TLV SteamAqua SQ-C01 Instruction Manual Download Page 30 | Manualshive

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172-65702M-04 (SQ-C01) 10 Dec 2020

29

If there are any abnormalities in the operational check items, inspection and repair
should be requested immediately.

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Summary of Contents for SteamAqua SQ-C01

Page 1: ...172 65702M 04 SQ C01 10 December 2020 Steam Fired Instantaneous Water Heater SQ C01 Copyright 2020 by TLV CO LTD All rights reserved...

Page 2: ...ir work Please keep it in a safe place for future reference The copyright of this manual belongs to TLV CO LTD Unauthorized reproduction of the contents of this manual in part or in whole is strictly...

Page 3: ...d Function 9 Options 11 Considerations for Installation Personnel 12 Precautions before Unit and Piping Installation 14 Piping Work 16 Commissioning 21 Operation 24 Prevention of Damage due to Freezin...

Page 4: ...N The three types of cautionary items above are very important for safety be sure to observe all of them as they relate to installation use maintenance and repair Furthermore TLV accepts no responsibi...

Page 5: ...esult in back strain or other injury if the object should fall To use the unit safely and properly read this instruction manual carefully to carry out the specified work Installation moving and incide...

Page 6: ...lectrical power water and air Failure to prevent the access of unauthorized personnel may result in burns electric shock injury or falls Precautions for Operation CAUTION Hot water may flow out when w...

Page 7: ...nit are hot Precautions when the Unit is Shut Down for a Long Period of Time CAUTION When the unit is shut down for a long period of time or there is a possibility of freezing make sure to completely...

Page 8: ...all Butterfly Valve TLV BB1N size 15 mm Rc 3 Note Gaskets bolts and nuts required to connect the unit to piping are not included Make sure to read the documentation packed with the unit as well as thi...

Page 9: ...n or other injury if the object should fall CAUTION Follow the procedures below for moving the unit Moving procedures 1 Remove all items from the packaging except the unit 2 Remove the unit from the b...

Page 10: ...etails Chart Name Connection A Steam Inlet 15 mm JIS 5KFF or 15 ASME Class 150 RF B Condensate Outlet 15 mm JIS 5KFF or 15 ASME Class 150 RF C Cold Water Inlet 15 mm JIS 10KFF or 15 ASME Class 150 RF...

Page 11: ...mally high temperature water from being discharged Heat insulating joint Mixing Unit Mixing Valve Produces hot water of the required temperature by mixing hot water and cold water that have passed thr...

Page 12: ...from the supplied steam to prevent it from flowing into the unit TLV Y3 strainer Rc Ball Butterfly Valve for steam inlet cold water inlet and hot water outlet Install valves on each piping connection...

Page 13: ...rk based on the Before commissioning in the Installation Check List on the following page b Make sure to observe the safety precautions when performing commissioning c After completing commissioning c...

Page 14: ...tightened Have piping supports been firmly installed Are the supply conditions for steam and water appropriate Has piping in the unit been additionally tightened after installation After commissioning...

Page 15: ...r 3 When installing the unit in a high place make sure to install the unit at a location where maintenance work etc can be carried out and where handrails etc are installed to prevent falling If work...

Page 16: ...arge condensate before operation Flushing is performed to remove the residual sealing material metal chips sand or scale in the piping Therefore it is necessary to vigorously flush the piping from as...

Page 17: ...ded pipes to the unit Over tightening may cause breakage leading to fluid discharge which may cause burns or other injury CAUTION The unit consists of steam using equipment and piping Proper insulatio...

Page 18: ...e instructions provided by the organization that designed and installed the system 2 Precautions for installing piping Do not apply excessive force to the the unit pipings and peripheral piping Failur...

Page 19: ...valve on the secondary side of the steam trap to prevent backflow g Make sure to insulate the steam piping as it becomes very hot h When using a pressure reducing valve to supply steam to the unit mak...

Page 20: ...When recovering the condensate install a check valve on the secondary side of the steam trap to prevent backflow when the unit is shut down The back pressure of the condensate recovery piping should b...

Page 21: ...ven when the unit is not in operation the water safety valve may operate and hot water may flow out to prevent the internal pressure from rising Failure to follow precautions may result in burns or ot...

