41
c. Suction and discharge stop valves
In order to isolate the compressor from system for maintenance and service purposes, it is recommended install
suction and discharge stop valves. Please refer to the following detail of Hanbell stop valves.
Model
Stop Valve Size
Model
Stop Valve Size
Discharge
Suction
Discharge
Suction
RC2-100
1 1/2
″
2
″
RC2-470
2 1/2
″
4
″
RC2-140
1 1/2
″
2
″
RC2-510
3
″
4
″
RC2-180
1 1/2
″
2 1/2
″
RC2-550
3
″
4
″
RC2-200
1 1/2
″
2 1/2
″
RC2-580
3
″
4
″
RC2-230
2
″
3
″
RC2-620
3
″
5
″
RC2-260
2
″
3
″
RC2-710
4
″
5
″
RC2-300
2
″
3
″
RC2-790
4
″
5
″
RC2-310
2
″
3
″
RC2-830
4
″
5
″
RC2-320
2
″
3
″
RC2-930
4
″
5
″
RC2-340
2 1/2
″
4
″
RC2-1020
4
″
6
″
RC2-370
2 1/2
″
4
″
RC2-1130
4
″
6
″
RC2-410
2 1/2
″
4
″
RC2-1270
5
″
8
″
RC2-430
2 1/2
″
4
″
RC2-1530
5
″
8
″
Figure 16 Dimension of stop valve Figure 17 5” Suction stop valve
Dia.
Dimensions
unit: mm
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
1 1/2
″
60
75
36
59
76
6
5
106
75
256
115
18
105
M16x2
105
2”
70
90
60
69
91
6
5
122
86
280
128
18
120
M16x2
120
2 1/2
″
90
110
67
89
111
6
5
137
95
307
153
18
140
M16x2
140
3
″
100
120
80
99
121
6
5
154
117
398
177
22
160
M20x2.5
160
4
″
125
145
105
124
146
6
5
171
130
445
201
22
185
M20x2.5
185
5”
30
30
126
194
194
248 230
230
214
338
474
161
* Specification of stop valve
Maximum working pressure
Hydrostatic pressure test
Refrigerant
Temperature range
28 kg / cm² g
42 kg / cm² g
HFC, HCFC
−
40˚C~150˚C
d. INT69HBY motor protector and PTC temperature sensor
In order to protect compressors, every RC2-AV series compressor has four PTC temperature sensors (thermistors),
three embedded in motor coil and one at the discharge port of the compressor. These sensors are connected to
INT69HBY protection module to monitor the motor coil temperature and discharge temperature. If the temperature in
one of the positions monitored exceeds the target temperature (for standard PTC thermistor: 110
o
C), the sensor
resistance increases dramatically and the protector INT69HBY output relay trips.
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