Shini STM-PW series User manual

Date : June. 2009

Version : V2.3 (English)

STM-PW series

Hi-Temp. Water Heaters

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Technical Specifications

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General Description

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Working Principle

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Safety Regulations

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Signs and Labels

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Operation Regulations

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Installation

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Installation Space

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Mould and Water Couplings

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Power Supply

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Operation Guide

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Check Before Starting

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Start the Machine

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Stop the Machine

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Temperature Controller

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Service & Maintenance

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Open the Covers

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Y Type Strainer --------------------------------------------------------------------

Solenoid

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Contents

7.5 The Useful Life of The Key Parts of The Product

1-1

1. General Description

Please read through this operation manual before using and

installation to avoid damage of the machine and personal injuries.

STM- PW series high temperature water heaters are used to heat up the

mould and maintain temperature, although they can be used in other similar

applications. High temperature water from the mould is returned to the

cooling tank and cooled by either indirect cooling ( For high temperature

models ) or direct cooling ( for standard models ). It is then pressurised by

the high - pressure pump, sent to the heating tank and finally to the mould

with a constant temperature. The OMRON temperature controller can

o

maintain an accuracy of 1 C.

STM-910-PW

1-2

1. General Description

Main Features:

1) P .I.D. multi - stage temperature control system can maintain a mould

temperature with accuracy of

2) Adopt high eciency high temperature pump with great pressure

and stable performance.

3) Multiple safety devices can automatically detect abnormal performance

and indicate this via visible alarm.

4) Compact design, easy to operate and maintain.

5) Inner parts made from stainless steel to ensure corrosion - free operation.

6) With stable performance and accuracy within 1 , the heating

temperature can reach 120 , while for STM - PW, it can reach 160 .

7) STM - PW adopts indirect cooling method to maintain accurate temperature

and quick heat transfer by means of steady cooling water ow.

8) Upon request, it can be built to comply with worldwide electrical safety

standards ( For example : CE, UL, CSA, JIS etc. ).

o

1 C .

All service work should be carried out by a person with technical training or

corresponding professional experience. The manual contains instructions for

both handling and servicing. Chapter 7, which contains service instructions

intended for service engineers. Other chapters contain instructions for the

daily operator.

Any modications of the machine must be approved by SHINI in order to

avoid personal injury and damage to machine. We shall not be liable for any

damage caused by unauthorized change of the machine.

Our company provides excellent after-sales service. Should you have any

problem during using the machine, please contact the company or the local

vendor.

Headquarter and T aipei factory

Tel: (886) 2 2680 9119

Shini USA Service Information

Tel: 440-530-1000

2-1

2.1 STM-607-PW

765

515

2. Technical Specifications

2.1.1 Specifications

Pum Performance curvep

Pipe heater: 6 kW

Pump power: 0.55/0.63 kW

Max. pump flow: 27 L/min

Max. pump pressure: 3.8 Bar

Cooling method: direct

Mould coupling : 3/8

(Optional) "(2 2)

Max. temperature: 160

Flow rate (L/min)

2.1.2 Outer dimensions

pressure (Bar)

2-2

(Optional)

STM-910-PW

Outer demensions

765

2. Technical Specifications

Pum Performance curvep

10 30 40 50 60 70

Flow rate (L/min)

pressure (Bar)

2-3

(Optional)

STM-1220-PW

Specifications

Outer demensions

2. Technical Specifications

Pum Performance curvep

8

6

4

2

20 60 80 100 120 140

Flow rate (L/min)

pressure (Bar)

10

2-4

Specification List

2. Technical Specifications

Note 1) "PW" stands for high temp. water heaters, "*" stands for options.

2) To ensure stable water temperature, cooling water pressure should

22

not be less than 2 kg / cm but also no more than 5 kg / cm .

3) Pump testing standard Power of 50 / 60Hz purified water at 20 .

( There is 10% tolerance for either max. flowrate or max.pressure ).

4) Power supply: 3 , 230/400/460/575V, 50/60Hz.

model Max. temp.

