SPX HPD Series - Electrical Schematic - 575 VAC, 3 Phase

35
HEATING
VALVE 'H'
SOLENOID
HEATER
3 WAY
NO
VALVE
SAVE
PURGE
YES
NO
YES
CLOSED
OPEN
OFF
ON
DEPRESSURIZATION
PROCESS COMPONENT
PROCESS COMPONENT
STATUS
ELECTRICAL COMPONENT
ENERGIZED
VALVE 'B'
SOLENOID
VALVE 'A'
SOLENOID
3 WAY
3 WAY
V2
YES
NO
NO
V1
YES
OPEN
CLOSED
CLOSED
OPEN
(TIME IN MINUTES)
2 176
DEPRESSURIZATION
HEATING
REPRESSURIZATION
REPRESSURIZATION
SWEEP
55
3
HOLD
2 176
55
SWEEP
3
LOSS OF POWER
*
*
*
*
HOLD
YES
YES
NO
3 WAY
SOLENOID
VALVE 'D'
3 WAY
NO
VALVE 'C'
SOLENOID
OPEN
CLOSED
CLOSED
OPEN
V4
V3
FIXED CYCLE TIMING
LEFT CHAMBER DRYING (RIGHT CHAMBER REGEN) RIGHT CHAMBER DRYING (LEFT CHAMBER REGEN)
*
= FAILS IN POSITION
HEATER COOL DOWN
4 4
HEATER COOL DOWN
Sequence of Operation
(Model 750)
CLOSED
OPEN
CLOSED
OPEN
VALVE 'D'
SOLENOID
3 WAY
VALVE 'C'
SOLENOID
3 WAY
V4
NO
YES
YES
NO
V3
SOLENOID
VALVE 'F'
SOLENOID
VALVE 'G'
N.C.
N.C.
NO
YES
NO
YES
V10
V9
OPEN
CLOSED
CLOSED
OPEN
HEATING
VALVE 'H'
SOLENOID
HEATER
3 WAY
NO
VALVE
SAVE
PURGE
YES
NO
YES
CLOSED
OPEN
OFF
ON
DEPRESSURIZATION
PROCESS COMPONENT
PROCESS COMPONENT
STATUS
ELECTRICAL COMPONENT
ENERGIZED
VALVE 'B'
SOLENOID
VALVE 'A'
SOLENOID
3 WAY
3 WAY
V2
YES
NO
NO
V1
YES
OPEN
CLOSED
CLOSED
OPEN
(TIME IN MINUTES)
2 176
DEPRESSURIZATION
HEATING
REPRESSURIZATION
REPRESSURIZATION
SWEEP
55
3
HOLD
2 176
55
SWEEP
3
LOSS OF POWER
*
*
*
*
HOLD
FIXED CYCLE TIMING
LEFT CHAMBER DRYING (RIGHT CHAMBER REGEN) RIGHT CHAMBER DRYING (LEFT CHAMBER REGEN)
*
= FAILS IN POSITION
VALVE 'E'
N.O.
OPENNO
SOLENOID
CLOSEDYES
PURGE
SHUT-OFF
VALVE
HEATER COOL DOWN
4 4
HEATER COOL DOWN
Sequence of Operation
(Model 900 through 3200)
LEGEND
1. INLET VALVE (V1 LEFT, V2 RIGHT)
1A. FLOW CONTROL VALVE
2. PURGE EXHAUST VALVE (V3 LEFT, V4 RIGHT)
3. PURGE CHECK VALVE (V5 LEFT, V6 RIGHT)
4. OUTLET CHECK VALVE (V7 LEFT, V8 RIGHT)
5. DEPRESS SOLENOID VALVE (V9 LEFT, V10 RIGHT)
(MODELS 900 THROUGH 3200)
6. PURGE HEATER WITH INSULATION
7. HEATER TEMPERATURE THERMOCOUPLE
8. HEATER OVERTEMPERATURE RTD
9. CHAMBER RTD (LEFT & RIGHT)
10. RELIEF VALVE
11. CHAMBER PRESSURE GAUGES (LEFT & RIGHT)
12. CHAMBER PRESSURE SWITCH (LEFT & RIGHT)
13. SERVICE VALVE
14. PILOT AIR FILTER
15. PRESSURE REGULATOR & GAUGE
16. SOLENOID VALVE
17. MUFFLER (750 ONLY)
17A. MUFFLER (900 THROUGH 3200)
18. DESICCANT CHAMBER
19. DESICCANT RETAINING SCREEN (TOP & BOTTOM)
20. DESICCANT FILL PORT
21. DESICCANT DRAIN PORT
22. PURGE ADJUSTING VALVE
23. PURGE PRESSURE GAUGE
24. PURGE FLOW ORIFICE
(NOT PROVIDED WITH PURGE SAVER)
25. PURGE SHUTOFF VALVE
(MODELS 900 THROUGH 3200)
26. PRESSURE REGULATOR
27. CHAMBER BLOW-DOWN VALVE
ENERGY MANAGEMENT OPTION
42. ENERGY MANAGEMENT PILOT OPERATED VALVE
43. ENERGY MANAGEMENT SENSOR (RTD4/HS1)
44. PURGE SAVER
45. PURGE SAVER INTAKE SHUT-OFF VALVE
46. PURGE SAVER INTAKE FILTER/SILENCER
INSULATION OPTION
47. HOT PIPE INSULATION
48. CHAMBER INSULATION
DEWPOINTER OPTION
54. DEWPOINT ANALYZER
55. DEWPOINT ANALYZER FILTER