Yamato LDS Instruction Manual

Fume hood

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(Standard, air curtain, desk-top, and low-ceiling types)

Instruction Manual

･Thank you for purchasing Yamato Scientific's fume hood.

･To use this product correctly, please read thoroughly this

"Instruction Manual" and "Warranty Card" before using.

After reading, please save them in a suitable place for future

use.

Warning: Please read carefully and understand the

precautions in Owner's manual before using

this product.

Yamato Scientific America Inc．

Santa Clara，CA

Fume Hood

LDS

First Edition

Printed on recycled paper。

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Summary of Contents for Yamato LDS

Page 1 (Standard, air curtain, desk-top, and low-ceiling types) Instruction Manual First Edition ･Thank you for purchasing Yamato Scientific’s fume hood. ･To use this product correctly, please read thoroughly this “Instruction Manual” and “Warranty Card” before using. After reading, please save them in a suitable place for future use.
Page 2: Table Of Contents
Table of contents 1. Safety Precautions ............1 Explanation of symbols ............1 List of symbol marks ............2 Warning/caution ............3 2. Before Use ............. 8 Installation method and preparation before use ......... 8 Installation method ............12 Utility connection work ............15 3.
Page 3 Periodic self check in accordance with Industrial Safety and Health Law ... 39 10. Specifications ............40 11. Wiring Diagram ............42 12. List of Hazardous Materials ..........43 13. List of Spare Parts ............ 44 Mechanical part ............44 Electric part ...............
Page 4: Safety Precautions
1. Safety Precautions Explanation of symbols About symbols For safety purpose, there are many symbols used in this manual and on the product. Depending on severity which results from improper handling without understanding the meaning of them, these symbols are categorized as shown below. Please understand the meaning of symbols used in this manual, before reading the main body of this manual.
Page 5: List Of Symbol Marks
1. Safety Precautions List of symbol marks Warning High Driving General warning High voltage! Explosive! temperature! mechanism! Cautions Do not heat with General caution Electric shock! Risk of burn! Water leak! no water! water only! Use water only! Toxic substance! Prohibition Do not General inhibition...
Page 6: Warning/Caution
1. Safety Precautions Warning/caution Warning Do not use in flammable/explosive atmosphere Do not use in flammable or explosive atmosphere. As this system does not have an explosion-proof structure, it will cause a fire or explosion. Do not use in a hot atmosphere ●...
Page 7 1. Safety Precautions Warning/caution Warning Do not alter the power distribution panel Do not alter the contents (replace a part or wire) in the power distribution panel, or degraded function or fire may take place. Also, do not touch the panel with wet hands, because electric shock may take place due to the power source connected to this product.
Page 8 1. Safety Precautions Warning/caution Warning Do not apply any shocks on the windowpane Though it is made of tempered glass, the windowpane may be broken by a strong impact, and injuries may be caused. Take care with controlled wind speed The controlled wind speed of this product with the windowpane fully opened does not comply with “Ordinance on Prevention of Hazards Due to Specified Chemical Substances”...
Page 9 1. Safety Precautions Warning/caution Caution Take care with using heat source Absorbents which are installed to absorption unit as standard equipment generally exercises its full performance at gas temperature of less than 40°C. Take care with using heat source, because the performance significantly decreases, when the gas temperature exceeds 40°C.
Page 10 1. Safety Precautions Warning/caution Caution Take care with installation site  Air supply ● Air quantity corresponding to that discharged from fume hood must be supplied to the installation site. If the air quantity is insufficient, the fume hood may not be able to maintain the design discharge air flow.
Page 11: Before Use
Installation method and preparation before use 1. Confirm the type. Please confirm that the type you ordered is delivered before starting the installation work. The type code of this product stands for: LDS –150 S A ● Shape None ： Standard type ： Air curtain ：...
