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172-65605M-14 (SQ2/SQ4/SQ6) 10 December 2019

Steam-Fired Instantaneous Water Heater

SQ2 / SQ4 / SQ6

Содержание SteamAqua SQ2

Страница 2: ...tions as standard and are intended for use with electrical systems in the Oceania region Standard models are certified by JET Japan Electrical Safety Environment Technology Laboratories as a water sup...

Страница 3: ...tents of this manual are subject to change without notice Please note that visuals such as the diagrams and illustrations found within this manual may differ slightly from the actual unit This manual...

Страница 4: ...29 Operation Procedure 30 Prevention of Damage due to Freezing 34 Maintenance and Inspection 35 Storage 38 Storage Instructions 38 Troubleshooting 39 Specifications 41 Disposal of the Unit 41 Product...

Страница 5: ...172 65605M 14 SQ2 SQ4 SQ6 10 Dec 2019 4 Operation...

Страница 6: ...tions There is a space under the control panel of the unit for storage of this manual Symbols Indicates a DANGER WARNING and CAUTION item Indicates an urgent situation which poses a threat of death or...

Страница 7: ...perature Disassembling or removing components when hot or under pressure may lead to discharge of fluids causing burns other injuries or damage Be sure to use only the recommended components when repa...

Страница 8: ...upplying water to the heat exchanger Operating the heat exchanger empty of water for a long period of time is dangerous and may result in the pump running dry and becoming damaged Do not rapidly reduc...

Страница 9: ...nit The unit is not designed to be climbed on by people Failure to observe this precaution may lead to injury failure or abnormal operation due to deformation of the unit When disassembling or removin...

Страница 10: ...ws that when reducing the flow rate of the supply water from 2 m3 h to 1 m3 h relative change of 50 even operating the water supply valve for 30 seconds will result in a temporary water temperature de...

Страница 11: ...h handle for easy cover attachment removal 8 9 18 15 23 17 22 2 10 11 6 14 13 12 1 5 Steam Inlet 21 Nameplate High Temperature Caution Label Water Quality Certification Japan Hot Water Outlet 20 15 19...

Страница 12: ...es the required amount of dry steam for the water temperature to become the set temperature Two types of control valves are available pneumatic or electric Electric type Air supply is not necessary co...

Страница 13: ...changes Display of currently flowing hot water temperature and set temperature Adjust set temperature Sets cancels each alarm Cooling Circulation Unit 22 Circulating Pump Safety function To prevent t...

Страница 14: ...4 stainless steel regardless of the frame material 4 Lower Back Cover Control Panel for Connection to Circulating Pump Standard models only 5 Control Panel for Connection to Circulating Pump A control...

Страница 15: ...Q4 EO SQ6 EO Enables outdoor installation by improving the dust and water resistance of the cover and internal electrical components of the unit The standard type is for indoor installation only Cover...

Страница 16: ...shown in Figure B may differ from the layout in actual units The control panel layout for outdoor specifications standard models only differs from Figure B Control panel for outdoor specifications sta...

Страница 17: ...r emergency use The button is enabled by touching it for 0 5 seconds In operation gray Not in operation red 3 SET TEMP Display and SET TEMP Adjustment Button Displays the current set target value for...

Страница 18: ...control valve Displayed range 0 to 100 The value is not displayed unless Display Valve Opening is ON on the parameter settings screen as described in a later section 5 Current Time Displays the curren...

Страница 19: ...t water amount for the flow sensor When on stand by steam supply will start after a certain period of time Once steam supply is started the water displayed in the image after the heat exchanger change...

Страница 20: ...f time during steam heating and is displayed in amber text It is also displayed on the main screen C amber when triggered E Stop Alarm Triggered and displayed with the orange texts when the emergency...

Страница 21: ...he degree of opening of the steam control valve Hot water flow rate m3 h Displays the measured value of the hot water flow rate 3 Writing Indicates that trend data is being displayed or written 4 Samp...

Страница 22: ...ol panel should be closed When the USB device is recognized by the unit the USB icon will be displayed in the lower right of the touch panel display 2 Data transfer recording When the Start End Record...

Страница 23: ...ility that the file may not be opened Once the data in the USB device is retrieved make sure to delete files and folders on the USB device that have been automatically generated If the data is not del...

Страница 24: ...longer time period than set in No 2 an high temperature alarm will be triggered When the high temperature alarm value is set to 80 C and alarm delay is set to 10 seconds an alarm will be triggered if...

