Introduction; Microvision Features; Output Relays; Inputs - Novatech Pulsafeeder MicroVision Timer Installation & Operation Manual

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1. INTRODUCTION

The MicroVision microprocessor based cooling tower controller has been designed to
control up to four (4) independent powered timer outputs. Each output can be
programmed in any one of the following modes, Pulse timer, Percent timer, 28 day
Biocide timer, or as a cycle timer. Relay number 5 may be programmed as an alarm
dry contact or as a fifth timer with a dry contact output.
The MicroVision has five (5) output relays assigned as follows:
Relay 1 – Timer #1
Relay 2 – Timer #2
Relay 3 – Timer #3
Relay 4 – Timer #4
Relay 5 – Alarm or Timer #5 (normally open dry contact)

2. MICROVISION FEATURES

2.1 Output Relays

The control of the four HANDS – OFF – AUTO (HOA) output relays can be controlled
using the HOA menu.
ON (FORCED ON FOR 5 MIN.)
AUTOMATIC 'ON'
AUTOMATIC 'OFF'

2.2 Inputs:

The MicroVision has 5 digital inputs that can be programmed as follows:
Programmable
Inputs
Drum Level
Water meter
Hall effect
Flow
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RELAY STATUS
OFF
Input 1 Input 2
X ( Timer 1) X (Timer 2)
X
X
Input 3
X (Timer 3)
X X
LED COLOR
AMBER
RED
GREEN
OFF
Input 4 Input 5
X (Timer 4) X (Timer5)
X X
X