Pentair Pool Products Hydromatic TRST Manual

LOW PRESSURE SEWAGE SYSTEM

TRST

LISTED

NOTE! To the installer: Please make sure you provide

this manual to the owner of the pumping equipment or to

the responsible party who maintains the system.

Pump Installation and Service Manual

Thank you for purchasing your

Hydromatic®pump. To help

ensure years of trouble-free

operation, please read the

following manual carefully.

Before Operation:

Read the following instructions

carefully. Reasonable care and

safe methods should be practiced.

Check local codes and

requirements before installation.

Attention:

This manual contains important

information for the safe use of

this product. Read this manual

completely before using this

product and refer to it often for

continued safe product use.

DO NOT THROW AWAY OR

LOSE THIS MANUAL. Keep it

in a safe place so that you may

refer to it often.

Unpacking Pump:

Remove pump from carton. When

unpacking unit, check for

concealed damage. Claims for

damage must be made at the

receiving end through the delivery

carrier. Damage cannot be

processed from the factory.

WARNING: Before handling

these pumps and controls,

always disconnect the power

first. Do not smoke or use

sparkable electrical devices or

flames in a septic (gaseous) or

possible septic sump.

for all Hydromatic pumps when

adjusting, dismantling, or repairing

the pump.

Inspection

Check to be sure that all items for

your particular system are included.

Check that the phase and voltage on

the pump nameplate are correct as

ordered and match available job

site voltage.

Codes:

WARNING:

To reduce the risk

of electric shock, electric

installations shall be in

accordance with the National

Electric Code and all applicable

local codes and ordinances.

Consult the local inspector(s)

before installation to avoid costly

delays or rework

Excavation Location:

Excavation location shall be

made according to local codes and

regulations. Care should be taken

to avoid buried utility lines

piping, and other buried structures

and foundations.

Systems Description:

Two basic models of the

Hydromatic TRST grinder

systems are covered by these

instructions:

1. FBTRSTSG Factory built

TRST simplex system

utilizing a fiberglass basin.

FBTRSTDG Factory built

TRST duplex system utilizing

a fiberglass basin.

Factory built fiberglass basin

systems are available in

24" minimum diameter basins

for simplex systems and 36"

minimum diameter basins for

duplex systems.

In a TRST system, the pump is

raised and lowered in the basin

while being guided by a fiberglass

guide rail. A hydraulic sealing

flange at the pump discharge

allows the pump to be removed

without disconnecting piping or

electrical connections.

Application:

These pump systems are basically

designed for pumping sewage

water with a pH ranging from 5 to

9, specific gravities from 0.9 to

1.1, viscosities ranging from 28 to

35 S.S.U. and temperatures up

to 140˚F.

WARNING:

Pump is not to be

installed in locations considered

hazardous in accordance with

the National Electric Code

ANSI/NFPA 70.

Pump Models:

The TRST rail system may

employ any UL approved

Hydromatic 2 HP submersible

grinder pump which utilizes cutter

blades to grind solids into a slurry.

Refer to the pump service manual

General

Information

Installation Skill Requirements:

The installation of a TRST basin

system is a specialized skill, which

requires individuals with a basic

understanding of excavating, pipe

fitting, and electrical wiring.

Hydromatic cannot assume

responsibility for problems

or damage resulting from

inexperienced or undersupervised

laborers. These instructions are

meant only to be an installation

guide; therefore, installation

conditions not covered in these

instructions rely on the experience

and mechanical aptitude of those

installing the system.

Grinder Pump Attachments:

Step 1

Attach the stainless steel foot

bracket to bottom of the pump

with two bolts and lock washers

provided. See Figure 1.

Pump

Installation

Step 2

Apply pipe thread sealant to

discharge piping threads and screw

assembly into the pump discharge.

For vertical pump discharge

systems, tighten piping until a

measurable distance of 23-3/4"

±1/8" from the floor to the center

of the ball check valve discharge

diaphragm hole is achieved.

