TRC750 Convertible Deep Well Jet Pump Installation Instructions
TRC Pump Water Systems
Description:
Jet pumps are single stage domestic water pumps designed for pumping potable water in applications where the water is up to 30 meters or 100 feet (deep well pump). A pressure switch is a standard feature. A built-in control valve is available on deep well pumps. Deep well pumps can be mounted to either a pre-charged, conventional type or free standing pressure tank.
Unpacking:
After unpacking the jet pump, carefully inspect and tighten any parts, nuts, bolts or screws that may have become loose in transit.
Safety Guidelines:
This manual contains information that is very important to know and understand. This information is provided for SAFETY and to PREVENT EQUIPMENT PROBLEMS. To help recognize this information, observe the following:
DANGER: Danger indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING: Warning indicates a potentially hazardous situation which, if not avoided could result in death or serious injury.
CAUTION: Caution indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
NOTICE: Notice indicates important information, that if not followed, may cause damage to equipment.
General Safety Information:
- Read the instruction manual included with the product carefully. Be thoroughly familiar with the controls and the proper use of the equipment.
- Know the pump application, limitations and potential hazards.
WARNING:
- Always install a pressure relief valve to match the system pressure rating and the maximum flow rate.
- Do not use to pump flammable or explosive fluids such as gasoline, fuel oil, kerosene, etc. Do not use in explosive atmospheres. Pump should only be used with liquids compatible with pump component materials. Failure to follow this warning can result in personal injury and / or property damage.
- Disconnect power pressure from the system before attempting to install, service, relocate or perform any maintenance. Lock the power disconnect in the open position. Tag the power disconnect to prevent unexpected application of power.
- Install a screen pipe to prevent entrapment of swimmers.
- Drain all liquid from the system before servicing.
- Secure the discharge line before starting the pump. An unsecured discharge line will whip and possible cause personal injury and /or property damage.
- Check hoses for weak or worn condition before each use. Make certain all connections are secure.
- Periodically inspect pump and system components. Perform routine maintenance as required (see Maintenance).
- Personal Safety:
- Wear safety glasses at all times when working with pumps.
- Keep work area clean, uncluttered and properly lighted. Replace all unused tools and equipment.
- Keep visitors at a safe distance from work area.
- Make the workshop child proof: Use padlocks, master switches and remove starter keys.
- Do not pump chemicals or corrosive liquids. Pumping these liquids shortens the life of the pumps seals and moving parts and will void the warranty.
- When installing pump, cover the well to prevent foreign matter from falling into well and contaminating the water and damaging internal mechanical pumping components.
- Always test the water from the well for purity before use. Check with local health department for test procedure.
- Complete pump and piping system MUST be protected against below freezing temperature. Freezing temperatures could cause severe damage and void the warranty.
- Do not run the pump dry or damage will occur and will void warranty.
WARNING: This pump is designed for indoor installation only. Failure to install indoors will significantly increase the risk of injury or death from electrical shock. All wiring should be performed by a licensed or certified electrician.
- For maximum safety, the unit should be connected to a grounded circuit equipped with a ground fault interrupter device.
- Before installing the pump, have the electrical outlet checked by a licensed or certified electrician to make sure the outlet is properly grounded.
- Make sure the line voltage and frequency of electrical current supply agrees with the motor wiring.
- Do not attempt repairs to the electric motor. All repairs to the motor must be completed at a licensed or certified electrical motor repair shop.
WARNING: Do not touch an operating motor. Modern motors are designed to operate at high temperatures.
- Avoid kinking electrical cord and protect electrical cord from sharp objects, hot surfaces, oil and chemicals. Replace or repair damaged or worn cords immediately.
- Keep fingers and foreign objects away from ventilation and other openings. Do not insert any objects into the motor.
WARNING: Risk of electric shock! Never connect the green (or green and yellow wire) to a live terminal!
- To reduce the risk of electrical shock, the pump should be plugged directly into a properly installed and grounded 3-prong grounding type receptacle, as shown in figure 1. The green (or green and yellow) conductor in the cord is the grounding wire. The motor must be securely and adequately grounded for protection against shock.
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Where a 2-prong is encountered, replace the plug with a properly grounded 3-prong receptacle in accordance with the National Electrical Code, local codes and ordinances. To ensure a proper ground, the grounding means must be tested by a licensed or certified electrician.
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Use wire of adequate size to minimize voltage drop at the motor.
DANGER: Do not handle pump or pump motor with wet hands when standing on a wet or damp surface or when standing in water. Fatal electrical shock could occur.
WARNING: Pump motor is equipped with an automatic resetting thermal protector and may restart unexpectedly. Protector tripping is an indication of motor overloading because of operating pump at low heads (low discharge restriction), excessively high or low voltage, inadequate wiring, incorrect motor connections or defective motor or pump.
