Hitachi RAS-5FSN Installations- Und Betriebshandbuch Seite 294

2
:
-
µ µ
µ µ
µ ).
PED. ,
µ
µ µ
,
.
, µ
µ .
µ
µ µ µ
,
µ µ
.
,
-
.
1 FSG RAS-5FSG
2 FXG RAS-8FXG
3 FXG RAS-5FSN
4 FXN RAS-8FXN
:
µ
µ
Location of High Pressure Switch
Accumulator Compressor
:
-
µ µ
.
µ
.
:
µ
PED (
µ µ
µ ,
µ
, µ
( )
µ
µ
.
µ
µ
RAS-30FSG1 R407C
RAS-30FXG1 R407C
RAS-30FSN R410A
RAS-30FXN R410A
PED
.
.
Connected to the
electrical wire
µ
,
µ
:
-
µ
:
-
µ
µ
µ
µ
.
:
µ µ
µ
(MPa)
3,3
3,15 ~ 3,25
3,3
4,15
4,00 ~ 4,10
4,15
:
µµ
µ "PSH", µ
µ (PCB1)
Structure of Pressure Switch High
Contact Point
/
.
.
,
(MPa)
µ
µ
µ .
Pressure Detected