See Figure 2.

Step 3

Install the stainless steel lifting

bail to pump with two bolts

and two lock washers provided.

Position the lifting bail with

mounting tabs directed toward the

ball check valve as shown.

See Figure 3.

Step 4

Attach lifting chain, cable or rope

as supplied to the lifting bail

shackle. Tighten threaded shackle

pin with pliers.

WARNING: To reduce risk of

electric shock, do not connect

conduit to pump.

Excavation :

Step 1

Determine appropriate excavation

based on size of the basin, desired

entrance point of the influent line,

and entrance of power connection.

Step 2

Obtain proper backfill material.

The backfill material provides

as much as 90% of the basin’s

support under certain stress

conditions. The installer must be

positive that correct bed and

backfill materials are utilized per

instructions as follows:

A. Clean and free flowing gravel

with particle size not less than

1/8" nor more than 3/4" in

diameter. Use this description

when ordering or specifying

as material varies upon

geographical location. This

material is commonly known

as “pea gravel”.

B. Stone or gravel crushings with

angular particle size of not

less than 1/8", no more than

1/2" diameter, washed and

free flowing, is acceptable as

an alternative material.

CAUTION:

In freezing

conditions the backfill must be

dry and free of ice. Do not use

other backfill materials. The

basin warranty is automatically

void if materials other than the

recommended bed and backfill

materials are used.

Figure 1

Figure 2

23-5/8"

23-7/8"

Figure 3

Step 6

Close shut-off valve and make

discharge line connection. It is

recommended that an additional

shut-off valve and redundant check

valve, by installing contractor, be

located outside the basin. This can

be at any force main entrances - check

local codes for specific requirements.

Step 7

If system is supplied with a float

bracket, attach float switches to

the float bracket by clamping

strain relief bushings around the

float cords, then inserting and

twisting the bushings into the float

bracket slots.

Step 8

After grinder pump attachments

have been made, lower the pump

unit down the guide rail to ensure

the ball check valve’s sealing

flange aligns and connects

properly with discharge elbow.

WARNING: Grinder basin

systems must be vented in

accordance with local plumbing

codes. Do not remove the vent.

Pedestal Panel Mount

Systems Installation:

Step 1

Ensure power source is off

or disconnected.

Step 2

Place insulator strip or bushing

onto sump cover opening to protect

insulation on incoming cords.

Step 3

Insert all cords through the sump

cover opening and then up

through the pedestal. Mount the

pedestal on sump cover with vent

openings pointing downward.

Step 4

Route pump and control wires

through pedestal, sealing block

Pump

Installation

Step 3

The entire periphery, including

under the basin, requires 4 to 6"

of appropriate fill. The ideal basin

pad is

concrete in conjunction

with anti-flotation tie-down studs.

Basin anti-

flotation tie-down kits

are available from Hydromatic. If

concrete pad is not used, the

aggregate must be com

pacted to

85% standard proctor density.

Concrete pad or aggregate

surface must be leveled flat and

free of voids to conform to the

basin bottom. Basin bedding

depth should be calculated such

that the basin top will protrude 3"

above the normal grade upon

final installation.

CAUTION: If the basin is not

tied down during installation,

rain or flood conditions may

cause the basin to float upward,

causing damage to the basin or

basin connections. Claims for

this type of damage cannot be

processed by Hydromatic.

Basin System Handling:

Factory built fiberglass basin

systems must not be dropped,

dragged, rolled,

or handled

with sharp objects. Improper

handling of basins may result in

damage to the basin, damage to

basin components, or leaks in the

piping assemblies.

Basin Installation:

Step 1

Inspect the fiberglass guide rail to

ensure it is securely fastened to

the basin wall.

Step 2

An inlet grommet is the standard

supplied influent connection

device. If another type of inlet hub

is used, refer to the directions

included with the hub.

