User Guide
SAFETY INSTRUCTION
This safety alert symbol will be used in this manual 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.
CAUTION: All work must be performed by qualified personnel trained in the
proper application, installation, and maintenance of systems in accordance
with all applicable codes and ordinances.
CAUTION: Over-tightening and breakage can occur with the use of Teflon
®
pipe joint compounds. Teflon
®
provides lubricity so that care must be
exercised not to over-tighten joints. Failure to follow these instructions
could result in property damage and /or personal injury.
WARNING: System fluids are under pressure or temperature can be
hazardous. Be sure the pressure has been reduced to zero and the
system temperature is below 100°F (38°C). Failure to follow these
instructions could result in property damage and/or personal injury.
The balancing valves, with built-in flow meter, must be installed by
qualified technical personnel in accordance with the instructions given in
this manual and with current regulations.
Clean the pipes of any debris, rust, welding slag and any other
contaminants.
As in all piping circuits it is important to pay attention to the cleanliness
of the entire system.
For optimal operation, any air in the water must be removed.
In order to ensure measuring accuracy, the balancing valves with flow
meter must be installed by keeping a straight section above them at least
as long as five diameters, increased to at least ten diameters if the nearest
device upstream is a pump.
Caleffi shall not be liable for damages resulting from stress corrosion, misapplication or misuse of it products.
Installation
132 series
5D
132 series
Pump
10D
The valves must be installed so that:
- the direction of the flow agrees with that of the arrow on the
valve body.
- there is easy access to the flow meter valve, control stem and dial
with the calibration adjustment range.
The valves can be fitted on either vertical or horizontal pipes.
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