Puregas P6500W User Manual
P6500W Air Dryer
User’s Guide
P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
1. Welcome & Congratulations
Congratulations on your purchase of a new PUREGAS P6500W Air Dryer! We here at
PUREGAS are very proud of our products and we are committed to providing you with
the best value and service possible.
We are sure that you will be satisfied with your new air dryer and would like to thank you
for choosing PUREGAS for your air dryer requirements. We also hope that you will
continue to choose us for your future air pressure and related product purchases.
For information about this and other PUREGAS products, please visit us on the web at:
www.puregas.com
2. Introduction
PLEASE READ THIS USER’S GUIDE THOROUGHLY AND SAVE FOR
FUTURE REFERENCE.
This User’s Guide is provided for the benefit of our customers and contains information
and direction specific to the PUREGAS P6500W Air Dryer. It will cover topics
including: safety, specifications, installation, registration, operation, testing, maintenance,
replacement parts, service, and troubleshooting issues. Observation and compliance with
this User’s Guide will ensure the maximum life and efficiency of your air dryer.
This User’s Guide should be read thoroughly prior to installing, operating, or servicing
the air dryer in order to become familiar with the recommended procedures. This will
minimize the possibility of personal injury or damage to the unit due to improper
operation or handling.
Page 3 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
3. Table of Contents
8.13 Setting the Outlet Pressure ...................... 40
1. Welcome & Congratulations .......................... 3
8.14 Engaging the Boost Transformer ............ 41
2. Introduction ..................................................... 3
3. Table of Contents ............................................. 4
4. Safety & Warning Information ...................... 6
5. Overview & Specifications .............................. 8
5.1 Product Description .................................... 8
5.2 Key Features ............................................... 9
5.3 Technical Specifications ............................. 9
5.4 Dryer Function Overview ......................... 10
6. Installing Your Dryer .................................... 11
6.1 Safety & Warning Information ................. 11
6.2 Before You Begin ..................................... 12
6.3 Included Contents ..................................... 13
6.4 Required Tools and Materials ................... 13
6.5 Installation Steps ....................................... 13
6.6 Installation Checklist ................................ 23
9. Testing Your Dryer ....................................... 44
9.1 Safety & Warning Information ................. 44
9.2 Measuring Compressor Amp Draw .......... 45
9.3 Measuring Voltage to Compressor ........... 46
9.4 Measuring Incoming Voltage ................... 47
9.5 Measuring Voltages at Solid State Relay .. 48
9.6 Testing Consistent Heatless Dryer
Cycling............................................................ 49
9.7 Testing Unloader Valve ............................ 50
9.8 Measuring Heatless Dryer Solenoid
Voltage............................................................ 51
9.9 Testing Precooler Fans .............................. 52
9.10 Testing Safety Relief Valve .................... 52
9.11 Testing Compressor ON/OFF Cycling ... 53
9.12 Testing Compressor Excessive Run
Time Alarms ................................................... 54
9.13 Testing Humidity Alarm and System
Shutdown ........................................................ 55
7. Registering Your Dryer ................................ 24
8. Operating Your Dryer .................................. 25
8.1 Safety & Warning Information ................. 25
8.2 Connecting Air Lines to the Dryer ........... 26
8.3 Powering the Dryer ON & OFF ................ 26
8.4 Using the Front Panel Display .................. 27
8.5 Identifying Dryer Alarms ......................... 30
8.6 Adjusting & Resetting Dryer Set Points ... 32
8.7 Opening Panels ......................................... 37
8.8 Connecting to Common Alarm Terminals 37
8.9 Connecting to Discrete Alarm Terminals . 38
8.10 Depressurizing the Dryer ........................ 38
8.11 Setting the System Pressure .................... 39
8.12 Setting the Static Pressure ...................... 40
9.14 Testing High Outlet Pressure Alarm ....... 57
9.15 Testing Low Outlet Pressure Alarm ....... 58
