Table of Contents 1 Important information Safety information Read before starting the installation Electrical requirements 2 Delivery and handling Transport Assembly Supplied components 3 Pipe connections General Connecting the cooling circuit Pipe connections 4 Electrical connections General Communication cable Connecting indoor and outdoor unit Connecting accessories 5 Installation Compatible model combinations...
Marking AG-AC10 is CE marked and meets IPX4. The CE marking means that NIBE ensures that the product meets all regulations that are placed on it based on relevant EU directives. The CE mark is obligatory for most products sold in the EU, regardless where they are made.
These instructions are sufficient for installation and maintenance. If assistance is required for a particular problem, contact our dealer for further information. NIBE does not accept any responsibility for damage that occurs in the event of incorrect installation or improper maintenance.
2 Delivery and handling Selection of installation location for outdoor Transport unit The outdoor unit should be transported and moved During installation... vertically..in damp or uneven locations: ■ Use a base that is stable and raised above the ground to prevent damage and abnormal vibrations.
3 Pipe connections General Pipe length AG-AC10-42 Pipe installation must be carried out in accordance with Total length current norms and directives. The refrigerant pipes' minimum length 1.5 m Only use refrigerant pipes that are seamless, degreased, The refrigerant pipes' maximum total 7.5 m...
Pipe connections AG-AC10-42 + one indoor unit Size A AG-AC10-42 / AG-AC10-50 + one indoor unit Size B AG-AC10-42 / AG-AC10-50 + two indoor units Size A Size A AG-AC10-50 + two indoor units Size A Size B Explanation Indoor unit...
4 Electrical connections General Connecting indoor and outdoor unit NOTE Electrical installation and service must be carried Installation with one indoor unit out under the supervision of a qualified electri- cian, and in accordance with applicable electrical safety regulations. Outdoor unit Rated voltage If a miniature circuit-breaker is used this must have ■...
Connecting accessories The outdoor unit is equipped for connection of a con- densation water pipe (AG-CH10). Connect the power supply to AG-CH10 as illustrated: GREY WHITE AG-CH10 GREEN/YELLOW Caution Also see the Installer manual for AG-CH10. Chapter 4 | Electrical connections AG-AC10...
5 Installation Compatible model combinations Our recommended model combinations are as follows. Installation with one indoor unit Outdoor unit Indoor unit (circuit A) AG-WT10-4 / AG-WL10-4 AG-AC10 -42 AG-WT10-7 / AG-WL10-7 AG-AC10 -50 AG-WT10-7 / AG-WL10-7 Installation with two indoor units Outdoor unit Indoor unit (circuit A) Indoor unit (circuit B)
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4. Use insulated copper cooling pipes. Cut a length of 6. Thread the flange nuts (which are removed from the 30 – 50 cm in addition to the distance between the outdoor unit) on the pipes and bend up the ends of units.
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8. Tighten the connections using a wrench and torque 11. Remove the valve caps from both valves. Start the wrench according to the tightening torque values vacuum pump and allow it to run for the time given in the table. in the table.
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12. With the vacuum pump running, close the low 14. Complete insulation, protect against mechanical pressure knob on the valve block. Stop the vacuum impacts, secure and hang up. pump. Open the service valve using an Allen key and close it again after 10 seconds. Check the seal of all joints using soap solution.
Pump down Pump down means retrieving all refrigerant in the out- 3. Remove the manometer assembly. The action "Pump door unit without losing the system's filling. This is done down" is now complete and all refrigerant has been when the climate unit is to be moved or during repair collected in the outdoor unit.
6 The main functions of the valves Action 2-way valve (service valve) 3-way valve (service valve) Delivery Valve cap CLOSED O-ring Cone Function and test of OPEN the climate unit Pressure measurement and gas filling OPEN Vacuuming with vacuum pump CLOSED The service valve on the outdoor unit that gives access to the refrigerant system is of the "Schrader"...
7 Disturbances in comfort Basic actions Troubleshooting Start by checking the following possible fault sources: NOTE That the climate unit is running or that the supply cable ■ to AG-AC10 is connected. Work behind covers secured by screws may only be carried out by, or under the supervision of, Group and main fuses of the accommodation.
8 Accessories Condensation water pipe Condensation water pipe for leading condensation to ex- ternal drain. AG-CH10-10 AG-CH10-30 Length: 1000 mm Length: 3000 mm Part no. 067 466 Part no. 067 467 AG-CH10-60 Length: 6000 mm Part no. 067 468 Ground stand Ground stand AG-GS10-1 For installation on ground.
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