Page 22: ...main steam supply valve and shut down the unit promptly If the tube inside the heat exchanger of this unit is damaged due to an earthquake a large amount of steam will enter the hot water piping whic...

Page 23: ...tightened c Checking opening closing of valves Check to make sure that valves installed on the steam inlet piping cold water inlet piping and hot water outlet piping are closed Furthermore close the...

Page 24: ...y water to the unit and vent the air 4 Open the valve C on the condensate outlet piping so the condensate is discharged 5 Close the valve D on the steam inlet piping slowly and supply steam 6 When the...

Page 25: ...se the main steam supply valve and shut down the unit promptly If the tube inside the heat exchanger of this unit is damaged due to an earthquake a large amount of steam will enter the hot water pipin...

Page 26: ...the unit is not adjusted open the pressure reducing valve by slowly turning the handle and adjust to the designated pressure 7 Check to make sure that the steam pressure is stable and adjust the water...

Page 27: ...t the intended location for use 1 Close the steam inlet valve D slowly 2 When the valve B on the hot water outlet piping is closed open the valve slowly and supply water for a while 3 After supplying...

Page 28: ...damaged due to freezing repair will be billed even during the warranty period Water in the water supply system cannot be discharged with the unit To prevent freezing of the water supply system contact...

Page 29: ...discharge of fluids CAUTION There are two types of inspection for maintenance of the unit operational checks and cleaning The operational check includes inspection items based on visual and hearing so...

Page 30: ...172 65702M 04 SQ C01 10 Dec 2020 29 If there are any abnormalities in the operational check items inspection and repair should be requested immediately...

Page 31: ...the strainer Make sure to close the supply water tap before cleaning the strainer 1 Close the supply water tap 2 Loosen the screen holder with tools such as an adjustable spanner or hex spanner 3 Rem...

Page 32: ...rotective gear such as a helmet safety glasses long sleeve shirt heat resistant gloves protective footwear etc Failure to do so may result in burns or injuries CAUTION Stop steam and water supply and...

Page 33: ...oval of the pipe thread taper thread may be difficult as a sealant is used to prevent water leakage 1 When replacing only internal parts of the pressure reducing valve refer to the instruction manual...

Page 34: ...er connected to the mixing valve located in front of the heat exchanger There are two locations where G threaded connectors are used 2 Loosen the union connected to the steam supply unit 3 Loosen the...

Page 35: ...replacement parts Do not forget to take out the part to be replaced 3 Insert the replacement kit for the pre mixing valve Tighten the cover Tightening torque of the cover 40 N m 4 Mixing Unit Compone...

Page 36: ...lexible tube Remove hex bolts M4 with washer that are holding the frame and the piping Be careful not to drop the nuts 3 Remove the hot water outlet unit holding it with two hands Remove the hot water...

Page 37: ...pre mixing unit and the heat isolation fitting 1 Loosen the two G threaded connectors at the inlet of the pre mixing unit Be careful as residual condensate may flow out 2 Loosen the G threaded connect...

Page 38: ...otective footwear etc Failure to do so may result in burns or injuries CAUTION When the unit fails to operate properly use the following table to locate the cause and remedy If it is not possible to r...

Page 39: ...temperature with another thermometer Replace with a new thermometer if it is judged to be defective Large fluctuations of the amount of hot water used Check hot water usage When a large amount of hot...

Page 40: ...emperature Adjustment Method Dial type Temperature Adjustment Range 30 to 50 C 40 to 65 C Supply Pressure Steam 0 2 to 0 7 MPaG Cold water fluid pressure 0 1 to 0 4 MPaG Temperature 5 to 28 C Maximum...

Page 41: ...unit indoors to prevent it from getting wet by rainwater dew etc 2 Store the unit indoors with humidity less than 80 3 If the label or plastic sheet used for sealing or packaging of the unit is damag...

Page 42: ...or defaced nor does it apply in the following cases 1 Malfunctions due to improper installation use handling etc by other than TLV CO LTD authorized service representatives 2 Malfunctions due to dirt...

Page 43: ...ia 3131 Australia Tel Fax 61 0 3 9873 5610 61 0 3 9873 5010 In East Asia 36 Kaki Bukit Place 02 01 02 Singapore 416214 Tel Fax 65 6747 4600 65 6742 0345 Room 5406 No 103 Cao Bao Road Shanghai China 20...

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