4 hours ago, john123 said:

The other detectors have a short non resisted wire joining alarm and tamper (B and D). Do I need to do this in the P15 to complete the loop with 4 core? Thanks. John.

As above don't bother 

The comments have been really helpful. Thanks. Now I understand the Scantronic 9448+ does not use EOL resistors.  The replacement Texecom Capture P15 PIR has an adjustable internal resistor for EOL. How do I take this out of the circuit? Do I just set to O/C  O/C.? Many thanks again. 

7 hours ago, john123 said:

 Do I just set to O/C  O/C.? Many thanks again. 

Yes

 

Great. Worked well. The manual says 97 Enter for walk test and OMIT to leave but there is no OMIT on this  keypad (scantronic 9448+). Do I use 99 Enter, or other? Many thanks.

1 hour ago, john123 said:

Great. Worked well. The manual says 97 Enter for walk test and OMIT to leave but there is no OMIT on this  keypad (scantronic 9448+). Do I use 99 Enter, or other? Many thanks.

I think the enter button will take you out of walk test, 99 enter takes you out of engineering