Daikin DWSC - Vintage C, Installation, Operation And Maintenance Manual

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LEGEND
ID
DESCRIPTION
1 CENTRIFUGAL COMPRESSOR
2 EVAPORATOR
3 CONDENSER
4 CHECK VALVE
5 SHUT-OFF VALVE*
6 SIGHT GLASS
7 ELECTRONIC EXPANSION VALVE
8 PLUGGED FITTING
9 SOLENOID VALVE
11 FILTER
12 DRYING FILTER #1
13 DRYING FILTER #2
14 MOTOR ACUATED VALVE
15 PRESSURE RELIEF VALVE Pset= 13,7 (10,5) bar
16 PRESSURE RELIEF VALVE Pset=13,7 bar
17 OIL HEAT EXCHANGER
18 OIL PUMP
19 WATER VALVE
20 VFD SOLENOID VALVE
21 PRESSURE RELIEF VALVE Pset= 13,7 bar
22 VFD FILTER
23 VFD HEAT EXCHANGER
24 4WAY VALVE (OIL CIRCUIT)
25 ACCESS FITTING
26 AIR VENT (WATER SIDE)
27 DRAIN (WATER SIDE)
28 BALL VALVE (WATER SIDE)
29 MANUAL ACTIVATED VALVE
30 Y FILTER (WATER SIDE)
PT PRESSURE TRANSDUCER
PZH HIGH PRESSURE SWITCH 22,7 Bar
TZAH HIGH TEMPERATURE SWITCH (MOTOR THERMISTOR)
PSAL LOW PRESSURE LIMITER (CONTROLLER FUNCTION)
TT TEMPERATURE TRANSDUCER
DPS DIFFERENTIAL PRESSURE SWITCH (* N° 2 for VFD units)
FS FLOW SWITCH
L1 SUCTION LINE (Evaporator->Compressor)
L2 DISCHARGE LINE (Compressor->Condenser)
L3 MAIN LIQUID LINE (Condenser->Evaporator)
L4 MOTOR COOLING LINE #1 (Cond->Filter)
L5 MOTOR COOLING LINE #2 (Filter)
L6 MOTOR COOLING LINE #3 (Filter->Checkvalve)
L7 MOTOR COOLING LINE #4 (Check valve->Motor)
L8 LIQUID INJECTION #1 (Condenser->Solenoid valve)
L9 LIQUID INJECTION #2 (Solenoidvalve->Compressor)
L10 MOTOR COOLING LINE #5 (Motor->Evaporator)
L11 THD/VFD COOLING LINE (*n° 2 lines L11 for doubleVFD)
L12 OIL FEED LINE #1 (Oil Cooler->Compressor)
L13 OIL FEED LINE #2
L14 OIL FEED LINE #3
L15 DRAIN LINE (Compressor->Oil Tank)
L16 VENT LINE (Compressor->Oil Tank)
L17 OIL EQUALIZER LINE (Compressor->Oil Tank)
L18 THURST PUMP LINE (Compressor->Checkvalve)
L19 WATER LINE OUT
L20 WATER LINE IN
L21 HOT GAS BYPASS LINE
L22 OIL LINE
All the shut off valves (ID 5) are only service valves and they shall not be closed except for
maintenance operations.