LAARS HP-M2 Series - Installation, Operation and Maintenance Instructions - Manual (Page 31)

H Series Page 31
Figure 26. Red "Purge" Light Flashing (You Must Complete Figure 24 First).
RESET BOILER CONTROL BY
SWITCHING POWER OFF FOR 15
SECONDS AND THEN ON AGAIN
WITH A CALL FOR HEAT / HOT
WATER AFTER APPROX. TWO
SECONDS GREEN LIGHT COMES
ON AND BLOWER STARTS
AFTER 45 SECONDS RED
"PURGE" LIGHT FLASHES AFTER FIVE MINUTES RED
"PURGE" LIGHT FLASHES
STACK SWITCH CONTACTS
NOT CLOSING. CHECK FOR
FLUE BLOCKAGE (SNOW,
LEAVES ETC.) AGAINST
VENT TERMINAL
CYCLE BOILER MANY
TIMES TO TRY TO CREATE
A MALFUNCTION
SHUT OFF POWER, DISCONNECT
WIRES TO STACK SWITCH, TURN
ON POWER - AFTER TWO SEC-
ONDS BLOWER STARTS
CLEAR BLOCKAGE AND
RECYCLE BOILER
RECONNECT STACK
SWITCH WIRES.
CHECK BLOWER
FIGURE 27
CHECK STACK SWITCH
FIGURE 28
YES
BLOCKAGE
EXISTS
NO
BLOCKAGE
NO
NO YES
YES NO
Р
Р Р
Р
Р
Р
Р
Р
Р
CHECK STACK SWITCH
FIGURE 28
Ð
OUT OF
PRODUCTION