Daikin 3MWKS80KV1? 3MWKS80LV1 User Manual Download

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INSTALLATION MANUAL

Multi-Split Type Air Conditioners

with Waste Heat Utilisation

for Hot Water

Model

3MWKS80KV1

3MWKS80LV1

English

00_CV_3P266963-1D.indd 1

10/30/2014 9:18:52 AM

Summary of Contents for 3MWKS80KV1? 3MWKS80LV1

Page 1: ...INSTALLATION MANUAL Multi Split Type Air Conditioners with Waste Heat Utilisation for Hot Water Model 3MWKS80KV1 3MWKS80LV1 English 00_CV_3P266963 1D indd 1 10 30 2014 9 18 52 AM ...

Page 2: ... abnormal heat build up or fire When wiring the power supply and connecting the wire between the indoor unit or water heater and outdoor unit position the wires so that the control box lid can be securely fastened Improper positioning of the control box lid may result in electric shocks fire or over heating terminals If refrigerant gas leaks during installation ventilate the area immediately Toxic...

Page 3: ...h to bear the weight and vibration of the unit where the operation noise will not be amplified 1 Choose a location where the hot air discharged from the unit or the operation noise will not cause a nuisance to the neighbors 2 of the user Avoid places near a bedroom and the like so that the operation noise will cause no trouble 3 There must be sufficient spaces for carrying the unit into and out of...

Page 4: ... the finishing tape from bottom to top Right side plate 250mm from wall 350m m Foot bolt hole centres If there is the danger of the unit falling or overturning fix the unit with foundation bolts or with wire or other means If the location does not have good drainage place the unit on a level mounting base or a plastic pedestal Install the outdoor unit in a level position Failure to do so may resul...

Page 5: ...ion proof rubber field supply Connections connection port Install the indoor unit according to the table below which shows the relationship between the class of indoor unit and the corresponding port The total indoor unit class that can be connected to this unit Up to 15 6kW Port 3MWKS80 Use a reducer to connect pipes page 9 Use No 2 and 4 reducers Use No 5 and 6 reducers Use No 1 and 3 reducers R...

Page 6: ...mm Selecting a Location for Installation of the Indoor Units and Water Heater The maximum allowable length of refrigerant piping and the maximum allowable height difference between the indoor unit or water heater and outdoor unit are listed below The shorter the refrigerant piping the better the performance Connect so that the piping is as short as possible Shortest allowable length per room is 3m...

Page 7: ...5mm to A drain socket 3 If the house is too long and hangs down fix it carefully to prevent the kinks Make sure that there is no water leakage from portion 4 Ι ΙΙ or ΙΙΙ NOTE If the drain holes of the outdoor unit are covered with the mounting bracket or the floor raise the unit to provide the space of more than 100mm under the leg of the outdoor unit Refrigerant piping 3 CAUTION Use the flare nut...

Page 8: ... projection side of charging hose which comes from gauge manifold to gas stop valve s service port 1 Fully open gauge manifold s low pressure valve Lo and completely close its high pressure valve Hi 2 High pressure valve subsequently requires no operation Do vacuum pumping and make sure that the compound pressure gauge reads 0 1MPa 76cmHg 1 3 Close gauge manifold s low pressure valve Lo and stop v...

Page 9: ... and service port caps for the water heater outlet stop valve and water heater inlet stop valve with a 8 torque wrench at the specified torques 1 Vacuum pump run time for water heater connection pipe Not less than 10 min 2 If the compound pressure gauge pointer swings back refrigerant may have water content or a loose pipe joint may exists Check all pipe joints and retighten nuts as needed then re...

Page 10: ...m Minimum bend radius O D 6 4mm 9 5mm 30mm or more O D 12 7mm 40mm or more O D 15 9mm 50mm or more Separate and individually insulate the gas pipe liquid pipe water heater supply pipe and water heater discharge pipe 3 Flaring the pipe end 8 Cut the pipe end with a pipe cutter 1 Remove burrs with the cut surface facing downward so that the chips do not enter the pipe 2 Put the flare nut on the pipe...

Page 11: ... attach the gasket Connecting a pipe of 3 φ9 5 to a gas pipe connection port for φ12 7 No 4 No 2 Flare nut for F12 7 Be sure to attach the gasket When using the reducer packing shown above be careful not to overtighten the nut or the smaller pipe may be damaged about 2 3 1 the normal torque Apply a coat of refrigeration oil to the threaded connection port of the outdoor unit where the flare nut co...

Page 12: ... inlet stop valve and then stop forced cooling operation 4 4 Gas stop valve Water heater inlet stop valve 3 Liquid stop valve Water heater outlet stop valve Indoor unit stop valve Gas stop valve Close Hexagonal wrench Liquid stop valve Valve caps Water heater inlet stop valve Hexagonal wrench Water heater outlet stop valve Valve caps Close Water heater stop valve Forced Operation Press the forced ...

Page 13: ...onnect 4 Then fix the wire in place with the wire retainer Safety breaker Earth leakage circuit breaker Outdoor unit 50Hz 220 240V Be sure to use the dedicated circuits To room B To room C 60245 IEC 57 If the length of a connection wire is 10m or more use F2 0mm wire Room A Room B Room C Room A Indoor unit Ground terminal installation Use the following method when installing a single core wire 1 A...

Page 14: ...r Remove the water heater thermistor connected to the S402 1 connector on the printed wiring board Refer to figure 1 NOTE Do not dispose of the water heater thermistor after removing it The thermistor must later be connected to the end of the C water heater thermistor extension cable on the water heater side S402 figure 1 Insert the 2 C water heater thermistor extension cable into the S402 connect...

Page 15: ... Pull the 4 C water heater thermistor extension cable around as shown in figure 3 and secure it to the wiring clamp attached to the outdoor unit There should be no external tension applied to the cable after attachment At this time ensure the clamp is correctly oriented as shown in the diagram S402 X40M 3 4 Round crimp style terminal figure 4 Installation procedure for water heater side 2 2 WARNIN...

Page 16: ...ermistor sensor section Thermistor cap water heater accessory figure 3 Perform wiring of the 4 C water heater thermistor extension cable and digital temperature indicator field supply as shown in figure 4 Complete the wiring for the water heater s electric 5 equipment Refer to the manual included with the water heater for an overview of the wiring Replace the heater cover and secure it using the 6...

Page 17: ...y switch B is on Other switches are off Night Quiet Mode Setting If night quiet mode is to be used initial settings must be made when the unit is installed Explain night quiet mode as described below to the customer and confirm whether or not the customer wants to use night quiet mode About night quiet mode The night quiet mode function reduces operating noise of the outdoor unit at nighttime This...

Page 18: ...in the table below For details about how to read the LED display refer to the service manual If self correction is not possible check the indoor unit wiring and piping in the usual manner Wiring error check switch SW3 Service PC board LED 1 2 3 4 Message Status All Flashing Automatic correction impossible Flashing One after another Automatic correction completed One or more of LEDs 1 to 4 are on A...

Page 19: ...he event of a ground fault Are the electric wires connected correctly No cooling Is the wiring in accordance with the specifications Operation failure burning Are the inlets outlets of the indoor and outdoor units free of any obstructions Are the stop valves open Indoor unit stop valves gas stop valve liquid stop valve Water heater stop valves water heater inlet stop valve water heater outlet stop...

Page 20: ...3P266963 1D M09B401C 1411 HT Two dimensional bar code is a manufacturing code 00_CV_3P266963 1D indd 2 10 30 2014 9 18 52 AM ...

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