Mitsubishi Electric PURY-100TMU, Руководство по обслуживанию

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–50–
b Check the refrigerant volume by self-diagnosis using the LED.
Set the self-diagnosis switch (SW1) as shown below and check the past information (history) concerning the
refrigerant volume.
Set SW1 as shown in he figure at right.
If LD8 lights up, it indicates the refrigerant charge abnormal delay state just before emergency stop due to refriger-
ant overcharge (1500).
3
Additional Refrigerant Charge Volume
At the time of shipping from the factory, the outdoor unit is charged with the amount of coolant shown in the follow-
ing table, but since no extension piping is included, please carry out additional charging on-site.
Outdoor Unit Model Name PURY-80TMU(-A) PURY-100TMU(-A)
Refrigerant Charge Volume 10.0kg 11.0kg
(22lb 1oz) (26lb 8oz)
Calculation Formula
Calculate the additional refrigerant volume by calculating the size of the extension liquid piping and its length units (m)[ft].
Additional Refrigerant Volume (kg) = (0.16
×
L
1
) + (0.06
×
L
2
) + (0.024
×
L
3
) + A
[ (oz) = (1.72
×
L
1
) + (0.65
×
L
2
) + (0.20
×
L
3
) + A ]
L
1
: Length of ø 12.7 (3/4") liquid pipe (m) [ft]
L
2
: Length of
ø
9.52 (3/8") liquid pipe (m) [ft]
L
3
: Length of ø 6.35 (1/4") liquid pipe (m) [ft]
A: refer to the calculation table.
In the calculation results, round up fractions smaller than 0.01 kg. (Example: 18.54 kg
→
18.6 kg)
1.0oz (653.97oz
→
654oz)
(
α
Calculation Table)
Total Capacity of A
Connected Indoor Units kg (oz)
32 1.0 (36)
33 ~64 1.5 (53)
65~130 2.0 (71)
1 2 3 4 5 6 7 8 9 10
ON