Hitachi RAS-5101CH Servicehandbuch Seite 53

Operation mode
Set circulation veloci LO (sleep operation)
Set
temperature +60 minutes, :
Start/stop switch :
— ot
Sleep key
Operation lamp i
Heating
5 deg down
Set circulation
Set
temperature c
velocity
+60 minutes, i LO (sleep operation)
Start/stop switch
Sleep key
Operation lamp i
Automatic |
« Sleep operation is executed
for each operation mode.
—
Timer lamp : (a ee ee ee
Sleep key
ee : , '
:
+ When the sleep key is switched on during OFF timer operation, the OFF timer will be canceled.
+ The operation is
7 ; mperature
switched OFF
oe
OC ees hola
at the set time
+ Sleep operation is executed
after sleep shift in
Set at
5 deg down
for each operation mode
sensor dehumidification
emperalure
-\—set circulation
'
A
o e tress
velocity
— ~ 7 +; 7
epee
is limited '
Nistes'
Start/stop switch
1.60 minutes,j LO (sleep operation)
: :
\
+ 60 minutes after the sleep key is switched on, sleep operation
Sleep key ;
i i
is started. : ; ; ; Operation lamp } : 7 ;
- When the sleep key is switched on during OFF timer operation,
—_—_f______—_—_—
_______
=
i—
. .
lee} the OFF timer will be canceled.
O_O
- When the sleep key is switched on during ON after a timer reservation, sleep operation will be started.
=F —-
"Strong" circulation
- At the time of heating
30 sec 30 sec 15sec 30 sec 30 sec
.
operation mode, the same
Start/stop switch
operation as for heating
Thermostat signal
is executed.
Fan relay H
Fan relay L
8 Preheating
operation
3 minutes
Notes:
- Even when the preheating signal is not given as input, heating operation is started when
3 minutes have passed for T.
- Preheating operation is executed at the time of operation start and after completion
of defrosting, and at all other times, there is no operation, independent of the preheating signal.
|
Defrosting
f .
7
start
Completion
| .
+ Defrosting of each operation
Indoor heat exchanger
Te
15 minutes-TE
mode is executed.
thermistor temperature
30 seo, 30 sec
Th ——
Start/stop switch rT
|
Detrosting signal | ||| i i —«<#» —s| {jj
Preheating signal es = —— | | a eel
Fan relay H
Fan relay H ae bE
ee ae
a a
S = 4
Fan relay L a <2
p HHH sec
2 Power relay aaa
Fan relay § ae
ed
3B Stick relay eye
Powerrelay 25:0
ed | 2:
Say
© Outside fan rela haar
Stick rela
8
Cs
Outside fan rela
© Operation lamp
Reversing vaive rela
(scons Si Heater relay
Defrosting
————
9 (including automatic
5 aa
Operation lamp —
————
—{_{|_|
fresh defrosting).
% Fan relay S
Hot keep lamp FS
———Saat
||
: ns
hse se hehe esha
Mo]
T
2 Power rela fe ed
Maa
Ak i us
3 Stick rela
30sec 60 sec
30sec 60sec 3 minutes
_ Qutside fan rela eae
3
;
+ For the time TE after start of heating operation, defrosting will not be
& Qperation tamp
executed even when the defrosting signal is given as input. TA 10 min.
(Reverse cycle defrosting) min.
TB 30 sec
(Silencing period)
TC 30 sec
(Cycle balancing time)
(Defrosting prohibition
time)
+ When the reserve cycle defrosting TA has continued for the time
shown in the table on the left, the operation advances to TB and TC
independent of the defrosting signal.
+ When the power relay becomes ON after expiration of the time TE,
defrosting will be started immediately with input of the defrosting signal.
+ Once defrosting has been completed, the defrosting signal is not
accepted for the time TE.
+ When a defrosting signal has been given as input at the time of stop
by means of the start/stop switch or at the time of OFF timer count-up,
defrosting is executed before operation stop.
+ The defrosting signal is not accepted at the time of overload input.
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