Page 12 2. Before Use Installation method and preparation before use 3. Always connect the grounding wire. ● Always connect the grounding wire properly to prevent electric shock accidents due to ground leakage. If there are no applicable grounding terminals in your site, please perform required grounding works [D class grounding work (ex.
Page 13 2. Before Use Installation method and preparation before use 5. Do not use in flammable/explosive atmosphere  Do not use this product in flammable or explosive gas atmosphere. As this product is not explosion-proof, an arc is generated when turning ON/OFF the switch and during operation, which may cause fire or explosion.
Page 14 2. Before Use Installation method and preparation before use 8. Use the power outlet within the capacity  Check the capacity of power outlet at the front of this product, and connect suitable plugs to it with observing the electrical capacity. Power outlet capacity: Single phase AC 115 V 15A 9.
Page 15: Installation Method
2. Before Use Installation method * For a knock-down product (that can be customized) of a standard or air curtain type, our workers carry out assembly and installation totally. Installation procedure for standard, air curtain, and low-ceiling types This product consists of the hood and frame. Install as shown below: ①...
Page 16 2. Before Use Installation method ⑤ After the upper and lower sections are combined, level the working surface with adjusters and lock at the positions with lock nuts (see Fig. 2-2) ⑥ In the case of air curtain, both the outlet and the fluorescent power cord into the frame through a through hole in the left.
Page 17 2. Before Use Installation method Installation procedure for a desk-top type ●Install the desk-top type product as follows: ① Remove two square blocks provided below both side plates of the hood. (The square block is fixed with four M8 bolts from below.） ②...
Page 18: Utility Connection Work
2. Before Use Utility connection work Wa rn ing For connection of piping and wiring, contact our office, your dealer or equipment installation company. Connection of piping and wiring must be performed by a person who has special knowledge and skills. If performed by an incompetent person, leakage of water or gas, electric shock or fire may be caused.
Page 19 2. Before Use Utility connection work ③ When the wiring has been connected, turn on breakers and push the Exhaust blower operation switch on the control panel to check the rotational direction of Exhaust and Supply blowers. If the rotational direction is incorrect, replace 2 of 3 wires U1, V1, and W1 on the terminal block each other to rotate the fan in the proper direction.
Page 20: Part Names And Functions
3. Part Names and Functions External View LDS－180S （Standard type） 7 53 S I N C E 1889 LDS180 Fume Hood １ F L O W M O N I T O R 180 0...
Page 21 3. Part Names and Functions LDS－180SA （Air curtain type） 1020 SINCE 1889 L D S 1 8 0 F u m eH o o d FLOW MONITOR 1800...
Page 22 3. Part Names and Functions LDS－180T （Desk-top type） 7 53 2 10 ８９７ S I N C E 1889 Fume Hood LDS180 ２１６５ F LO W MO NI TO R LDS－180SJ （Low-ceiling type）８７...
Page 23 3. Part Names and Functions Name Function Lighting Key (On/Off) Turn on/off the fluorescent light (internal lighting) Start or stop the ventilator “ON” start the exhaust blower Exhaust blower On/Off “OFF” stops the exhaust blower. Generally, the ventilator stops with a delay set by the incorporated timer for discharging gas remaining in the hood.
Page 24 3. Part Names and Functions Name Function Working surface Plane on which experiments are performed. Baffle plate to prevent gas from being stuck on the working Air wheel surface. Spot sink Fluid draining outlet in the hood. Bell trap Deodorization traps for fluid drain outlet. Drain hose Drain hose from discharge air duct.
Page 25: Control Panel
3. Part Names and Functions Control panel Standard・Air curtain・Low-ceiling panels ② Discharge ① ③ ⑤ Lighting ④ Name Description Exhaust blower operation Used to start the exhaust blower key (ON) Exhaust blower operation Illuminates when the exhaust blower is operating. It flashes lamp when the delay timer is operating.
Page 26: How To Use
