Product Overview

20
£
ignition is de-energized. If flame is not detected during the trial for ignition period, the primary
main fuel valve and spark ignition are de-energized. A safety lockout occurs which de-energizes
the burner motor and energizes the lockout alarm circuit (Alarm LED lit) approximately 30 sec-
onds after the safety lockout occurs.
7. Manual reset is required following a safety lockout.
NOTE: Wait 10 seconds after lockout before resetting the control.
Direct Spark Ignited Burners - “Non-recycle” Operation
The function of “non-recycle” direct spark ignited burners is the same as described for the “recycle”
controls, except that the “non-recycle” operation will lock out following any flame failure. “Recycle”
or “non-recycle” operation is determined by the position of dipswitch #8. See Programmer Dipswitch
Settings on page 11.
APPLICATION AND FUNCTION — MP561
The MP561 operates in the same manner as the MP560 with the following exception. The MP561
programmer does not have the 8 second pilot stabilization period. KF-1 closes as soon as flame is
detected. Terminal 4 is de-energized 10 seconds later.
TIMING CHART
Selectable Recycle/Non-Recycle operation on loss of flame after Terminal 5 is energized.
APPLICATION AND FUNCTION - MP562
The MP562 operates in the same manner as the MP560 programmed for "Non-Recycle Operation"
with the following exceptions.
1. On loss of air flow (terminals 8-6) during the purge period, the control will re-initiate the purge
period once air flow is proven.
2. On loss of air flow (terminals 8-6) after the purge period has been completed, the control will ini-
tiate a safety shutdown and lockout
3. Dipswitch #6 is not functional on the MP562, MP562E programmers.
Note: The control will lockout on loss of flame during the trial for ignition period or main flame.
TYPE MP561
PROGRAMMING SEQUENCE
L1/7
ON
PURGE
COMPLETE
FIRING
PERIOD
L1/7
OFF
SELECTABLE PTFI
5 OR10 SEC
SELECTABLE
PURGE
8
T
E
R
M
I
N
A
L
S
3
4
5
SELECTABLE
POST PURGE
AIR
FLOW
PROVEN
MTFI
10 SEC