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Ametek ZF2 SCR Series - User Manual
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SCR POWE
R CONTRO
L
LER
Instructio
n, Op
eration
and
Mainten
ance M
anual
Number: 9100040
Revision 3
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ZF2/Z
F3 SCR Series
60-1200 Amperes
Two/Th
ree-phase
Zero-fired
2
Table of Contents
Main Page
Table of Contents
5
Table 1.1 ZF2 and ZF3 Model Number Breakdown
9
Table 1.2 General Specifications of ZF2/ZF3 Models
10
Table 3.1 Wire Size Information
13
Figure 3.1 Fan and Thermostat Connections
14
Figure 3.2 Isolated/Non-Isolated Switches
15
Figure 3.3 T1 Transformer Connections
15
Figure 3.4 Typical ZF2/ZF3 Line and Load Connections
16
Table 3.2 Transformer Voltage Wiring
16
Figure 4.1 Control Panel
17
Figure 4.2 Process Controller Input Connections
18
Figure 4.3 Remote Control with a Potentiometer
19
Figure 4.4 Auto/Man Control with Controller and Remote Potentiometer
19
Figure 4.5 On/Off Control
20
Figure 4.6 Shutdown Control
20
Figure 4.7 Unbalance Alarm Board
22
Figure 4.8 Shorted SCR Alarm Board
22
Figure 4.9 Unbalance Block Diagram
23
Table 5.1 Unbalance DIP Switch Settings
25
Figure 6.1 AC Switch
27
Table 6.1 Variable-Time-Base Relationship (Example)
27
Table 7.1 Troubleshooting Chart (Symptoms and Solutions)
31
Table 7.2 Torque Specifications
31
Table 8.1 ZF2 Spare Parts List
34
Table 8.2 ZF3 Spare Parts List
35
Table 8.3 ZF2/ZF3 Drawing List
37
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Ametek ZF2 SCR Series Specifications
General
Brand
Ametek
Model
ZF2 SCR Series
Category
Controller
Language
English
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