Страница 25: ...firm site safety before changing the PID constant Unnecessarily changing the PID value may result in being unable to obtain the set water temperature or in some cases overheating For adjusting the PID...

Страница 26: ...ied The water flow rate is displayed as a reference If a flowmeter is installed separately from the unit there may be a difference between the flow sensor present value and the value indicated by the...

Страница 27: ...cted Except days selected in weekly mode No 10 Day buttons in green will be removed from the schedule if touched again 6 Stop Time The time to stop the unit s automatic operation Touching the time dis...

Страница 28: ...his displays Stop Time and the Stop Time button becomes green The input method is identical to the Start Time setting described above 5 Finally touch the Save button to save the settings To deactivate...

Страница 29: ...is in automatic operation a Steam will be shut off The solenoid valve No 11 of the steam supply unit and the steam control valve with condensate separator No 10 will close b The cooling system will s...

Страница 30: ...Cooling system ON Circulating pump 22 In operation Solenoid valve 23 Open Cooling system OFF Circulating pump 22 Stopped Solenoid valve 23 Closed Steam supply unit Supplies and controls steam to the...

Страница 31: ...s dangerous as steam or condensate may be discharged during operation start up 2 Make sure that the power supply indicator on the control panel is lit and the power is supplied to the control panel Wh...

Страница 32: ...to 4 minutes depending on the operating conditions 1 The set flow rate of water is the minimum controllable flow rate for the unit under operating conditions Factory setting see product specification...

Страница 33: ...on Even if the target temperature is set within the operational range 30 to 95 C the temperature may be outside the capability range shown below depending on the temperature and flow rate conditions I...

Страница 34: ...rculation unit opens and the circulating pump No 22 operates At this time STOPPING is displayed on the touch panel The time required for operation to stop is approx 30 seconds 4 When the process to st...

Страница 35: ...ning procedure 1 Make sure that the steam inlet valve No 9 is closed and the unit has completely stopped and cooled down 2 Open the condensate blow valve No 5 of the PowerTrap unit to discharge steam...

Страница 36: ...when hot or under pressure may lead to discharge of fluids causing burns other injuries or damage CAUTION When conducting an inspection during operation of the unit it should be carried out visually...

Страница 37: ...drain condensate from the compressor periodically 5 Valve opening of the steam control valve with built in separator No 10 If the facility manager has indicated the acceptable pressure range on the p...

Страница 38: ...e is displayed Calibration check Request a calibration inspection by TLV or the flow sensor manufacturer 4 Circulating pump No 22 solenoid valve No 23 The circulating pump operates when supply water i...

Страница 39: ...humidity is 80 or less 3 If the label or plastic sheet used for sealing or packaging of the unit is damaged replace it immediately or repair it with appropriate tape to maintain the seal 4 When repack...

Страница 40: ...control valve Check the pressure of the regulator Supply the required air pressure When the pneumatic control valve is used The sequencer is faulty An error message appears on the touch panel Replace...

Страница 41: ...asured temp value output Follow the steps below to resolve problems 1 When using measured temp value output disconnect the wiring and connect it to a 250 resistor 2 Confirm continuity between the temp...

Страница 42: ...old Hot Water Inlet Outlet mm 25 25 Flanged 50 50 Flanged 50 50 Flanged Steam Inlet mm 25 Flanged 40 Flanged 50 Flanged Condensate Outlet mm 25 Flanged Installation Location Indoors Outdoors only for...

Страница 43: ...lowing cases 1 Malfunctions due to improper installation use handling etc by other than TLV CO LTD authorized service representatives 2 Malfunctions due to dirt scale rust etc 3 Malfunctions due to im...

Страница 44: ...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...

Страница 45: ...172 65605M 14 SQ2 SQ4 SQ6 10 Dec 2019 44 Installation Commissioning...

Страница 46: ...s Indicates a DANGER WARNING and CAUTION item Indicates an urgent situation which poses a threat of death or serious injury Indicates that there is a potential threat of death or serious injury Indica...

Страница 47: ...perature Disassembling or removing components when hot or under pressure may lead to discharge of fluids causing burns other injuries or damage Be sure to use only the recommended components when repa...

Страница 48: ...charge during operation injury burns etc Make sure that work such as transportation installation welding or wiring requiring a special license is carried out by qualified personnel Improper work may l...

Страница 49: ...wiring which may result in injury burns fire damage etc caused by electric shock from the wiring Precautions for Commissioning When starting up the unit make sure to check the display for the measured...

