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Daikin RXYQ96PATJ [24/25] 3 checks after test run
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19 English
13-3 Checks After Test Run
Perform the following checks after the test run is complete.
• Record the contents of field setting.
→ Record them on the accessory “REQUEST FOR THE INDICA-
TION” label.
And attach the label on the back side of the front panel.
• Record the installation date.
→ Record the installation date on the accessory “REQUEST FOR
THE INDICATION” label in accordance with the IEC60335-2-40.
And attach the label on the back side of the front panel.
NOTE
After the test run, when handing the unit over to the customer, make
sure the EL.COMPO.BOX lid, the inspection door, and the unit casing
are all attached.
14. CAUTION FOR REFRIGERANT LEAKS
(Points to note in connection with refrigerant leaks)
Introduction
The installer and system specialist shall secure safety against
leakage according to local regulations or standards. The following
standards may be applicable if local regulations are not available.
The VRV System, like other air conditioning systems, uses R410A as
refrigerant. R410A itself is an entirely safe non-toxic, non-combustible
refrigerant. Nevertheless care must be taken to ensure that air condi-
tioning facilities are installed in a room which is sufficiently large. This
assures that the maximum concentration level of refrigerant gas is not
exceeded, in the unlikely event of major leak in the system and this in
accordance to the local applicable regulations and standards.
Maximum concentration level
The maximum charge of refrigerant and the calculation of the maximum
concentration of refrigerant is directly related to the humanly occupied
space in to which it could leak.
The unit of measurement of the concentration is lb/ft
3
( the weight in lb
of the refrigerant gas in 1 ft
3
volume of the occupied space).
Compliance to the local applicable regulations and standards for the
maximum allowable concentration level is required.
1. direction of the refrigerant flow
2. room where refrigerant leak has occurred (outflow of all the
refrigerant from the system)
Pay a special attention to the place, such as a basement, etc.
where refrigerant can stay, since refrigerant is heavier than air.
Procedure for checking maximum concentration
Check the maximum concentration level in accordance with steps 1 to 4
below and take whatever action is necessary to comply.
1.
Calculate the amount of refrigerant (lb) charged to each system sep-
arately.
NOTE
• Where a single refrigerant facility is divided into 2 entirely indepen-
dent refrigerant systems then use the amount of refrigerant with
which each separate system is charged.
2.
Calculate the smallest room volume (ft
3
)
Incase like the following, calculate the volume of (A), (B) as a single
room or as the smallest room.
A.Where there are no smaller room divisions
B.Where there is a room division but there is an opening
between the rooms sufficiently large to permit a free flow of air
back and forth.
1. opening between rooms
2. partition
(Where there is an opening without a door or where there are openings
above and below the door which are each equivalent in size to 0.15% or
more of the floor area.)
3.
Calculating the refrigerant density using the results of the calcula-
tions in steps 1 and 2 above.
If the result of the above calculation exceeds the maximum concen-
tration level then make similar calculations for the second then third
smallest room and so until the result falls short of the maximum con-
centration.
4.
Dealing with the situations where the result exceeds the maximum
concentration level.
Where the installation of a facility results in a concentration in excess
of the maximum concentration level then it will be necessary to
revise the system. Please consult your Daikin supplier.
amount of refriger-
ant in a single unit
system (amount of
refrigerant with
which the system
is charged before
leaving the factory)
+
additional charging
amount (amount of
refrigerant added
locally in accordance
with the length or
diameter of the refrig-
erant piping)
=
total amount
of refrigerant
(lb) in the
system
2
1
total volume of refrigerant in the
refrigerant system
≤
maximum concen-
tration level (lb/ft
3
)
size (ft
3
) of smallest room in which
there is an indoor unit installed
1
2
Содержание
- Installation manual 1
- System air conditioner 1
- Figure 1 figure 3 figure 2 2
- Figure 10 figure 11 figure 12 1 2
- Figure 4 2
- Figure 5 figure 7 figure 8 2
- Figure 6 2
- Figure 9 2
- Figure 12 2 3
- Figure 14 3
- Figure 15 figure 13 3
- Figure 17 3
- Figure 18 1 3
- Figure 18 2 figure 16 3
- Figure 19 3
- Figure 20 4
- Figure 21 4
- Figure 22 4
- Figure 23 4
