DV425TR DIRECT VENT ROOM HEATER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLE SHOOTING

 

Problem:

Possible Cause:

Solutions:

 

 

 

 

 

 

 

 

Pilot will not light.

Air in Gas Lines.

Bleed air from Gas Line.

 

 

 

 

 

 

 

 

 

 

Wrong Inlet Pressure.

Check Gas Line pressure (7” Nat., 11” L.P.).

 

 

 

 

 

 

 

 

 

 

Defective Spark

Replace Electrode if the Insulator is cracked or the Tip is

 

 

 

 

Electrode.

corroded. Verify that the Spark Gap between the Pilot and

 

 

 

 

 

the Electrodes correct.

 

 

 

 

 

 

 

 

 

 

Defective Piezo Wire.

Replace Piezo Wire if Insulation is damaged, broken, or

 

 

 

 

 

corroded.

 

 

 

 

 

 

 

 

 

 

Safety Interlock

Allow Thermocouple to cool until the mV drops below the

 

 

 

 

Function engaged.

hold - in requirements of the Safety Magnet (30 seconds or

 

 

 

 

 

less). Relight Pilot.

 

 

 

 

 

 

 

 

Pilot will not hold.

Wrong Inlet Pressure.

Check Gas Line pressure (7” Nat., 11” L.P.).

 

 

 

 

 

 

 

 

 

 

Pilot Adjustment Screw

After the Pilot has been lit for approximately [3] min., and only

 

 

 

 

not adjusted properly.

the Thermo-generator wires connected to the Main Operator

 

 

 

 

 

Head, measure the voltage across TPTH and TP. This Open

 

 

 

 

 

Circuit voltage should be between 500mV and 750mV. Tune

 

 

 

 

 

the Pilot Adjustment Screw until the mV reading falls within

 

 

 

 

 

these parameters. Counter-clockwise increases the mV

 

 

 

 

 

reading, Clockwise decreases it. Turn with a Wrench.

 

 

 

 

 

 

 

 

 

 

Thermocouple or

With the Thermocouple and Thermo-generator Tips cool,

 

 

 

 

Thermo-generator has

clean the upper 3/8” with a very fine Emery cloth.

 

 

 

 

Film build-up on Tip.

 

 

 

 

 

 

 

 

 

 

 

Electrical Resistance

Using a very fine Emery cloth, clean the Thermo-generator

 

 

 

 

too high.

and Thermocouple connections at the Valve. Tighten

 

 

 

 

 

Thermocouple into Valve, hand tight, adding a 1/4 turn

 

 

 

 

 

with a wrench.

 

 

 

 

 

 

 

 

 

 

Defective

Verify that the Thermocouple is not kinked or damaged.

 

 

 

 

Thermocouple.

Check Open-Circuit voltage of Thermocouple. Voltage should

 

 

 

 

(mV Plus System)

be between 18mv and 28mv. If voltage is less than 14mv,

 

 

 

 

 

replace the Thermocouple.

 

 

 

 

 

 

 

 

 

 

Defective Thermo-

After the Pilot has been lit for approximately [3] min.,and only

 

 

 

 

generator.

the Thermo-generator wires connected to the Main Operator H

 

 

 

 

(millivolt System)

Head, measure the voltage across TPTH and TP. This Open

 

 

 

 

 

Circuit voltage should be between 500mV and 750mV. Tune

 

 

 

 

 

the Pilot Adjustment Screw until the mV reading falls within

 

 

 

 

 

these parameters. Counter-Clockwise increases mV reading,

 

 

 

 

 

Clockwise decreases it.

 

 

 

 

 

 

 

 

 

 

Defective Safety Magnet

Verify operation of Safety Magnet in the following manner:

 

 

 

 

(mV Plus Systems).

(A) Depress and hold the Pilot Button.

 

 

 

 

 

(B) Verify Open-Circuit Thermocouple voltage as described

 

 

 

 

 

in previous Step.

 

 

 

 

 

(C) Reconnect Thermocouple to the Valve.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

02/01

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Sapphire Audio DV425TR owner manual Trouble Shooting
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DV425TR specifications

The Sapphire Audio DV425TR stands out as an innovative and high-performance audio component designed for audiophiles and home theater enthusiasts alike. Featuring a sleek and modern aesthetic, the DV425TR encapsulates the perfect blend of advanced technology and premium materials, ensuring an exceptional listening experience.

One of the key features of the DV425TR is its exceptional digital-to-analog converter (DAC) technology. This cutting-edge DAC offers superior audio conversion capabilities, allowing for a wider dynamic range and a better signal-to-noise ratio. The result is crystal-clear sound reproduction that captures the nuances in recordings, whether it's a symphony orchestra or a simple acoustic guitar.

The DV425TR also comes equipped with high-resolution audio support, enabling playback of audio files up to 24-bit/192 kHz. This feature ensures that users can enjoy their favorite music in the highest quality possible, effectively bringing studio-level fidelity into the home environment. Additionally, the device supports various high-resolution audio formats, including FLAC, ALAC, and DSD, making it a versatile option for music lovers who appreciate quality.

In terms of connectivity, the Sapphire Audio DV425TR is built to accommodate the modern listener's needs. With multiple inputs, including optical, coaxial, and USB, users can seamlessly connect various audio sources, from CD players to computers. The unit also includes Bluetooth functionality, allowing for wireless streaming from smartphones and tablets, which adds convenience to the listening experience.

A significant highlight of the DV425TR is its custom-tuned internal amplifiers. These amplifiers are specifically designed to work in harmony with the DAC, ensuring that audio output is not only powerful but also enriched with depth and clarity. The carefully selected components contribute to a listening experience that is both engaging and dynamic, whether one is watching movies or enjoying music.

Another noteworthy characteristic of the DV425TR is its versatility in audio playback systems. It allows users to integrate the device into a variety of setups, including stereo, multi-channel, or home theater configurations. This adaptability makes it an ideal choice for those looking to enhance their audio systems without compromising on sound quality.

The Sapphire Audio DV425TR exemplifies the synergy of advanced technology and sophisticated design. With its impressive array of features, superior sound quality, and flexible connectivity options, it sets a new standard for home audio components, making it a must-have for serious audio enthusiasts.
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