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Verfügbare Sprachen
Verfügbare Sprachen
5. Room Temperature Thermistor Circuit
The voltage at @) depends on the room
temperature as shown in Fig. 5-2
Fig. 5-1 shows the room temperature
thermistor circuit
(+) eee Ronee Renee ee
eens Sigh oes Deustds ess
BV
|
!
|
!
!
f] Room temperature
Micro
Be ee et? Neuve 4 : aes: ; paaaiaa : eer ene asaeetise eee
thermistor
computer
=
Room
gl Soessiatens: eoseicea? inacrer ea Matsa'
tes
temp. input
3
@
'
t
'
H
& »
genes Come
eae —
ov
ov
s
!
!
!
!
!
Fig. 5-1
1
bonnannsn bosnasn=e= beceenen co
0
1
'
1
t
1
0
10
20
30
40
Room temperature (°C)
Fig. 5-2
6. Heat exchanger temperature thermistor circuit
5V
i] Heat exchanger
Micro computer
temperature thermistor
(4) Heat exchanger
temperature input
OV
OV
Fig. 6-1
The circuit detects the indoor heat exchanger
§/--------- | meteastet : aSlosende : seabsecee ; re
: te Soe
temperature and controls the following.
(1) Preheating.
(2) Low-temperature defrosting during cooling
wat poosee
| bam
ee oe [nie a ees, pee
es
and dehumidifying operation.
=
(3) Detection of the reversing valve non-operation
€) Bbc
ete hs GG, aicmioss Tactiees. fette oe
ia
or heat exchanger temperature thermistor open.
7
The voltage at @) depends on the heat exchanger
2
temperature as shown in Fig. 6-2.
2 2 aaa ibaa
ag eine Gh
kirsis
pik ded plea
>
i ooenece ee asiash Desi f eseatiat ee !
0
'
i
'
i
1
J
t
10
0
10
20
30
40
Heat exchanger temperature (°C)
Fig. 6-2
- 136 -
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