Product Overview

WARNING: Before making a pilot flame test, manually shut off the fuel supply to the main

burner.

Normal Pilot Flame Test (MP560, MP561, MP562 Programmers Only)

1. Place the “Run-Check” switch in the “Check” position.

2. Turn power on and initiate a normal startup.

3. Observe the pilot flame signal on the test meter. If the average flame is below normal, a steady

DC voltage reading of 4.0 to 6.0 volts (for UV amplifiers) and 14 to 18 volts (for flame rectifica-

tion amplifiers), re-adjust the pilot flame or realign the flame detector.

WARNING: DO NOT TOUCH a flame rectification rod with power applied.

4. During the pilot flame test and adjustment period, if flame is not detected within 30 seconds, the

control will lock out. To reestablish the pilot flame trial for ignition (P.T.F.I.), manual reset of the

lockout switch is required, and a complete repurge is accomplished.

5. When UV detection is used, a test is required to verify that UV radiation from the ignition spark

is not being detected. To accomplish this, manually shut off both pilot and main fuels. Initiate a

normal startup, observe the test meter which should read no more than 1/2 volt DC. If more than

1/2 volt DC is observed, realign the UV scanner, and/or shield the spark from the scanner’s

view.

6. Move the “Run-Check” switch to the “Run” position, check pilot flame failure response time by

manually shutting off the pilot fuel and then initiate a normal startup. With no pilot flame

present, the control will de-energize the pilot assembly at the end of the trial for ignition interval

(5 or 10 seconds, selected by dipswitches #6 and #7 - see Programmer Dipswitch Settings on

page 11), and the control will lock out.

WARNING: The minimum pilot test must be accomplished by a trained and qualified burner

technician.

Minimum Pilot Test

This test insures that the flame detector will not sense a pilot flame too small to light the main flame

reliably. It must be made on every new installation as well as following the repositioning of the flame

detector. This procedure should not be used on a direct spark ignited burner.

1. Manually shut off the fuel to the main burner.

2. Place the “Run-Check” switch in the “Check” position. (MP560 Programmers only).

3. Connect a test meter to the test jacks on the Amplifier Module.

4. Initiate a normal startup.

5. Reduce the fuel to the pilot until the DC voltmeter reads 3.5 volts for UV scanners. See WARN-

ING below. This is the minimum pilot. For flame rectification the flame signal for minimum

pilot varies depending on the application. See WARNING below.

6. Return the “Check-Run” switch to the “Run” position. (MP560 Programmer only).

7. Slowly turn on the main fuel and insure that the main flame lights off promptly and normally.

WARNING: If light off is delayed, shut off the power to the installation. Realign the flame

detector so that pilot flame detection requires a larger pilot flame. Repeat this test until the

main flame lights reliably with minimum pilot.