Gast 87R Manuale utente
®
Registered Trademark/™ Trademark of Gast Manufacturing Inc. ©Copyright 2020 Gast Manufacturing Inc. All Rights Reserved.
www.gastmfg.com
ISO 9001 CERTIFIED
A UNIT OF IDEX CORPORATION
Part No. 70-6856 (Rev A)
Operation and Maintenance Manual
87R Riser-Mount Dry Pipe
Sprinkler Compressor
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
Dear Customer:
Thank you for purchasing this Gast product. It is manufactured to the highest standards using quality
materials. Please follow all recommended maintenance, operational, and safety instructions and you will
receive years of trouble free service.
TABLE OF CONTENTS
Product Use and Safety.................................................................................3
Installation .............................................................................................3
Mounting/Plumbing ..............................................................................3 and 4
Motor Control ..........................................................................................4
Operation ..............................................................................................4
Pressure Switch ........................................................................................5
Maintenance ...........................................................................................5
Accessories - Intake Filter ..............................................................................6
Technical Data / Part Numbering ........................................................................7
Exploded View..........................................................................................8
Pneumatic Schematic ..................................................................................9
Electrical Schematic...................................................................................10
Troubleshooting Chart ..................................................................................11
Warranty..............................................................................................12
WARNING
PLEASE READ THIS MANUAL COMPLETELY BEFORE INSTALLING AND USING THIS PRODUCT.
SAVE THIS MANUAL FOR FUTURE REFERENCE AND KEEP IN THE VICINITY OF THE PRODUCT.
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
PRODUCT USE CRITERIA, AND PURPOSE
• Pump only clean, dry air.
• Operate at 39°F to 104°F (4°C to 40°C).
• Protect unit from dirt and moisture.
• Do not pump flammable or explosive gases or use in an
atmosphere that contains such gases.
• Protect all surrounding items from exhaust air. This exhaust
air can become very hot.
• Corrosive gases and particulate material will damage unit.
Water vapor, oil-based contaminants, or other liquids must
be filtered out.
• Consult your Gast Distributor/Representative before using at
high altitudes.
• This pump is oil-less and requires NO lubrication.
Your safety and the safety of others is extremely important.
We have provided many important safety messages in this
manual and on your product. Always read and obey safety
messages.
This is the safety alert symbol. This symbol alerts
you to hazards that can kill or hurt you and others.
The safety alert symbol and the words “DANGER”
and “WARNING” will preceed all safety messages.
These words mean:
mDANGER
You will be killed or seriously injured if you don’t follow in-
structions.
mWARNING
You can be killed or seriously injured if you don’t follow
instructions.
All safety messages will identify the hazard, tell you how to
reduce the chance of injury, and tell you what can happen if
the safety instructions are not followed.
INSTALLATION
WARNING
Electrical Shock Hazard
Disconnect electrical power at the circuit breaker or fuse
box before installing this product.
Install this product where it will not come into contact with
water or other liquids.
Install this product where it will be weather protected.
Electrically ground this product.
Failure to follow these instructions can result in death, fire,
or electrical shock.
Correct installation is your responsibility. Make sure you have
the proper installation conditions and that installation clearances
do not block air flow.
WARNING
Blocking air flow over the product in any way can cause
the product to overheat.
MOUNTING/PLUMBING
1. Unpack the system. Remove only the two (2) bolts holding
the top Unistrut to the plywood using a ½” socket or wrench.
DO NOT remove the two (2) bottom bolts. The lower Unistrut
is pre-installed on the compressor frame and simplifies the
mounting process.
2. Find the top Unistrut section in the packaging and install
using the proper sized clamps for the riser pipe diameter.
2”, 2-½”, 3”, and 4” clamps are included with every unit. Use
appropriate socket & channel locks/adjustable wrench to
secure clamp bolt & nut (2”, 2-½”, & 3” = ½” & 4” = 9/16”).
3. Ensure there is enough space between the bolt head and
Unistrut to allow the system frame to mount in-between
4. Grasping the system by the hand cutouts, carefully hang the
frame on the Unistrut. Ensure both tabs on the frame are
secured between the bolt heads and Unistrut.
5. Using a 3/4” socket or wrench, tighten both bolts. Confirm
the frame is securely attached to the Unistrut.
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
6. Slide the bottom pipe clamps into the Unistrut already
attached to the system. Use appropriate socket & channel
locks/adjustable wrench to secure clamp bolt & nut.
7. If using, attach the supplied hose whip to the 3/4” threaded
outlet. Secure flange nut on hose whip using adjustable
wrench. Remove the blue plug from the compressor head
and install the filter, hand tightening.
8. Complete the installation by having a certified electrician
make the electrical connections. This compressor system
provides standard electrical conduit connection.
Once finished, turn the system on and ensure it pressurizes
the system and turns off once pressure setting is reached.
If needed, the pressure switch can be adjusted using the
provided instructions.
MOTOR CONTROL
It is your responsibility to contact a qualified electrician
and assure that the electrical installation is adequate and in
conformance with all national and local codes and ordinances.
Determine the correct overload setting required to protect the
motor (see motor starter manufacturer’s recommendations).
Select fuses, motor protective switches or thermal protective
switches to provide protection. Fuses act as short circuit
protection for the motor, not as protection against overload.
