Zanotti un0 010, Workshop Manual

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153
5.4 Electrical Protection
Devices
Electronics and wiring
FGS Scroll Compressor Protection Thermostat
Specifications:
Circuit unipolar
from J9 − 7thpin by 33 wire
to FM1 pin by 68 wire
Supply voltage 12V
State N.C.
Opens at 105°C (221°F )
Functions:
FGS is a temperature switch that opens scroll compressor
supply circuit, in case of its dis- charge temperature rises
over maximum admitted.
Fuses
Unit devices are protected by fuses preventing all of which from overload damages.
Table 7.4.1: Table of Fuses
Label Protected Devices Rated Current Location
F5 M5 30A E.B. door
F6 M6 30A E.B. door
F8 M8a 20A Pwr Relay Board
F9 M8b 20A Pwr Relay Board
F1O M9a 20A Pwr Relay Board
F11 M9b 20A Pwr Relay Board
F12 M10a 20A Pwr Relay Board
F13 M10b 20A Pwr Relay Board
F2O CPU board 10A Positive Wire from Battery
FA2 K5 K6 15A Pwr Relay Board
FA3 PN 15A Pwr Relay Board
FA4 Fuel Valve 10A Pwr Relay Board
FA5 YS 10A Pwr Relay Board
FA6 YAV 10A Pwr Relay Board
FA7 MTA 15A Pwr Relay Board
FA11 E1, YK 40A Pwr Relay Board
FB Battery 200A Positive Wire from Battery
KB Battery Relay
Functions:
Battery Relay KB disconnects battery while unit is plugged
to electrical main preventing battery overload that can
produce fire or explosions.