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Ductless

Fume

Hoods

Chapter 7 – Troubleshooting

This

guide

addresses

the

most

common

service

issues.

For

trouble

shooting

service

information

contact

your

local

ESCO

Distributor.

Hardware:

•

DVM

(Digital

Voltage

Meter).

Note

analog

meter

can

used

for

troubleshooting,

but

cannot

used

for

motor

voltage

measurement.

•

Phillips

screwdriver

•

Insulated

jumper

cables

The

ElectricalPanel

and

Component

Layout:

Open

the

front

panel,

the

electrical

panel

the

red

covered

box

located

the

back

the

panel.

The

component

layout

followed:

Содержание Ascent max

Страница 1: ...a ogies Inc e Drive Units 15 and Canada 888 9661 Fax 215 4 l com usa esc te Ltd uth Street 1 Sin 0833 Fax 65 bal com mail C D E User Serv Released January is Esco Biologica y to familiarize yo g innov...

Страница 2: ...change Sentinel and AscentMax are registered trademarks of Esco Material in this manual is provided for informational purposes only The contents and the product described in this manual including any...

Страница 3: ...l System 6 2 2 Menu Options 7 2 2 1 Settings 8 2 2 2 Calibration 9 2 2 3 Admin 11 2 2 4 Setting Mode 11 2 3 Alarm and Warnings 13 Chapter 3 Basic Hood Operation 13 3 1 Sash Window Operation 13 3 1 1 S...

Страница 4: ...rflow Sensor 24 5 4 Replacing the Blower 24 5 5 Replacing the Fluorescent Lamp 24 5 6 Maintenance Service Log 25 Chapter 6 Recertification Calibration 25 6 1 Certification Flowchart 26 6 2 Airflow Adj...

Страница 5: ...cts purchased through Esco our limited warranty shall not apply and the original manufacturer s warranty shall be the sole warranty in respect of these products The customer shall utilize that warrant...

Страница 6: ...iv...

Страница 7: ...n damage to the unit injury to operating personnel and or poor equipment performance Any internal adjustment modification or maintenance to this equipment must be undertaken by qualified service perso...

Страница 8: ...6 EC It is marked with the following symbol Esco sells products through distributors throughout Europe Contact your local Esco distributor for recycling disposal Directive 2002 95 EC on Restriction on...

Страница 9: ...ing directives 2006 95 EEC The Low Voltage Directive and its amending directives 89 336 EEC The Electromagnetic Compatibility Directive and its amending directives has been designed to comply with the...

Страница 10: ...viii...

Страница 11: ...do not require connection to extraction systems Esco ductless fume hoods are independently tested by INVENT UK for the ability to filter contaminated air with efficiency and retention capacity as requ...

Страница 12: ...d Glass Side Wall 5 Service Fixture Provision optional 6 Electric Outlet Provision optional 7 Stainless Steel Worktop 8 Support Stand optional 9 Electrical Electronic Panel 10 Esco Sentinel Microproce...

Страница 13: ...s Side Wall 5 Service Fixture Provision optional 6 Electric Outlet Provision optional 7 Stainless Steel Worktop 8 Support Stand optional 9 Backup Carbon C Series Filter or HEPA E Series Filter 10 Elec...

Страница 14: ...stomers who intend to purchase a ductless fume hood but are unsure whether the cabinet is suitable for their application can forward a list of chemicals that they will be handling and their pattern of...

Страница 15: ...Increase and decrease corresponding value inside one of the menu options o Move the sash window upward and downward for motorized sash hood 6 Set or Mute Button o Choose the menu or sub menu currentl...

Страница 16: ...on to cancel and return to the previous step Exit menu options after making any changes in order to prevent unauthorized access to the menu When you are entering menu options the alarm will sound to i...

Страница 17: ...2 If requested enter ADMIN PIN digit by digit by using the UP DOWN and SET buttons 3 The alarm will sound for a few second to indicate that the hood is unsafe for work 4 Press UP and DOWN buttons unt...

