BHI, Control Unit, models:

ANEM	Installation And Operating Manual
Compact In-line	User Manual
NEDSP1061	Fitting Instructions Manual
NEDSP1061-KBD	Installation And Operating Manual
NEDSP1061-PCB	Installation And Operating Manual
NEDSP1062 KBD	Installation And Operating Manual
NEDSP1068-PCBA	Manual
NEDSP1901-PCB	User Manual
NEDSP1962-KBD	User & Installation Manual
NEIM 1031	Manual