Hitachi RAS-3.0TNESNH1 - Heating Mode Logic Rules

5
5
. CONT
R
R
OL LO
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IC DES
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RIPTIO
N
N
53
5
I
I
t
s
T
T
300
nn several
wwill not run
eeveral min
he auto fa
1 is indoo
OOutdoor fa
OO
SS
ww
DD
byy the rule
300
rpm~60rppm.
.3 Heatingg Mode
nndoor fan rrunning rul
eemperaturee. T ha t is
utes, the s
n:
nn running r
nce the ouutdoor fan
ingle outdoo
ill regulatee
ouble outddoor fan: If
s, and th
rpm~60rppm.
es:
mminutes aftter the he
until the hheat exch
because
rr room temm
ules:
start up, it
or fan: Firrst, it will r
the speedd by the in
cold air
peed can bb
pprevention
e selecte
perature. TTs is settin
will follow
uun in an in
it has twoo
ee downer ffan speed
0
2
aating modee is starte
aanger of thhe indoor
d as high,
gg tempera
the below
vvariable s
outdoor faans, the u
4
(medium),
tture.
rules:
ppeed for a
eemperatureeddoor-coil t .
lower thaan the up
dd, the fan oof the ind
uunit reachees a high
system iss
ppper fan reggulates th
pper fan sp
ooor unit
enough
operatingg. After
low and auto.
sshort time;; Then it
ee speed
eed for
Low
Mediuum
Hiigh
TTs-T1