Controller - Timer Based - SPX Hankinson HHE Series Instruction Manual

6. CONTROLLER – TIMER BASED
This section provides connection, adjustment and operational
information for the Timer Based – Fixed Cycle Controller. Similar
information for the Level 1 – Fixed Cycle Controller and Level 2
Controller featuring the APSS, Automatic Purge Saving System, can
be found in Sections 7 and 8 respectively.
6.1 Reference Figures – Timer Based Controller
• Figure 6-1, Front Panel Overlay – Timer Controller
• Figure 6-2, Point-to-Point Diagram – Timer Controller
Program Step
Left tower status drying
Right tower status regen
Left purge solenoid off
Right purge solenoid off
Left purge valve closed
Right purge valve closed
1 2 3
drying drying
regen regen
off off
off on
closed closed
closed open
Cycle Sequence Steps –Timer Based Controller
Dryer MOP
ISO Class
Dew Point
Cycle Time (minutes)
Time
t0
t1
t2
t3
t4
t5
t6
t7
t8
Purge time (min:sec)
Repress. time (min:sec)
Fixed Cycle Timing –Timer Based Controller
6.2 Connections – Timer Based Controller
See Figure 6-2, Point-to-Point Diagram for the location and function of
the various cable and cord connectors that are provided on the bottom
of the Timer Based enclosure.
6.2.1 Connections - Input Power
6.2.1.1 VAC Input Power Connections
Single-phase, alternating current (AC) input power connection of 100-
240 VAC / 1 ph / 50-60 Hz. can be made at terminals mounted within
the control enclosure. See reference figures for proper polarity.
4 5
drying regen
regen drying
off off
off off
closed closed
closed closed
Table 6-1
60 - 150 psig (4.1 - 10.3 barg)
2
-40°C
-40°F
10
Time from start of cycle
(minutes:seconds)
00:00
00:02
00:06
04:12
05:00
05:02
05:06
09:12
10:00
Reference Data
04:12
00:48
Table 6-2
— 17 —
6 7
regen regen
drying drying
off on
off off
closed open
closed closed
8
regen
drying
off
off
closed
closed