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Daikin RQYQ16PY1 [19/20] English 14
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English 14
large. This assures that the maximum concentration level of refriger-
ant gas is not exceeded, in the unlikely event of major leak in the sys-
tem and this in accordance to the local applicable regulations and
standards.
Maximum concentration level
The maximum charge of refrigerant and the calculation of the maxi-
mum 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 kg/m
3
( the weight in
kg of the refrigerant gas in 1m
3
volume of the occupied space).
Compliance to the local applicable regulations and standards for the
maximum allowable concentration level is required.
In Australia the maximum allowed concentration level of refrigerant to
a humanly space is limited to 0.35kg/m
3
for R407C and 0.44kg/m
3
for
R410A.
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 (kg) charged to each system
separately.
Note
• Where a single refrigerant facility is divided into 2 entirely inde-
pendent refrigerant systems then use the amount of refrigerant
with which each separate system is charged.
2.
Calculate the smallest room volume (m
3
)
Incase like the following, calculate the volume of (A), (B) as a sin-
gle 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 calcu-
lations in steps 1 and 2 above.
If the result of the above calculation exceeds the maximum con-
centration level then make similar calculations for the second then
third smallest room and so until the result falls short of the maxi-
mum concentration.
4.
Dealing with the situations where the result exceeds the maxi-
mum concentration level.
Where the installation of a facility results in a concentration in
excess of the maximum concentration level then it will be neces-
sary 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 refriger-
ant (kg) in
the system
total volume of refrigerant in the
refrigerant system
≤
maximum concen-
tration level (kg/m
3
)
size (m
3
) of smallest room in which
there is an indoor unit installed
2
1
1
2
Содержание
- Installation manual 1 1
- System air conditioner 1
- Ve upq series 1
- Figure 1 3
- Figure 10 figure 11 figure 12 figure 13 3
- Figure 14 3
- Figure 15 3
- Figure 2 3
- Figure 3 3
- Figure 4 3
- Figure 5 3
- Figure 6 3
- Figure 7 3
- Figure 8 3
- Figure 9 3
- Figure 16 4
- Figure 17 4
- Figure 18 4
- Figure 19 figure 20 4
- Figure 21 4
- Figure 22 4
- Figure 23 4
- Figure 24 4
- Figure 25 4
- Figure 26 4
- Figure 27 5
- Figure 28 5
- Figure 29 figure 30 5
- Figure 31 figure 32 5
- Figure 33 5
- Figure 34 5
- 1 safety precautions 6
- Contents 6
- English 6
- First of all 6
- Installation manual 6
- 1 combination 7
- 2 special notice of product 7
- 3 disposal requirements 7
- English 2 7
- Introduction 7
- 2 standard supplied accessories 8
- 3 option accessory 8
- 4 technical and electrical specifications 8
- 5 main components 8
- 6 installation process 8
- English 8
- Selection of location 8
- 1 selection of piping material and refrigerant branching kit 9
- English 4 9
- Inspecting and handling the unit 9
- Placing the unit 9
- Refrigerant piping 9
- 2 protection against contamination when installing pipes 10
- 3 pipe connection 10
- 4 connecting the refrigerant piping 10
- A b 25 10
- Cutting location 10
- English 10
- Gas side accessory pipe 2 10
- Gas side piping field supply 10
- Change as shown in the figure below rising height 200 mm or more 11
- Change to pattern 1 or pattern 2 11
- English 6 11
- Front connections 11
- If 2 m or more 11
- If less than 2m 11
- Less than 2m 11
- M or more 11
- Oil remains in the stopping outdoor unit 11
- Outdoor unit gas pipe 11
- Pattern 1 11
- Pattern 2 11
- Prohibited pattern 11
- To indoor unit 11
- Unit a 11
- Unit b 11
- 1 power circuit safety device and cable requirements 12
- 2 wiring connection example for whole system 12
- 3 leading wire procedure 12
- English 12
- Field wiring 12
- 4 transmission wiring connection procedure 13
- 5 power wiring connection procedure 13
- English 8 13
- Power wire crimp style terminal 13
- 1 preparations 14
- 2 air tight test and vacuum drying method 14
- 6 procedure for wiring inside units 14
- Air tight test and vacuum dry ing 14
- Air tight test and vacuum drying 14
- Crimp style terminal 14
- Cup washer 14
- Cut out section 14
- English 14
- R410a label 14
- Resin hook 14
- Terminal block crip style terminal wire narrow wire thick 14
- 1 before working 15
- Additional refrigerant charge and check operation 15
- Checking of device and instal lation conditions 15
- Checking of device and installation conditions 15
- English 10 15
- Pipe insulation 15
- 2 procedure of adding refrigerant charging and check operation 17
- English 12 17
- 1 before test run 18
- 1 onsite settings with the power off 18
- 2 onsite settings with the power on 18
- 2 test run 18
- 3 checks after test run 18
- Caution for refrigerant leaks 18
- English 18
- Onsite settings 18
- Test run 18
- English 14 19
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