Frymaster FTB-350A operation manual Test Controlling Function, Test Controller High Limit

D.TEST CONTROLLING FUNCTION

1.Press controller ON/OFF switch to ON (set point = 340°F/171°C).

2.Set FTB-350A PROBE switches (6 & 7) to VARIABLE.

(a)RELAY POWER indicator (3) illuminates.

(b)Rotate VARIABLE knob (8 & 9) counterclockwise until controller indicates a temperature.

(c)Rotate VARIABLE knob (8 & 9) slowly clockwise until controller indicates DROP.

(d)Press Temperature button on controller. Controller should indicate a temperature from one (1) to (4) degrees +/- set point (340°F/171°C). If not, rotate the VARIABLE knobs (8 & 9) counterclockwise very slowly until HEAT indicators (2 & 4) cycles ON. DROP band is 338°F/170°C-344°F/173°C.

(e)HEAT indicators (2 & 4) should now cycle ON and OFF very slowly.

E.TEST CONTROLLER HIGH LIMIT

1.Press controller ON/OFF switch to ON.

2.Set FTB-350A PROBE switches (6 & 7) to 414°F/212°C.

(a)RELAY POWER indicator (3) illuminates.

(b)Controller displays “HOT” “HI-1” alternating with the temperature and the alarm sounding.

(c)RELAY POWER indicator (3) is no longer illuminated.

(d)Turn off FTB-350A POWER switch (10).

F.TEST PROBE FAILURE MALFUNCTION

1.Press controller ON/OFF switch to ON.

2.Set FTB-350A PROBE switches (6 & 7) to SHORT.

(a)RELAY POWER indicator (3) illuminates.

(b)Controller displays “HIGH LIMIT FAILURE” alternating with “DISCONNECT POWER” and the alarm sounding.

(c)RELAY POWER indicator (3) is no longer illuminated.

(d)Turn off FTB-350A POWER switch (10).

(e)Controller test is now complete.

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