9.16 Testing Air Fittings & Hoses for Leaks .. 60
10. Maintaining Your Dryer ............................. 61
10.1 Safety & Warning Information ............... 61
10.2 Six Month Maintenance .......................... 63
10.3 8,000 & 16,000 Hour Maintenance ......... 64
11. Replacement Parts & Accessories .............. 65
11.1 Top Section Parts .................................... 65
11.2 Middle Section Parts ............................... 66
11.3 Heatless Dryer Assembly Parts ............... 67
11.4 Lower Section Parts ................................ 68
11.5 Frame Section Parts ................................ 69
11.6 Accessories for Your Dryer .................... 70
Page 4 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
11.7 Ordering Parts from PUREGAS ............. 71
12. Service & Repair .......................................... 72
12.1 Services Offered ..................................... 72
12.2 Initiating a Service Transaction .............. 72
13. Troubleshooting Your Dryer ...................... 73
13.1 Before You Call PUREGAS ................... 73
13.2 Safety & Warning Information ............... 73
13.3 Air Dryer Won’t Power ON ................... 75
13.4 Display Screen Not Functioning ............. 75
13.5 High Outlet Pressure Alarm .................... 75
13.6 Can’t Create a High Pressure Alarm ....... 76
13.7 Low Outlet Pressure Alarm .................... 76
13.8 Can’t Create a Low Pressure Alarm ....... 77
13.9 High Flow Rate Alarm............................ 77
13.10 High Cabinet Temperature Alarm ........ 77
13.11 High Humidity ...................................... 78
13.12 Can’t Create a High Humidity Alarm /
Shutdown ........................................................ 79
13.13 Compressor Doesn’t Operate ................ 79
13.17 Compressor Excessive Run Time
Alarm .............................................................. 81
13.18 Can’t Create a Compressor Excessive
Run Time Alarm ............................................. 82
13.19 Compressor Rapid ON/OFF Cycling .... 82
13.20 Inconsistent Heatless Dryer Cycling ..... 82
13.21 Contacting PUREGAS Technical
Support............................................................ 83
14. Appendix ...................................................... 84
14.1 Wiring Diagram ...................................... 84
14.2 Set Point Limits and Defaults ................. 85
15. Limited Warranty Agreement .................... 86
Registration Reminder .................................... 86
16. Contacting PUREGAS ................................ 87
16.1 General .................................................... 87
16.2 Sales ........................................................ 87
16.3 Service .................................................... 87
16.4 Technical Support ................................... 87
13.14 Compressor Won’t Build Pressure ....... 80
13.15 Compressor Excessive AMP Draw ....... 80
13.16 High Compressor Temperature ............. 81
17. Notes.............................................................. 88
Page 5 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
4. Safety & Warning Information
This section contains general information about safety and warning points to consider and
adhere to during installation, operation, and maintenance of your air dryer. PLEASE
READ THIS SECTION BEFORE PERFORMING ANY OPERATION OR
PROCEDURE ON YOUR AIR DRYER.
Additional warnings specific to an operation or procedure will also be presented
throughout the following sections. These will include the
“WARNING!
attention for these warnings and read them as you encounter them.
”, “CAUTION!”, or “IMPORTANT!”. Please be sure to pay close
WARNING!
For your safety, all the information in this User’s Guide must be
followed to minimize the risk of electrical shock, and prevent
property damage or personal injury.
WARNING!
Extreme care should be exercised to avoid contact with live
electrical circuits. Many procedures performed during installation,
operation, testing, and maintenance of this air dryer require the
equipment to be running, creating a situation for potential electrical
shock. It is highly recommended that you remove all jewelry before
performing any procedures.
symbol as well as a label of
Page 6 of 88 P010452 – Rev. Q
WARNING!
Internal surfaces may be hot. Use care when coming into contact
with internal components as there is a potential for some of these
components to become hot when in operation or standby.
PUREGAS, LLC P6500W Air Dryer User’s Guide
y
WARNING!