Pre-Installation:
WATER SUPPLIES
The water supplies illustrated in Figure 25 are possible sources for water. These water supplies can be divided into two categories:
- Surface Water
Water from a lake, stream, pond and cistern. This water is usually not fit for human consumption, but may be suitable for washing, irrigation or other household uses.
- Ground Water
Water found in the water bearing stratum at various levels beneath the earth. Of all the fresh water found on earth only 3 percent is found on the surface and 97 percent is underground.
TANKS – CONVENTIONAL STORAGE
The function of the tank is to store a quantity of water under pressure. When full, the tank contains approximately 2/3 water and 1/3 compressed air. The compressed air forces the water out of the tank when a faucet is opened. An air volume control automatically replaces air lost or absorbed into the water. The usable water, or drawdown capacity of the tank is approximately 1/6 of the tanks total volume when operated on a “20-40” pressure setting (Figure 2).
TANKS – PRECHARGED STORAGE
A precharged storage tank has a flexible bladder or diaphragm that acts as a barrier between the compressed air and water. This barrier prevents the air from being absorbed into the water and allows the water to be acted on by compressed air at initially higher that atmospheric pressures (precharged). More usable water is provided that with a conventional tank. For example, a 20 gallon precharged tank will have the same usable water or drawdown capacity as a 40 gallon conventional tank, but the tank is smaller in size (Figure 2)
PRESSURE SWITCH
The pressure switch provides for automatic operation. The pump starts when pressure drops to a cut-in setting. The pump stops when pressure reaches a cut-out setting.
WELLS
A new well should be pumped clear of sand before installing the pump. Sand will damage the pumping parts and seal. The drawdown level of the well should not exceed the maximum rated depth for the pump. The capacity of the pump will be reduced and a loss of prime may occur.
Installation:
LOCATION
Select a location as close to the water supply as possible.
Be sure to comply with any state or local codes regarding the placement of the pump. The equipment must be protected from the elements. A basement or heated pump house is a good location. Make sure the pump has proper ventilation. The temperature surrounding the pump is not to exceed 100° F (40°C) or nuisance tripping of the motor overload may occur.
WARNING: This pump is designed for indoor installation only. Failure to install indoors will significantly increase the risk of injury or death from electrical shock.
PIPING
Piping may be copper, steel, rigid PVC plastic or flexible polyethylene plastic.
CAUTION: Flexible pipe is not recommended on suction pipe (inlet pipe).
The pipe must be clean and free of rust or scale. Use a pipe joint compound on the make threads of the metal pipe. Teflon tape should be used with plastic threads. All connections must be air tight to insure normal operation.
Slope all inlet piping upwards towards the pump to prevent trapping air. Unions or hose couplings can be installed near pump to facilitate removal for servicing or storage. A rubber hose installed between the water system and the house piping will reduce the noise transmitted to the house.
Plastic pipe can be used on all installations except 2” deep well jet. The 2” deep well jet requires 1 ¼ galvanized steel pipe and special machined couplings (1 13/16 “ O>D>).
The galvanized steel pipe and the couplings restrict the flow of return water back to the jet unless the couplings are machined.
PIPE SIZES
Long horizontal pipe runs and an abundance of fittings and couplers decrease water pressure due to friction loss. See Chart 2 to determine the proper pipe size.
DEEP WELL INSTALLATION
DRILLED WELL (4” OR LARGER) WITH TWO PIPE JET (FIGURES 25 AND 4)
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Assemble a 1 ¼ “ foot valve (not included) to the jet body. A 1 ¼ “ coupling is required to connect the larger pipe to the jet assembly.
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Connect the 1” pipe threads into the smaller opening in the jet body.
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Lower the jet into the well. Add pipe as needed. Be sure to use pipe joint compound on all male threads.
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Position the jet 10 – 20 feet (3 to 6 meters) below the lowest anticipated water level, but never closer than 5 feet from the bottom of the well if possible.
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Install a well seal to support the pipe and prevent surface water and other contaminants from entering the well.
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Install the horizontal pipe from the well to the pump. Piping from the vertical well pipe to the pump should never be smaller than the well pipes.
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Slope both pipes upward toward the pump to prevent trapping air. If the horizontal distance exceeds 25 feet, see chart 2 for the recommended pipe sizes.
DUG WELL, CISTERN, LAKE AND SPRING WITH TWO PIPE JET (FIGURE 25)
- Install a 1 ¼ “ foot valve (not included) to the jet body. A 1 ¼ “ coupling is required to connect the larger pipe to the jet assembly.
- Connect the 1” pipe threads into the smaller opening in the jet body.
- Lower the jet into the water below the lowest anticipated water level, but never closer than 18” from the bottom. Sand or debris may be drawn into the system if the jet is too close to the bottom.
- Provide protection for the jet and pipes against damage from boats or swimmers if a lake is used for the water supply.
WARNING: Install a screen around the inlet pipe to prevent the entrapment of swimmers.
