Table Of Contents - Varifan ECS-4+ User Manual

CHAPTER 1 - INTRODUCTION
1. General ...........................................................................5
1.1 Description .......................................................................5
Definition of terms .........................................................................7
CHAPTER 2 - INSTALLATION
2.1 Unpacking ........................................................................9
2.2 Mounting ..........................................................................9
2.3 Switch Settings ................................................................11
2.3.1 Line Voltage Selector Switch ..........................................11
2.3.2 Software Settings DIP Switch .........................................11
2.4 Connection Procedure ....................................................12
2.4.1 Input Power .....................................................................12
2.4.1.1 115 VAC ..........................................................................12
2.4.1.2 230 VAC ..........................................................................12
2.4.2 Fan 1 ...............................................................................12
2.4.3 Fan 2 ...............................................................................12
2.4.4 Fan 3/Heater ...................................................................12
2.4.5 Air Inlet Baffle Board .......................................................13
2.5 Temperature Probes / Static Pressure Probes ...............13
2.5.1 Single Temperature Probe ..............................................13
2.5.2 Temperature Averaging ..................................................13
2.5.3 Static Pressure Probe .....................................................13
2.6 Alarm ...............................................................................14
2.7 Powering Up ....................................................................14
CHAPTER 3 - USER'S GUIDE
LED Status Window ........................................................19
Control Dials ....................................................................19
PRIMARY FUNCTIONS
Main Set Point Temperature ...........................................21
Fan 1 Minimum Speed ....................................................22
Fan 1 Duty Cycle .............................................................23
Fan 2 Relative Set Point ................................................24
Fan 2 Minimum Speed ....................................................25
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