Emerson OCX 8800 instruction manual Electronics Housing Assembly

OCX 8800

Electronics Housing Assembly

Figure 7-22. Flash PROM Alignment

Corner

Bevel

Flash

PROM

Access

Port 37390060

Instruction Manual

IM-106-880, Rev 1.0

January 2007

Install EMI Filter and Terminal Block

1.Install replacement EMI filter (1, Figure 7-21) and/or terminal block (3) on electronic stack.

2.Refer to wiring details in Figure 7-21. Connect EMI filter wiring and ground wire (2) at terminal block (3).

3.Connect EMI filter wiring at AC power input terminal block on electronic stack.

Install Solenoid Valves

1.Disassemble replacement solenoid valve (15 or 16, Figure 7-20).

2.Install new solenoid valve base. Be careful not to overtighten.

3.Install new washer and solenoid coil assembly and secure with nut.

4.Connect the solenoid leads to the proper terminations on the solenoid power terminal block (Figure 7-24).

Install Electronics Stack

1.Install electronics stack (5, Figure 7-20) and secure with lockwashers (14) and screws (13).

2.See Figure 7-23 and Figure 7-24. Reconnect power cable, signal cable, and solenoid lead connectors to electronics stack terminals.

Install LOI Module and Board

1.Install LOI board (9, Figure 7-20) and secure with two screws (11) and lockwashers (12).

2.Note the location of the LOI connector (10). Plug LOI module (8) and connector into one of the four mating receptacles provided.

3.Install three screws (7) to secure the LOI module.

Install Flash PROM

Electrostatic discharge (ESD) protection is required to avoid damage to the electronic circuits.

1.Locate Flash PROM access port in electronics stack (5, Figure 7-20).

2.See Figure 7-22. Align Flash PROM (6, Figure 7-20) with mating receptacle in access port of electronics stack as shown. Flash PROM corner bevel must be in upper left corner of receptacle.

3.Install Flash PROM (6).

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