STM-607-PW

STM-910-PW

STM-1220-PW

160

Heater

(kw)

6

9

Pump (kw)

(50/60Hz)

0.55 / 0.63

0.75 / 0.92

Max. pump

flow (L/min)

(50/60Hz)

27 / 30

42 / 50

Max. pump

pressure (bar)

(50/60Hz)

3.8 / 5.0

5.0 / 6.4

6.2 / 7.2

Heating chamber

number

1

Heating / cooling

tank (L)

3.4 / 2.0

Cooling

method

Indirect

Mould

coupling*

(inch)

3/8" (2 2)

765x320x765

795x340x820

1" (1 2)12 1.5 / 1.9 74 / 84

3.4 / 2.0

3.4 / 4.6

Dimensions (mm)

(HWD)

Weight

(kg)

80

85

95

3-1

General Description

3. Main Functions

SHINI Hi-temp. Water Heaters are mainly used to heat up the mould and

keep its temp. at a certain level, and they are also found applications in

other similar fields. Water returned from the mould will be cooled by

indirect cooling and then it is sent to pipe heaters to

be heated to keep a constant temp. of process water. Owning to

aximum 160

by a high pressure

ptimizing design, m

1.

o of process water could be supplied.

OMRON temperature controller is installed to ensure water temp. within

the accuracy of

Uni-directional cut-off valve

Pressure

switch 1

Filter Cooled water inlet

Cooling electromagnetic

valve

Ball valve

Liquid level switch

Cooler

Safety valve

Water replenishing

electromagnetic valve

Mould return

Pumping Temperature

sensor Pressure gauge To mould

Mould

Ball valve

Heater Cooled water outlet

Pressure

switch 2

3-2

3. Main Functions

High-temperature water returning from mould returns to cooler through pipes,

which is conveyed to heater after being pressured through pumping and it is

transmitted to mould after being heated in electric thermal pipe, so on and so

forth. In this process, when liquid level switch detects that liquid level falls

down to set value, the water replenishing electromagnetic valve is started,

which replenishes water to ensure normal operation of the system; If the

water temperature is too high, the system will start up cooling electromagnetic

valve and cooled water will enter the system to cool water at high temperature

indirectly and reduce its temperature, by which the purpose of maintaining

constant temperature is achieved. If water is still at high temperature and

maintains at the level of the set EGO temperature, system will start up high

temperature alarm and stops working; When system pressure arrives at set

value of safety valve, safety valve is started and starts releasing pressure; If

system pressure keeps rising, which is higher than the set value of pressure

switch 2, system will start up water replenishing electromagnetic valve to

release valve; if the pressure of cooled water fails to reach the preset

requirements, pressure switch 1 will emit signal, system starts up

low-pressure alarm and stops working.

4-1

4. Safety Regulations

Danger!

The unit is designed endure high temp. And high pressure. For safe

operation, do not remove the covers or switches.

Attention!

The unit should be operated by qualified personnel only.

During operation, avoid wearing gloves or clothes that may cause

danger.

Turn off main switch when power supply is off.

Stop the unit when there may be power supply problems caused by

static electricity.

Put on safety gloves and shoes during installation or relocation.

Components from our company can only be used for replacement.

Warning!

Do not touch the switch with wet object or hands.

Do not use the machine before fully aware of its performance.

Be careful not to touch or hit the switch or sensor.

Please keep enough operation space, and keep away obstacles.

To avoid producing statics, clean the floor from oil or water to keep

a dry environment.

Protect the machine against severe vibration or collision.

Do not remove safety signs or make it dirty.

Drunken, medicine-taking, or men without proper judgement should

not operate the machine.

Attention

No need for regular inspection because all the electrical parts in

the control unit are fixed tightly

4-2

N6148015

4. Safety Regulations

4.1 Signs and Labels

In order to keep a stable temperature,

cooling water pressure should not be

2

less than 2kg/cm, but also no more

2

than 5kg/cm. Clean the Y type

strainer to ensure cooling capacity of

the machine.

(Attached to pump cover)

This is to indicate motor rotating

direction. When phase reversal

happens, the alarm sounds and

indicator on control panel will indicate.

Please exchange the place of two of the

electrical wires to solve this problem.

High voltage! Electrical shock may

happen. Carefulness is required from

the operator.

Attentions!

This is general warnings which

operators should pay attention to.

4.2 Operation Regulations

1) Before operation, make sure that cooling water is clean soft water without

pollutants.

Low quality water brings limescales, which may cause problems.

2) If problems of drainage or bad temperature control are noted, please clean

solenoid valve and cooling water inlet and outlet.

3) Do not move the unit when it is in operation.

4) When in need of repairing, wait until oil temperature falls below 30 .

5) Motor overload may be caused by phase shortage, pipe obstruction,

broken bearing , etc. Motor overload relay will trip off to stop the machine

when this happens. Fixing the problems, press RESET on overload relay

to clear the alarm.

6) Before turn off the pump, wait until oil temperature falls blow 50 . Or the

life of the unit would be affected.

