plate is tightened Ensure the 14 4 wire cable is secured under the strain relief bracke...

Page 14: ...dicated by the corresponding LED for that circuit being lit constantly LED 1 piping circuit A LED 2 piping circuit B After the check has completed if all wiring is correct the numeric display will ind...

Page 15: ...used as a trace gas should only be mixed with dry nitrogen for pressurizing units Failure to follow these recommendations could result in death or serious injury as well as equipment or property damag...

Page 16: ...ant after evacuation using a digital scale NOTE Charge liquid only Fill out the refrigerant charge label using indelible ink Place the factory refrigerant charge found in table on page 15 in the box n...

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