Out of production – LAARS HP-M2 Series - Installation, Operation and Maintenance Instructions User Manual

Page 31

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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

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