High Noise. PUREGAS air dryers are meant to be installed in an
unattended area.
CAUTION!
Proper Installation & Maintenance as outlined in this User’s Guide is
extremely important to ensure the reliability and longevity of the
equipment as well as prevent damage or personal injury.
CAUTION!
Depressurizing the air dryer may be necessary before performing
certain procedures. NEVER remove pressure sensing tubes from the
Control Board without depressurizing the air dryer first, or damage to
the Control Board will occur.
CAUTION!
Incoming power to dryer must be 190 - 230 VAC, 1 Phase, 50 / 60 Hz
with minimum 20 amp service (3-wire, nub-out receptacle) with a 20 amp
circuit breaker or slow blow fuse. If hard-wiring directly, minimum of 12
AWG wire must be used.
IMPORTANT!
Performing routine maintenance as outlined in the Maintaining Your
Dryer section will ensure optimal performance over the lifecycle of
our air dryer.
IMPORTANT!
Performing procedures not described in this User’s Guide or installing
components not supplied by PUREGAS is NOT RECOMMENDED
AND MAY VOID THE WARRANTY.
Page 7 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
CAUTION!
This Air Dryer does not contain an internal Surge Protection Device
(SPD). If an SPD is required it must be supplied by the user.
CAUTION!
Observe precautions for handling Electrostatic Sensitive Devices.
IMPORTANT!
Installation of PUREGAS air dryers are intended for network
telecommunication facilities (non-customer premises) only.
5. Overview & Specifications
5.1 Product Description
The P6500W Air Dryer from PUREGAS is designed to intake wet ambient air and
remove the moisture for delivery to applications requiring a constant, on-demand
source of dry, pressurized air. This process is fully automatic and will remain
consistent with minimal required periodic maintenance. This dryer is designed
specifically for indoor use.
The P6500W Air Dryer employs dual redundant systems that can be run
independently, interchangeably, or simultaneously depending on your pressurized air
requirement. Other features of the P6500W Air Dryer include a fully digital
operating platform offering the most accurate readings of dryer variables, removable
access panels allowing easier access for adjustment and maintenance, and ultra quiet
compressors with an industry leading maintenance interval of 8,000 hours.
Page 8 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
5.2 Key Features
LCD display of all operating parameters
Accurate humidity sensing within 0.1% RH
Redundant system for internal backup from one system to the other
Quietest dryer on the market
Removable compressor tray for easy maintenance
Oil-less compressors with 8,000 hour maintenance interval
5.3 Technical Specifications
Output Capacity
Power Requirements
Electrical Characteristics
Outlet Pressure Range
Outlet Air Humidity
Compressor Type
Drying Method
Operating Temperature
Range
Noise Level
Heat Dissipation
Alarms
Outlet Connections
Dimensions
Net / Shipping Weight
Normal:
6,500 SCFD both systems, 3,250 SCFD single system
Maximum:
8,000 SCFD both systems, 4,000 SCFD single system
190 -230 VAC, 1 Phase, 50 / 60 Hz
Running Amps: 15 (20 Amp service recommended)
0 – 15 PSI (adjustable)
Less than 2% RH
2-cylinder, 3/4 HP, oil-less type compressor
Heat-less Desiccant
40 to 85 F (5 to 30 C) Optimal
78.8 dBA
9,200 BTU/hr
Standard alarms – complete readings of all critical
measurement points, individual alarm indication display
Pressure Outlet: 1/2” NPT Female
21” D x 25.25” W x 49” H
(53.3 cm x 64.1 cm x 124.5 cm)
265 lbs (120 kgs) / 318 lbs (144 kgs)
Page 9 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
5.4 Dryer Function Overview
# Component Description
1 Compressor Compresses drawn in ambient air.
2 Precooler Cools compressed air prior to drying function.
3 Unloader Valve Relieves excess compressor head pressure.
4 Heatless Dryer Removes moisture from compressed air.
5 Humitter Measures the humidity of the compressed air.
6 Capacity Control Valve Regulates system pressure and prevents air from
bleeding back through the heatless dryer.