4. How to Use Perform the discharge air quantity adjustment before use for using this product under an appropriate condition. Refer to P. 255, “Wind speed control” for detailed adjustment procedure. Operation Method ① Turn all breakers in the distribution panel to ON. ②...
Page 27 4. How to Use ④ The water tap in the hood can be opened/closed by using the remote control handle on the control panel. ⑤ The power outlet on the side panel provides electric power source of AC 115V 15A for apparatus.
Page 28: Wind Speed Control
4. How to Use Wind speed control Discharge wind speed adjustment procedure ① Measure the wind speed at the opening. Start the exhaust blower with the ventilator operation key, and fully open the windowpane. Then, measure the wind speed at the center of each segment, which is derived by dividing the opening area (of windowpane) by 16 as shown in Fig.4-2, with an anemometer.
Page 29 4. How to Use Air flow adjustment method (for the air curtain type only) ① Measure the air flow at the blow port of air curtain. Run exhaust and fan blowers with the operation key and open the door fully. Provide a guide plate of about 100 mm at the blow port.
Page 30: Replacement Of Fluorescent Light
4. How to Use Replacement of fluorescent light Replacement of fluorescent light（Standard・Desk-top・Low-ceiling types） ① Remove the decorative panel (upper). It can be removed by removing the screws attaching the panel, and by lifting the panel upward. ② Remove the screws and remove the lighting cover. There is a fluorescent light in it. ③...
Page 31 4. How to Use How to install decorative panel Insert the top end into the groove Install to bracket with screw of bracket Decorative Decorative Attaching bracket panel panel Attaching bracket Fig. 4-5 Fluorescent light replacement method (Air curtain type) ①...
Page 32: Handling Precautions
● Heat sources used in the hood must be limited to the extent as shown in the table below. Equivalent Heat quantity Type used Gas burner Electric heat (kcal/hr) LDS-120 1300 1.5 kW Front wind LDS-150 2000 2.3 kW speed at 0.5 m/s...
Page 33: Exhaust Blower
5. Handling Precautions Exhaust blower  In order for the standard ventilator mentioned in “10. Specifications (P. 41)” to achieve the standard discharge air quantity, the connecting duct must have the adequate diameter, be up to 10 m in the straight length, and have up to 3 bends and an exhaust blower at the end. If the condition is not satisfied, another ventilator must be selected.
Page 34 5. Handling Precautions Precautions for cleaning of handles Handles and handle attachments on front window sash are made of ABS plastic. When cleaning them, use a mild detergent, not organic solvents. Avoid using organic solvents because they may cause damage to handles and handle attachments. Front windowpane Handle attachment Handle...
Page 35: How To Care
6. How to Care Daily check/care Warning ● Except in the case that electricity is required, always disconnect the power cord when maintenance or care for the product is performed. Caution Body ● Wipe out dirt with clean soft cloth which has been dampened with water and well squeezed. Do not directly apply water to any surfaces of product, or an electric shock may be caused.
Page 36: When Not Used For A Long Time, Or Disposed
7. When not Used for a Long Time, or Disposed When not used for a long time, or disposed Warning Caution When disposed When not used for a long time. ● Do not leave the product on any place children ●...
Page 37: Troubleshooting
8. Troubleshooting Fault diagnosis Symptom Cause Remedy Main power is not turned on Turn on the main power Pilot lamp does not turn Defective exhaust blower key Replace the key and circuit board as an on, and the exhaust switch assembly blower does not run Discontinued wire...
Page 38 8. Troubleshooting Fault diagnosis Symptom Cause Remedy Detect the location of short- Short circuit circuit, and rewire Breaker for motor trips in a short time Overload operation Remove the cause of overload Defective motor Replace or repair the motor Apply grease to the pulley and Insufficient lubrication of pulley guide rail Too large moving friction...
Page 39: After-The-Sale Service And Guarantee
● Contact your dealer or Yamato Scientific’s office, if you want to repair your product after the period of guarantee is expired. If the repair is practical to maintain the required functions, we could repair the product for pay on your request.
