Powerex Medical Packing System MPQ User Manual download pdf (Page 3)

Medical Package System

compressor 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

outlet of the compressor to the

piping so that the vibration of the

compressor does not transfer to the

piping.

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.

Assembling Modular

Medical System

MODULAR PLACEMENT

1. Unpack each module and discard all

wood shipping materials.

2. Locate frame assembly fasteners

provided in parts pack [includes:

fasteners, filter(s), isolation pads and

inlet flex line].

3. Place modules at location designated

(see picture below for proper

arrangment of modules). Provide

sufficient clearance around unit for

servicing (see minimum clearance

section).

4. Install frame assembly fasteners to

each frame joining the frames

together.

5. Lift corners of each frame assembly

and install isolation pads provided.

NOTE: Remove shipping brackets

painted orange located at the base

plate of each compressor module.

This will allow spring isolators to free

up reducing noise and vibration of

the unit.

CONNECTING PIPING

1. Locate connection for piping at rear

of unit for compressors module to

receiver tank module.

2. Remove plastic caps that protect

piping against contamination.

3. Connect flex joint to frame securely

making sure flex line is not pinched

or chinked.

4. Follow steps 1 to 3 for flex line from

dryer package to outlet of receiver

tank.

NOTE: All piping is provided and

sealed for this portion of installation.

5. Locate and attach intake inline air

filter to outside source air or header.

Flex line is provided when attaching

intake of compressors to rigid piping.

6. Connect outlet souce from filter

package located on dryer module to

outlet source piping.

Attach all inlet and

outlet source

piping in accordance with NFPA 99 for

Medical Gas.

ELECTRICAL WIRING OF MODULES

Provide electrical

power in accor-

dance to NEC and local codes. Connec-

tion of wiring should be performed by

a qualified electrician.

1. Connect wiring and flex conduit

provided from each motor junction

box to correct hole in bottom of

control panel and starter.

2. Connect each temperature switch

from the compressors to contacts

located in control panel as marked

for each temperature switch.

Temperature switches shutdown the

CAUTION

WARNING

CAL. PORT

ZERO CAL.

ALARM

SET

ADJ.

PANADRY

DEW/FROST POINT

PPM

AUTO CAL

CAUTION

ALARM

SAFE

FLOW

compressor when temperature is

above 400°F.

3. Connect wiring of unload solenoids

to contacts located on control panel.

The unload solenoid provides loadless

starting of the compressors on off

cycle.

4. Connect wiring from differential

pressure switch at control panel.

Differential switch wired to contacts

in control panel provided for remote

alarm.

5. Connect wiring from CO Monitor. A

wire set is provided for power and

the other for alarm. Wiring is

marked for easy attachment.

6. Connect wiring from Dew Point

Monitor. A wire set is provided for

power and the other for alarm.

Wiring is marked for easy

attachment.

7. Dryer(s) need a separate properly

protected power supply for each

dryer. Standard voltage is 110 Volts.

Other voltages are available. Check

for voltage of dryer supplied and

current rating provided on data plate

of dryer.

NOTE: Units provided with desiccant

drying systems are wired directly to

the control panel provided.

For questions concerning assembling

and start-up, contact Powerex at 1-800-

544-0350 for technical assistance.

Operation

Powerex package medical system

operates at a maximum pressure of 100

PSIG. Compressor RPM’s are established

by Powerex based on horsepower and

operating pressure.

MPD Medical

Package System

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Powerex Medical Packing System MPQ User Manual Page 3

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