Inlet grommet: Determine point at

which influent line will enter basin

and, using a hole saw sized per

chart below,

drill a hole through the

basin wall. Clean cut hole and apply

a sealant coating to the cut section to

prevent fiberglass deterioration.

Insert the inlet grommet into the

drilled hole.

Step 3

Lifting of the basin may be

done with a nylon or other

non-damaging type material sling.

Do not wrap a chain or steel cable

around the basin as damage

may result. Do not attach lifting

mechanism around discharge

hub(s) or electrical hub.

Step 4

Lower the basin into excavation,

position and level properly.

Mount basin with base anchor bolts

if an anti-flotation tie-down kit is

used. Inspect fiberglass basin and

seal off any cuts or scratches to

prevent fiberglass deterioration.

Step 5

Lubricate inside lip of inlet

grommet with pipe soap. Clean

outer end of influent pipe

and push pipe through grommet.

Ensure pipe does not protrude

inside basin so as to interfere with

pump removal or float switch

operation.

PIPE HOLE SAW

SIZE DIAMETER

4" 5"

6" 7"

and panel. Mount sealing block

and panel to pedestal with

hardware provided. Ensure

pedestal gasket seals against

panel, and tighten all cord nuts

while leaving approximately 3" of

play in the cords from the tank.

IMPORTANT: Any unused

holes in the sealing block must

be plugged to prevent the

corrosive atmosphere of the

basin from entering the control

panel. Plug any unused hole(s)

with the nylon plug(s) provided.

Junction Box and Direct Burial

Cable Systems Installation:

Step 1

Ensure power source is off

or disconnected.

Step 2

Push pump power/seal failure/heat

sensor cord and float cords

through cord grips in the junction

box and tighten. To prevent

corrosion or electrical short, plug

any unused holes in junction box.

Step 3

Make all wiring connections

inside junction box for all

wires required to connect to the

control panel.

Step 4

Junction Box Conduit Systems:

It is recommended that the

customer furnish and install a

conduit seal outside the basin to

prevent surface water from

entering the junction box.

Direct Burial Cable:

Incoming burial cable(s) must be

fed through basin cord grip(s)

then tightened.

Control Panel Wiring:

WARNING: To reduce risk

of electric shock, electric

installations shall be in

accordance with the National

Electric Code and all applicable

local codes and ordinances.

Step 1

Ensure power source is off

or disconnected.

Step 2

Connect pump power, seal failure/

heat sensor, and float cords to

panel terminals per the schematic

provided with the control panel.

The white, black and red pump

power leads must be connected to

the proper terminals in the control

panel marked “W”, “BK” and “R”

or the pump will not operate. All

conduits and cables entering the

panel must be sealed.

NOTE: A Hydromatic

approved control panel must

be used or the pump warranty

is void.

WARNING: To reduce risk

of electric shock, pump is

provided with grounding wire.

Be certain that it is connected

to ground. Properly connect

the panel ground wire to a

grounding rod. Improper

grounding voids warranty.

WARNING: To reduce risk of

electric shock, connect heat

sensor leads to heat sensor

circuits. Motor protection must

be provided by the control

panel. See nameplate on the

pump for information necessary

for proper selection of motor

protection.

TYPICAL SIMPLEX – 230 VOLTS – SINGLE PHASE SCHEMATIC

NOTE: Use copper, 60˚C. wire insulation for all field wiring terminals.

WARNING:

Disconnect power supply before servicing.

WARNING:

Metal back panel is to be connected to a good ground in accordance with local electrical codes.

Figure 4

Figure 5

TYPICAL DUPLEX – 230 VOLTS – SINGLE PHASE SCHEMATIC

NOTE: Use copper, 60˚C. wire insulation for all field wiring terminals.

WARNING: Disconnect power supply before servicing.

WARNING: Metal back panel is to be connected to a good ground in accordance with local electrical codes.

Pump

Operations

Preoperation:

Step 1

Remove pump from basin.

WARNING: Hazardous moving

parts. To reduce the risk of

injury, disconnect power before

servicing pump.

