V 4.0 6.5 Gallon Water Pressure Tank 8644320
User Manual
6.5 Gallon Water
Pressure Tank
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8644320 6.5 Gallon Water Pressure Tank V 4.0
SPECIFICATIONS
Type Pressure Tank
Capacity 6.5 Gallons
Material Steel tank, EPDM bladder
Pressure Rating 90 PSI
Max. Working Pressure
90 PSI (tested to 145 PSI)
Min. Temperature 0
℃
(32
℉
)
Max. Temperature 99
℃
(210
℉
)
Feature(s) Powder coated steel
Dimensions 10.6 x 17.1 in.
Overview Designed for water systems equipped
with a jet pump.
SAFETY
WARNING! Read and understand all instructions before using this tool. The
operator must follow basic precautions to reduce the risk of personal injury
and/or damage to the equipment.
SAVE THESE INSTRUCTIONS
Keep this manual for safety warnings, precautions, operating or inspection and
maintenance instructions.
6.5 Gallon Water
Pressure Tank
2 For technical questions call 1-800-665-8685
V 4.0 6.5 Gallon Water Pressure Tank 8644320
HAZARD DEFINITIONS
Please familiarize yourself with the hazard notices found in this manual. A notice
is an alert that there is a possibility of property damage, injury or death if certain
instructions are not followed.
DANGER! This notice indicates an immediate and specific hazard that will
result in severe personal injury or death if the proper precautions
are not taken.
WARNING! This notice indicates a specific hazard or unsafe practice that
could result in severe personal injury or death if the proper
precautions are not taken.
CAUTION! This notice indicates a potentially hazardous situation that may result
in minor or moderate injury if proper practices are not taken.
NOTICE! This notice indicates that a specific hazard or unsafe practice will
result in equipment or property damage, but not personal injury.
WORK AREA
1. Operate in a safe work environment. Keep your work area clean, well lit and
free of distractions.
2. Keep anyone not wearing the appropriate safety equipment away from the
work area.
PERSONAL SAFETY
WARNING! Wear personal protective equipment approved by the
Canadian Standards Association (CSA) or American National Standards
Institute (ANSI).
PERSONAL PROTECTIVE EQUIPMENT
1. Always wear impact safety goggles that provide front and side protection
for the eyes. Eye protection equipment should comply with CSA Z94.3-07
or ANSI Z87.1 standards based on the type of work performed.
2. Wear gloves that provide protection based on the work materials or to
reduce the effects of tool vibration.
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8644320 6.5 Gallon Water Pressure Tank V 4.0
3. Non-skid footwear is recommended to maintain footing and balance in the
work environment.
4. Wear steel toe footwear or steel toe caps to prevent a foot injury from
falling objects.
PERSONAL PRECAUTIONS
Control the tool, personal movement and the work environment to avoid
personal injury or damage to tool.
1. Do not operate any tool when tired or under the influence of drugs, alcohol
or medications.
2. Avoid wearing clothes or jewelry that can become entangled with the
moving parts of a tool. Keep long hair covered or bound.
3. Do not overreach when operating a tool. Proper footing and balance
enables better control in unexpected situations.
SPECIFIC SAFETY PRECAUTIONS
WARNING! DO NOT let comfort or familiarity with product (gained from
repeated use) replace strict adherence to the tool safety rules. If you use
this tool unsafely or incorrectly, you can suffer serious personal injury.
1. Use the correct tool for the job. This tool was designed for a
specific function. Do not modify or alter this tool or use it for
an unintended purpose.
2. Do not exceed the maximum working pressure and temperature of the
tank. Damage to the pressure tank may occur if temperature and/or
working pressure is exceeded, have suitable controls to avoid any damage.
3. In order to avoid leaks from the tank, it could be necessary to use a
drainage system.
4. During installation, make sure to use appropriate discharging and
vent valves.
5. External stresses such as traffic, wind, earthquake, etc. should be
considered by the installer during the installation process.
4 For technical questions call 1-800-665-8685
V 4.0 6.5 Gallon Water Pressure Tank 8644320
6. Observe local regulations for installation. A qualified service technician
must check the system periodically after the pressure tank has
been installed.
7. This pressure tank is designed for use with water, do not use with
other liquids.
