Hitachi DSP-110A6N, Instruction Manual, Page: 64 / 126

62
8. STANDARD COMPONENTS AND SUBSYSTEMS [Air/Oil/Water Flow]
Flow Diagram (Fixed speed type)
Air-Cooled
36
54
1
2
9
TH2
TH5
PS1
TH4
PS4
6
31
32
37
12
11
40
35
52 51
53
39
22
TH3
38
3
4
23
21
24
5
34
33
7
63SV
14
14
8
41
Suction
Discharge
Air Intake
for coolers
Air Intake
for Motor
Control air
Exhaust Exhaust
Air Intake for coolers
MOHR
13 16
13 16
PS2
15
M
10
Legend of the Diagram
Compressor Air Flow
1 1st-Stage Air-End
2 2nd-Stage Air-end
3 Gear Case
4 Stepup Gear
5 Main Motor
6 Intercooler
7 Check Valve
8 Hi-Precooler
9 Aftercooler
10 Air Relief Valve
11 Discharge port
12 Check Valve
13 Drain Solenoid
14 Orifice
15 Motorized Isolation Valve
16 Y-type Strainer
Capacity Control & Blowoff Air Flow
21 Air Intake Filter
22 Suction Throttle Valve
23 Blowoff Valve
24 Blowoff Silencer
Oil Flow
31 Oil Strainer
32 Oil Pump
33 Oil Relief Valve
34 Oil Filter
35 Oil Cooler
36 Temperature Control Valve
37 Oil Mist Venting Pipe
38 Oil Drain Valve (1)
39 Oil Drain Valve (2
）
40 Oil Drain Valve (3
）
41 Oil Mist Remover
Cooling Air Flow and Enclosure
51 Cooling Fan (1)
52 Cooling Fan (2)
53 Enclosure
54 Air Intake Duct
Legend of Sensors and Switches
Symbol Part Name
PS2 Pressure Sensor (discharge air pressure)
PS4 Pressure Sensor (oil pressure)
PS1 Pressure Sensor (interstage pressure)
TH2 Temperature Sensor (2nd-stage in)
TH4 Temperature Sensor (1st-stage out)
TH3 Temperature Sensor (2nd-stage out)
TH5 Temperature Sensor (oil)
MOHR Thermostat (for main motor bearing)
63SV
Pressure Differential Sensor
(For suction Filter clogging detection)