7) If the setting temperature is below 100 , then the pressure switch setting

value should be 1.5-2 bar; If the setting temperature sets between 100

and 200 , then the recommendable pressure switch setting value should

be 2.8 bar. If the cooling water pressure is too low, then the pressure

switch setting value can be adjusted properly to ensure normal running.

However, it may affect the limitation of setting temperature or cause

unstable temperature control.

8) Please connect the coolng water outlet with high temperature resistant

pipe when temperature is above 100 .

Please abide by the safety guide when you operate the machine so as to

prevent damage of the machine and personal injuries.

All electrical components should be installed by qualified electricians.

Turn off main switch and control switch during repair and maintenance.

Warning High voltage

This mark is attached on the cover of the control box.

Warning Be careful

Be more careful when this mark appears.

4-3

4. Safety Regulations

Transportation and storage of the machine

Transportation

1) STM-PW series standard oil heaters are packed in crates or plywood cases

with wooden pallet at the bottom, suitable for quick positioning by fork lift.

2) After unpacked, castors equipped on the machine can be used for ease

of movement.

3) Do not rotate the machine and avoid collision with other objects during

transportation to prevent improper functioning.

4)The structure of the machine is well-balanced, although it should also be

handled with care when lifting the machine for fear of falling down.

5) The machine and its attached parts can be kept at a temperature from

-25 to +55 for long distance transportation and for a short distance,

it can be transported with temperature under +70 .

Storage

1) STM-PW series standard oil heaters should be stored indoors with

OO

temperature kept from 5 C to 40 C and humidity below 80%.

2) Disconnect all power supply and turn off main switch and control switch.

3) Keep the whole machine, especially the electrical components away from

water to avoid potential troubles caused by the water.

4) Plastic film should be used to protect the machine from dust and rains.

Working environment

The machine should be operated:

1) Indoors in a dry environment with max. temperature +45 and humidity no

more than 80%.

Do not use the machine:

1) If it is with a damaged cord.

2) On a wet floor or when it is exposed to rain to avoid electrical shock.

3) If it has been dropped or damaged until it is checked or fixed by a

qualified serviceman.

4. Safety Regulations

4-4

4. Safety Regulations

4-5

Please abide by the safety guide when you operate the machine so

as to prevent damage of the machine and personal injuries.

All electrical components should be installed by qualified

electricians.

Turn off main switch and control switch during repair and

maintenance.

Warning High voltage

This mark is attached on the cover of the control box.

Warning Be careful

Be more careful when this mark appears.

Rejected parts disposal

When the equipment has run out its life time and can not be used any more,

unplug the power supply and dispose of it properly according to local code.

In case of fire, Co dry powder fire extinguisher should be applied.

2

Fire hazard

4) This equipment works normally in the environment with altitude within 3000m.

5) At least a clearance of 1m surrounding the equipment is required during

operation. Keep this equipment away from flammable sources at least two

meters.

6) Avoid vibration, magnetic disturbance at the operation area.

Warning

High temperature, take care of hands! This label is attached on the

surface of heating parts.

5-1

5. Installation

5.1 Installation Space

During installation of the machine, keep at least 500mm installation space

around the machine as shown by the picture. Do not install the machine in

a position crowded with other objects. This would cause inconvenience to

operation, maintenance and repair.

Do not sit on the machine.

Keep away flammable and explosive goods.

5-2

5. Installation

5.2 Mould and Water Couplings

Cooling wate inletCooling water outlet

Connect cooling water inlet with water

supply and cooling water outlet with a

drainage pipe. After that, turn on water

supply.

Unused mould couplings can be

connected with each other by a

teflon pipe, as shown in.

(Figure. 5.2-2)

2)

3

Figure. 5.2-1

Figure. 5.2-2

Figure. 5.2-3

1) It is necessary, while connecting

from the access to mould, to use

two spanners to fix the switching

connection and ball valve before

screw tightly the horn nut of the

connection pipe, otherwise water

might leaks from the machine.

(Figure.5.2-1)

Note! Cooling water inlet and outlet

as shown by the Figure. 5.2-3.

Please do not connect reversely.

Please connect the coolng water

outlet with high temperature

resistant pipe when temperature is

above 100 .

5-3

5. Installation

5.3 Power Supply

Make sure that power supply is the same as required before installation.

Mould heaters are generally set to be used with 3 400V power supply

or other specifications according to customers' requirement.

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Shini STM-PW series User manual

Shini STM-PW series User manual

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