Fuse Board Layout: All Units; P4: 24 Vac Power; Fuse Board Connectors - Emerson Liebert iCOM Training And Service Manual

Fuse Board Layout: All Units

This section deals with the seven (7) plug connectors on the fuse board. The fuse
board is supplied on all systems with iCOM and is located in the low voltage
section of the unit. The tables in this section show all of the connections and
reference points for signal flow through these connectors.

P4: 24 VAC Power

P4-1: Fuse 1
P4-2: Fuse 2
P24: T1 Transformer – Line Voltage Primary 24VAC Secondary
P24-1: 24 VAC Gnd (T1)
P24-2: 24 VAC (T1)
P41: 24 VAC Power – T6 Isolation Transformer
P41-1: 24 VAC Gnd (T6 Primary)
P41-2: 24 VAC (T6 Primary)
P41-3: 24 VAC Gnd (T6 Secondary)
P41-4: 24 VAC (T6 Primary)
P42: Intellislot – NOT USED
P43: T6 Transformer Secondary (Power to Rectifier Circuit)
P43-1: 24 VAC
P43-2: 24 VAC
P44: Jumper
E1: Transformer Secondary Ground (unit ground)
iCOM
Fuse Board
P4-3: Fuse 3
P4-4: Fuse 4
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Control Training and Service Manual