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17 Cards in this Set
- Front
- Back
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What is the difference between an IP and DSi system |
DSi system has no pilot |
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What is the average distance for a spark gap for an IP system |
1/8 in |
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What is the average distance for spark gap for a DSi system |
1/8 in |
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What is the advantage of a combined ignitor sensor over separate ones |
There is no distinct advantage |
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Can a continuous trial ignition module be used on propane |
No |
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What type of current is returns to the module as flame current |
Microamps DC |
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What nominal voltage should be present at the MV terminals when the unit is firing |
24 volts ac |
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When replacing ignition modules what is the most important Factor |
Parameters such as lockout and trials for ignition must match |
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Why is the proper grounding of an ignition module so important |
This path proves the flame |
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When taking the flame current on a working ignition system the module Sparks until lock out of curse you have checked at the meter setup and connected to the Circuit properly what could cause a system to suddenly stopped working |
The fuse in a meter has burned out |
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Why is there a delay between powering the module and igniter warm up period |
To allow for a brief pre-purge cycle |
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What voltage is supplied to the module for the hot surface ignitor |
Line voltage AC |
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What voltage is supplied to the module for the gas valve |
24-volt AC |
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After the igniter is powered why does it take so long for the main burner gas to come on |
To allow the igniter to reach operating temperatures |
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What type of current is returned to the module |
Microamps DC |
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What happens if the 24 volt power supply leads are reversed on the universal module |
The module lockout and flash a code |
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A hot surface ignition system energizes the igniter and turns on the main burner gas. The main burner lights but goes out after a brief time. What is wrong with this module? |
The flame is not being proved |
