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6 Installation

Installer reference guide

11

RZAG71~140L7V1B
Split system air conditioners
4P418663-1 – 2016.02

INFORMATION

For installation of the indoor unit (mounting the indoor unit,
connecting  the  refrigerant  piping  to  the  indoor  unit,
connecting  the  electrical  wiring  to  the  indoor  unit  …),  see
the installation manual of the indoor unit.

6.2

Opening the units

6.2.1

About opening the units

At certain times, you have to open the unit. 

Example:

▪ When connecting the refrigerant piping

▪ When connecting the electrical wiring

▪ When maintaining or servicing the unit

DANGER: RISK OF ELECTROCUTION

Do NOT leave the unit unattended when the service cover
is removed.

6.2.2

To open the outdoor unit

DANGER: RISK OF ELECTROCUTION

DANGER: RISK OF BURNING

1

2

6.3

Mounting the outdoor unit

6.3.1

About mounting the outdoor unit

Typical workflow

Mounting the outdoor unit typically consists of the following stages:

1

Providing the installation structure.

2

Installing the outdoor unit.

3

Providing drainage.

4

Preventing the outdoor unit from falling over.

5

Protecting  the  unit  against  snow  and  wind  by  installing  a  snow
cover  and  baffle  plates.  See  "Preparing  installation  site"  in

"5 Preparation" on page 7

.

6.3.2

Precautions when mounting the outdoor
unit

INFORMATION

Also  read  the  precautions  and  requirements  in  the
following chapters:

▪ General safety precautions

▪ Preparation

6.3.3

To provide the installation structure

Check  the  strength  and  level  of  the  installation  ground  so  that  the
unit will not cause any operating vibration or noise.

Fix  the  unit  securely  by  means  of  foundation  bolts  in  accordance
with the foundation drawing.

Prepare  4  sets  of  anchor  bolts,  nuts  and  washers  (field  supply)  as
follows:

(mm)

>150

620

350

(345-355)

4× M12

a

a

Make sure not to cover the drain holes.

INFORMATION

The  recommended  height  of  the  upper  protruding  part  of
the bolts is 20 mm.

20

NOTICE

Fix the outdoor unit to the foundation bolts using nuts with
resin  washers  (a).  If  the  coating  on  the  fastening  area  is
stripped off, the nuts rust easily.

a

6.3.4

To install the outdoor unit

4× M12

6.3.5

To provide drainage

▪ Make sure that condensation water can be evacuated properly.

Summary of Contents for RZAG71L7V1B

Page 1: ...Installer reference guide Split system air conditioners English Installer reference guide Split system air conditioners RZAG71L7V1B RZAG100L7V1B RZAG125L7V1B RZAG140L7V1B...

Page 2: ...ping to the outdoor unit 14 6 4 9 To determine if oil traps are required 15 6 5 Checking the refrigerant piping 16 6 5 1 About checking the refrigerant piping 16 6 5 2 Precautions when checking the re...

Page 3: ...me to return to normal temperature If you must touch it wear protective gloves Do NOT touch any accidental leaking refrigerant WARNING Provide adequate measures to prevent that the unit can be used as...

Page 4: ...n pipe sizes and pipe lengths some systems require additional charging of refrigerant Only use tools exclusively for the refrigerant type used in the system this to ensure pressure resistance and prev...

Page 5: ...high frequency electric noise to avoid unnecessary opening of the earth leakage protector NOTICE Precautions when laying power wiring Do not connect wiring of different thicknesses to the power termi...

Page 6: ...ter it is installed Hand over to the user What to give and explain to the user Maintenance and service How to maintain and service the units Troubleshooting What to do in case of problems Disposal How...

Page 7: ...e demand adaptor kit For installation instructions see the installation manual of the bottom plate heater Demand adaptor kit SB KRP58M51 Can be used for the following Low noise To lower the operation...

Page 8: ...ns the measured value might be higher than the sound pressure level mentioned in Sound spectrum in the data book due to environmental noise and sound reflections INFORMATION The sound pressure level i...

Page 9: ...able for 1 8 m Floor standing units 1 8 m Wall mounted units 3 Use the graph or table to determine the minimum floor area m kg 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200...

Page 10: ...temperature Humidity Minimum thickness 30 C 75 to 80 RH 15 mm 30 C 80 RH 20 mm 5 4 Preparing electrical wiring 5 4 1 About preparing electrical wiring INFORMATION Also read the precautions and requir...

Page 11: ...oviding drainage 4 Preventing the outdoor unit from falling over 5 Protecting the unit against snow and wind by installing a snow cover and baffle plates See Preparing installation site in 5 Preparati...

Page 12: ...ting efficiency To prevent this 1 Drill a 4 and remove the knockout hole b b a b 4 6 mm 2 Remove the burrs and paint the edges and areas around the edges using repair paint to prevent rusting 6 3 6 To...

Page 13: ...Piping size mm Tightening torque N m Flare dimensions A mm Flare shape mm 9 5 33 39 12 8 13 2 R 0 4 0 8 45 2 90 2 A 15 9 63 75 19 3 19 7 6 4 4 Pipe bending guidelines Use a pipe bender for bending All...

Page 14: ...sure will be low e g when cooling will be performed while the outside air temperature is low sufficiently seal the flare nut in the stop valve on the gas line with silicon sealant to prevent freezing...

