Mitsubishi Electric PURY-P200YLM-A(1) Service Handbook page 90

[3-3 Functions of the Major Components of Outdoor Unit ]
Part Symbols
name (functions)
Thermis- TH3
tor (Pipe
temperature)
TH7
(Outdoor tem-
perature)
TH5
TH6
TH9
TH11
TH12
THHS
Inverter
heat sink tem-
perature
THL DCL tem-
perature
Sole- SV1a
noid Discharge-suc-
valve tion
bypass
SV4a - SV4d
Heat
exchanger
capacity control
SV5b
Heat
exchanger
capacity control
SV7
SV10
SV11
SV9
HWE1314A
Notes Usage
Controls defrosting during heating
operation
1) Detects outdoor air tempera-
ture
2) Controls fan operation
Fan operated on the 63LS and
TH5 values.
Controls defrosting during heating
operation
Controls inverter cooling fan
based on THHS temperature
DCL overheat protection
1) High/low pressure bypass at
start-up and stopping, and
capacity control during low-
load operation
2) High-pressure-rise preven-
tion
Controls outdoor unit heat ex-
changer capacity
Prevents high-pressure-rise
Controls defrost cycle
Controls bypass during heating
operation
Switching when Continuous heat-
ing mode
High-pressure-rise prevention
Specifications
Degrees Celsius
R = 15k
0
R = 3460
0/80
R = 15 exp
3460
t
0°C[32°F] :15 kΩ
10°C[50°F] :9.7 kΩ
20°C[68°F] :6.4 kΩ
25°C[77°F] :5.3 kΩ
30°C[86°F] :4.3 kΩ
40°C[104°F] :3.1 kΩ
Degrees Celsius
R = 17k
50
R = 4016
25/120
R = 17 exp
4016
t
0°C[32°F] :161 kΩ
10°C[50°F] :97 kΩ
20°C[68°F] :60 kΩ
25°C[77°F] :48 kΩ
30°C[86°F] :39 kΩ
40°C[104°F] :25 kΩ
Degrees Celsius
R = 3.3k
100
B = 3970
0/100
R =3.3 exp
3970
t
0°C[32°F] :162.2 kΩ
10°C[50°F] :98.3 kΩ
25°C[77°F] :49.1 kΩ
50°C[122°F] :17.6 kΩ
100°C[212°F] :3.3 kΩ
AC220 - 240V
Open while being powered/
closed while not being pow-
ered
AC220 - 240V
Closed while being powered/
open while not being pow-
ered
AC220 - 240V
Dead: cooling cycle
Live: heating cycle
AC220 - 240V
Open while being powered/
closed while not being pow-
ered
AC220 - 240V
Open while being powered/
closed while not being pow-
ered
- 79 -
Check method
Resistance check
1 1
273
1 1
323
1 1
373
Continuity check
with a tester
GB