Hitachi RAC-PH18WHLAE, Руководство по обслуживанию

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Control content
outdoor unit fan
rotation stop waiting
Period to detect
temp.
1st frost 1st defrost 2nd frost 2nd defrost Dry
Time 1 min 3 min
㻝㻡㻌㼙㼕㼚䠄㻹㼍㼤䠅
3 min
㻝㻜㻌㼙㼕㼚䠄㻹㼍㼤䠅
3 min 30 min
Outdoor unit Fan Stop 400min-1 100min-1 Stop 100min-1 Stop 500min-1
Compressor Operation Stop Operation
4 way Valve
Indoor unit
up-down flap
Close
Indoor unit Fan Stop 450min-1 Operation Stop Operation
FrostWash lamp
Stop
Lighting Off
Heating
Stop Stop
Continue the previous operating state
㻯
lose Open
Operates when the following conditions are met
˖
When the clean operation start time or the last stop time is reached during stop
* It does not work at the time stopped by the off timer.
Elapsed after setting
the time integration
for "Outdoor unit
frost wash".
60 days passed
Judge room temp. & outdoor tem
Ɖ͘
Room temp.
Outdoor temp.
77
‘
62.6
41
Operating range [B area]
Operating range
[A area]
ō
The number of freeze executions differs depending on the area.
If it is within the range of area A, execute it twice.
Execute once in the B area. (Executes the second operation content)
If it is out of range, it will not be executed.
ō
When the outdoor wind is strong, "outdoor unit frost wash" is not executed.
Frost wash the
heat exchanger of
the outdoor unit
ō
Even if the start time is reached, the outdoor unit frost wash will not operate if the air conditioner is operating.
It works at the same time the next day.
* In addition to normal operation, indoor unit frost wash, auto fresh defrost, etc. are included during operation.
ō
When operating at the start time of clean operation, if the operation timing overlaps with the indoor unit frost wash,
the outdoor unit frost wash will not operate.
KƵƚĚŽŽƌƵŶŝƚĨƌŽƐƚǁĂƐŚ
˖
When operation for 10 minutes or more and stopping
Elapsed after
setting the time
integration for
"Outdoor unit
55 days passed
Judge room temp. & outdoor temp.
Reverse rotation of
the fan of the
outdoor unit
Frost wash the
heat exchanger of
the outdoor unit
ō
If the operation is stopped by the off timer, the outdoor unit frost wash will not operate.
ō
If the operation timing overlaps with the frost wash of the indoor unit, the outdoor unit frost wash will not operate.
Judgment is made in the same
way as "when the clean operation
start time or the last stop time is
reached during stop".
Time changes depending
on temperature conditions
Control content
ō
If there is a function (auto fresh defrost / outdoor unit fan reverse rotation) that overlaps with the outdoor unit frost wash,
it will wait until the end in the "waiting for outdoor unit fan rotation stop" period.
ō
If the pressure balance period is 3 minutes, wait until the end of the pressure balance time without proceeding from the "waiting for outdoor unit fan stop" period.
ō
The 1st frost, freezes the entire heat exchanger. For the 2nd frost, only freezes the lower part of the heat exchanger.
41 62.6 77
‘
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