Zanotti un0 010, Workshop Manual

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Cooling Circuit
3.9 Scroll Stand-by
Compressor
3.9 Scroll Stand-by Compressor
Scroll Compressor ensure cooling operation during Stand-by mode. Compressor operativity is provided with liquid injection
that protect compressor from overheating during operation.
Specifications
Unit Compressor
un0°060 ZF11
un0°080 ZF13
un0°100 ZF15
un0°120 ZF18
CAUTION
!
Check compressor tension is in
accordance with unit one.
Valve Specifications:
Opening Set Point: 116°C ± 3°C(193°F ± 5°F )
Liquid Line Connection: 9, 5mm (3”)
Maximum operating temperature of sensing bulb is limited
to 145°C (293°F ).
Individual Protection Devices
Shoes, Goggles, Gloves
Injection valve replacement
(a)
Pump down unit.
(b)
Disconnect Unit from Electrical
Supplies (Battery and Electrical
Main).
(c)
Close compressors suction valves.
(d)
Purge from LP service port.