Setting Of Dip Switches And Rsw Switches; Outdoor Unit - Hitachi RAS-H(V)RNME-AF Service Manual

4 Electrical wiring

4.2 Setting of DIP switches and RSW switches

4.2.1 Outdoor unit

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Location of DIP switches and RSW switches
The PCB (see the electrical wiring diagram - plane a) in the outdoor unit is operated with different dip switches, rotary
switches and push switches.
Position switches at the PCB:
PCB1
N O T E
• The mark "■" indicates the position of dips switches.
• No mark "■" indicates pin position is not affecting.
• The figures show the settings before shipment or after selection.
C A U T I O N
Before setting dips switches, first turn the power source off and then set the position of the dips switches. In
case of setting the switches without turning the power source off, the contents of the setting are invalid.
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Function of the of DIP switches and RSW switches
DSW1: Test Run
N O T E
• It is possible to select the cancellation of the outdoor hot start control by pushing both PSW1 & PSW3 simul-
taneously during 3 seconds.
• This operation is reset once the compressor is in Thermo-ON mode.
• During the test run operation the units will operate continuously during 2 hours without Thermo-OFF and the
3-minute guard for compressor protection will be effective.
87
SMGB0070 rev.1 - 08/2011
RAS-2HVRN2
Function
Setting before shipment
Test run for cooling
Test run for heating
Forced stop of compressor (1)
The compressor is OFF during this operation.
RAS-(3-10)H(V)RNME-AF
PCB2
DSW1
LED2
DSW3
LED3
DSW5
Setting position
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
SEG1
DSW6
PSW2
SW1
PSW1
PSW3
DSW4
RSW
LED1
DSW2
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