Parker PTM Series Manual de usuario

Parker Thermal Mass Dryer

PTM User Guide Rev D

Models PTM200 - PTM1000

Effective: September 2015

Supercedes: HY25-1890-M1/US June 2015

PTM200 - PTM1000 USER GUIDE

Page 2 - Rev D

Contents

1. Transport / Inspection 3

1.1 Environmental & Location Considerations 3

2. Dryer Installation 3

2.1 Plumbing the Air Lines 3

2.2 Electrical Connections 4

3. Controls 6

3.1 Controller 6

4. Start Up Procedures 8

4.1 When Operating Dryer 8

5. Routine Maintenance 9

6. Maintenance Schedule 10

6.1 Maintenance Procedures 10

7. List of Alarms / Warnings 11

8. Troubleshooting / Service 12

8.1 Refrigerant Charging Procedure 13

8.2 Torque Values 13

9. Technical Data 14

10. Spare Parts List 16

11. Recommended Filters 17

12. Associated Drawings 18

13. Exploded Views 27

14. Warranty 35

PTM200 - PTM1000 USER GUIDE

Page 3 - Rev D

1. Transport / Inspection

Before unpacking/uncrating your new dryer, inspect the carton/crate for damage. Note any

damage on the freight bill. File notice of concealed damage if:

(a) there are any dents in the cabinets

(b) there is any sign of oil on the skid or oor

(Upper right side – look for hole in packing)

File these claims with the carrier immediately!

Otherwise, proceed with unpacking/uncrating the unit.

1.1 Environmental & Location Considerations

Following these guidelines will help insure that your new dryer will provide safe and

reliable service.

• Unless supplied for special conditions, all PTM dryers must be located indoors in

an area with an ambient temperature between 41 - 100ºF (5-38ºC) and free from

explosive and corrosive fumes. Three (3) feet (92cm) of space must be allowed

between all open grills, walls, or other objects.

If the dryer is installed in a conned area, an exhaust system must be provided to

eliminate re-circulation of hot atmospheric air.

• With air cooled dryers, high ambient temperatures affect the outlet dewpoint

of the dryer. The unit must not operate in an ambient of over 115ºF (46ºC). If

ambient temperature conditions are over 100ºF (38ºC), water cooled dryers are

generally recommended.

• Unit must be installed indoors.

• Watercooled units - A water strainer should be installed in the water inlet circuit

to protect the heat exchanger from partial or complete blockage with a 16 - 20

mesh minimum, 20 - 40 mesh is a better choice.

• Watercooled units - The water media pH value should be maintained at 7.4 (not

less than 7.0 and no higher than 8.0) for proper heat exchanger life expectancy.

2. Dryer Installation

• NEVER work on unit under pressure

• NEVER work on unit when power is connected

• DO NOT over pressurize unit.

• DO NOT pass air through the unit until it has been stabilized (operating about

15-20 minutes)

2.1 Plumbing the Air Lines

The dryers are shipped ready to run. All connections are made to the outside

of the cabinet.

PTM200 - PTM1000 USER GUIDE

Page 4 - Rev D

• Air piping must be supported independently of the dryer.

• A properly sized Parker Airtek pre-lter must be installed ahead of the

dryer to maintain optimal performance and warranty validation. It should be

installed as close to the dryer as possible. Any piping between the pre-lter

and inlet of the dryer must be stainless steel, copper, galvanized, aluminum

or other non-corroding material.

• Direction of the air ow must be observed for proper installation.

• Install a bypass line and gate valves to permit isolation of the dryer from the

air system. This is done to provide easy service and/or removal of the dryer

without interruption of air to the system.

• Make the connection to the draining system, avoiding connection in a closed

circuit shared by other pressurized discharge lines. Check the correct ow

of condensate discharges. Dispose of all condensate in conformity with

current local environment regulations.

2.2 Electrical Connections

To be performed by a qualied person only. Risk of serious injury or death.

Observe Lock out/Tag Out Procedure: Disconnect, lock out and tag all power at

source prior to attempting repairs or adjustments to rotating machinery and prior

to handling any ungrounded conductors.