Страница 18: ...ress UP and DOWN buttons until display show SETTINGS Press SET button to confirm 5 Press UP and DOWN buttons until display show TEMP UNIT Press SET button to confirm 6 Press UP and DOWN buttons to cho...

Страница 19: ...y show NEW ADMIN PIN Press SET button to confirm 6 Press UP and DOWN buttons to choose the numerical digit Press SET button to confirm Do this for all 4 digits 7 Display will show CONFIRM PIN Press SE...

Страница 20: ...GEN CPD MERCURY CPD SULPHUR CPD 1 Press MENU button to enter the menu options 2 If requested enter ADMIN PIN digit by digit by using the UP DOWN and SET buttons 3 The alarm will sound for a few second...

Страница 21: ...rm 6 The display shows READ MANUAL then PRESS SET Press SET button to confirm 7 Press MENU button to exit the menu options 2 2 4 Setting Mode Ductless fume hood has two working mode the default normal...

Страница 22: ...12...

Страница 23: ...ition and stop If the fluorescent lights are on as the sash descends they will switch off automatically as soon as the sash reaches fully closed If you release the button before the sash has reached t...

Страница 24: ...ure default 0 minute All buttons are disabled during post purge period 2 Lower the sash to the fully closed position The sash can be lowered immediately after turning off the fan as it will not interr...

Страница 25: ...s ensure that your legs have enough legroom 2 Keep your lower back comfortably supported by your chair Adjust the chair or use a pillow behind your back whenever necessary 3 You should place your feet...

Страница 26: ...16...

Страница 27: ...om sources of airflow disturbance and in an orientation which optimally shields the fume hood s airflow from all external airflow disturbances The following requirements should be taken into account T...

Страница 28: ...Strap the fume hood body down to the pallet Repackage as necessary If possible use original packaging When moving the fume hood use material handling equipment and lift the pallet 4 1 2 Environmental...

Страница 29: ...Requirements All service lines should be installed by a suitably qualified and certified engineer in accordance with all applicable local state and government regulations Service line attachments sho...

Страница 30: ...t 4 3 1 Disclaimer The performance and safety of all Esco fume hoods are rigorously evaluated at our factory Regular field certification is important to ensure factory standards are maintained During...

Страница 31: ...exterior surface of the fume hood particularly on the front and top in order to remove dust that accumulated there Use clean water to finish the cleaning and wash away any residue from the soap water...

Страница 32: ...4 Remove the main carbon filter 5 Reverse the above steps to finish the procedure 5 2 2 Main Carbon Filter s Changing Procedure for ADC 5__ and ADC 6__ 1 Open the Front Panel 2 Open the Access Cover...

Страница 33: ...e steps to finish the procedure 5 3 Replacingthe Airflow Sensor 1 Lower the Sash Balancing until below the sensor cover level 2 Open the sensor cover 3 Open the sensor housing electrical glan 4 Take t...

Страница 34: ...the blue panel at the top of the sash Before changing the fluorescent bulbs ensure that the cabinet is powered down and disconnected from the electrical supply 1 Raise the front cover and locate the...

Страница 35: ...he manufacturer s specifications and relevant international standards Filters are scan tested to ensure they do not leak Operator comfort tests may be performed If airflow velocities are found to be o...

Страница 36: ...moving the two screws on the front left and right sides of the cover Plug the multimeter probes to the Motor Voltage Sampling Port Use the multimeter to take the voltage air velocity reading Adjust th...

Страница 37: ...CO Distributor Hardware DVM Digital Voltage Meter Note An analog meter can be used for troubleshooting but cannot be used for motor voltage measurement Phillips screwdriver Insulated jumper cables The...

Страница 38: ...d See Component Layout to find circuit breaker Check the circuit breaker inside the electrical panel NOTE If circuit breaker has tripped do not reset the breaker before checking all electrical compone...

Страница 39: ...Connection problem to main board See Component Layout to locate the main board Measure the incoming voltage on the main board at terminal J 13 Note polarity blue cable closest to edge is negative See...

Страница 40: ...tage 6 75 8 25VDC o Check all fuses on relay board Turn off power remove fuses and physically inspect or check continuity o All wiring connections are good Turn the cabinet on If the FAN LIGHT SOCKET...

