Download Scroll Plus Rack System Manual

Transcript
Contents
Revised August 1, 1996
Tables
Figures
SAFETY TIPS
Being Safe is Your Responsibility.
Wear proper eye protection whenever working.
Wear proper hearing protection whenever
working in a machine room.
Know whether a circuit is open at the power
supply or not. Remove all power before
opening control panels.
Always supply proper ventilation.
•Refrigerants and nitrogen can displace oxygen
causing suffocation.
Stand to one side–never work directly in
front of:
•Any valve you are opening or closing
Manual refrigeration valves
Regulator valves on brazing tanks and
nitrogen tanks
•Electrical
•Refrigerants
exposed to flame can produce
phosgene, a poisonous gas.
Be sure refrigeration lines are free of pressure
before cutting. Check:
•Both sides of a two way valve
Circuit Breakers
•All
•Refrigeration
lines to a 3-way or 4-way valve
lines you are cutting or opening
Always use a pressure regulator with a nitrogen tank.
•Do not exceed 2 pounds of pressure and
vent lines when brazing.
Dangerous hydraulic explosions may result if
you
•Isolate liquid lines or compressor when they
can absorb heat over an extended time period
•Overfill
pumpdown refrigerant containers
•Do
not exceed 350 pounds of pressure for
leak testing high side.
•Do not exceed 150 pounds of pressure for
leak testing low side.
Use only a striker to light torch.
Never vent refrigerants
into the atmosphere.