![background image](http://html1.mh-extra.com/html/gardner-denver/dhp-series/dhp-series_instruction-manual_3793254035.webp)
35
LEGEND
HEA
TING
VALVE 'H'
SOLENOID
HEATER
3 WAY
NO
VALVE
SAVE
PURGE
YES
NO
YES
CLOSED
OPEN
OFF
ON
DEPRESSURIZA
TION
PR
OCESS C
OMPONENT
PR
OCESS C
OMPONENT
ST
ATUS
ELEC
TRIC
AL C
OMPONENT
ENER
GIZED
VALVE 'B'
SOLENOID
VALVE 'A'
SOLENOID
3 WAY
3 WAY
V1
YES
NO
NO
V2
YES
OPEN
CLOSED
CLOSED
OPEN
(TIME IN MINUTES)
2
176
DEPRESSURIZA
TION
HEA
TING
REPRESSURIZA
TION
REPRESSURIZA
TION
SWEEP
55
3
HOLD
2
176
55
SWEEP
3
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)
HEA
TER C
OOL DOWN
4
4
HEA
TER C
OOL DOWN
Sequence of Operation
(Models 300 through 600)
1.
INLET VALVE (V1 LEFT, V2 RIGHT)
2.
PURGE EXHAUST VALVE (V3 LEFT, V4 RIGHT)
3.
PURGE CHECK VALVE (V5 LEFT, V6 RIGHT)
4.
OUTLET CHECK VALVE (V7 LEFT, V8 RIGHT)
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
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)
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
58. DEWPOINT ANALYZER
59. DEWPOINT ANALYZER FILTER