Step 2

With power off, turn radial cutter

with a screwdriver to be sure

it rotates freely. If necessary

to adjust, refer to the pump

service manual.

Step 3

Stand clear from pump and with

power on, check for proper

operation of pump by turning

H-O-A switch to Hand

momentarily and then Off.

IMPORTANT: Do not leave

pump in basin unless it is placed

in operation. If a pump has been

out of service for an extended

period of time, with the power

off, rotate the impeller by

turning the radial cutter with

a screwdriver to be sure it

rotates freely.

Start-up:

Step 1

Run clear water into the basin

until motor housing is covered.

Step 2

Open the shut-off valve to the

discharge line.

Final Backfill for Fiberglass Basin Systems:

Refer to section “Excavation” for proper backfill materials. Ensure

backfill material is free of rocks, clods, and debris. See Figure 6.

CAUTION: In freezing conditions the backfill must be dry and free

of ice. Support for all piping and electrical lines must be provided

during backfilling.

At least a 4 - 6 inch wide band of compacted aggregate must be placed

in successive layers (6" lifts) around the entire periphery of the basin.

Carefully compact aggregate under all piping and electrical lines.

Cover grade should slope down 3" to the normal surrounding grade.

Care must be taken to prevent damage to any influent, discharge, or

electrical connections made to the basin.

Figure 6

4" to 6"

12"

INLET

BACKFILL

1-1/4"

DISCHARGE

ANCHOR

BOLTS

Anti-Flotation

Flange Mounting

BEDDING A Concrete Pad or Aggregate

4" TO 6"

CAUTION: Do not use

excessive force when operating

the shutoff valve or damage to

the valve or valve handle may

occur. The valve is closed when

a noticeable stop is felt upon

closing. The valve is completely

open upon 9 full counterclockwise

turns from the closed position.

Step 3

Check for proper voltage of

incoming power with a voltmeter.

Step 4

Ensure H-O-A switch is in

the Off position and turn on main

breaker.

Step 5

Start the pump by turning

the H-O-A switch to the Hand

position.

Step 6

Check the pump amperage

with clamp on ammeter on black

pump lead. Readings higher

than nameplate indicate clogged

pump, miswiring, or improper

voltage. If basin is not being

pumped down and amperage

readings are considerably lower

than nameplate, then the pump is

air locked.

NOTE: Nameplate amperage is

rated at the largest impeller

diameter trim. Pumps with

smaller diameter impellers will

draw slightly less amps than

nameplate. If pump is air

locked, refer to the trouble

check list section 4 in this

manual. If pump does not run,

check that the white, black and

red pump power leads are

properly connected to the

terminals in the control panel

marked “W”, “BK” and “R”.

Step 7

Float Adjustment for

Simplex Systems:

Adjust floats so that the pump

starts when the water level is just

above the pump motor housing,

and the pump shuts off when the

water level is 2 inches above the

pump volute discharge.

Float Adjustment for

Duplex Systems:

Adjust floats so the lead pump

will start when the water level is

just above the motor housing. The

lag pump start float should be 5

to 6 inches above the lead pump

start float. Adjust pump shut-off

so that water level is within 2

inches above pump volute

discharge.

Pumps should alternate

starting, between each other,

upon successive

pump-down

cycles. To check lag pump level,

set both H-O-A switches to Off

position and allow water to surpass

the lag pump level, then set both

H-O-A switches to Auto

position

and both pumps should

start. Turn off one pump and be

sure second pump starts when lag

pump level is reached on second

trial. If pumps fail to cycle in this

manner, retrace control float

wiring to panel.

Step 8

Ensure H-O-A switch(s) is set to

Auto when system is placed into

service.

Pump

Troubleshooting

WARNING: Hazardous moving

parts. To reduce risk of

injury, disconnect power before

servicing pump.

WARNING: To reduce risk

of electric shock, pump is

provided with grounding wire.

