-
135
-
'14 • KX-SM-204
P
C
B
0
0
3
Z
8
6
3
Models
FDC280KXZ
X
E1,
335KXZ
X
E1
Notes (1) Preset point of protective devices
63H1-1 : Open 4.15MPa, Close 3.15MPa
(For protection)
(2) Function of thermistor
PSH : For compressor control
3.70 ON (MPa)
PSL : ON 0.18MPa, OFF 0.20MPa
(For compressor control)
ON 0.134MPa, OFF 0.18MPa
(For protection)
Thi-R1, R2 : Heating operation : Indoor fan control.
Cooling operation : Frost prevention control.
Super heat control.
Thi-R3 : For super heat control of cooling operation.
Tho-D1 : For control of discharge pipe temperature.
Tho-C1 : For control of temperature under the dome.
Tho-S : For control of suction pipe temperature.
Tho-R1, R2 : For control of defrosting.
Tho-A : For control of defrosting.
Tho-R3, R4 : Electronic expansion valve (EEVH1, 2) control of heating operation
Tho-SC : Electronic expansion valve (EEVSC) control of cooling operation.
Tho-H : For super heat control of sub-cooling coil.
Gas line
Liquid line
Strainer
Electronic
expansion valve
Strainer
To next indoor units
(Thi-R2)
)
e
c
n
ar
tn
E
(r
ot
si
m
re
h
T
(Thi-A)
Thermistor
)
ti
x
E
(r
ot
si
m
re
h
T
(Thi-R3)
)
d
n
e
B
(r
ot
si
m
re
h
T
(Thi-R1)
(Thi-R2)
Thermistor
(Thi-A)
)
e
c
n
ar
tn
E
(r
ot
si
m
re
h
T
)
ti
x
E
(r
ot
si
m
re
h
T
(Thi-R3)
Heat
exchanger
Outdoor unit
Indoor unit
For outdoor
unit 2
Electronic
expansion valve
)
C
S
V
E
E
(
Check joint
High pressure
)
H
SP
(r
os
n
es
4way valve
Sub-cooling coil
Thermistor
(Tho-SC)
(Tho-C1)
Thermistor
Compressor 1
CM1
Oil
separator
Check valve
Thermistor
(Tho-D1)
Service valve
Receiver
(Tho-A)
Sub-cooling coil
Thermistor
(Tho-S)
(
Tho-R
2)
(
Tho-R
1)
Thermistor
Muffler
Capillary tube
Heat
exchanger
Strainer
Electronic
expansion valve
Strainer
Indoor unit
)
d
n
e
B
(r
ot
si
m
re
h
T
(Thi-R1)
Strainer
Solenoid valv
e(
SV
6)
Capillary tube
Service valve
(Oil equalization line)
Strainer
Service valve
Strainer
Strainer
Strainer
High pressure
switch(63H1-1)
Capillary tube
Solenoid valve (SV
1)
Capillary tube
Accumulator
Low pressure
)
LS
P
(r
os
n
es
Check joint
Sub-cooling coil Thermistor (Tho-
H)
Sub-cooling
coil
Strainer
Strainer
Electronic expansion valve (EEVH
1)
Electronic expansion valve (EEVH
2)
Sub-cooling
coil
Heat exchanger
(
Tho-R
3)
(
Thermisto
r,Entranc
e・
Fron
t)
(
Tho-R
4)
(
Thermisto
r,Entranc
e・
Bac
k)
Solenoid valv
e(
20U
F)
Heat exchanger
(
Thermisto
r,Exi
t・Bac
k)
(
Thermisto
r,Exi
t・Fron
t)
Strainer