Mitsubishi CITY MULTI PURY-EM-YNW-A1(-BS) Series Installation Manual page 41

Air-conditioners for building application; outdoor unit
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Do not use means to accelerate the defrosting process or to clean, other than those
recommended by the manufacturer.
The unit shall be stored in a room without continuously operating ignition sources (for
example: open flames, an operating gas appliance or an operating electric heater.)
Do not pierce or burn.
Be aware that refrigerants may not contain an odour.
The unit shall be stored in a space where any possible leakage of refrigerant will not
accumulate.
When installing an HBC controller, take safety measures in accordance with the European
Standard, based on the system refrigerant amount and the room volume as shown in the
figure below. (The installation restrictions can be simply found by using the flowchart
provided on a separate sheet.)
80
NG (ISO 5149)
70
60
At least two safety
50
measures are
required.
40
30
20
10
0
0
50
100 150 200 250 300 350 400 450 500 550 600 650
Room volume [m
The unit shall be properly stored to prevent mechanical damage.
WT09050X01
At least one safety
measure is required.
Construction guidance
]
3
39

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