Daikin RQYQ26PY1B- Installation Manual

English 4 3. SELECTION OF LOCATION Select a location for installation that meets the following conditions. Get the customer’s permission. 1. There is no danger of fire due to leakage of inflammable gas. 2. Select the location of the unit in such a way that neither the dis-charged air nor the sound g...

5 English • For anti-corrosion type use nuts with resin washers. If the paint on nut connections comes off, the anti-corrosion effect may decrease. 6. REFRIGERANT PIPING Note • All field piping must be installed by a licensed refrigeration tech-nician and must comply with relevant local and national...

English 6 4. Remove the knock hole on the bottom frame and route the piping under the bottom frame. 5. Gas side shutoff valve 6. Liquid side shutoff valve 7. Refrigerant charge port 8. Brazing 9. Liquid side accessory pipe (1) 10. Gas side accessory pipe (1) 11. Gas side accessory pipe (2) 12. Liqui...

7 English (3) If the piping length between the outdoor units exceeds 2 m, create a rise of 200 mm or more in the gas line under a length of 2 m from the outdoor unit multi connection piping kit. 5. Branching the refrigerant pipingHeed the restrictions below when installing the refrigerant branch-ing...

English 8 6-5 Example of connection (Example) With REFNET header , indoor units 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 (Example) With REFNET joints B , indoor units 7 + 8 (Example) With REFNET header , indoor units 1 + 2 + 3 + 4 + 5 + 6 Example unit 6 : a + b + h ≤ 150m, 8 : a + i + k ≤ 150m Example unit 8 :...

9 English Pipe Siz es Selection Piping between Outdoor Unit ~ Refrig erant Branc h Connection (P ar t A) Calculation Method of Re-c har ging Amount of Refrig erant Re-charging Amount R (kg) ( • Round off at 2 places of decimals f or R.) NO TE: THE ADDITIONAL REFRIGERANT CHARGING AMOUNT BEFORE TEST R...

English 10 7. FIELD WIRING CAUTION • All field wiring and components must be installed by a licensed electrician and must comply with relevant local and national reg-ulations. • Be sure to use a dedicated power circuit. Never use a power sup-ply shared by another appliance. • Never install a phase a...

11 English Note • Open the knock holes with a hammer or the like. • After knocking out the holes, we recommend you remove any burrs and paint them using the repair paint to prevent rusting. • When passing wiring through the knock holes, remove burrs around the knock holes and protect the wiring with...

English 12 • When pulling the ground wire out, wire it so that it comes through the cut out section of the cup washer. (See the figure below.) An improper ground connection may prevent a good ground from being achieved. • When two wires are connected to a single terminal, connect them so that the re...

13 English Note If moisture might enter the piping, follow belows.(I.e., if doing work during the rainy season, if the actual work takes long enough that condensation may form on the inside of the pipes, if rain might enter the pipes during work, etc.) (1) After performing the vacuum drying for two ...

15 English 11-2 Procedure of Adding Refrigerant charging and check operation WARNING ELECTRIC SHOCK WARNING • Make sure to close the EL. COMPO. BOX lid before turning on the power when performing the refrigerant charging operation. • Perform the setting on the PC-board (A1P) of the outdoor unit and ...

17 English 11-2-1 Refrigerant Charging Operation Procedure [Check operation] Procedures Operational Conditions(Each of mentioned below is a standard operation time. It could change depending on the installation circumstances, etc.) Operation to check refrigerant amount 1 Turn on the indoor fan to ke...

English 18 LED indications h : light-out k : light-on l : blnking C/H SELECTOR MODE HWL: i IND MASTER SLAVE L.N.O.P DEMAND H1P H2P H3P H4P H5P H6P H7P hh h h h h h hhh hh l LED indications to connect the refrigerant tank l LED indications to [open] the valve of refrigerant tank l LED indications to ...

English 20 12. ONSITE SETTINGS Note In the case of a multi system, all onsite settings should be made on the master unit. Settings made on sub units are invalid.The outdoor unit to which the indoor unit transmission wire are connected is the master unit, and all other units are sub units. 12-1 Onsit...