7 Air Tank Stores dry compressed air.
8 Static Pressure Regulator Regulates the static pressure (17 PSI).
Maintains constant pressure on the flow block for
accurate flow measuring.
9 Flow Block Measures the flow of compressed air.
10 Outlet Pressure Regulator Regulates the outlet pressure.
11 Pressure Outlet Outputs the pressure set by the Outlet Pressure
Regulator.
Page 10 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6. Installing Your Dryer
6.1 Safety & Warning Information
WARNING!
Internal surfaces may be hot. Use care when coming into contact
with internal components as there is a potential for some of these
components to become hot when in operation or standby.
WARNING!
Extreme care should be exercised to avoid contact with live
electrical circuits. Many procedures performed during
installation, operation, testing, and maintenance of this air dryer
require the equipment to be running, creating a situation for
potential electrical shock. It is highly recommended that you
remove all jewelry before performing any procedures.
WARNING!
High Noise. Puregas air dryers are meant to be installed in an
unattended area.
CAUTION!
Proper Installation & Maintenance as outlined in this User’s Guide
is extremely important to ensure the reliability and longevity of the
equipment as well as prevent damage or personal injury.
CAUTION!
This Air Dryer does not contain an internal Surge Protection
Device (SPD). If an SPD is required it must be supplied by the
user.
Page 11 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
IMPORTANT!
Performing procedures not described in this User’s Guide or
installing components not supplied by PUREGAS is NOT
RECOMMENDED AND MAY VOID THE WARRANTY.
IMPORTANT!
Installation of PUREGAS air dryers are intended for network
telecommunication facilities (non-customer premises) only.
6.2 Before You Begin
6.2.1 Carefully inspect the unit, including the shipping box as well as the air
dryer, for ANY DAMAGE CAUSED BY SHIPPING. If any shipping
damage is detected, it is important to file a claim with the shipping
company prior to continuing the installation procedures.
6.2.2 Read the entire Installing Your Dryer section to familiarize yourself with
the components and procedures before performing the air dryer installation.
6.2.3 Verify the installation location of the air dryer:
6.2.3.1 Well ventilated and free from abrasive dust or chemicals.
6.2.3.2 Ambient temperature is between 40° and 85° F (optimal).
NOTE: Higher temperatures will decrease component lifespan.
6.2.3.3 Meets the following power requirements:
190 -230 VAC, 1 P
Minimum 20 amp service circuit breaker or slow blow fuse
Outlet compatible with a HBL9965C plug
hase, 50 / 60 Hz
If hard-wiring directly, minimum of 12 AWG wire must be used
6.2.4 Notify the alarm center of the installation and potential for alarms during
the process (as necessary).
Page 12 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.3 Included Contents
(1) P6500W Air Dryer
(1) Installation Guide (not shown)
Package located inside the dryer:
(1) User’s Guide (not
shown)
(2) Purge Mufflers
6.4 Required Tools and Materials
Large adjustable wrench
Medium adjustable wrench
7/16” wrench
Band cutters or snips
6.5 Installation Steps
6.5.1 Remove all shipping materials.
NOTE: If ANY SHIPPING
DAMAGE is detected, file a
claim with the shipping
company prior to continuing
the installation procedures.
Pipe dope or pipe thread tape
Cup of soapy water
1-inch paint brush
(recommended)
6.5.2 Place the dryer at the
operating location.
Page 13 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.5.3 Remove the front panel.
6.5.4 Check for loose parts, hoses,
or wiring.
NOTE: If ANY SHIPPING
DAMAGE is detected, file a
claim with the shipping
company prior to continuing
the installation procedures.
6.5.5 Remove the shipping block
from under the compressor
plates.
Discard block and bolts.
6.5.6 Remove the ship-loose
contents package.
Page 14 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
On BACK of dryer:
6.5.7 Verify that the red orifice
plug is still installed where
shown.
