Installation 3
MSC-3 mounting location 3
CAUTION Installation Information 3
MSC-3 Mechanical Installation Information 4
MSC-3 Power wiring for 3 Phase supply 9
Basic power wiring diagram 9
Supply circuit protection and switchgear 9
Cable sizes 9
Electrical Isolation 9
Fuse Circuit Breaker Ratings for All MSC-3 Models 10
Motor thermal protection 10
MSC-3 Power wiring for Single Phase Supply 11
MSC-3 with a DC Supply 12
Installation practices for Electromagnetic Compatibility (EMC) compliance 13
Installation practices for EMC compliance 13
Wiring materials for EMC compliance 13
Control connections and conguration 19
General 19
Factory default settings 19
Settings for your application 19
Quick Setup 19
Industrial Terminals Typical Connection Diagram – Terminal Cong 1 20
General 20
Quick Setup for Terminal Cong 1. 21
Quick Setup for Terminal Cong 4. 26
HVAC Terminals Typical Connection Diagram – Terminal Cong 3 32
General 32
Application: Supply air or smoke spill fan 36
Application: Return air fan 37
Application: Stair pressurisation fan with internal PID 38
Application: Stair pressurisation fan with external PID 40
Application: Cooling tower fan with reverse acting internal PID 41
EIA/RS-485 Communications Wiring 43
Best practice 43
Terminating resistors 43
General 44
Shortcuts 44
Extended Features Option Wiring 45
MSC-3 Start Up 47
Run Display 48
Meter Display 49
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