Hitachi RAS-(2-6)HVNP1(E), Руководство по обслуживанию

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5 Control System
147
SMGB0087 rev.0 - 12/2013
5
5.4.2 Dry operation
Power to
outdoor unit:
ON
Power to CH: ON
Power to
indoor unit:
ON
Power PCB in IU: ON
Start of transmission between IU
and OU.
Start of transmission between IU
and remote control switch.
Auto-louver 0 reset
Power to YH2 in
IU: OFF
FS
MD : ON
(Higher than activation level)
(Lower than activation level)
(for unit with drain pump)
Set temperature
indicated
Pressing
TEMP switch
switch: increasing set temperature
switch: decreasing set temperature
Pressing
RUN/STOP
switch
DRY
operation
to 1
Power to YH2 in
IU: ON
Power to YH2: ON
Only for indoor unit with
auto-louver
Tem-
perature on
the top of comp.
≥ 60ºC
≤ 55ºC
Power to CH: OFF
ON
OFF
MD: ON
Power to EHW: ON
Run LED: ON, RUN is indicated
After
power
supply
Indication of unit stoppage
cause (d1-22)
Temp
on the top of
comp.
Temp
on the top of
comp.
Temp
on the top of
comp.
< 4 hours
(*< 2 hours)
< 50ºC
(*< 30ºC)
< 25ºC
(*< 15ºC)
≥ 25ºC
(*≥ 15ºC)
≥ 50ºC
(*≥ 30ºC)
≥ 4 hours
(*≥ 2 hours)
≥ Ta+20ºC
< Ta+20ºC
* Test run:
Hot start protection is
activated after 2 hours
or 15ºC
Only RAS-12HN(P/C)
(for unit with drain pump)
IU fan operation:
Low
1 sec.
Power to
MC
Yes
No
Power to
Y52C: ON
≥ -5ºC
out-
door temp.
< -5ºC
Higher than set
temperature
+2ºC
IU
air intake
temp.
Lower than set
temperature
Power to MC: OFF
Power to MIF: OFF
6 min.
No
Yes
IU fan operation: Low
6 min.
Yes
No
Outdoor fan MOF operation
IU: Indoor unit
OU: Outdoor unit
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