COMPONENTS
Vector™ H Serie s ▪ S ervice M an ual ▪ MN-4 6 543 ▪ R ev 01 ▪ 11/ 1 9
24
H4—Electrical Component Identification
Ref. Description Ref. Description
1 Check fans indicator light switch 10 Terminal blocks
2 Terminal blocks 11 Interface board
3 Main disconnect switch 12 Control board
4 Circuit breakers (heating ele-
ments)
13 Relays
5 Variable Frequency Drive (VFD) 14 Fuses (lights)
6 Solid State Relay (SSR) 15 Wye filter (CE models only)
7 Line filter (CE models only) 16 Circuit breakers (control)
8 12VAC transformer 17 High limit switch(es)
9 12VDC power supply — —
VMC-PHD-008460
OFFOFF OFF
L1 T1
A1 (+)A2 (-)
L1 T1
A1 (+)A2 (-)
L1 T1
A1 (+)A2 (-)
L1L2
L1 T1
A1 (+)A2 (-)
L3
OFF
GND
12
13
16
15
5
17
14
1
2
3
4
5
6
8
9
7
1011