Floaire FAV User Manual

Revision 12 – 11.19.2013 Installation & Operation Guide Industrial Non Re-circulating Direct-Fired Heaters Horizontal / Vertical and S

10 10 14 x 14 30 222 77 x 28 66 12 16 x 16 36 225 88 x 32 75 15 20 x 20 45 227 96 x 36 81 18 24 x 24 54 230 104 x 38 90 20 26 x

11 Gas Gas piping must be installed to conform with local building codes, or in the absence of local codes, the National Fuel Gas Code, ANSI

12 Copper Wire Ampacity Wire Size AWG Maximum Amps 14 20 12 25 10 30 8 40 6 55 4 70 Gas Connection Diagram

13 9. If necessary, the original wire supplied with the heater may be replaced with type TW wire or the equivalent. Remote Control Pan

14 modulating valve to maintain desired discharge temperature. Additional Sequence of Operation – All VFD Motor Control 1. During lower speeds, th

15 Static Pressure Controller Installation Instructions Avoid locating the front of the static pressure controller in sun light or other areas with

16  Check that all terminal screws are tight and that wires are in place  Check pulley alignment. Correct if necessary  Check that the power

17  Turn the blower service switch or remote control device to ON. The (optional) intake or discharge damper motor will start to open. Once the dam

18  Use the DC terminals on the flame safety to read the pilot flame signal  Record the pilot flame signal in the Start-Up Sheet  Record th

19  Use the Amplifier to override the heater into high fire.  On discharge temperature control amplifier remove the #4 wire  On the space tempe

2

20 Setting Low Fire  Disconnect power to the amplifier or modulating valve  Adjust the low fire setting on the modulation valve so the flame is

21 PROFILE ADJUSTMENTS The Direct-Fired Gas, make-up heater requires the correct air flow velocity across the burner. The air flow switch monitors

22 Variable Air Volume Profile VAV Profile In low speed, adjust the burner profile opening smaller to increase pressu

23 Check Installation: √ Check The installation environment conforms to the VFD manual. The drive is mounted securely. Space around the driv

24 Flame Safety Controller High Temperature Limit DC Flame Signal DC Voltage Flame Status 0 to 5 VDC No Flame 6 to 11 VDC Weak Flame 12 to 18 VD

25 ELECTRICAL VESTIBULE 1. IGNITION TRANSFORMER 2. INTAKE AIR THERMOSTAT 3. FLAME SFAETY CONTROL 4. MODULATING AMPLIFIER 5. BLOWER SERVICE SW

26 TROUBLESHOOTING The following

27 Burner Troubleshooting Chart Problem Potential Cause Corrective Action Pilot does not light/stay lit Main gas is off Open main gas valve. Air i

28 Remote Panel Troubleshooting Chart Light Indication Condition Possible Cause No lights Power not available to Remote Panel Bad voltage to unit

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

3 TABLE OF CONTENTS WARRANTY ...

30 Maxitrol Preliminary Circuit Analysis Series 14 System The basic Series 14 system consists of an amplifier, a discharge-air sensor and mixing tub

31 Maxitrol Series 14 Troubleshooting Symptom Possible Cause Field Test Remedy No Gas Flow Modulating valve improperly installed Arrow on side of

32 Symptom Possible Cause Field Test Remedy Continuous high fire (electronics OK) Foreign object holding valve open or plunger jammed Inspect: plunge

33 Maxitrol Preliminary Circuit Analysis Series 44 System The basic Series 44 system consists of an amplifier, a discharge-air monitor with mixing

34 Maxitrol Series 44 Troubleshooting Symptom Possible Cause Field Test Remedy No gas flow Modulating valve installed improperly Arrow in side of

35 Symptom Possible Cause Field Test Remedy Incorrect minimum or maximum discharge air temperature Improper TS144 location Incorrect discharge ai

36 Flame Safety Service Guide (Airflow LED may or may not be illuminated)

37 Flame Safety Service Guide (continued) (Airflow LED may or may not be illuminated)

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

39 Burner Orifice Drill Size Orifice Drill Size Gas Port 31 Air Port 43 2 Weeks after Start-Up 1. Belt tension should be checked after the first t

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

Revision 12 – 11.19.2013 START-UP CHECKLIST WARNING!! -The Start-Up must be completed after all field wiring and air balancing has been completed -

5 7. Situate the unit above ground or at roof level high enough to prevent precipitation from being drawn into its inlet. 8. The inlet must

6 FIGURE 1: SIZE 10, 12, 15, & 18 FIGURE 2: NO SPREADER BARS FIGURE 3: WITH SPREADER BARS FIGURE 4: ACCESSORIES CAUTION!! These are unbal

7 WARNING!! The unit must have adequate structural support or the equipment or building could be damaged. WARNING!! Screw or weld the unit’s ba

8 FIGURE 1: HORIZONTAL SPLIT ASSEMBLY FIGURE 2: VERTICAL SPLIT ASSEMBLY

9 Shipped Loose Intake or Discharge Dampers In some cases an intake or discharge damper may be shipped loose. This may be requested b