Страница 41: ...er See Figure 2 2 2 3 below Switch on the cabinet If the fan operates properly the speed controller is defective and needs to be replaced If the fan does not operate the problem is not with the speed...

Страница 42: ...contacts or flask marks on the inside of the relay case Relay is the one with transparent rectangular plastic case Check NO to Common and NC to common contacts on relay K1 The method is same as for LS...

Страница 43: ...n cabinet and increase motor voltage accordingly to achieve nominal airflow velocity If supply voltage is same as Nominal Voltage proceed to next step Filter loaded or wrong speed controller setting P...

Страница 44: ...e misalignment Airflow sensor is located inside the unit and can be accessed from the back See figure 3 2 below It is a stainless steel tube with 2 round holes facing up Important to check 1 Ensure th...

Страница 45: ...ller Increase the motor speed by 5 10 VAC Check whether the noise disappears If the noise is already gone measure the actual airflow velocity o If the velocity is still in the acceptable range maintai...

Страница 46: ...cable and connector interface to the main board If all connections okay but LCD doesn t function replace the main board Problem 7 Inoperative buttons Cause Corrective Action Connection problem Turn of...

Страница 47: ...Fume Hoods Defective Cable and or Interface Board and or keypad Replace them one by one to check which one s among them is are Defective Replace the Defective part s Figure 7 1 Figure 7 2 Figure 7 3...

Страница 48: ...ck the LS7 relay and F7 fuse refer to possible cause faulty relay below Turn off the unit Disconnect male connector C on electrical box Turn on the unit Turn on the light then check AC voltage at ball...

Страница 49: ...e Figure 8 4 If fuse F7 is blown replace with F5 spare On terminal J13 check the NO to Common and NC to Common circuits by checking continuity If the NO to Common and NC to Common contacts are not cor...

Страница 50: ...word if any Choose SET MODE option and then choose MAINTENANCE Press MENU to exit menu Press SET button to read diagnostic message Press DOWN button until you find below information M Switch_0 it is O...

Страница 51: ...r optional 2 Blower 3 Electrical Electronic Panel 4 Carbon Filter s 5 Pre Filter 6 Fluorescent Lamp 7 Tempered Glass Sides 8 Plugged Service Fixture Provision 2 on each side 9 Stainless Steel Worktop...

Страница 52: ...trical Electronic Panel 4 Carbon Filter s 5 Pre Filter 6 Fluorescent Lamp 7 Tempered Glass Sides 8 Plugged Service Fixture Provision 2 on each side 9 Stainless Steel Worktop 10 Esco Sentinel Microproc...

Страница 53: ...W 550 W Outlet Amp 5 A 5 A 5 A 5 A 5 A FLA 7 A 7 A 7 A 8 A 8 A BTU Hr 714 805 900 1122 1156 Electrical 110 120 V AC 50Hz 1 ADC 2B2 ADC 3B2 ADC 4B2 ADC 5B2 ADC 6B2 Max Power 350 W 350 W 385 W 450 W 50...

Страница 54: ...l 4 Carbon Filter s 5 Pre Filter 6 Fluorescent Lamp 7 Tempered Glass Sides 8 Plugged Service Fixture Provision 2 on each side 9 Stainless Steel Worktop 10 Esco Sentinel Microprocessor Control 11 Tempe...

Страница 55: ...h 4B finish Electrical 220 240 V AC 50Hz 1 ADC 3C1 ADC 4C1 ADC 5C1 ADC 6C1 Max Power 350 W 350 W 550 W 550 W Outlet Amp 5 A 5 A 5 A 5 A FLA 7 A 7 A 8 A 8 A BTU Hr 714 714 1122 1122 Electrical 110 120...

Страница 56: ...anel 4 Carbon Filter s 5 Pre Filter 6 Fluorescent Lamp 7 Tempered Glass Sides 8 Plugged Service Fixture Provision 2 on each side 9 Stainless Steel Worktop 10 Esco Sentinel Microprocessor Control 11 Te...

