Powerex Medical Packing System MPQ User Manual download pdf (Page 9)

Oilless Reciprocating Air Compressor Pumps

4. Clearance must allow for safe, effec-

tive inspection and maintenance.

5. If necessary, use metal shims or level-

ing pads to level the compressor.

Never use wood to shim the

compressor.

VENTILATION

1. If the oilless compressor is located in

a totally enclosed room, an exhaust

fan with access to outside air must be

installed.

2. Never restrict the cooling fan exhaust

air.

3. Never locate the compressor where hot

exhaust air from other heat generating

units may be pulled into the unit.

WIRING

Refer to the general safety guidelines

manual. All electrical hook-ups must be

performed by a qualified electrician.

Installations must be in accordance

with local and national electrical codes.

Use solderless terminals to connect the

electric power source.

PIPING

Refer to the general safety guidelines

manual.

1. Make sure the piping is lined up

without being strained or twisted

when assembling the piping for the

compressor.

2. Appropriate expansion loops or

bends should be installed at the com-

pressor to avoid stresses caused by

changes in hot and cold conditions.

3. Piping supports should be anchored

separately from the compressor to

reduce noise and vibration.

4. Never use any piping smaller than

the compressor connection.

5. Use flexible hose to connect the out-

let of the compressor to the piping so

that the vibration of the compressor

does not transfer to the piping. Make

sure the flexible hose is rated for

proper pressure and temperature

before installing.

SAFETY VALVES

Tank mounted compressors are shipped

from the factory with safety valves

installed in the tank manifold. The flow

capacity of the safety valve is equal to

or greater than the capacity of the

compressor.

1. The pressure setting of the safety

valve must be no higher than the

maximum working pressure of the

tank.

2. Safety valves should be placed ahead

of any possible blockage point in the

system, i.e. shutoff valve.

3. Avoid connecting the safety valve

with any tubing or piping.

4. Manually operate the safety valve

every six months to avoid sticking or

freezing.

HOURMETER

The hourmeter on the oilless compres-

sor indicates the actual number of

hours the unit has been in operation.

The hourmeter is also used to deter-

mine maintenance and service timing.

An hourmeter must be installed

with every oilless compressor.

CONDENSATE DRAIN VALVE

A condensate drain valve must be

installed on any tank to allow removal

of the liquid which will collect during

compressor operation.

Drain liquid from

tank daily.

Operation

Powerex oilless single stage compres-

sors operate at a maximum pressure of

125 PSIG. Two stage compressors oper-

ate at a maximum of 145 PSIG and are

equipped for continuous run operation.

Compressor RPM’s are established by

Powerex based on horsepower and

operating pressure.

NOTICE

BEFORE START UP

1. Make sure all safety warnings, labels

and instructions have been read and

understood before continuing.

2. Remove any shipping materials,

brackets, etc.

3. Confirm that the electric power

source and ground have been firmly

connected.

4. Be sure all pressure connections are

tight.

5. Check to be certain all safety relief

valves, etc., are correctly installed.

6. Check that all fuses, circuit breakers,

etc., are the proper size.

7. Make sure the inlet filter is properly

installed.

8. Confirm that the drain valve is closed.

9. Visually check the rotation of the

compressor pump. If the rotation is

incorrect, have a qualified electrician

correct the motor wiring.

START-UP AND OPERATION

1. Follow all the procedures under

“Before start-up” before attempting

operation of the compressor.

2. Switch the electric source breaker on.

3. Open the tank discharge valve com-

pletely.

4. Check that the compressor operates

without excessive vibration, unusual

noises or leaks.

5. Close the discharge valve completely.

6. Check the discharge pressure. Also

make sure the air pressure rises to the

designated pressure setting by check-

ing the discharge pressure gauge.

7. Check the operation of the pressure

switch or the pilot valve for continu-

ous run units by opening the stop

valve and confirming the compressor

starts or reloads as pressure drops.

Switch the breaker OFF if the compres-

sor is not to be used for a long period

of time.

These units are

equipped with

head unloaders for continuous run

operation.

NOTICE

Minimum Clearances

Above 24”

Drive belt side 12”

Other sides 20”

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Powerex Medical Packing System MPQ User Manual Page 9

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