Provide breach and short circuit protection as well as disconnect means per

local and national codes.

Before connecting electrical power to the dryer check for correct voltage at

the connection box. Panel Removal: To remove front or side panels, remove

screws and lift panel up, then pull out the bottom.

All units must be externally grounded to protect against severe electrical shock.

1. Remove electric box cover from inside unit.

2. Locate the wires.

3. Locate hole on side of box, place and tighten connector, run wires

through connector.

4. Make sure no bare wire is exposed; replace box cover and screw closed.

5. Line input wiring connections are made to line side on compressor

contactor

6. Should the compressor not start, see start up procedure.

PTM200 - PTM1000 USER GUIDE

Page 5 - Rev D

Wire the dryer separately from the air compressor. The dryer must not cycle

with the air compressor.

Crankcase heaters are pre-wired from the factory to the line side of the

compressor contactor. When power is applied to the dryer, the heater will

energize. Heater must be energized for 8 hours prior to start–up and after

prolonged shut down. The power must be left on at all times except when

servicing.

PTM200 - PTM1000 USER GUIDE

Page 6 - Rev D

3. Controls

3.1 Controller

(1) Digital Controller and Display. The controller has two temperature sensors.

The thermal mass uid temperature, and dewpoint temperature. The default

setting for the controller display is the current dewpoint. When the SET button

is depressed, the unit displays the dryer dewpoint setting. The factory dewpoint

setting is 39°F. It is adjustable from 36°F to 50°F in 1°steps or 1°C to 10°C in

1/2°C steps. (°C) LED indicates the display is in Celsius. (°F) LED- indicates

the temperature display in Fahrenheit. Dewpoint LED – indicates dewpoint

temperature being measured by the system. SET POINT LED – INDICATES that

the display is in programming mode during which the set point can be changed

and stored. The dewpoint display also displays diagnostic alarms / shutdown

codes if they occur (See Diagnostic Codes).

(2) ON/OFF & RESET button. When LED is on, this indicates the unit is

operating. This button is also used to reset alarms.

(3) Up and Down Arrows. These are used to adjust the set point values.

The set point will change once for each time pressed. If the button is pressed

and held, the set point will change one step per second. These buttons are also

used to reset the maintenance “Sr” indicator when pressed simultaneously.

(4) Set Button. Toggles between Dewpoint Display, Set Point mode and drain

time mode (no LED). During the Set Point Display mode, you can use the up/

down arrows to Raise or Lower the dewpoint setting which is then stored in non-

volatile memory when the mode is set back to dewpoint. When the SET button

is depressed twice, it will display a number between 1 and 60 which represent

minutes between the drain solenoid energizing.

If no keys are pressed within 15 seconds, the mode automatically reverts back

to Dewpoint. This button is also used to select the temperature scale that the

unit will operate in by pressing and holding for 5 seconds. (The unit will toggle

between ºF and ºC)

PTM200 - PTM1000 USER GUIDE

Page 7 - Rev D

(5) When pressed, the display will show the thermal mass uid

temperature. When the uid temperature falls to 36˚F (1.5˚C), the refrigeration

compressor will cycle off.

(6) Power Saver LED. Illuminates when dryer has cycled off indicating you are

saving energy.

(7) Alarm LED. Indicates a problem with the dryer. The display will then

ash an alarm code indicating what caused the alarm. The alarm also has dry

contacts for remote annunciation.

(8) Drain Control. The control panel will operate on either a “Level sensor” or

“Timed” interval. Dryers 200 to 325 SCFM have a timed drain with a factory

setting of 5 minutes, 400 SCFM and larger are equipped with a Level sensor,

and will respond to the sensor signal on demand to operate the drain. The

drain valve will also operate automatically every 30 minutes (independent to

the sensor signal) if the board has not received a signal from the sensor within

that time (back-up drain). The timed interval setting can be adjusted down to

1 minute or raised up to 60 minutes as desired. To adjust the drain. “Timed

Interval” setting press the SET Button twice. The value displayed will be the

timed Interval setting in minutes. Use the UP or DOWN Arrow to change the set

point. Press the set button again to set/exit and return to dewpoint display.