8. Install the pressure tank in a safe area, have the installation checked by a
qualified service technician upon completion of the installation.
9. Protect the pressure tank from freezing by having a suitable heating
system and/or insulation.
UNPACKING
WARNING! Do not operate the tool if any part is missing. Replace the
missing part before operating. Failure to do so could result in a malfunction
and personal injury.
Remove the parts and accessories from the packaging and inspect for damage.
Make sure that all items in the parts list are included.
IDENTIFICATION KEY
1
Counter-flange Bolts
2
Counter-flange
3
Counter-flange
4
Membrane
5
Pre-loading Valve
6
Protection Cap
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8644320 6.5 Gallon Water Pressure Tank V 4.0
ASSEMBLY & INSTALLATION
When this manual refers to a part number, it refers to the included Parts
Identification section.
1. If a tank in an existing system is being replaced,
make sure that the electrical input to the pump’s
electrical control panel is disconnected.
2. Take the tank out of its package, remove the
protection cap (6) from the air valve and then check
the preloading pressure. Make sure that this
pressure is slightly less than the pressure-switch
triggering pressure and adding or removing air as
required and then screw the protection cap back on.
3. Position the tank as close as possible to the pressure-
switch in order to avoid pressure losses due to friction.
Figures 1, 2 and 3 illustrate the most frequent types
of installation.
4. Connect the tank to the pump outlet point. Make sure to
always respect all local installation regulations.
5. We recommend installing a safety valve set to the
system’s maximum working pressure.
6. Restore the power supply to the pump control panel
only after completing the installation of the tank.
7. Fill the system again by starting up the pump
until the pressure-switch shuts the pump
off automatically.
8. Open and close the tap furthest from the tank
repeatedly in order to eliminate all the air inside
the tubing.
6 For technical questions call 1-800-665-8685
V 4.0 6.5 Gallon Water Pressure Tank 8644320
9. Open one or more taps in order to empty the tank, if a pause is observed
between the emptying of the tank and the starting of the pump, the
pressure-switch triggering pressure must be slightly increased or the
tank pre-loading pressure must be decreased by proceeding as described
in point 2.
10. Repeat points 7, 8 and 9 until the pause is completely eliminated.
11. Check all the connections and make sure that there are no leakage of water.
12. If the operations in the points above perfectly executed, the system should
now be ready for operation.
13. Regularly check the tank pre-loading pressure during the use of the system
and top up whenever required.
CARE & MAINTENANCE
1. Maintain the device with care. A device in good condition is efficient, easier
to control and will have fewer problems.
2. Inspect the device components periodically. Repair or replace damaged or
worn components. Only use identical replacement parts when servicing.
3. Only use accessories intended for use with this device.
4. All of the heating system components should be periodically checked by a
qualified service technician.
5. Maintain the device’s labels and name plates. These carry important
information. If unreadable or missing, contact Princess Auto Ltd.
for replacements.
WARNING! Only qualified service personnel should repair the tool. An
improperly repaired tool may present a hazard to the user and/or others.
REPLACEMENT OF THE BLADDER
1. Disconnect the power supply to the pump electrical control panel and
either shut off the water supply or completely drain the system of water.
2. Remove the tank from the system and remove all of the pre-loading air by
using the valve.
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8644320 6.5 Gallon Water Pressure Tank V 4.0
3. Position the tank horizontally in order to facilitate the operations
that follow.
4. Remove the bolts from the counter-flange and then remove the
counter-flange.
5. Remove the old bladder from the tank.
6. Re-assemble the counter-flange.
7. Re-load the tank pre-loading pressure and check for leakages of air on the
counter-flange.
8. Re-connect the tank to the system and follow the instructions mentioned
above for the verification of the correct system operation.
DISPOSAL
Recycle a device damaged beyond repair at the appropriate facility.
8 For technical questions call 1-800-665-8685
V 4.0 6.5 Gallon Water Pressure Tank 8644320
PARTS BREAKDOWN
PARTS LIST
PART# DESCRIPTION
1 Protection Cap
2 Hex Valve Nut
3 Flat Washer
4 Upper Tank Body
5 Lower Tank Body
6 Flange
7
Air Valve Element
PART# DESCRIPTION
8 O-ring
9 Air Valve Body
10 Membrane
11 Flange
12 Hexagon Bolt
13 Connection
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