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Daikin 2MXU50GV1B [6/17] How to use reducers
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■English 4
English
Installation
• Install the unit horizontally.
• The unit may be installed directly on a concrete verandah or a solid place if drainage is good.
• If the vibration may possibly be transmitted to the building, use a vibration-proof rubber (field supply).
1.
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:
How to Use Reducers
Use the reducers supplied with the unit as described below.
• Connecting a pipe of φ9.5 to a gas pipe connection port for φ12.7:
Precautions on Installation
• Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installed.
• In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts. (Prepare four sets of M8 or
M10 foundation bolts, nuts and washers each which are available on the market.)
• It is best to screw in the foundation bolts until their length are 20mm from the foundation surface.
• 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 comes in.
• Use an appropriate wrench to avoid damaging the connection thread by over-
tightening the flare nut.
Flare nut tightening torque
Flare nut for
φ12.7
49.5–60.3N·m
(505–615kgf·cm)
2MXU50G∗2MXU40G∗
A
B
25,35,42,50
25,35,42
25 , 35
25 , 35
2MXU40G∗
2MXU50G∗
: Use a reducer to connect pipes.
Refer to “How to Use Reducers” for information on reducer numbers and their shapes.
Port
Up to 6.0kW
Up to 8.5kW
No.1
φ12.7→ φ9.5
No.2
φ12.7→ φ9.5
Gasket (1) Gasket (2)
No. 2
No. 1
Connection port of outdoor unit
Flare nut (for φ12.7)
Inter-unit piping
Be sure to attach the gasket.
20
01_EN_3P234246-1.fm Page 4 Thursday, November 6, 2008 9:42 PM
Содержание
- Installation manual r410a split series 1
- Models 1
- Mxu40gv1b 2mxu50gv1b 1
- Outdoor unit 1
- Umeda center bldg 2 4 12 nakazaki nishi kita ku osaka 530 8323 japan 2
- Caution 3
- English 3
- Safety precautions 3
- Warning 3
- Accessories 4
- Caution 4
- English 4
- English 2 4
- Precautions for selecting the location 4
- Caution 5
- Outdoor unit installation drawings 5
- Precautions for humidifying hose installation work 5
- Connections connection port 6
- English 4 6
- How to use reducers 6
- Installation 6
- Precautions on installation 6
- English 7
- If the outdoor unit is positioned higher than the indoor units if the outdoor unit is positioned otherwise if lower than one or more indoor units 7
- Outdoor unit installation guideline 7
- Piping to each indoor unit room a b 15m max 7
- Selecting a location for installation of the indoor units 7
- The maximum allowable length of refrigerant piping and the maximum allowable height difference between the outdoor and indoor units are listed below the shorter the refrigerant piping the better the performance connect so that the piping is as short as possible shortest allow able length per room is 3m 7
- Total length of piping between all units 30m max 7
- Wall facing one side 7
- Walls facing three sides 7
- Walls facing two sides 7
- Where a wall or other obstacle is in the path of outdoor unit s intake or exhaust airflow follow the installation guidelines below for any of the below installation patterns the wall height on the exhaust side should be 1200mm or less 7
- Caution 8
- Drain work 8
- Installing outdoor unit 8
- Refrigerant piping 8
- Refrigerant piping work 8
- Purging air and checking gas leakage 9
- Refrigerant piping work 9
- Warning 9
- Caution 10
- Charging with refrigerant 10
- Important information regarding the refrigerant used 10
- Refilling the refrigerant 10
- English 11
- Precautions for laying refrigerant piping 11
- Refrigerant piping work 11
- Warning 11
- Caution 12
- Connecting the humidifying hose 12
- Forced cooling operation 12
- Pump down operation 12
- Caution 13
- Connecting the humidifying hose 13
- Connecting to indoor unit 13
- Connecting to outdoor unit 14
- English 14
- English 12 14
- Caution 15
- English 15
- Ok ng ok ng 15
- Warning 15
- Wiring 15
- English 14 16
- Items to check 16
- Test run and final check 16
- P234246 1 m08b112 17
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