26
Replacement Procedures
Service Manual
SERENE SC112N-A
Gas Detector
A gas detector is required and must be used when servicing HC units. A gas
detector is a safety device for Hydrocarbon gas to warn the technician that
hazardous flammable gas is present.
Leak Detector
A leak detector is recommended for servicing HC units. It is used to track
and locate the source of Hydrocarbon gas leaks.
On-Site Work
The service technician must have required knowledge, skills and tools to
proceed with on-site refrigeration sealed system diagnostics.
Minimum knowledge and skills
Experience and qualifications suitable for work on a flammable
refrigeration system.
Performs no unsafe activity.
Minimum tools and equipment
Hydrocarbon gas detector
Safety signage - suitable to create a safe work zone 1.5m around the
cabinet.
Refrigeration gauge set - suitable for R290 flammable refrigerant.
Bullet valves/line piercing valves suitable for 6mm tube.
Service vehicle
Suitable for transporting flammable gas (being HC refrigeration
systems). Vehicle storage area must be well ventilated externally,
and not ventilated into the vehicle. There must be no ignition sources
in the storage area, nor any areas where the gas may pool.
Must be able to transport swap units.
Should carry minimum SKOPE HC service parts.
Hydrocarbon
Workshop
The following tools and equipment are required in the hydrocarbon
workshop:
Hydrocarbon Leak Detector.
Dedicated Hazardous workshop Area - suitable for servicing and
release of flammable refrigerant.
Refrigeration Gauge set - suitable for R290 flammable refrigerant.
Dry Nitrogen - suitable for purging and high pressure testing.
Refrigeration Vacuum pump rated as suitable for use with R290 (by
Vacuum pump supplier).
Charging scales rated as suitable for use with R290 (by scales
supplier), accuracy to 1.0gm.
R290 refrigerant supply cylinder.
