Main Safety Devices; Ras-5Fsxnhe - Hitachi SET FREE Serie Manual De Instrucciones

MAIN SAFETY DEVICES

Remote Control
Switch Indication
The power source of Outdoor Unit is not
turned ON.
The connection of the remote control cable
No indication
is incorrect.
The connecting wires of power supply line
are incorrect or loosened.
The power source of Outdoor Unit is not
turned ON.
The operating line wiring between indoor
Counting number
unit and outdoor unit is not connected.
of connected units
is 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
For Compressor
Pressure Switches
Cut-Out
High
Cut-In
Fuse Capacity 3N~ 400V 50Hz
Oil Heater Capacity
CCP Timer
Setting Time
For DC Fan Module
Fuse Capacity 3N~ 400V 50Hz
Model
For Compressor
Pressure Switches
Cut-Out
High
Cut-In
Fuse Capacity 3N~ 400V 50Hz
Oil Heater Capacity
CCP Timer
Setting Time
For DC Fan Module
Fuse Capacity 3N~ 400V 50Hz
36 PMML0392B rev.1 - 07/2016
Wrong Portions
RAS-8FSXN1E
MPa
MPa
A 40 x 2
W 40.8 x 2
min.
A

RAS-5FSXNHE

MPa
MPa
A
W
min.
A
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-10FSXN1E RAS-12FSXN1E
Automatic Reset, Non-Adjustable
(each one for each compressor)
4.15
3.20
40 x 2 40 x 2
40.8 x 2 40.8 x 2
Non-Adjustable
3
20 x 1
RAS-6FSXNHE RAS-8FSXNHE
Automatic Reset, Non-Adjustable
(each one for each compressor)
4.15
3.20
40 x 2
40.8 x 2
Non-Adjustable
3
20 x 1
RAS-14FSXN1E RAS-16FSXN1E
40 x 2 + 32 x 3 40 x 2 + 32 x 3
40.8 x 4 40.8 x 4
RAS-10FSXNHE RAS-12FSXNHE