User Manual SCE-HE04W120V - Saginaw Control and Engineering
Contents
1. SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 13 18 Transportation amp Storage Malfunction Due to Transport Damage On delivery the carton containing the unit must be examined for signs of transport damage Any transport damage to the carton could indicate that the unit itself has been damaged in transit which in the worst case could mean that the unit will not function Storage Conditions The unit can only be stored in locations which meet the following conditions Temperature Range 104 F to 158 F Relative Humidity at 77 F Max 95 Returning the Unit Damage to the Unit Through Incorrect Transport To avoid transport damage the unit should be returned in the original packaging or in a packing case and must be strapped to a pallet If the unit cannot be returned in the original packaging please ensure that Aspace of at least 30 mm must be maintained at all points between the unit and the external packaging The unit must be firmly fixed in the packaging he unit must be protected sufficiently by shock absorbing padding hard foam corner pieces strips or cardboard corner pieces 19 Parts Supplied 1 x Heat Exchanger 1 x Instruction Manual with technical information 1 x EC Declaration 1 x Installation pack containing 6 x Slotted Studs M6 x 25 6 x Washers A6 4 DIN 125 6 x Lock Nuts M6 DIN 985 1 x Tight Tape 1 x Drain Connector 1 x O ring Saginaw Control and Engineering 95 Midland Road2. 13 20 Warranty Limits of Liability e esee ree p 14 E s e E ee 199 ee e e 2 SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 1 User Manual This instruction manual contains information and instructions to enable the user to work safely correctly and economically on the unit Understanding and adhering to the manual can help one Avoid any dangers Reduce repair costs and stoppages Extend and improve the reliability and working life of the unit PLEASE ENSURE TO USE THE RIGHT VERSION OF THE INSTRUCTION MANUAL SUITABLE FOR YOUR UNIT Conditions of Use The unit is to be used exclusively for the dissipation of heat from control cabinets and enclosures in order to protect temperature sensitive components in an industrial environment To meet the conditions of use all the information and instructions in the instruction manual must be adhered to General Danger Indicates compulsory safety regulations which are not covered by a specific pictogram such as one of the following High Electric Voltage Indicates electric shock danger Important Safety Instruction Indicates instructions for safe maintenance and operation of the unit Attention Indicates possible burns from hot components Attention Indicates possible damage to the unit Instruction Indicates possible danger to the environment A A A i2 2 Legal Regulations Liabil
3. SAGINAW CONTROL amp ENGINEERING A C USER MANUAL SAGINAW CONTROL amp ENGINEERING Your Enclosure Source amp Thermal Source User Manual SCE HE04W120V ETC m n 2 2 Legal Regulations 2 ETE 3 4 Technical Information aEfaini une lE EuC Y ECNDM Ra RC HES p 4 5 F ncti n l Principle has nas kun xYRERU R EAE EU NM ES daSNUR Us Ex IE ENS p 4 5 6 MOUNUNG p 7 9 Mounting PrINGIDIG usikesmaat bru ae sea senaxencetesscwaesseesmenassadsauentaaneswcnesapeseceeeits p 7 10 Cutout 8 11 Dimensions H x W x D rere nre n nennen nennen nnns p 8 12 Electrical CODnneclIOD censis p 9 13 Controller Programimllig oou 9 TA WINO DIAGF QU 10 15 Taking Into 11 15 ETa p 11 17 Maintenance amp Cleaning p 12 19 Transportation amp Storage ais VM YE EE YA OG SCREEN p 13 T9 Parts CO NS ON NUN NUN AUN NUR NER p
4. SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 12 17 Maintenance amp Cleaning Danger from Electrical Voltage Maintenance and cleaning must be carried out by specialists electricians The personnel must ensure that for the duration of this work the unit and the cabinet are disconnected from the electrical supply and protected against unauthorized reactivation Danger Through Incorrect Work on the Unit The instructions in the cabinet manufacturer s manual must be adhered to Damage to the Unit Through Maintenance and Repair Maintenance and repair must be carried out by the manufacturer or another specialist Fan Replacement The rated life expectancy of the fan is L10 30 000 hours under normal operating conditions To replace the internal or external fan please proceed with the following Remove the internal access panel by unscrewing the 10 fixing screws Disconnect the blower cables from the connectors e Unscrew the four screws fixing the blower bracket to the cabinet Unscrew the fan from the bracket Re assemble with the new blower in reverse order Make sure that the blower cable length is the same as the one on the fan removed to ensure that the cable does not come in contact with the blower while in operation Make sure that the correct polarity is maintained refer to circuit diagram Inspect and if necessary replace the internal access panel sealing tape back to top Your Enclosure Source