Be certain that it is connected

to ground.

WARNING: To reduce risk of

electric shock, do not remove

pump cord or strain relief.

The following list describes

possible problems and possible

solutions. Re

fer to the pump and

panel installation and service

manuals for details regarding any

necessary adjusting, dismantling or

repair work.

Pump Runs but Does Not

Pump Down the Basin with the

H-O-A Switch in Either Hand or

Automatic Position.

Cutters may be clogged.

An amperage higher than

the nameplate may indicate

this problem.

2. Discharge gate valve may

be closed.

3. Pump may be air locked.

Fill basin approximately 10

inches or more above the ball

check valve assembly. Raise

pump assembly so that the ball

check valve disengages the

discharge elbow (approximately

6 inches). Stand clear from

the

sump opening to avoid

spray and turn pump on for a

brief second to clear trapped

air in the volute.

4. Clogging anywhere from

cutters to check valve.

This is evident if no water

is discharged out of the

check

valve after raising the pump to

disconnect the sealing flange.

Pull pump assembly and check

for cause of clogging.

5. Discharge head may be too

high. Check elevation against

design point of pump.

Clogging exists beyond the

sealing flange. This is evident if

water is discharged through the

check valve when raising the

pump from the disconnect sealing

flange. Inspect system basin

piping or discharge piping from

basin to locate clogging.

Basin Level Is Pumped Down

with H-O-A on Switch Hand

Position, but Is Not Pumped

Down with H-O-A Switch on

Automatic Position.

1. Floats are not hanging free

in the basin or are dirty.

Pump the level down with the

H-O-A switch on Hand, so that

the floats can be observed.

Relocate and clean float(s) as

necessary.

If this is a new installation and

original start-up, the floats may

be miswired into the control

panel.

If the On and Off float

are reversed, the pump will

short cycle on and off and will

not pump the level down.

3. Floats or alternator are

malfunctioning. Pull the floats

out of the

basin and hang the

Off and On floats from your

hand. Turn the H-O-A switch to

Auto.

Tilt the Off float so that

the large end is above the cord

end – nothing should happen.

While keeping the Off float

tilted,

tilt the On float in the

same manner – the pump should

come on.

Suspend the On float

again from your hand – the

pump should continue to run.

Finally, suspend the Off float –

the pump should stop running.

If this procedure does not cause

the pump to operate as

described, either replace the

float(s) or replace the alternator

relay if the system is duplex.

Seal Failure Light Comes On.

This may indicate that the lower

seal has failed and has allowed

water to enter the seal housing

and made contact with the seal

failure probe. Or this may indicate

that a control circuit has become

grounded. Check out all control

circuit wiring for moisture. If

this is not the case, then the pump

must be pulled for maintenance.

Refer to pump installation and

service manual for replacing the

lower seal.

Pump Run Light Stays On.

1. H-O-A switch may be in Hand

position.

2. Lower float may have failed

causing the pump to

continue operating below the

Off level.

3. Pump may be air locked.

4. Cutters may be clogged.

Circuit Breaker Trips When

Pump Tries To Start.

1. Short circuit in pump motor.

2. Water may have entered

the motor housing through

either worn-out mechanical

seals or O-rings.

Pump

Troubleshooting

Start component(s) failure.

Check start capacitor and start

relay for failure.

4. Pump may be miswired to

panel. Check to ensure the

white, black, and red pump

power leads are connected

correctly to panel.

Overload Trips, Is Manually

Reset, and Then Trips Again.

1. Cutters may be clogged. It

is pos

sible that the pump

stalled during operation,

and starting and stopp

ing

cleared the cutters. If resetting

the overloads solves this

problem, return the H-O-A

switch to Auto and observe

operation.

2. Pump motor may have failed.

3. Start component(s) failure.

Check start capacitor and start

relay for failure.

4. Pump may be miswired to

panel. Check to ensure the

white, black, and red pump

power leads are connected

correctly to panel.

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