Foster F20 Microphone User Manual


 
7. Dip Switch Positions
DIP
SWITCHES FCI 20 FCI 30 FCI 40 FCI 60 FCI 85
1 ON ON ON ON ON
2 OFF OFF OFF OFF OFF
3 ON OFF ON ON ON
4 OFF OFF OFF ON ON
5 ON ON ON ON ON
6 OFF OFF OFF OFF OFF
7 ON ON ON ON ON
8 OFF OFF OFF OFF OFF
9 OFF OFF OFF OFF OFF
10 OFF OFF OFF OFF ON
Table C
LENGTH OF THE DEFROST CYCLE Ts ACCORDING
TO THE TIME OF T2
T2 Ts
T2 < 5’ 210”
5’ < T2 < 6’ 195”
6’ < T2 < 6’30” 180”
6’30” < T2 < 7’ 165”
7’ < T2 < 8’ 150”
8’ < T2 < 9’ 135”
9 < T2 < 10’30” 120”
10’30” T2 < 12’ 105”
12’ < T2 90”
Table D
ICE LEVEL SENSOR CONTROL TEMPERATURE RANGE ACCORDING
TO THE 8 AND 9 DIP SWITCH SETTING COMBINATIONS
8 9 DELTA T °C
ON ON 1
OFF ON 1.5
ON OFF 2
OFF OFF 2.5
Table A
LENGTHS OF TIMED PORTION OF FREEZING CYCLE Ta ACCORDING TO
THE DIP SWITCH SETTING COMBINATIONS
Ta
3 4 5 6 7 min.
ON ON ON ON ON 0
OFF ON ON ON ON 1
ON OFF ON ON ON 2
OFF OFF ON ON ON 3
ON ON OFF ON ON 4
OFF ON OFF ON ON 5
ON OFF OFF ON ON 6
OFF OFF OFF ON ON 7
ON ON ON OFF ON 8
OFF ON ON OFF ON 9
ON OFF ON OFF ON 10
OFF OFF ON OFF ON 11
ON ON OFF OFF ON 12
OFF ON OFF OFF ON 13
ON OFF OFF OFF ON 14
OFF OFF OFF OFF ON 15
ON ON ON ON OFF 16
OFF ON ON ON OFF 17
ON OFF ON ON OFF 18
OFF OFF ON ON OFF 19
ON ON OFF ON OFF 20
OFF ON OFF ON OFF 21
ON OFF OFF ON OFF 22
OFF OFF OFF ON OFF 23
ON ON ON OFF OFF 24
OFF ON ON OFF OFF 25
Table B
Dip Switch Settings FCI 20 and FCI 30 - R134A Machines
IT IS IMPORTANT TO NOTE THAT THE OPERATING INSTRUCTION AND PRINCIPLE OF
OPERATION FOR THE FCI 20 AND FCI 30 ARE THE SAME AS THE R22 MACHINES
Dip switch 1 2 3 4 5 6 7 8 9 10
FCI 20 ON OFF OFF ON ON OFF ON OFF OFF ON
FCI 20 W ON OFF OFF ON ON OFF ON OFF OFF ON
FCI 30 ON OFF OFF OFF OFF ON ON OFF OFF ON
FCI 30 W ON OFF OFF OFF OFF ON ON OFF OFF ON
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8. Circuit Board and Component Sequence of Operation
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5 Fig. 6
Fig. 7 Fig. 8
Fig. 9
START UP
START OF FREEZE CYCLE
PHASE 3 OF FREEZE CYCLEPHASE 2 OF FREEZE CYCLE
DEFROST CYCLE BIN FULL
MACHINE FAULT RED LED ILLUMINATED STAND BY
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