Hitachi UTOPIA RAS-4HVRP2E - Function Setting (by 7-Segment Display); Sequence of the Function Setting

6 Optional functions
RAS-(4-6)H(V)(R/N)(C/P)2E
SMGB0136 rev.0 - 07/2021
130
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Defrosting signal (Control function nº4)
This function is used to receive the defrosting signal.
The auxiliary contact relay (RYa) is closed during defrosting.
Setting example:
Defrosting Stoppage at Output 2 (between 1 and 3 pins of CN7).
7
a Auxiliary relay
b 3-pin connector
c Connector CN7
d Outdoor unit PCB1
6.2.3 Function setting (by 7–segment display)
6.2.3.1 Sequence of the function setting
1 Set DSW1 PIN4 of the outdoor unit to ON position before performing in order to prevent the compressor from being
activated (outdoor unit stoppage). This setting must be carried out during stoppage of the outdoor unit.
2 By selecting DSW2 PIN5 “Function setting”, the following appears on the 7-segment display.
Function setting item
? NOTE
Afterthesettingiscompleted,checkthat“Menu”isnotshowninthedisplay,otherwisetheairconditionermaynotoperatecorrectly.
3 Pressing PSW2 and PSW3 changes the function setting item. After the each function setting item appear the function
number, pressing PSW1 it can be changed.