Hussmann super plus Service Manual
Being Safe is Your Responsibility.
Wear proper eye protection whenever
working.
working.
Wear proper hearing pro t e c t i o n
whenever working in a machine room.
whenever working in a machine room.
Stand to one side–never work directly in
front of:
front of:
•
Any valve you are opening or closing
Manual refrigeration valves
Regulator valves on brazing
tanks and nitrogen tanks
Regulator valves on brazing
tanks and nitrogen tanks
•
Electrical Circuit Breakers
•
Refrigeration lines you are cutting or
opening
Always use a pre s s u re regulator with a
nitrogen tank.
nitrogen tank.
•
Do not exceed 2 pounds of pressure and
vent lines when brazing.
•
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.
Know whether a circuit is open at the
power supply or not. Remove all power
before opening control panels.
power supply or not. Remove all power
before opening control panels.
Always supply proper ventilation.
•
Refrigerants and nitrogen can displace
oxygen causing suffocation.
oxygen causing suffocation.
•
Refrigerants exposed to flame can
produce phosgene, a poisonous gas.
Be sure refrigeration lines are free of
pressure before cutting. Check:
pressure before cutting. Check:
•
Both sides of a two way valve
•
All lines to a 3-way or 4-way valve
D a n g e rous hydraulic explosions may
result if you
result if you
•
Isolate liquid lines or compressor when
they can absorb heat over an extended
time period
•
Overfill
pumpdow n
refrigerant
containers
Never vent refrigerants into the
atmosphere.
atmosphere.
Some equipment has more than one
power supply.
WARNING
SAFETY TIPS
Revised August 1, 1996