Cleveland 24-CGM-200, Дополнительное руководство

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Replace the
on/off rocker
switch
Yes
Connect power
to steamer.
No
Is the red light on
in the power
switch?
Is there power to
the steamer?
Is there water in
the sight glass?
Yes
See
Steamer won't
fill.
No
Yes
PROBLEM:
Gas Boiler won't
build pressure
No
Boiler won't build
pressure
Is the red "LOW
Water" light on?
Yes
Is the red "LOW
Water" light on
with a jumper from
terminals LOW
and C on the water
board?
Replace the
water board.
Is the Amber light
on in the reset
switch?
No
Is there 120 VAC
between
terminals L2 and
HTR on the water
board?
Yes
Repair
or Replace the
probe circuit.
No
Is there 120 VAC
between terminals
L2 and HTR on the
water board with a
jumper between
LOW and C?
Is there 120 VAC
to terminal 2 on
the R1 relay?
Repair
or Replace the
probe circuit.
Replace the
water board
Replace the
Reset switch
Yes
After depressing
the reset switch,
does the Amber
light go off?
Does this boiler
have the optional
Secondary Low
Water Cut Out?
With the High
Limit pressure
switch
temporarily
bypassed, does
the Amber light go
off when the reset
switch is
depressed?
Yes
No
No
Yes
No
Replace
the high limit
pressure
switch
With the SLW CO
switch
temporarily
bypassed, does
the Amber light go
off with the reset
switch depressed?
No
Yes
Yes
Replace the
SLWCO switch
With a jumper
from terminal 6 to
4 on the R2 relay,
does the Amber
light go out with
the reset switch
depressed?
No
No
Replace the
relay.
Yes
Yes
Is there 120 VAC
to the primary of
the 24 VAC
ignition
transformer?
No
Yes
Replace the R1
relay
No
Yes
Is there 120 VAC
to the primary of
the ignition
transformer with
the operating
pressure switch
temporarily
bypassed?
No
Replace the R1
relay
Replace
the operating
pressure
switch
Is there 24 VAC at
the secondary of
the ignition
module?
Yes
Is there flame at
the burner?
Yes
With
flame and water the
Boiler is making
steam. Check for
leaks.
Is there allot of
steam coming out
the drain?
Yes
Replace the
steam trap
Yes
No
See Boiler
won't ignite.
No
Replace the
ignition
transformer
No
No
Yes
No