Conair Hopper Temperature Controller UGD031 Manuale Utente Scaricare il pdf (Pagina 14)

What is the HTC Process Air

Heater?

The HTC process air heater is designed to control the temperature of dry air as

it enters a material hopper. This process air heater can be set to increase, or

“raise”, the temperature of air that was dehumidified at a central dryer or from

a blower as part of hot air drying.

The HTC includes a control center, heater box with electric heating elements,

an airflow differential pressure switch, and an RTD temperature probe(s).

The differential pressure switch places the HTC in standby mode to save energy

and prevent heating element damage when air flow is not present.

2-2 l Description

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 96 97

Hopper Temperature 1
Controller 1
Table of Contents 3
4-1 Operation 4
5-1 Maintenance 4
6-1 Troubleshooting 4
A Appendix 5
AD Addendum 5
Introduction 7
Purpose of the User Guide 8
How the Guide is Organized 8
Your Responsibility as a User 9
ATTENTION: 10
Read this so no one gets hurt 10
How to Use the Lockout Device 11
1-6 l Introduction 12
Description 13
What is the HTC Process Air 14
Typical Applications 15
How it Works 16
How it Works (continued) 17
2-8 l Description 20
Installation 21
Unpacking the Boxes 22
Preparing for Installation 23
Models HTC 30, 60, and 90 23
Model HTC 120 24
Models HTC 180 and 270 24
Installation l 3-5 25
Connecting the HTC Heater 26
Installation l 3-7 27
HTC 180 and 270 28
(continued) 29
Connecting the Control Wires 30
Connecting the RTD Sensors 31
Process Protection RTD Probe 32
Testing the Installation 35
Operation 37
Startup / 38
Shutdown 38
HTC DC Control Functions 39
Control Function Flow Charts 39
POWER ON 40
General Screens 42
Function 42
Control Function Descriptions 42
Process Screens 44
Protection 47
Screens * 47
DC Resin Setup 49
Setup Screens 52
Test Mode 53
HTC DC Control Alarms 55
4-20 l Operation 56
Dryer HTC) 57
Autotuning 58
Autotuning (continued) 59
4-26 l Opera 62
Maintenance 63
Preventative Maintenance 64
Checklist 64
Troubleshooting 65
Before Beginning 66
Before Beginning (continued) 67
A Few Words of Caution 67
Alarm Light 68
Acknowledge Alarm 68
Shut Down Alarms 69
Possible cause 69
Solution 69
Shut Down Alarms (continued) 70
Passive Alarms 72
Replacing Fuses 73
Solid state relays 74
6-12 l Troubleshooting 76
Replacing the Heating 77
Elements (continued) 77
Pressure Switch 78
Pressure Switch (continued) 79
6-16 l 80
We’re Here to Help 81
Before You Call 81
Equipment Guarantee 82
Performance Warranty 82
Warranty Limitations 82
Blower Installation and 83
Handling 84
Wiring the Starter 85
Before Start-up 86
Start-up 87
Balance and Vibration 88
General Maintenance 89
Fan Bearing Maintenance 90
Motor Maintenance 91
Impellers 92
Blower Troubleshooting 93
Ordering Spare Parts 96

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Conair Hopper Temperature Controller UGD031 Manuale Utente Pagina 14

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