Incoming line fuses must be able to withstand the motor’s
starting current. Motor starters with thermal magnetic overload
or circuit breakers protect motor from overload or reduced
voltage conditions.
The wiring diagram supplied with the product provides required
electrical information. Check that power source is correct to
properly operate the motor.
WARNING
Electrical Shock Hazard
This product must be properly grounded.
Check the condition of the power supply wiring.
Do not permanently connect this product to wiring that
is not in good condition or is inadequate for the requirements
of this product.
Failure to follow these instructions can result in death, fire,
or electrical shock.
Model that is Permanently Wired
This product must be connected to a grounded, metallic,
permanent wiring system, or an equipment grounding terminal or
lead on the product.
Power supply wiring must conform to all required safety codes
and be installed by a qualified person. Check that supply voltage
agrees with that listed on product nameplate.
OPERATION
WARNING
Injury Hazard
Install proper safety guards as needed.
Keep fingers and objects away from openings and
rotating parts.
When provided, motor terminal covers must be in place
for safe operation.
Product surfaces become very hot during operation,
allow product surfaces to cool before handling.
Air stream from the product may contain solid or liquid
material that can result in eye or skin damage, wear proper
eye protection.
Wear hearing protection. Sound level from motor may
exceed 70 dBA.
Failure to follow these instructions can result in burns,
eye injury, or other serious injury.
It is your responsibility to operate this product at recommended
pressures and room ambient temperatures. Do not start against a
pressure load.
Start Up
WARNING
This motor is thermally protected and may restart
after cooling.
If motor fails to start or slows down significantly under load, shut
off and disconnect from power supply. Check that the voltage
is correct for motor and that motor is turning in the proper
direction. Check the switch for damage. If so equipped, the
thermal protection switch has tripped, the motor can restart after
cooling.
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
PRESSURE SWITCH
Installation Use wrench to install.(Do not twist housing to
install.)
Connecting
Please follow the above wiring method to correct
the wiring. please check the connection before
the power.
Set
Zero
clearing
After power, without pressure, close
the ‘run’ key, long press ‘q’ key for 5
seconds to zero clearing.
Units
change
Close ‘run’ key, short press ‘p’ key to
change pressure unit circularly
Upper and
lower limit
setting
Close ‘run’ key, short press ‘set’
key, it shows lower limit pressure
and the low pressure warning light
comes on; press ‘p’’q’ to change
the figure(long press, the figure
changes quickly), after setting, short
press ‘set’ key to save setting. Then it
shows upper limit and high pressure
warning light comes on, press ‘p’’q’
to change the figure(long press, the
figure changes quickly), after setting,
short press ‘set’ key to save setting
and quit automatically. (if the lower
limit can not reach to the figure you
want, you can set upper limit firstly.)
Run
After setting, short press ‘run’ key to
open. (The ‘run’ key must be closed
before setting)
MAINTENANCE
WARNING
Electrical Shock Hazard
Disconnect electrical power supply before performing
maintenance on this product.
If product is hard-wired into system, disconnect electrical
power at the circuit breaker or fuse box before
performing maintenance on this product.
Failure to follow these instructions can result in death, fire,
or electrical shock.
WARNING
Injury Hazard
Product surfaces become very hot during operation,
allow product surfaces to cool before handling.
Air stream from the product may contain solid or liquid
material that can result in eye or skin damage, wear proper
eye protection.
Clean this product in a well-ventilated area.
Failure to follow these instructions can result in burns,
eye injury, or other serious injury.
It is your responsibility to:
• Regularly inspect and make necessary repairs to product
in order to maintain proper operation.
• Make sure that pressure is released from product before
starting maintenance.
Check intake and exhaust filters after six months of operation.
Clean filters and determine how frequently filters should be
checked during future operation. This one procedure will help to
assure the product’s performance and service life.
1. Remove filter cover.
2. Check filter felt. Replace felt if it is covered with
contamination or shows signs of increasing differential
pressure.
3. Reinstall felt and filter cover.
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
ACCESSORIES – INTAKE FILTER
The product’s external intake will provide adequate filtration in
most applications. Check filters periodically and replace when
necessary. Consult your Gast Distributor/Representative for
additional filter recommendations.
Item: B300A
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
Technical Data and Specifications
87R-1
Voltage VAC 120
Frequency HZ 60
System Capacity,
40 psi in 30 min gallons 296
Current amps 5.7
Weight lbs 42
Noise Level dB(A) 63
Dimensions (LxWxH) in 13.8 x 9.9 x 20.2
Motor HP 1/2
Max Pressure psi 55
Tank Size liters 2
Thermal Protection Yes
Duty Cycle 100%
Relative Humidity % 20 - 80%
Ambient Temperature 4/40 C
UNDERSTANDING YOUR PART NUMBER
SX
00
1
Voltage
1 –120
2 –230
Alpha-
Numerical
Engineering
Code
-
87R
Compressor
Series
WiFi
0 –No
1 -Yes
Riser MountAlpha-
Numerical
Engineering
Code
UNDERSTANDING YOUR PART NUMBER
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
EXPLODED PRODUCT VIEW, PARTS, AND ORDERING INFORMATION: SINGLE
B300A
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
PNEUMATIC SCHEMATIC
© 2020, Gast Manufacturing
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Part No. 70-6856 (Rev. A)
ELECTRICAL SCHEMATIC
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