User guide
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Instructions
Cal 9500P
Installation Instructions
18. Trace this purple (or blue) wire to terminal 
block location 7 and remove from the terminal 
block. Attach this wire to position 20 of the Cal 
9500P. (See Figure 6)
19. Optional step to connect RS-232 
communication wire: (See Figure 7)
Connect the white/clear wire of the A1845E 
communication harness to position 9 of the 
Cal 9500P.
Connect the red wire of the A1845E to 
position 10. 
Connect the black wire of the A1845E to 
position 11. 
Mount the 9-pin connector to the rear panel 
of the 4840 with the hardware provided. (See 
Figure 8)
20. Close the hinged front cover and reinstall 
the two retaining screws (removed in step 1).
21. Reconnect power cord to the 4840 
Controller. 
(#1119E) Solid state relay for use with 
Cal 9500P (to be installed)
Figure 6
Back of Cal 9500P with wiring
Figure 7
Back of RS-232 with wiring
Figure 8