Страница 50: ...ioning 1 After completion of the installation work confirm the installation work based on the Check before the commissioning in the Installation Check List on the following page 2 Make sure to observe...

Страница 51: ...tightened Have the necessary valves been opened Have the air supply to the control valve positioner and the steam supply reached the required pressure After commissioning Initial blowdown Has initial...

Страница 52: ...t of deformation damage parts breakage missing unit components especially measuring instruments found when unpacking the unit contact TLV immediately 3 When keeping the unit in storage make sure to st...

Страница 53: ...or move the package by hoisting it for a long time or distance or at high speed When signs of damage etc are seen in the wooden box while a force is applied to the wooden box stop hoisting immediately...

Страница 54: ...space 1 Before installing the unit determine the installation position and then set the anchor bolts M12 bolts with an embedded length of 10 cm or more are recommended Make sure that the unit is secu...

Страница 55: ...Keep personnel and components away from the opening when flushing the piping Sealing material or dust entering the piping may cause problems such as deterioration of heat transfer efficiency improper...

Страница 56: ...amage CAUTION After completing work on the piping system perform a final inspection to make sure all piping connections are tightened all gaskets are installed and that all installations are stable an...

Страница 57: ...pressure loss 4 Make sure that the piping is arranged so that air does not accumulate inside the piping Take measures for the location where air may accumulate such as installing an air vent valve et...

Страница 58: ...immersed in water 5 There is no valve for drainage in the unit Make sure to install a valve for drainage to ensure ease of maintenance 6 A flow switch for sensing the flow rate is installed at the co...

Страница 59: ...f the unit is 0 6 MPaG or more the pressure should be reduced with a pressure reducing valve etc The pressure reducing valve should be installed as far as possible from the unit 5 m or more is recomme...

Страница 60: ...outlet piping has a pipe rise make sure to install a valve after the unit This enables easier maintenance work for the internal components in the unit such as the PowerTrap and prevents backflow from...

Страница 61: ...he same The size of each branch pipe from the unit connection to the hot water outlet should be same 2 Install a globe valve not included with the unit on each cold water inlet branch pipe so that the...

Страница 62: ...tically cut off the circuit on the power supply side 4 When the breaker cannot be grounded in the control panel make sure to perform D class grounding with ground resistance of 500 or less not applica...

Страница 63: ...the power cable or other cabling from the unit elsewhere make sure that the unit cover can still be removed Do not fix electrical conduits etc to the cover If the unit cover cannot be removed unit com...

Страница 64: ...l input should be between 4 and 20 mA When setting the target value via analog signal the set temperature range is from 0 C to 100 C Therefore the output range should be 4 mA 0 C 20 mA 100 C Terminal...

Страница 65: ...hot water outlet temperature via analog signal the output range should be 4 mA 0 C 20 mA 100 C Terminal block numbers for Output Temperature Measured Value Standard models 06 05 SE Oceania models 403...

Страница 66: ...een the cover and body will limit the waterproof protection for the control panel and consequently water leakage from piping etc may cause an accident such as an electric leakage 3 Connect the power c...

Страница 67: ...burns CAUTION The tank must be full of water before operating the heat exchanger In particular if water has been discharged from inside the heat exchanger for freeze prevention etc make sure to restar...

Страница 68: ...y not be supplied to the control panel Contact an electrician Together with the electrical system manager investigate the cause by checking the wiring etc 5 Check the operation status on the touch pan...

Страница 69: ...alve is in a remote location one person should operate the valve and one person should remain by the unit for observation 5 Starting operation When the water reaches or exceeds the set flow rate1 the...

Страница 70: ...et value on the parameter settings screen 2 in the touch panel or b The flow rate is displayed in the touch panel The flow rate of the flow sensor set at the factory will be a stable and controllable...

Страница 71: ...perature 3 The condensate outlet receives condensate from all discharge locations inside the unit Therefore when low temperature condensate mixes with flash steam created by high temperature condensat...

Страница 72: ...steam using equipment becomes unstable If there are no such conditions likely to occur touch the STOP button to stop operation Continue to Step 3 2 Make sure that the indicated value of the pressure g...

Страница 73: ...1 Draining procedure Make sure that the steam inlet valve No 9 is closed and the unit has completely stopped and cooled down 2 Open the condensate blow valve No 5 of the PowerTrap unit to discharge st...

Страница 74: ...lowing cases 1 Malfunctions due to improper installation use handling etc by other than TLV CO LTD authorized service representatives 2 Malfunctions due to dirt scale rust etc 3 Malfunctions due to im...

Страница 75: ...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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