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1.0 CONTENTS

CONTENTS PAGE

1.0 CONTENTS 3

2.0 INTRODUCTION 3

3.0 WARRANTY 3

4.0 REFRIGERATED DRYER NOMENCLATURE 3

5.0 RECEIVING AND INSPECTION 4

5.1 INSPECTION 4

5.2 UNPACKING AND HANDLING 4

6.0 SAFETY AND OPERATION PRECAUTIONS 4

OSHA HEADING DESCRIPTIONS 4

7.0 PRINCIPLES OF OPERATION 6

7.1 INTRODUCTION 6

7.2 AIR SYSTEM 6

7.3 MOISTURE REMOVAL SYSTEM 6

7.4 REFRIGERATION SYSTEM 6

7.5 THERMAL MASS CIRCULATING SYSTEM 6

7.6 CONTROLS 9

7.6.1 BASIC USER INTERFACE 10

BUTTONS 10

7.6.2 DISPLAY PARAMETERS 10

7.6.3 DRYER SET POINTS AND ALARMS 11

7.6.4 ADJUSTING SET POINTS 11

7.6.5 ALARMS AND THEIR FUNCTIONS 11

7.6.6 START MODES 12

7.6.6.1 MANUAL MODE 12

7.6.6.2 AUTO RESTART MODE 12

7.6.6.3 REMOTE AUTOMATIC MODE 12

CONTENTS PAGE

8.0 INSTALLATION AND INITIAL STARTUP 13

8.1 LOCATION AND MOUNTING 13

8.2 PIPING AND VALVES 13

8.3 FILTRATION 13

8.4 ENVIRONMENTAL CONSIDERATIONS 13

8.5 ELECTRICAL CONNECTION 15

8.5.1 START SETTINGS 15

8.6 INITIAL STARTUP 16

8.6.1 START UP SEQUENCE 16

9.0 SCHEDULED MAINTENANCE 16

9.1 INTRODUCTION 16

9.2 REFRIGERANT CONDENSER 16

9.3 PREFILTERS AND POSTFILTERS 16

10.0 TECHNICIAN MODE 17

10.1 ENTERING TECHNICIAN MODE 17

10.2 ALARM LIST 18

11.0 TROUBLESHOOTING 19

11.1 INTRODUCTION 19

11.2 PROBLEM / ACTION GUIDE 19

12.0 WIRING DIAGRAM 21

13.0 GENERAL ARRANGEMENT 23

14.0 REPLACEMENT PARTS 25

15.0 ENGINEERING SPECIFICATIONS 26

120.26A D4290NCHPW400F Installation Operation and Maintenance Manual

Brand	Nirvana
Model	D4290NCHP
Category	Dryer
Language	English

Nirvana D4290NCHP User Manual

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Nirvana D4290NCHP Specifications