Bell & Gossett 70M Multiple Pump & Control Pressure Booster Systems User Manual
Instruction manual
INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.
SAFETY
INSTRUCTION
This safety alert symbol will be used in this manual and on the
70E/70M Safety Instruction decal to draw attention to safety
related instructions. When used, the safety alert symbol means
ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS
MAY RESULT IN A SAFETY HAZARD!
70E/70M Multiple Pump & Control
Pressure Booster Systems
70E
DESCRIPTION
Microprocessor controlled frame mounted multiple pump
pressure boosting system with combination pressure reducing
and non-slam check valves for maintaining system pressure.
The motors are controlled by a control panel with micro-
processor, starters, overload protection, virtual H-O-A switches,
optional short circuit protection, and control transformer.
The microprocessor control consists of an operator interface
with 2 line backlit display and membrane key pad, input/
output board with 24V power supply, and microcontrolled
kW transducer.
OPERATIONAL LIMITS
See unit nameplate for pump capacity, boost, full load current
draw, and operating voltage. The pump discharge pressure
must not exceed 125 PSI unless special piping modifications
are made.
INSTRUCTION MANUAL
S12228B