Lincoln 1100 Series ユーザーズマニュアル

No main fan cool down

20 Minute Time Delay

Check for 120 VAC at pin#2 and #3

Relay

while main fan is running.  Turn off

main fan switch and 120 VAC should

continue to be present for 20 minutes.

Main Fan Relay

Check if relay is operating and

terminals are remaining closed for

main fan cool down of 20 minutes.

Main fan runs after

NOTE: The time delay relay will

20 minute cool down

keep the coil of the main fan relay

closed, maintaining main fan operation for

cool down for approximately 20 minutes.

Cool Down Relay

Contacts of the relay should

open when main fan is switched off.

Time Delay

120 VAC at terminal 2 should

discontinue approximately 20 minutes after main

fan is switched off.  If cool down relay is open and

voltage continues at terminal 2,

replace time delay.

Main Fan Relay

When voltage at terminal 2 of time

delay ceases, main fan relay must open.

No control box cooling

Incoming Power

Check main circuit breakers, reset if

required, call power company if

needed.

Main Fan Switch

Check continuity between switch

terminals.

Control Box High Limit

Terminals are normally closed, and

Thermostat

open at 170°F ± 5°F (76.6°C ± 2.8°C).

Note: Discontinued at

Check for over heating and reset

S/N 2011821

thermostat.  Test for proper operation.

If it will not reset and hold, replace.

Fuse, 1 Amp

Check, replace if necessary.

Fuseholder

Check, replace if necessary.

Step Down Transformer

120 VAC should be present on

secondary.  Replace as needed.

Cooling Fans

120 VAC should now be at these fan

motors.  If voltage is present, check

motors for shorts or opens.

WITH POWER OFF: Check for locked rotor.

No automatic control

Incoming Power Supply

Check circuit breakers, reset if

box cooling

required, call power company if needed

Cooling Fan Thermostat Thermostat is normally

open and closes at 120°F ± 3 (48.9°C ± 1.7°),

and opens at 100°F ± 3°F

(37.8°C ± 1.7°C).

Control Box Hi Limit

Terminals are normally closed, but

Discontinued at S/N

open at 170°C ± 5°F (76.6°C ± 2.8°C).

2011821

Check for over heating and reset

thermostat.  Test for proper operation.

If it will not reset and hold, then

replace.

Fuse, 1 Amp

Check, replace if necessary.

Fuseholder

Check, replace if necessary.

Step Down Transformer

120 VAC ± 10%  should be present at

secondary of transformer.  If proper

voltage is not present, check

transformer primary for proper

input.  Replace as needed.

Impinger II - 1100 Series Service Manual - International

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