Floaire DIRECT FIRED MODULE Manuel d'utilisateur Page 1

A0011030 April 2014 Rev. 20 FOR YOUR SAFETY The use and storage of gasoline or other flammable vapors and liquids in open containers in the vicinity o

10 PSC (Permanent Split Capacitor) Motor Speed Control Some single phase direct drive fans contain speed controls that regulate the amount of voltage

11 Remote Control Panel On units shipped with the optional remote control panel, an electrical drop containing the panel wiring is provided with the

12 Pilot Assembly OPERATION Prior to starting up or operating the heater, check all fasteners for tightness. In particular, check the set screw in t

13 Maxitrol M511 and M611 Low Fire Bypass Screw Mod Valve Voltage Summary Volts DC Firing Mode 0 to 5 VDC Low Fire 5 to 15 VDC Modulation 15 to 20 V

14 Adjust pilot flame.Lock unit into high fire.Adjust incoming gas pressure.Does high fire produce at least a 70°F temp rise and produce the correct

15 Maximum RPM and HP Chart Blower Size Maximum RPM Maximum HP 10” 1800 2 12” 1500 3 15” 1400 5 18” 1200 5 20” 1000 10 25” 900 20 Pulley Adjustment

16 Pulley Combination Chart Motor

17 Flame Safety Controller Air Flow Switch Airflow Switch DC Flame Signal DC Voltage Flame Status 0 to 5 VDC No Flame 6 to 11 VDC Weak Flame 12

18 Maxitrol 14 Amplifier High Temperature Limit airflow switch to close. The high airflow switch protects against profile plate failures that ca

19  FSC verifies proper Airflow  Begins Pilot Trial For Ignition and turns on PTFI LED  The pilot gas solenoid valve is opened, the spark igni

20 Components The following image and list outlines the typical direct fired heater components and their functions. 1. Gas Inlet – Main gas supply

21 Remote Panel Option The Remote Panel is a device used to control the operation of the heater from a remote location. This unit is available in a

22 Troubleshooting The following tables list causes and corrective actions for possible problems with direct fired heater units. Review these lists

23 Burner Troubleshooting Chart Problem Potential Cause Corrective Action Pilot Does Not Light/Stay Lit Main gas if off Open main gas valve Air in ga

24 Remote Panel Troubleshooting Chart Light Indication Condition Possible Cause No Lights Power not available to Remote Panel Bad voltage to unit Mai

25 Is Freeze-Statopen?Adjust orReplaceIs end switch onMotorizedDamper closed?Adjust orReplaceactuatorYESYESNONothingHappensIs Overloadtripped onstart

26 MAINTENANCE To guarantee trouble free operation of this heater, the manufacturer suggests following these guidelines. Most problems associated wi

27 Burner Orifice Drill Size Orifice Drill Size Gas Port 31 Air Port 43 2 weeks after startup 1. Belt tension should be checked after the first 2

28 Start-Up and Maintenance Documentation START-UP AND MEASUREMENTS SHOULD BE PERFORMED AFTER THE SYSTEM HAS BEEN AIR BALANCED AND WITH THE

3 TABLE OF CONTENTS WARRANTY ...

4 WARRANTY This equipment is warranted to be free from defects in materials and workmanship, under normal use and service, for a period of 12 months

5 INSTALLATION It is imperative that this unit is installed and operated with the designed airflow, gas, and electrical supply in accordance with

6 Recommended Supply Ductwork Sizes Blower Size Duct Size Straight Duct Length 10 14 x 14 48 in. 12 16 x 16 54 in. 15 20 x 20 72 in. 18 24 x 24 86 in

7 Direct Fired Module Installation Indoor (INLINE) Installation Heat Module Add-On Installation Modular heat units shipped to add heat onto existin

8 Gas Pressure Table Gas Pressure Type Gas Pressure Size 1-3 Inlet Pressure 7 in. w.c. – 14 in. w.c. Size 4-5 Inlet Pressure 7 in. w.c. – 5 psi. Max.

9 Copper Wire Ampacity Wire Size AWG Maximum Amps 14 15 12 20 10 30 8 50 6 65 4 85 Electrical Before connecting power to the heater, read and unders