Temspec VUD Series - Default Chapter; Table of Contents

Operation and Maint.Manual VUD VUF VDF HCD SeriesRev6.doc
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Table of Contents
INTRODUCTION
About the Unit Ventilator ….……………………………………………………………………2
Nomenclature for non-compressorized Unit Ventilators ………….……………………2
TYPICAL UNIT LAYOUT
Model VUD 1200 ……………………………………………………….………………………3
Model VUD 1600 ……………………………………………………….………………………4
Model VUD 2000 ……………………………………….………………………………………5
Model VUF 1200 ……………………………………………………….………………………6
Model VUF 1500 ……………………………………………………….………………………7
Model VDF 1200 ……………………………………………………….………………………8
Model HCD 1200 ……………………………………………………….………………………9
Model HCD 1600 ……………………………………………………….………………………10
OPERATION
Sequence Of Operation .………………………………………………………………………11
Hot Water Circuit .……………………………………………………………………………...12
Refrigeration Circuit ………....……………………………………………………………….……13
Electrical Circuit ……….….…………………………………………………………………..14
Dampers ……….………….…………………………………………………………………..14
Filtration ……….………….………………………………………………………………......14
MAINTENANCE
Servicing the Unit ………….………….………………………………………………………..15
Maintenance Schedule ….………….……………………………………………………..…15
Changing the Filters ………….………….……………………………………………………..…16
Cleaning the Evaporator Coil …….………………………………………………………...16
Motors ………………………….…………………………………………………………...16
TROUBLESHOOTING
Basic Troubleshooting Guidelines …..…………………………………………………………..17
REPLACEMENT PARTS
Limited Warranty ..……………………...………………………………………………………18
Parts Sales …………..………………………..…….…………………………………………....18