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Ambirad AR22 U - User Manual

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20 pages
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AR/ARE SERIES
GAS FIRED RADIANT
TUBE HEATERS
Installation and
servicing manual

Table of Contents

Questions and Answers

  • R
    Robert BrandtNov 2, 2025
    Why won't my Ambirad Gas Heater burner start?
    • M
      Mark JohnsonNov 2, 2025
      If the Ambirad Gas Heater burner won't start, it could be due to several reasons: * External controls not calling for heat: Adjust the controls. * Blown fuse: Check for a short circuit in the wiring or electrical components. * Fan connector plug disengaged: Securely engage the plug. * Loose electrical connection: Check all connections. * Faulty fan: Replace the fan and recommission the heater, checking gas pressure settings. * Sequence controller relay failing: Check the vacuum switch and replace the sequence controller if needed. * Vacuum switch not returning to normal: Replace the vacuum switch. * Fan overload (Type O fans only): Check the overload setting (3.1 amp for single phase). * Insufficient vacuum: Reset the button on the control panel. * Blocked emitter tube...

Summary

2 Gas connection

4 Electrical connection

Circuits and Wiring

5 Assembly instructions

6 Health and safety

7 Fixing tubes and brackets

8 Fitting reflectors and end caps

9 Burner;fan;damper assembly

11 HB and DL damper settings

12 Installation - suggested methods of heater suspension

Safety and Mounting Heights

13 Flue connection

Ventilation Requirements

14 Fresh air ducted inlet (all models)

15 Commissioning for individually flued and unflued heaters

Start-up, Lock-out, and Safety Checks

Procedures for start-up, handling lock-out, and checking safety features.

16 Routine service

17 Replacement of components

Safety and Component Replacement

Safety precautions and general steps for replacing burner/control assembly, ID fan, electrodes, and burner head.

Injector, Gas Valve, Controller, and Switch Replacement

18 Trouble shooting checklist

Ignition and Shutdown Issues

Addresses problems with burner start-up, ignition, and operational shutdowns.

Ambirad AR22 U Specifications

General IconGeneral
BrandAmbirad
ModelAR22 U
CategoryGas Heater
LanguageEnglish

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