-35-
THREE UNIT CONTROLLER SHOWN
THREE SETS OF CORRESPONDING
CONTACTS IN ROWS A, B, AND C
HAVE BEEN INTERCONNECTED IN
THE ROTARY SWITCH. THESE CON-
NECTIONS ARE:
A1-C4-B7 A4-B1-C7 *A7-B4-C1
A2-C5-B8 A5-B2-C8 *A8-B5-C2
A3-C6-B9 A6-B3-C9 *A9-B6-C3
*SHOWN ON WIRING SCHEMATIC
THE POINTER ON THE ROTARY
SWITCH HANDLE SHOWS WHICH
ROW OF CONTACTS IS CONNECTED
TO THE PRESSURE SWITCH CON-
TACTS OF ROW H AS SHOWN. IF THE
POINTER IS ON “C", PRESSURE
SWITCH PSI IS CONNECTED TO COM-
PRESSOR NO. 3
39510730
NOTE: WHEN TWO UNIT CONTROLLER
IS FURNISHED, INTER-CONNECTING
WIRING WILL BE:
A1-B4 A4-B1
A2-B5 A5-B2
A3-B6 A6-B3
AND PS III IS NOT SUPPLIED
WHEN FOUR OR FIVE UNIT CONTROL-
LER IS FURNISHED, INTER-CONNECT-
ING WIRING WILL FOLLOW PATTERN
SIMULAR TO THAT OF THREE UNIT CON-
TROLLER ADDITIONAL PRESSURE
SWITCHES AND ROTARY SWITCH CON-
TACTS ARE SUPPLIED.
NOTE: REFER TO OPERATORS MAN-
UAL OR APPLICABLE WIRING SCHE-
MATIC FOR COMPLETE COMPRESSOR
ELECTRICAL SYSTEM
NOTE: THE JUMPER WIRE BETWEEN
ITB-7 AND ITB-10 (ON COMPRESSOR
CONTROL PANEL) MUST BE REMOVED
WHEN SEQUENCE CONTROLLER IS IN-
STALLED
-36-
For proper operation when using the Sequencer Interface I with an
Intellisys Unit, the following hardware is required.
PART NUMBER QTY DESCRIPTION
39786470 (1) 1 Intellisys Controller (Rev. 8.9 or
current software)
39179585 (2) 1 EPROM, Programmed (Software
Rev. 8.9 Onward)
39666672 1 Automatic Start/Stop Option Field
Kit (Units Not Already Equipped
With Auto Start/Stop)
NOTES:
(1) Units having Intellisys Controllers with software Revisions 8.6 or 8.7
EPROMS are non-replaceable and controller bottom covers are attached
with tamper-proof screws.
(2) Units having Intellisys Controller with software Revision 8.8 EPROM
is replaceable and controller bottom cover is attached with phillips head
screws.
IF CONTROLLER HAS THEN
A. Software Revisions 8.6 Or 8.7 Install New Controller
(EPROM Soldered In & 39786470
Tamper-Proof Screws
In Bottom Cover)
B. Software Revision 8.8 Install New EPROM 39179585
(EPROM Plug-In & Phillips Head In Existing Controller
Screws In Bottom Cover)
C. Software Revision 8.9 Onward No Changes Required
(EPROM Plug-In & Phillips Head
Screws In Bottom Cover)
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