them away from any point of contact and energize the power supply.
a. If either high voltage lead is defective the light will indicate the trouble. Each lead may then be checked separately by disconnecting them, one at a time, from their respective terminals at the power supply. When a lead is found to be defective, replace it in its entirety. Do not repair or splice.
b. If the light glows steady with the leads disconnected at the
The trouble can then be isolated to, a single cell, or the ionizing or collector section of a given cell as follows:
(1)First determine if the short is in the ionizing section or the collecting section by connecting each high voltage lead to its respective section, one at a time, and energizing the power pack. (The lead not con- nected must be supported away from any point of contact.) The short symptoms will still exist for the section in which the short is located. If the trouble causing the short is bridging both sections, then the short will be indicated in both sections when they are individually connected.
(2)When the short is isolated to a cell tier, remove all the cells within the tier and visually check the sec- tions indicated to contain the short.
(a). If the short is in the ionizer section look for a broken or defective insulator.
(b). If the short is in the collector section look for a large piece of foreign material bridging the collector plates or a defective insulator.
(c). If the short is indicated to be in both sections, it will probably be a foreign object bridging the air gap between the ionizer and the collector.
c.Open Circuits
Although open circuits can occur in the secondary they usually take place in the primary. If the unit contains only one power supply and the indicating light does not glow the outage is probably one of the following.
(1)Supply line power to the control disconnected. Reconnect.
(2)Open access door interlock in control of electronic air cleaner. Be sure all access doors are properly closed and secured.
(3 )Blown
(4)Outage in the power supply. Look for charred or burned components or a loose wiring connection. Replace power supply or reconnect wiring.
(5)Defective indicating light. Replace light.
d. Malfunctions other than short or open circuits. Refer to trouble reference chart in this section.
7. Spare Parts
Recommended spare part quantities are usually based on the unit size and the amount of units per installation. For specific recommendations, consult the Trion factory or nearest Sales Office. Consideration, however, should be given to stocking the following components;
DESCRIPTION | QTY. |
PWM Power Supply | 2 |
Junction Box Stand Off Insulators | 2 |
Cell Insulators | 6 |
LED | 2 |
Part Numbers are not listed as they are subject to change. Always state Unit Model and Serial Numbers when ordering parts.
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