Страница 57: ...Power 350 W 350 W 550 W 550 W Outlet Amp 5 A 5 A 5 A 5 A FLA 7 A 7 A 8 A 8 A BTU Hr 805 900 1122 1156 Electrical 110 120 V AC 50Hz 1 ADC 3D2 ADC 4D2 ADC 5D2 ADC 6D2 Max Power 350 W 385 W 450 W 500 W O...

Страница 58: ...el 4 Carbon Filter s 5 Pre Filter 6 Fluorescent Lamp 7 Tempered Glass Sides 8 Plugged Service Fixture Provision 2 on each side 9 Stainless Steel Worktop 10 Secondary Backup HEPA Filter 11 Esco Sentine...

Страница 59: ...4B finish Electrical 220 240 V AC 50Hz 1 ADC 3E1 ADC 4E1 ADC 5D1 Max Power 350 W 350 W 550 W Outlet Amp 5 A 5 A 5 A FLA 7 A 7 A 8 A BTU Hr 714 714 1122 Electrical 110 120 V AC 50Hz 1 ADC 3E2 ADC 4E2...

Страница 60: ...50...

Страница 61: ...51 Ductless Fume Hoods APPENDIX...

Страница 62: ...ER 14 S3 EQR EL MC BS2011 UL BLK BLK EQR EL REL JQX 220V EQR EL MC 11 EQR EL MC 13 EQR EL MC 13 B 1 B 4 B 5 X12 2 Socket Outlet B 3 B 6 EQR EL OUTLET _ EQR EL OUTLET _ Socket Outlet T8 FLUORESCENT LAM...

Страница 63: ...lue Blue Black White Red NO COLOR AWG 18 18 18 18 18 18 Red 18 18 18 18 18 18 18 18 18 18 18 18 Yellow Yellow Yellow Yellow Yellow Yellow Yellow Socket Outlet 215 216 217 218 193 194 195 196 192 191 2...

Страница 64: ...ONTROL SWITCH TRIAC J7 Put jumper to pin 1 2 Buzzer pad J6 COM NO RED X6 N1 CP1 MODEL ADC 3B1 ADC 4B1 ADC 5B1 ADC 6B1 With Motorized sash window Motor voltage test point X13 3 X13 1 EQR EL KB KBWC 26R...

Страница 65: ...8 18 18 18 18 18 18 18 Yellow Yellow Yellow Yellow Yellow Yellow Yellow Socket Outlet 215 216 217 218 193 194 195 196 192 191 219 220 Black White Green NO COLOR AWG 16 16 16 16 16 16 16 16 16 16 16 16...

Страница 66: ...L MC 22 EQR EL MC 18 EQR EL MC 20 EQR EL MC 06L EQR EL MC 34 EQR EL SA TS EQR EL SA B3 EQR EL BAL UNV T8 IS S3 EQR EL MC BS2011 UL BLK BLK EQR EL REL JQX 110V EQR EL MC 11 EQR EL MC 13 EQR EL MC 13 B...

Страница 67: ...Red Yellow Red Blue Blue Black White Red NO COLOR AWG 18 18 18 18 18 18 Red 18 18 18 18 18 18 18 18 18 18 18 18 Yellow Yellow Yellow Yellow Yellow Yellow Yellow Socket Outlet 215 216 217 218 193 194...

Страница 68: ...L SWITCH TRIAC J7 Put jumper to pin 1 2 Buzzer pad J6 COM NO RED X6 N1 CP1 Motor voltage test point X13 3 X13 1 EQR EL KB KBWC 15R VOC sensor D 5 D 7 D 4 D 6 WHT GRN RED BLK EQR EL MC 33 RED BLK WHT G...

Страница 69: ...Red 18 18 18 18 18 18 18 18 18 18 18 18 Yellow Yellow Yellow Yellow Yellow Yellow Yellow Socket Outlet 215 216 217 218 193 194 195 196 192 191 219 220 Black White Green NO COLOR AWG 16 16 16 16 16 16...

Страница 70: ......

Страница 71: ...n problems encountered etc 2 Any decontamination procedure performed by either the user or the technician should be recorded down as well 3 Please also record any major maintenance procedure performed...

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