6. Input Circuits 39
6.1 Input Circuit for the Model 414D 39
6.2 Input Circuit for the Model 414B 44
6.3 Remote Switches 47
7. Installation 48
7.1 General 48
7.2 Wiring Designations for the 414D & 414B 50
7.3 Ex 410 Enclosure Dimensions 51
8. Trouble Shooting 52
8.1 Error Codes 55
Index 56
