9 Spare Parts
9.2 Periodic Maintenance Parts
R688 HPM High-Performance Process Manager Service 479
December 2020 Honeywell
Table 88 Non-Conformally Coated HPM ORU Parts List
AO Galvanic Isolation Module (MTL4046C)
(Replaced by Individual Module Replacement Kit
number MTL4546Y – 51202953-100)
AO nonredun FTA with GI Modules (Comp Term)
(There is no replacement with MTL 4500 series, but you
can use MU-GHAO11/MU-GHAO21 with MTL 4546Y-
51202953-100)
AO nonredun FTA with GI Modules (Crimp Term)
(There is no replacement with MTL 4500 series, but you
can use MU-GHAO11/MU-GHAO21 with MTL 4546Y-
51202953-100)
AO redundant FTA with GI Modules (Comp Term)
(There is no replacement with MTL 4500 series, but you
can use MU-GHAO11 with MTL 4546Y- 51202953-100)
AO redundant FTA with GI Modules (Crimp Term)
(There is no replacement with MTL 4500 series, but you
can use MU-GHAO11 with MTL 4546Y- 51202953-100)
AO Galvanic Isolation Module (MTL4045C)
AO Galvanic Isolation Module (MTL4046P)
Redundancy Module for FTA
DO FTA with GI Modules (Compression Terminals)
DO FTA with GI Modules (Crimp Terminals)
DO Galvanic Isolation Module (MTL4021)
(Replaced by Individual Module Replacement Kit
number MTL4525 – 51202957-100)
DO FTA with GI Modules (Compression Terminals)
DO FTA with GI Modules (Crimp Terminals)
DO Galvanic Isolation Module (MTL4023)
(Replaced by Individual Module Replacement Kit
number MTL4523 – 51202956-100)
LFD Combiner Panel (MU-GLFD02)
Line Fault Detection Combiner Panel
Power Distribution Assembly (MU-
GPRD02)
Galvanic Isolation Power Distribution Assembly
Marshalling Panel (MU-GMAR52)
Fieldbus FTA with GI/IS PS module (Comp Term)
Plug-in GI/IS module (MTL4053) for above FTAs
Bus terminator enable jumper for above FTAs