6.5.8 Install the two (2) purge
mufflers (shipped loose).
6.5.9 Verify that the dryer is
powered OFF.
6.5.10 Plug the power cord into a
190 - 230 VAC, 1 phase,
50 / 60 Hz power outlet.
(HBL9965C Compatible)
6.5.11 Remove the Top Cover
from the dryer.
Page 15 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.5.12 Verify incoming voltage measurement:
6.5.12.1 Locate the Main
POWER Circuit
Breaker.
6.5.12.2 Use a Voltmeter to
measure the voltage by
placing the probes
between the Circuit
Breaker and terminal
insulation so that they
touch the metal contacts.
If the voltage measures between 210 – 230 VAC, skip to step 6.5.14 .
If the voltage measures less than 210 VAC, continue to the next steps to
engage the Boost Transformer.
6.5.13 Engage the Boost Transformer:
6.5.13.1 Unplug the power
cord from the power
outlet.
Page 16 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.5.13.2 Locate the Main
Power Lead quick
disconnects in the top
section of the dryer.
6.5.13.3 Unplug the Main
Power Lead quick
disconnects.
6.5.13.4 Plug both of the
Boost Transformer Lead
connectors into the Main
Power Lead connectors.
The incoming power
wiring should now look
like this:
Page 17 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.5.13.5 Plug the power cord
back into the power
outlet.
6.5.14 Reinstall the Top Cover back onto the dryer.
6.5.15 Turn the dryer power ON.
NOTE: Both system
compressors and heatless
dryers will start, creating air
flow through the red outlet
pressure orifice.
6.5.16 Set the System Pressures:
System 1 & System 2 are adjusted and set independently.
Perform the following steps for System 1 (left) and then repeat the steps for
System 2 (right).
With Compressor running:
6.5.16.1 Pull the Capacity
Control Valve knob out.
Page 18 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.5.16.2 Turn the knob until
the reading on the
pressure gauge is 50
PSI.
6.5.16.3 Push the knob in to
lock.
6.5.17 Let the dryer run until the
Humidity drops under 2% on
both System 1 and System 2
(may take up to 15 minutes).
NOTE: Press RESET if
either System goes into
SHUTDOWN.
6.5.18 Turn the dryer OFF.
Page 19 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.5.19 Connect the air supply line
to the dryer.
CAUTION: Be careful when
removing outlet plug. System may
be pressurized.
PUREGAS recommends using Installation Kit P011752 to connect your dryer to
the air supply line (See section 11.6 for detail).
6.5.20 Turn the dryer ON.
6.5.21 Set the Static Pressure:
6.5.21.1 Pull Static Pressure
Regulator knob out.
6.5.21.2 Turn knob until the
reading on the pressure
gauge is 17 PSI.
6.5.21.3 Push knob in to lock.
Page 20 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.5.22 Set the Outlet Pressure:
6.5.22.1 When the Unit
Screen (8.4.5.1 )
appears on the display,
press the HOLD Button
on the Front Panel to
freeze that screen.
6.5.22.2 Pull the Outlet
Pressure Regulator knob
out.
6.5.22.3 Turn knob until
Outlet Pressure (OUTP)
reading is at the desired
setting.
6.5.22.4 Push knob in to lock.
6.5.23 Check for air leaks:
NOTE: This is a general procedure that can be applied to any fitting or hose
that has air pressure in it. DO NOT SOAP TEST THE HUMITTER
FITTING. DAMAGE TO THE HUMITTER MAY OCCUR.
With Compressor(s) NOT running:
6.5.23.1 Listen for any ‘hissing’ sounds which may indicate a fitting or hose
air leak.
Page 21 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
With Compressor(s) running:
6.5.23.2 Use a 1-inch paint
brush to dab soapy water
on the air fitting or hose
connection to be tested.
If air bubbles appear at the
connection, this indicates that
air is leaking from the
connection.
