Figure 88 - Vsd Components - York YCIV0157 Installation Operation & Maintenance

Form 201.23-NM2
Issue date: 12/19/2023
17-21 FU FUSES
(17 FU: 2T, 18 FU: VSD Logic /
SCR Trigger Board /
Pump Contactor,
19 FU: 10T and 11T,
20 FU: Relay Board #1,
21 FU: Relay Board #2
COOLING COOLING
FAN FAN

Figure 88 - VSD components

Johnson Controls
Component locations (cont'd)
SUPPRESSOR BOARD
4-9 FU FUSES and
14-16 FU FUSES
(4-6 FU: TB-1-3 SCR
Trigger Board,
7-9 FU: Sys. 1 Fans,
14-16 FU: Sys. 2 Fans)
3-8 RES RESISTORS
1L AC LINE
INDUCTOR
TRANSIENT
(3-Phase Input)
10 CR FAN PUMP
CONTROL RELAY
(Motor Output RC
"DV/DT Network)
Section 6 - Technical data
4-6 CT
CURRENT
TRANSFORMERS
3-8 RES RESISTORS
(Motor Output RC
"DV/DT" Network)
CAPACITORS C15-C17
(Motor Output RC "DV/DT"
Network)
6
LD10585
179