Table of contents 6.5.4 To check for leaks............16 Table of contents 6.5.5 To perform vacuum drying ........... 17 Charging refrigerant ..............17 6.6.1 About charging refrigerant ........... 17 6.6.2 About the refrigerant ............ 18 1 General safety precautions 6.6.3 Precautions when charging refrigerant ......
(on top of the waves. Electromagnetic waves may disturb the control system, instructions described in the Daikin documentation). and cause malfunction of the equipment. ▪ In places where there is a risk of fire due to the leakage of...
1 General safety precautions ▪ Only use tools exclusively for the refrigerant type used in the 1.2.3 Refrigerant system, this to ensure pressure resistance and prevent foreign If applicable. See the installation manual or installer reference guide materials from entering into the system. of your application for more information.
2 About the documentation 1.2.6 Electrical NOTICE Precautions when laying power wiring: DANGER: RISK OF ELECTROCUTION ▪ Do not connect wiring of different thicknesses to the ▪ Turn OFF all power supply before removing the power terminal block (slack in the power wiring may switch ...
Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin extranet (authentication required). Installer reference guide at a...
4 About the units and options Multilingual fluorinated greenhouse gases label (only for Layout Model name RZASG71) Triple KHRQ(M)58H Double twin KHRQ(M)58T (3×) About the units and options For more selection details, see the catalogues. For installation instructions, see the installation manual of the refrigerant branch kit. Demand adaptor kit (SB.KRP58M52) Overview: About the units and ▪...
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5 Preparation NOTICE Install the outdoor unit away from direct sea winds. The equipment described in this manual may cause Example: Behind the building. electronic noise generated from radio-frequency energy. The equipment complies to specifications that are designed to provide reasonable protection against such interference.
5 Preparation 5.2.2 Additional installation site requirements Triple Double twin of the outdoor unit in cold climates Protect the outdoor unit against direct snowfall and take care that the outdoor unit is NEVER snowed up. Assume that the longest line in the illustration corresponds with the actual longest pipe, and the highest unit in the illustration corresponds with the actual highest unit.
5 Preparation Refrigerant piping length and height difference The piping lengths and height differences must comply with the following requirements: Requirement Limit 71+100 125+140 1 Minimum total one‑way piping length Pair: Limit≤L1 5 m Twin: Limit≤L1+L3 Triple: Limit≤L1+L4 Double twin: Limit≤L1+L3+L7 2 Maximum total one‑way piping length Pair: L1≤Limit 50 m (70 m)
6 Installation ▪ When connecting the electrical wiring WARNING ▪ When maintaining or servicing the unit ▪ If the power supply has a missing or wrong N-phase, equipment might break down. DANGER: RISK OF ELECTROCUTION ▪ Establish proper earthing. Do NOT earth the unit to a Do NOT leave the unit unattended when the service cover utility pipe, surge absorber, or telephone earth.
6 Installation ▪ If you install the unit on a frame, install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent the invasion of water in the unit and to avoid the drain water dripping (see the following illustration).
6 Installation 3 Insert a rubber sheet between the cables and the outdoor unit NOTICE to prevent the cable from scratching the paint (field supply). Take the following precautions on refrigerant piping into 4 Attach the cable’s ends. Tighten those ends. account: ▪...
6 Installation 3 If you have chosen the downwards piping route: To open/close the stop valve ▪ Drill (a, 4×) and remove the knockout hole (b). 1 Remove the valve cover. ▪ Cut out the slits (c) with a metal saw. 2 Insert a hexagon wrench (liquid side: 4 ...
6 Installation NOTICE 6.5.2 Precautions when checking the refrigerant piping Do not block the air vents. This could affect air circulation inside the unit. INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪ Preparation NOTICE Use a 2-stage vacuum pump with a non-return valve that can evacuate to a gauge pressure of −...
6 Installation NOTICE What When Charging additional refrigerant When the total liquid piping Make sure to use a recommended bubble test solution length is more than specified from your wholesaler. Do not use soap water, which may (see later). cause cracking of flare nuts (soap water may contain salt, which absorbs moisture that will freeze when the piping Completely recharging refrigerant Example: gets cold), and/or lead to corrosion of flared joints (soap...
6 Installation WARNING The refrigerant inside the unit is mildly flammable, but normally does not leak. If the refrigerant leaks in the room and comes in contact with fire from a burner, a heater, or a cooker, this may result in fire, or the formation of a harmful gas.
6 Installation INFORMATION 6.6.7 Charging refrigerant: Setup Piping length is the largest one way length of liquid piping. "6.5.3 Checking refrigerant piping: Setup" on page 16. To determine the additional refrigerant amount (R in kg) (in 6.6.8 To charge additional refrigerant case of pair) L1 (m) WARNING ▪...
6 Installation 2 Fix the label on the inside of the outdoor unit. There is a NOTICE dedicated place for it on the wiring diagram label. Make sure that all outside panels, except for the service cover on the electrical component box, are closed while Connecting the electrical wiring working.
6 Installation Wire type Installation method Stranded conductor wire with round crimp-style terminal Stranded conductor wire Round crimp-style terminal ▪ Use the following methods for installing wires: a Terminal Wire type Installation method b Screw Single core wire c Flat washer AA´...
6 Installation Connecting to the When cables are routed from the unit, a frame protection sleeve for the conduits (PG insertions) can be inserted at the knockout hole. When you do not use a wire conduit, protect the wires with vinyl tubes to prevent the edge of the knockout hole from cutting the wires.
7 Commissioning 6.8.2 To close the outdoor unit Precautions when commissioning INFORMATION During the first running period of the unit, the required power may be higher than stated on the nameplate of the unit. This phenomenon is caused by the compressor, that needs a continuous run time of 50 ...
7 Commissioning The fuses or locally installed protection devices are Action Result installed according to this document, and have not been Select Test Operation. Service Settings bypassed. Test Operation Maintenance Contact Field Settings The power supply voltage matches the voltage on the Demand identification label of the unit.
8 Hand-over to the user Error code Possible cause NOTICE Nothing displayed ▪ The wiring is disconnected or there is a In Europe, the greenhouse gas emissions of the total wiring error (between power supply and refrigerant charge in the system (expressed as tonnes (the currently set outdoor unit, between outdoor unit and -equivalent) is used to determine the maintenance...
10 Troubleshooting 6 Never directly connect power supply cables to compressors (U, 11.1 Overview: Disposal V, W). This can result in a compressor burnout. Typical workflow Checklist for yearly maintenance Disposing of the system typically consists of the following stages: of the outdoor unit Pumping down the system.
12 Technical data Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin extranet (authentication required). 12.1 Overview: Technical data This chapter contains information about: •...
12 Technical data Compressor Flare connection Field piping (liquid: Ø9.5 flare connection) Distributor Field piping (gas: Ø15.9 flare connection) Liquid receiver Heating Cooling 12.4 Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit, located at the inside of (4) Legend the service cover.
13 Glossary Field supply TC1 (A1P) (V1 only) Signal transmission circuit Equipment not made by Daikin that can be combined with TC (A1P) (Y1 only) Signal transmission circuit product according instructions V1 (V1 only) Varistor accompanying documentation. V1D (A1P) (V1 only)