TOA Electronics VFST-CMN-2 dimensions Possible Cause Remedy, Observed Problem

Page 15

TROUBLESHOOTING GUIDE FOR UNVENTED GAS PRODUCTS

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

1.

When igniter button is

A. Igniter electrode positioned wrong.

Replace igniter.

 

pressed, there is no spark

 

 

 

 

Replace igniter.

 

at ODS/pilot.

B. Igniter electrode broken.

 

 

 

 

 

 

C. Igniter electrode not connected to igniter cable.

Reconnect igniter cable.

 

 

 

 

 

 

D. Igniter cable pinched or wet.

Free igniter cable if pinched by any metal or tubing. Keep igniter cable dry.

 

 

 

 

 

 

E. Piezo igniter nut is loose.

Tighten nut.

 

 

 

 

 

 

F. Broken igniter cable.

Replace igniter cable.

 

 

 

 

 

 

G. Bad piezo igniter.

Replace piezo igniter.

 

 

 

 

2.

Heater produces unwanted

A. Heater burning vapors from paint, hair spray, glues, etc.

Ventilate room. Stop using odor-causing products while fireplace is running.

 

odors.

 

 

 

B. Gas leak. See Warning statement on the front page.

Locate and correct all leaks.

 

 

 

 

 

 

3.

Heater shuts off in use

A. Not enough fresh air is available.

Open window and/or door for ventilation.

 

(ODS operates).

 

 

 

B. Low line pressure.

Contact local gas company.

 

 

 

 

 

 

 

 

C. ODS/pilot is partially clogged.

Clean ODS/pilot.

 

 

 

 

4.

Gas odor even when control

A. Gas leak. See Warning statement on the front page.

Locate and correct all leaks (see Checking Gas Connections, page 7).

 

knob is in “OFF” position.

 

 

 

B. Control valve defective.

Replace control valve.

 

 

 

 

 

 

5.

When igniter button is

A. Gas supply turned off or manual shut-off valve closed.

Turn on gas supply or open manual shut-off valve.

 

 

 

 

 

pressed, there is spark at

B. Control knob not in “PILOT” position.

Turn control knob to pilot position.

 

ODS/pilot, but no ignition.

 

 

 

C. Control knob not pressed in while in “PILOT” position.

Press in control knob while in pilot position.

 

 

 

 

 

 

 

 

D. Air in gas lines when installed.

Continue holding down control knob. Repeat igniting operation until air is

 

 

 

removed.

 

 

 

 

 

 

E. ODS/pilot is clogged.

Replace ODS/pilot assembly or get it serviced.

 

 

 

 

 

 

F. Gas regulator setting is not correct.

Replace gas regulator.

 

 

 

 

6.

ODS/pilot lights, but flame

A. Control knob not fully pressed in.

Press in control knob fully.

 

goes out when control knob

 

 

 

 

 

 

is released.

B. Control knob not pressed in long enough.

After ODS/pilot lights, keep control knob pressed in 30 seconds.

 

 

 

 

 

 

C. Manual shut-off valve not fully open.

Fully open manual shut-off valve.

 

 

 

 

 

 

D. Thermocouple connection loose at control valve.

Hand tighten until snug, then tighten ¹⁄₄ turn more.

 

 

 

 

 

 

E. Pilot flame not touching thermocouple, which allows

 

 

 

thermocouple to cool, causing pilot flame to go out. This

 

 

 

problem could be caused by one or both of the following:

1). Contact local gas company.

 

 

1). Low gas pressure

 

 

2). Dirty or partially clogged ODS/pilot

2). Replace ODS/pilot assembly or get pilot serviced.

 

 

 

 

 

 

F. Thermocouple damaged.

Replace thermocouple.

 

 

 

 

 

 

G. Control valve damaged.

Replace control valve.

 

 

 

 

7.

Burner does not light after

A. Burner orifice is clogged.

Clean burner or replace burner orifice.

 

ODS/pilot is lit.

 

 

 

B. Burner orifice diameter is too small.

Replace burner orifice.

 

 

 

 

 

 

 

 

C. Inlet gas pressure is too low.

Contact local gas company.

 

 

 

 

8.

Delayed ignition of burner.

A. Manifold pressure is too low.

Contact local gas company.

 

 

 

 

 

 

B. Burner orifice is clogged.

Clean burner or replace burner orifice.

 

 

 

 

9.

Burner backfiring during

A. Burner orifice is clogged or damaged.

Clean burner or replace burner orifice.