Page 15: ...ARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals Small animals that make contact with electrical parts can cause malfunctions smoke or fire NOTICE Pr...

Page 16: ...nt R32 tank siphon system e Vacuum pump f Liquid line stop valve g Gas line stop valve A Valve A B Valve B C Valve C Valve State of valve Valve A Open Valve B Open Valve C Open Liquid line stop valve...

Page 17: ...gerant piping is performed NOTICE Before completely recharging perform vacuum drying on the outdoor unit s internal refrigerant piping as well To do so use the internal service port of the outdoor uni...

Page 18: ...efrigerant Setup See 6 5 3 Checking refrigerant piping Setup on page 16 6 6 7 To charge refrigerant WARNING Only use R32 as refrigerant Other substances may cause explosions and accidents R32 contains...

Page 19: ...unit or when in thermostat stop operation 6 7 4 Guidelines when connecting the electrical wiring Keep the following in mind If stranded conductor wires are being used install a round crimp style termi...

Page 20: ...Interconnection cable Connecting to the frame When cables are routed from the unit a protection sleeve for the conduits PG insertions can be inserted at the knockout hole When you do not use a wire c...

Page 21: ...Cooling operation mode Perform the test run in cooling operation mode so that stop valves failing to open can be detected Even if the user interface was set to heating operation mode the unit will ru...

Page 22: ...heck operation for 3 minutes 4 Check operation of the airflow direction Action Result 1 Press Return Setting Return Setting Air Volume direction Air Volume Direction Position 0 Low 2 Select Position 0...

Page 23: ...efore performing any maintenance or service work touch a metal part of the unit in order to eliminate static electricity and to protect the PCB 9 3 Checklist for yearly maintenance of the outdoor unit...

Page 24: ...are open 3 Press the pump down button BS4 for at least 8 seconds BS4 is located on the PCB in the outdoor unit see wiring diagram Result The compressor and outdoor unit fan start automatically and the...

Page 25: ...s Outdoor unit RZAG71 dimensions in mm h e e f g e f g a b d c 3D103893 i 52 13 67 53 223 95 55 84 55 19 80 145 53 95 19 89 142 53 95 88 60 28 990 940 32 345 340 350 160 620 160 37 91 30 320 30 37 52...

Page 26: ...13 53 223 95 55 345 340 350 160 620 160 37 52 30 320 30 37 91 40 32 191 154 179 36 6 19 99 16 58 16 71 67 3D103894 a Gas pipe connection 15 9 flare connection b Liquid pipe connection 9 5 flare conne...

Page 27: ...B D 100 100 B D E HB HD HB HD HB HU 250 750 1000 500 HU HB HU 250 1000 1000 500 HB HU HD HU HD HU HB HD HB HD HB HD HB HD HD HU 100 1000 1000 500 HU HD HU 200 1000 1000 500 HD HU HU a b 100 100 c d e...

Page 28: ...If there is danger of drainage dripping and freezing between the upper and lower units A2 Then install a roof between the upper and lower units Install the upper unit high enough above the lower unit...

Page 29: ...ver f Stop valve with service port liquid g Stop valve with service port gas h Cable tie mountings to fix the field wiring with cable ties to ensure stress relief i Compressor accumulator A1P Printed...

Page 30: ...ervice port liquid g Stop valve with service port gas h Cable tie mountings to fix the field wiring with cable ties to ensure stress relief i Compressor accumulator A1P Printed circuit board main M1C...

Page 31: ...witch box cooling f Pressure regulating valve g Heat exchanger h Internal service port 5 16 i Check valve j Compressor accumulator k Liquid receiver l Capillary tube M1C Motor compressor R1T Thermisto...

Page 32: ...A P P P L1R A1P X1M HAP A2P F8U F7U E1H HAP L1R K10R K11M V2R R7T F6U K13R R4 V1D R5 X106A V1R 2 1 6 8 6 Q1DI DS1 X1M t 3 MS W V U Electronic component assembly Position of elements Rear view Front v...

Page 33: ...Reactor M1C Motor compressor M1F Motor fan PS Switching power supply Q1DI Earth leakage circuit breaker 30 mA R2 R5 R6 Resistor R1T Thermistor air R2T Thermistor discharge R3T Thermistor suction R4T T...

Page 34: ...2 3 1 Electronic component assembly Position of elements Rear view Front view See note 7 See note 7 Position of compressor terminal Notes 1 Symbols see below 2 Colours see below 3 This wiring diagram...

Page 35: ...S Switching power supply Q1DI Earth leakage circuit breaker 30 mA R1 R5 Resistor R1T Thermistor air R2T Thermistor discharge R3T Thermistor suction R4T Thermistor heat exchanger inlet R5T Thermistor h...

Page 36: ...direction Horizontal Motor Quantity 1 2 Model Brushless DC motor Output 94 W Drive Direct drive Compressor Quantity 1 Motor Type Hermetically sealed swing compressor Starting method Inverter driven Op...

Page 37: ...acity control method Inverter controlled Safety devices Manual high pressure switch Automatic high pressure switch low pressure switch fan driver overload protector fuse Electrical specifications RZAG...

Page 38: ...service to the product Installation manual Instruction manual specified for a certain product or application explaining how to install configure and maintain it Operation manual Instruction manual sp...

Page 39: ......

Page 40: ...4P418663 1 2016 02 Copyright 2016 Daikin...

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