- Figure 24 4
- Figure 25 4
- Figure 26 5
- Figure 27 figure 28 5
- Figure 29 figure 30 5
- Figure 31 5
- Figure 32 5
- 1 safety considerations 6
- Contents 6
- English 6
- First of all 6
- 2 special notice of product 7
- English 2 7
- When wiring position the wires so that the terminal box lid can be securely fastened improper positioning of the terminal box lid may result in electric shocks fire or the terminals overheating 7
- 1 combination 8
- 2 standard supplied accessories 8
- 3 disposal requirements 8
- 3 option accessory 8
- 4 technical and electrical specifications 8
- 5 main components 8
- English 8
- Introduction 8
- Selection of location 8
- English 4 9
- Inspecting and handling the unit 9
- Placing the unit 9
- 1 selection of piping material and refrigerant branching kit 10
- 1 selection of piping material and refrigerantbranching kit 10
- 2 protection against contamination when installing pipes 10
- 2 protection against contaminationwhen installing pipes 10
- 3 pipe connection 10
- 4 connecting the refrigerant piping 10
- English 10
- Refrigerant piping 10
- Change to pattern 1 or pattern 2 11
- Downward inclination 11
- English 6 11
- Front connections side bottom connections 11
- Pattern 1 11
- Pattern 2 11
- Prohibited pattern 11
- To indoor unit 11
- 4 if the piping length between the outside units exceeds 80 in cre ate a rise of 8 in or more in the gas piping under a length of 80 in from the outside unit multi connection piping kit 12
- Branching the refrigerant piping heed the restrictions below when installing the refrigerant branching kit and read the installation instruction manual with the kit improper installation could lead to malfunctioning or breakdown of the outside unit 12
- English 12
- Gas pipe between outside units 12
- If 80 in or more 12
- If less than 80 in 12
- Install the refnet header so it splits horizontally 12
- Install the refnet joint so it splits horizontally or vertically 12
- Oil remains in the stopping outside unit change to pattern 1 or pattern 2 12
- Oil remains in the unit a when system stops 12
- Prohibited pattern 12
- Refer to figure 14 1 horizontal 2 a arrow view 3 horizontal surface 4 30 or less 5 vertical 12
- Refer to figure 15 1 horizontal surface 2 b arrow view 12
- To indoor unit 12
- 5 example of connection 13
- English 8 13
- Example of connection connection of 8 indoor units 13
- English 14
- Outside unit multi connection piping kit and refrigerant branch kit selection 14
- Pipe size selection 14
- 0 75 1 0 21 1 0 81 75 0 40 10 0 15 2 1 15
- 11 27 11 lb 15
- A b 2 c 2 d 2 e 2 f 2 g 2 h i j k l m n p 3280 ft 15
- A b u r c n s t o p 15
- English 10 15
- How to calculate the additional refrigerant to be charged 15
- If available on the site use this size otherwise it can not be increased 15
- Increase the pipe size as follows 15
- Indoor units 1 8 15
- Outside unit refnet joint a g 15
- Required conditions example drawings 15
- Round off in units of 0 lb 15
- The farthest indoor unit 8 the nearest indoor unit 1 15
- Φ 3 8 φ 1 2 φ 1 2 φ 5 8 φ 5 8 φ 3 4 φ 3 4 φ 7 8 φ 7 8 φ 1 φ 1 1 8 φ 1 1 4 φ 1 3 8 φ 1 1 2 15
- 1 power circuit safety device and cable requirements 16
- 1 power circuit safety device and cablerequirements 16
- 2 wiring connection example for whole system 16
- 3 leading wire procedure 16
- English 16
- Field wiring 16
- 4 transmission wiring connection procedure 17
- 5 power wiring connection procedure 17
- Crimp style terminal 17
- Cup washer 17
- Cut out section 17
- English 12 17
- Power wire crimp style terminal 17
- 6 procedure for wiring inside units 18
- Air tight test and vacuum drying 18
- English 18
- R410a label 18
- Resin hook 18
- Terminal block crip style terminal wire narrow wire thick 18
- 1 before working 19
- Additional refrigerant charge and check operation 19
- Additional refrigerant chargeand check operation 19
- Checking of device and installa tion conditions 19
- Checking of device and installationconditions 19
- English 14 19
- Pipe insulation 19
- 2 procedure of adding refrigerant charging and check operation 20
- 2 procedure of adding refrigerant charging andcheck operation 20
- English 20
- H h i h h h h 20
- J h h h h h h 20
- J h h h i h i 20
- J h h i h h h 20
- J h j h j j h 20
- 2 1 procedure of adding refrigerant charging 21
- Cooling mode 21
- English 16 21
- H h i h h h h 21
- Heating mode 21
- Less than above range 21
- Outdoor temp 32 f db 109 f db indoor temp 50 f db 90 f db 21
- English 22
- 1 before test run 23
- 2 2 procedure of check operation 23
- 2 test run 23
- English 18 23
- Onsite settings 23
- Test run 23
- 3 checks after test run 24
- Caution for refrigerant leaks 24
- English 24
- P215731 6m em09a060a 25
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