 

combustion.

 

 

 

B. Burner damaged.

Replace burner.

 

 

 

 

 

 

 

 

C. Gas regulator defective.

Replace gas regulator.

 

 

 

 

10.

Slight smoke or odor during

A. Vapors from paint or curing process of logs.

Problem will stop after a few hours of operation. SFC recommends running the

 

initial operation.

 

heater with excess ventilation for the first few hours.

 

 

 

 

11.

Heater produces a whistling

A. Turning control knob to “HI” position when burner is cold.

Turn control knob to “LO” position and let warm up for a minute.

 

noise when burner is lit.

 

 

 

B. Air in gas line.

Operate burner until air is removed from line. Have gas line checked by local gas

 

 

 

 

 

company.

 

 

 

 

 

 

C. Dirty or partially clogged burner orifice.

Clean burner or replace burner orifice.

15

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Contents Unvented Decorative Gas Fireplaces 903571 REV. H 12/2007 Consumer Retain this manual for future referenceTable of Contents Massachusetts CodesMassachusetts And New York Require- ments Combustion and Ventilation AIRLocation of Fireplace ClearancesExample Check Gas Type PreinstallationAssembly Steps Installation StepsVfst Appliance Specifications Vfst Framing SpecificationsFraming Dimensions 22-3/4 578 mm 40-1/8 1016 mm Min43 1092 mm Min Gas Flex Line Kit, Model Gflv Finished Wall Details Vfst Series Standard Wiring DiagramFlame Appearance Assembling the LogsOptional Equipment Remote Control KitWall Switch Kit Installing the Optional Glass DoorWall Thermostat Kit Optional on Unit Rocker SwitchSolid Brass Hood Kit Solid Brass Louver KitOperation and Care of Your Appliance Cleaning and ServicingReplacement Parts Accessories and ComponentsKit Possible Cause Remedy Observed ProblemLighting Instructions For Your Safety Read Before LightingOperating Instructions What to do if YOU Smell GASTurn Control Knob to on Position Turn Control Knob to OFF Position PilotTurn Control Knob to Pilot Position Pilot LocationVfst Replacement Parts List VFST-CMNDescription Replacement Parts Vfst VFPF-CMN Vfpf Replacement Parts ListReplacement Parts Vfpf Page Page Orange, CA 903571 REV. H 12/2007

VFST-CMN-2 specifications

The TOA Electronics VFST-CMN-2 is a top-tier public address system speaker that epitomizes the fusion of technology and audio excellence. Renowned for its superior sound quality, this speaker is designed primarily for commercial, institutional, and outdoor environments. One of its standout features is its remarkable versatility, making it suitable for various applications, including schools, shopping centers, and outdoor events.

A key characteristic of the VFST-CMN-2 is its robust construction. Designed to withstand challenging conditions, the cabinet is made from high-impact ABS plastic, ensuring durability and longevity. This makes it an ideal choice for use in outdoor settings where exposure to the elements is a concern. Additionally, the speaker is equipped with a weather-resistant grille that helps protect the internal components from moisture and debris, further enhancing its suitability for external applications.

The VFST-CMN-2 also boasts an impressive frequency response, which allows it to deliver crystal-clear sound across a wide range of audio frequencies. Its ability to reproduce low, mid, and high frequencies ensures that announcements and music are clear and intelligible, making it an excellent choice for diverse audio needs. Complementing its sound capabilities, this speaker is equipped with high-efficiency drivers that maximize audio output while minimizing distortion.

Furthermore, the VFST-CMN-2 incorporates advanced technology that allows for easy installation and configuration. It features a dual voltage transformer that provides flexibility, enabling the speaker to operate at both 100V and 70V systems, catering to various installation requirements. The integrated mounting brackets make installation straightforward, allowing users to quickly position the speaker for optimal sound distribution.

The design of the VFST-CMN-2 also emphasizes aesthetics, maintaining a sleek and modern look that blends well with any environment. Its lightweight design facilitates mobility, allowing users to easily relocate the speaker as needed.

In conclusion, the TOA Electronics VFST-CMN-2 is a powerful and resilient speaker system that delivers exceptional performance across different settings. With its durable construction, superior audio quality, and user-friendly features, it stands out as a premier solution for any public address or sound reinforcement needs. Whether used in an educational institution, commercial space, or at an outdoor event, the VFST-CMN-2 ensures clear communication and an outstanding listening experience.
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