- Slope the horizontal pipes upward toward the pump to prevent trapping air. If horizontal distance exceeds 25 feet (7 meters) see chart 2 for recommended pipe sizes.
DRILLED WELL (2”) WITH SINGLE PIPE PACKER (FIGURE 25 AND 5)
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|
Horizontal distance in feet |
| Pump Model |
Pump Opening |
0 - 25 |
26 - 100 |
100 - 300 |
| Deep Well Jet Pump |
Inlet: Suction |
1 1/4" |
1 1/2" |
2" |
| |
Inlet: Drive |
1" |
1 1/4" |
1 1/2" |
| |
Outlet |
3/4" |
1" |
1 1/4" |
Note: Single pipe packer jets rely on the space between single pipe and inside of well casing for return water to operate jet. Two inch installations must use 1 ¼ “ galvanized steel pipe with special turned couplings (1 13/16” O.D.) to avoid restricting flow of return water back to jet.
- Assemble the foot valve and packer to the jet body
- Lubricate the rubber cups with petroleum jelly.
- Attach the first section of pipe and lower jet into well.
- Add pipe until the jet is positioned 5 – 15 feet (1.5 m to 4.5 m) below the lowest anticipated water level. The jet should never be closer than 5 feet (1.5m) from the bottom of the well or sand and sediment may be drawn into the system.
- With the jet in position, fill the pipes with water to make sure the rubber cups are sealed against inside of the well casing. It may be necessary to move the jet up and down to seat the cups.
- Install the casing adapter and the horizontal pipes.
- Slope both pipes upward toward the pump to eliminate trapping air. If the horizontal distance exceeds 25 feet (7.5 m), see chart 2 for the recommended pipe sizes.
DEEP WELL PUMP WITH HORIZONTAL AND VERTICAL STORAGE TANK (FIGURES 6 AND 7)
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Install the air volume control on the tank as shown.
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Connect the copper tube from the air volume control to the 1/8 “ NPT opening directly above the 1 ¼” opening on the front of the pump.
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Install a valve and isolating hose between the system and the house plumbing to aid in pump removal for servicing and for reducing noise transmitted through the house piping.
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Provide a hose bib (faucet) at the lowest point in the system to drain for service or storage.
DEEP WELL PUMP WITH PRECHARGED STORAGE TANK (FIGURE 8)
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Check tank precharge using a tire pressure gauge. The precharge pressure should be 28 – 30 psi on ½, ¾ and 1 Hp models.
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Check the pressure with the power off, faucets open and no water flowing (zero water pressure).
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Install a valve and isolator hose between the system and the house plumbing to aid in pump removal for servicing and for reducing noise transmitted to the house through the piping.
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Provide a hose bib (faucet) at the lowest point in the system to drain for service or storage.
CONVERTING THE DEEP WELL PUMP TO SHALLOW WELL OPERATION (FIGURE 9)
For shallow wells (25 feet or 7.5 meters), a bolt-on shallow well jet is available as an accessory for deep well pumps. The jet attaches to the front of the pump with the two bolts provided and converts the deep well pump into a shallow well pump. The shallow well jet has a 1” NPT inlet and a 1/8” NPT opening for an air volume control. For optimum performance, an incline check valve on the inlet side of the shallow well jet is recommended.
Well Jet Assembly:
Installation instruction for 2” and 4” Convertible Jet
TOOLS REQUIRED
- 7/8 “ Deep Well Socket / Wrench
- 3’ Extension socket Extension
- Socket Ratchet Handle
- Two (2) Pipe Wrenches
TO ASSEMBLE OR CHANGE JET BODY AND NOZZLE:
- Using chart 3, determine pump horsepower (Hp) and depth of water. Also select nozzle and venture combination.
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Remove jet body (blue end) from pipe (Figure 10).
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Using a 7/8” socket wrench with the extension and ratchet, thread a nozzle selected from chart below into jet body – do not over tighten (Figure 11).
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Insert venture with flanged end toward nozzle (Figure 12).
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Thread blue end of pipe into jet body in order to start thread. Place one (1) pipe wrench on pipe and the second (2) pipe wrench on the jet body. Turn wrenches in opposite directions of each other. Continue turning wrenches until venture is tightly sealed and does not move within the pipe (Figure 13).
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Install back into well (Figure 14).
Installation Instructions for Shallow Well Jet Kit
TOOLS REQUIRED:
- 7/8” Deep Well Socket / Wrench
- 3’ Extension Socket Extension
- Socket Ratchet Handle
- Two (2) Pipe Wrenches
- ½” Open End Wrench
TO ASSEMBLE OR CHANGE JET BODY AND NOZZLE:
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Using the chart to the right, determine the pump horsepower (Hp) and depth of water. Also select nozzle and venture combination.
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Using a 7/8” socket wrench with the extension and ratchet, thread a nozzle selected from chart into jet body – do not over tighten (figure 15).
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