Page 40: Recommendation - Maintenance/Inspection Contract Of Fume Hood
9. After-the-Sale Service and Guarantee Recommendation - maintenance/inspection contract of fume hood Depending on the operational condition, a fume hood may be deteriorated, or its performance may be degraded by fouling. In order to use your fume hood safely, periodic maintenance activities performed by an expert service person is required as well as daily care done by your own.
Page 41 9. After-the-Sale Service and Guarantee ◆ Consumable parts and replacement parts - Check and maintenance interval Major component Maintenance Check interval interval [Replacement/repair Fluorescent light 1 yr 1 yr Windowpane wire 1 yr 3 yr Baffle plate 1 yr 3 yr Water tap packing (19 mm) 1 yr 3 yr...
Page 42: Periodic Self Check In Accordance With Industrial Safety And Health Law
9. After-the-Sale Service and Guarantee Periodic self check in accordance with Industrial Safety and Health Law This fume hood is categorized as enclosed type of local exhaust ventilation system, which requires the following maintenance items for disasters prevention. In addition, in accordance with related rules, such as “Ordinance on Prevention of Hazards Due to Specified Chemical Substances”, “Ordinance on Prevention of Organic Solvent Poisoning”, “Ordinance on Prevention of Lead Poisoning”...
Page 43: Specifications
10. Specifications Specification of Main Body(Standard, air curtain, desk-top, and low-ceiling types) Type LDS－120 LDS－150 LDS－180 One-way water tap: 1 pcs (Epoxy work surface, width 1800 mm: 2 pcs) Water tap Power outlet 1 phase AC 115V 15A with dual grounding (drop out prevention) 1 pcs...
Page 44 10. Specifications Individual specification for standard type Type LDS-120 LDS-150 LDS-180 item Standard discharge air quantity m /min Static pressure within the machine 30(3) 59(6) 79(8) Pa (mmH 1200×750×2400 1500×750×2400 1800×750×2400 External dimensions W×D×H (mm) Weight (Approx. kg) Individual specification for air curtain type...
Page 45: Wiring Diagram
11. Wiring Diagram No provided non-standard accessories (Standard, air curtain, desk-top, and low-ceiling types ※ M2, MC2, THR and S are provided only to the air-curtain model. Symbol Part name Symbol Part name MCB1 LED1 Circuit breaker Exhaust blower lamp MCB2 LED2 Circuit breaker...
Page 46: List Of Hazardous Materials
12. List of Hazardous Materials Special care must be taken when handling explosive materials, flammable materials, and substances which contain explosive and/or flammable materials in this product. (1) Nitroglycol, nitroglycerin nitrocellulose, and other explosive nitric esters (2) Trinitrobenzene, trinitrotoluene, picric acid and other explosive nitro-compounds (3) Peracetic acid, methyl ethyl ketone peroxide, benzoyl peroxide and other organic peroxides Metallic “lithium”, Metallic “Potassium”, Metallic “Sodium”, Yellow phosphorus,...
Page 47: List Of Spare Parts
13. List of Spare Parts Mechanical part Part name Specification Manufacturer － LDS18-40450 Windowpane wire Yamato Scientific 間口 1200、1500、1800 別 Baffle plate Yamato Scientific － 0724 Water tap packing (19 mm) Kakudai LDS18-30350 Water tap Yamato Scientific － LDS18-42670 Insulator board...
Page 48: Standard Installation Manual
14. Standard Installation Manual Install the product in accordance with the items shown below. (Confirm optional accessories and customized items in an independent manner.) Manufacturing Person in Type Date Installation company Judge number charge Content No./ Item Procedure Judge Referenced Page of OM Specifications ●...
Page 49: Memorandum - Product Manufacturer And Connection Work Vendor
To facilitate maintenance activities after delivery, please note the product manufacturer and work vendors in the form shown below. Delivery/work data Category Item name Manufacturer/Vendor Type (YYYY/MM/DD) Product Fume Hood Yamato Scientific LDS- Product Exhaust blower Work Exhaust duct outlet Work Water supply Work Drain water...
Page 50 Responsibility This product must be used in accordance with this manual. Yamato Scientific Co., Ltd. does not bear any responsibility for an accident or trouble caused by deviation from the content of this manual. Do not perform any action which is prohibited in this manual, or, unexpected accidents or troubles may be caused.