Hitachi SET FREE Serie Manual De Instrucciones página 68

MAIN SAFETY DEVICES
remote Control
switch indication
The power source of Outdoor Unit is not
turned ON.
The connection of the remote control cable is
No indication
incorrect.
The connecting wires of power supply line are
incorrect or loosened.
The power source of Outdoor Unit is not
turned ON.
Counting number of The operating line wiring between indoor unit
connected units is and outdoor unit is not connected.
incorrect
The connection of control cables between
each indoor units are incorrect. (When one
remote control switch controls multiple units)
Instructions fot the recovery when the fuse of the transmission circuit is blown out:
1
Correct the wiring to the terminal board.
2
Set the 1st pin of DSW7 on the indoor unit PCB to ON.
12 main safetY DeViCes
Compressor protection
The compressor is protected by the following devices and their combinations:
1 Pressure switch: this switch stops the compressor when the discharge pressure exceeds the set value.
2 Oil heater: this band-type heater protects against the formation of foam on the oil during cold starts and remains enabled when
the compressor is at a standstill.
model
Pressure Switches
Cut-Out
High
Cut-In
Fuse Capacity 3N~ 400V 50Hz
Oil Heater Capacity
CCP Timer
Setting Time
Fuse Capacity 3N~ 400V 50Hz
model
Pressure Switches
Cut-Out
High
Cut-In
Fuse Capacity 3N~ 400V 50Hz
Oil Heater Capacity
CCP Timer
Setting Time
Fuse Capacity 3N~ 400V 50Hz
58 PMML0479 rev.2 - 02/2018
Wrong Portions
ras-8fsXnse ras-10fsXnse
for Compressor
-0.05
MPa 4.15
-0.15
MPa 3,20
+0,15
A 50
W 37.3 x 3
min.
for DC fan module
A 5
ras-18fsXnse
for Compressor
-0.05
MPa 4.15
-0.15
MPa 3,20
+0,15
A 50
W 37.3 x 6
min.
for DC fan module
A 5
inspection Points after Power source off
1
Connecting Points of Remote Control Cable terminal board of
Remote Control switch and indoor unit.
2
Contact of Terminals of Remote Control Cable
3
Connection Order of each Terminal Board
4
Screw Fastening of each Terminal Boards.
5
Dip Switch Setting on Printed Circuit Board
6
Connecting on the PCB
7
This is the same as item 1, 2 , and 3.
ras-12fsXnse
Automatic Reset, Non-Adjustable
(each one for each compressor)
-0.05 -0.05
4.15 4.15
-0.15 -0.15
3,20 3,20
+0,15 +0,15
50 50
37.3 x 3 37.3 x 3
Non-Adjustable
3
5 5
ras-20fsXnse ras-22fsXnse
Automatic Reset, Non-Adjustable
(each one for each compressor)
-0.05
4.15
-0.15
3,20
+0,15
50
37.3 x 6
Non-Adjustable
3
5
ras-14fsXnse ras-16fsXnse
-0.05
4.15 4.15
-0.15
3,20 3,20
+0,15
50
37.3 x 3 37.3 x 6
10
ras-24fsXnse
-0.05 -0.05
4.15 4.15
-0.15 -0.15
3,20 3,20
+0,15 +0,15
50 50
37.3 x 6 37.3 x 6
5 5
-0.05
-0.15
+0,15
50
5