Mitsubishi Heavy Industries SRK60ZJX-S, Technical Manual

Page: 117 / 272

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116
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'10 • SR-T-091
'09•SRK-DB-087D
(9)
ޓ
Outline of heating operation
(a) Operation of major functional components in heating mode
(b) Details of control at each operation mode (pattern)
1) Fuzzy operation
2) Hot keep operation
ON OFF
ON ON
ON
OFF
(few minutes ON)
ON ON(HOT KEEP)
OFF
OFF
(3 minutes ON)
OFF
OFF
Thermostat ON Thermostat OFF Failure
Heating
Compressor
Indoor fan motor
Outdoor fan motor
4-way valve
(c) Defrosting operation
1)
a)
b)
c)
d)
e)
a)
b)
−
≧
− ≦ ＜
＜ − −
−
−
2)
30~115rps
30~115rps
30~76rps
30~46rps
SRK35ZJ-S
23~106rps
23~106rps
23~78rps
23~50rps
SRK50ZJ-S
30~115rps
30~115rps
30~72rps
30~42rps
SRK25ZJ-S
30~115rps
30~115rps
30~66rps
30~40rps
SRK20ZJ-S
Model
Fan speed
Auto
MED
HI
LO
(model 50 : 35)
(model 50 : 35)
(model 50 : ≧ − 2
ޓ
)
(model 50 :
≧ −
2
ޓ
)
a) b) c) e)
(model 50 : 10 )
16 minutes and 50 seconds (model 50 : 18 minutes).
-20
-20 -15 -10 -5 0 5 10
-15
-10
-5
0
Outdoor air temperature ( ℃ )
O
ut
do
or
he
at
ex
ch
an
ge
r
te
m
pe
ra
tu
re
(
℃
)
-20
-20 -15 -10 -5 0 5 10
-15
-10
-5
0
Outdoor air temperature ( ℃ )
O
ut
do
or
he
at
ex
ch
an
ge
r
te
m
pe
ra
tu
re
(
℃
)
Defrost operation
start
Defrost operation
start
De
fro
st
op
era
tio
n s
tar
t t
em
pe
rat
ur
e
De
fro
st
op
era
tio
n s
tar
t t
em
pe
rat
ur
e
Models 20
～
35 Model 50