(9) Drain Open LED. Indicates that the drain valve is open.

(10) Drain Alarm LED. Indicates the drain valve is not draining. Upon alarm-

ing, the controller will pulse re the drain solenoid in an attempt to unplug itself.

After 5 minutes the valve will open on a 5 minute back-up drain interval and the

display will ash “dr” until it is reset.

(11) Drain test button. This button also resets the Drain alarm.

PTM200 - PTM1000 USER GUIDE

Page 8 - Rev D

4. Start Up Procedures

There should be NO air ow through the dryer before or during start-up. It is recom-

mended that the dryer be installed with bypass piping to better service the unit. Inlet &

outlet valves to the dryer should be closed with the by-pass valve open.

1. After electrical connection (Section 2), apply power.

2. Leave power on for 8 hours before attempting to start. This allows the crank

case heater time to warm the refrigerant compressor oil and dissipate any refriger-

ant migration that can occur during storage.

3. Verify suction pressure gauge reads above 80 psi (bar). If it is less, the dryer has

a refrigerant leak, (see “A3” in trouble shooting section). This may be the result of

shipping damage – see section 1.0.

4. Switch unit on. ON/Off indicator will light green when unit is running.

Do not pass air through the dryer until it stabilizes and cycles off (Typically 15-25

minutes).

5. Once the dryer cycles off, you can now introduce compressed air to the dryer.

6. SLOWLY pressurize the dryer. Once completed slowly open the outlet valve, then

close the bypass valve. The dryer is now on line.

7. Clean the condensate drain Y-Strainer after the rst 8 hours of operation.

(See section 5.0 Routine Maintenance)

8. Restart dryer using this procedure after maintenance, power outage or prolonged

periods of shutdown.

4.1 When Operating Dryer

1. Turn dryer On and Off at control panel only.

2. Keep power to unit at all times except when servicing.

3. Start dryer prior to allowing air ow through unit.

4. Clean condenser when necessary.

5. Maintain ambient temperature between 41-100ºF (5-38ºC)

6. Keep inlet temperature under 101ºF (38ºC)

7. Check and clean Y-strainer regularly.

8. NEVER allow dryer to cycle ON/OFF with air compressor.

PTM200 - PTM1000 USER GUIDE

Page 9 - Rev D

5. Routine Maintenance

The air cooled condenser must be kept clean. Inspect on a regular basis for dirt or

debris that might accumulate. Remove any debris immediately.

The Y-strainer should be checked weekly.

PTM200 - PTM1000 USER GUIDE

Page 10 - Rev D

6. Maintenance Schedule

The maintenance chart below indicates the components that should be checked while

performing routine maintenance on the dryer. The chart also indicates how often a spe-

cic check should be performed.

6.1 Maintenance Procedures

Before performing any maintenance on the machine ensure that air pressure is

vented from the system. Also make sure that personnel performing the mainte-

nance have read the maintenance section of the manual.

Some of the maintenance tasks will require the refrigeration system to run, but

when not required, turn the unit off before proceeding. Refer to lock-out/tag-out

procedures.

Upon completion of the maintenance tasks be sure that the machine has been

properly reassembled prior to restarting and reintroducing air.

Description of Service Required Service recommended every:

Component Operation Day Week Month Year

Dryer Check control panel indicators

Dryer Visually inspect dryer

Dryer Drain line Y Strainer

Dryer Clean condensing coil ns

(air cooled units only)

Dryer Cooling water Y Strainer (watercooled

units only)

Dryer Compressor oil level sight

glass (200 to 1000 SCFM)

Filtration Depressurized dryer.

Replace pre and after lter elements

Dryer Check for refrigerant leaks

Dryer Depressurized dryer.

Complete drain maintenance

Filtration Replace pre-lter element

Dryer SR indicator

Check Replace

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