AUTOTERM PU-22 Manual

AUTOTERM PU-22 Manual

Heater controls for air heaters air 2d, air 4d, air 8d

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Heater Controls /
Air Heaters /
AIR 4D AIR 8D
AIR 2D

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Summarization of Contents

Warranty & Safety
Warranty Terms
Manufacturer's liability and warranty conditions for heater use and maintenance.
Safety Precautions
Crucial safety warnings regarding explosion, poisoning, fire hazards, and injury.
Controller PU-16 Overview
Controller Components
Identification of the LED indicator, LEDs, and control buttons on the PU-16 controller.
Controller Functions
Details the operational functions: start-up, shutdown, mode selection, and fault indication.
Status Indication
Display Codes and LED Status
Explains display codes for modes/sensors and meanings of the operation mode LED states.
Operation Modes
Mode Definitions
Describes Heat Control, Temperature Control, and Ventilation modes and their target operations.
Operational Features
Highlights mode compatibility, reset behavior, and nuances of heat/temperature control.
Controller Operation
Setting Heat Output
How to adjust heating power in Heat Control mode using the controller buttons.
Ventilation Mode Control
Steps for activating or deactivating the ventilation mode via the controller.
Troubleshooting Guide
Fault Reporting and Maintenance
How faults are indicated and the importance of qualified personnel for maintenance.
User-Fixable Faults
Guidance for users to resolve specific issues and when to contact a service center.
Fault Codes and Solutions
Common Fault Codes
Lists codes for overheating, overvoltage, undervoltage, and connection errors with solutions.
Specific Fault Scenarios
Details faults like start-up failures, ventilation time limits, and flameout issues with causes.
Advanced Faults and Remote Control
Locked Heater & Flameout Issues
Explains fault code 33 (locked heater) and codes 35/78 (flameout) and their remedies.
Alarm System Remote Control
How to operate the heater remotely using an alarm system's free channel.
GSM Modem Control
Smartphone Control
Details remote heater operation via a smartphone, GSM modem, and SMS commands.

Table of Contents