If any leaks are detected, take steps to seal them off (as necessary):
Tighten the fitting
Re-connect the hose end
Replace the fitting / hose / component
6.5.24 Re-install the front panel.
6.5.25 REGISTER YOUR DRYER. See section 7. for details.
Page 22 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
6.6 Installation Checklist
No shipping damage was detected.
Dryer location meets the following requirements:
o Well ventilated
o Free from abrasive dust or chemicals
o Ambient temperature is between 40° and 85° F (optimal)
Operating Power is between 210 – 230 VAC.
Shipping block removed from compressor trays.
System Pressures are set to 50 PSI.
Static Pressure is set to 17 PSI.
No air leaks are present in the system.
No alarms are present on the Display Panel.
Page 23 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
7. Registering Your Dryer
Please take a moment to register your PUREGAS P6500W Air Dryer. Registering is
necessary to activate the Limited Warranty on your product. Once you register, you
are eligible to receive free technical support, as well as updates concerning your
PUREGAS products.
Register Online at www.puregas.com/registration
Or by Phone 1-800-521-5351 (option 2)
Have the following information available:
Model #: P6500W Serial #:
Company Name: Location Name:
Shipping Address:
City: State: Zip Code:
Contact Name: Phone #: ( ) - ext.
Email:
Page 24 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
8. Operating Your Dryer
8.1 Safety & Warning Information
WARNING!
Extreme care should be exercised to avoid contact with live
electrical circuits. Many procedures performed during
installation, operation, testing, and maintenance of this air dryer
require the equipment to be running, creating a situation for
potential electrical shock. It is highly recommended that you
remove all jewelry before performing any procedures.
WARNING!
Internal surfaces may be hot. Use care when coming into contact
with internal components as there is a potential for some of these
components to become hot when in operation or standby.
WARNING!
High Noise. Puregas air dryers are meant to be installed in an
unattended area.
CAUTION!
Observe precautions for handling Electrostatic Sensitive Devices.
IMPORTANT!
Performing procedures not described in this User’s Guide or
installing components not supplied by PUREGAS is NOT
RECOMMENDED AND MAY VOID THE WARRANTY.
Page 25 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
8.2 Connecting Air Lines to the Dryer
8.2.1 Connect the air supply line to
the dryer Outlet Pressure port
(adjustable between 0-15 PSI)
CAUTION: Be careful when
removing outlet plugs. System
may be pressurized.
PUREGAS recommends using Installation Kit P011752 to connect your air dryer
to the air supply line (See section 11.6 for detail).
8.3 Powering the Dryer ON & OFF
8.3.1 POWER Circuit Breaker Controls the main power to
the dryer. This must be in the
ON position for either
System 1 or System 2 to be
powered ON.
8.3.2 SYSTEM 1 Circuit Breaker - Turns System 1 ON/OFF.
8.3.3 SYSTEM 2 Circuit Breaker - Turns System 2 ON/OFF.
Page 26 of 88 P010452 – Rev. Q
PUREGAS, LLC P6500W Air Dryer User’s Guide
8.4 Using the Front Panel Display
8.4.1 RESET Button – Clears an alarm and allows the system to continue
CAUTION!
The Display Screen is covered by a clear protective layer that
guards against Electrostatic Discharge (ESD). DO NOT REMOVE
THIS LAYER.
operating.
8.4.2 MODE Button – Changes the System Cycle Mode:
24 HOUR CYCLE – Cycles between System 1 & System 2 every
24 hours (when the CYCLE TIME on the Unit Screen reaches 00:00).
One system will be Online (ON) and the other in STANDBY.
BOTH – Runs both System 1 and System 2 simultaneously.
SYSTEM 1 ONLY – Runs only System 1 and leaves System 2 in
Standby.
SYSTEM 2 ONLY - Runs only System 2 and leaves System 1 in
Standby.
8.4.3 HOLD Button – Freezes the current information screen on the display.
When pressed again, it will allow the information screens to begin cycling
again.
Page 27 of 88 P010452 – Rev. Q
Loading...