Hitachi RAS-(2-3)HVRN(S)(2), Service Manual

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6 Optional functions
168
SMGB0064 rev.0 - 08/2011
• Selecting the optional function
Fixing of demand
function
Not available
PSW1
SET* PSW2 PSW3
Available
Wave function
setting
Not available
PSW1
SET* PSW2 PSW3
Available
Indoor temperature
setting for energy
saving
Not available
PSW1
SET* PSW2 PSW3
Available
Slo defrost setting Not available
PSW1
SET* PSW2 PSW3
Available
Low noise settings Not available
PSW1
SET* PSW2 PSW3
Available
Night shift Not available
PSW1
SET* PSW2 PSW3
Available
Defrost condition Not available
PSW1
SET* PSW2 PSW3
Available
SEG2 SEG1
Fixing of frequency Not available
PSW1
SET* PSW2 PSW3
Available
Cold draft
protection 1
Not available
PSW1
SET* PSW2 PSW3
Available
Cold draft
protection 2
Not available
PSW1
SET* PSW2 PSW3
Available
1 While the outdoor unit is ON, set the following DIP switches on the printed circuit board of the indoor unit as follows:
set pin 5 of DSW2 to ON. Because of these settings, the function selection mode becomes available and the following
indication appears on the 7-segment display.
Fixing of demand function Available
d e
→
←
1
This indicates that the “fixing of demand” function is available.
2 By pressing push switches PSW2 and PSW3, you change the input/output terminal name. The flowcharts shown on the
figure reflects the changes on the 7-segment display when you press PSW2 and PSW3. (See the flowcharts).
3 After selecting the terminal of the function setting, select the availability function by pressing the PSW1.
4 After setting the pin 5 of DSW2 to OFF, the selected contents are memorized in the PCB of the outdoor unit, and, im-
mediately afterwards, the function selection mode is set to OFF. The memorized data is maintained even when the
power supply wires are disconnected.