5. Saginaw MI 48638 5770 Phone 989 799 6871 Fax 989 799 4524 sce saginawcontrol com back to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 20 Warranty Limits of Liability All goods manufactured by SCE shall be warranted to be free of defects in material or workmanship for a period of two years from the date of shipment Should the product be proven to SCE to be defective we shall option to repair or replace the product At no time will SCE reimburse purchaser for unauthorized rework on any product Air Conditioners amp Heat Exchangers are warranted on parts and service for a period of two years from the date of shipment by Saginaw Control and subject to the following conditions and exclusions All Goods must be installed and operated according to the following specifications Maximum voltage variation no greater than plus or minus 10 of nominal rating Maximum frequency variation no greater than plus or minus 3 Hz from nominal rating Must not exceed minimum and maximum rated temperatures Must not exceed BTU Hr rating Filters must be cleaned regularly Must be installed and grounded in accordance with all relevant electrical and safety codes as well as the National Electric Code and OSHA rules and regulations Must be installed in a stationery application free of vibration Our warranty does not warranty product that has been modified subjected to abuse negligence in operation or m
6. ack to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 4 Technical Information Concise Unit Description Heat Exchangers are used where the heat generated by energy losses in control cabinets must be conducted away to protect temperature sensitive components The characteristics graph shown in the Performance Characteristics section applies to external ambient air as the coolant In Air to Air Heat Exchangers the internal temperature of the control cabinet cannot be cooler than the ambient temperature There are natural limits to the cooling performance dependent on the air supply temperature and the requirement for a temperature difference of at least 9 F Unlike systems in which the heat generated is allowed to escape by air convection through ventilation slots with the Heat Exchanger the clean air inside the control cabinet is prevented from mixing with the air outside which may well be unclean 5 Functional Principle Functional Principle The Heat Exchanger is a cooling device that creates a heat transfer through a large area of thin aluminum sheet metal folded up in the Heat Exchanger core by means of forced convection Used within an enclosure it uses the ambient air as the cooling medium thus avoiding the utilization of refrigerant The cooling performance of the Heat Exchanger is dependant on the ambient external air temperature The internal fan is set to be always on The e
7. aintenance or if product is used in a manner that exceeds its designed capabilities and rating Warranty related claims will be returned to the factory for evaluation and final disposition of the claim any replacement parts will be invoiced at standard pricing and credit issued for the returned product If the product has been found to have been modified subjected to abuse negligence in operation or maintenance or if product has been used in a manner that exceeds its designed capabilities and rating credit may be reduced denied or additional cost may be assessed and passed on to the purchaser such as return freight back to top Your Enclosure Source 14
8. ally open please modify value of parameter H1 H1 2 Modifying Controller Parameters 1 Press the SET button for more than 3 sec if there are active alarms mute the buzzer The display shows the parameter code PS password 2 Only for parameters requiring password Press the SET button to access the password setting use the UP and DOWN buttons to scroll the numbers until displaying 22 default password to access the parameters press the SET button to confirm the password 3 Use the UP and DOWN buttons to scroll the parameters The LED corresponding to the category of parameters will be on 4 Press SET to display the value associated with the parameter 5 Increase or decrease the value using the UP or DOWN button respectively 6 Press SET to temporarily save the new value 7 Press the SET button for more than 3 sec to permanently save the new parameters and exit the parameter setting procedure If no button is pressed for 60 sec all changes made to the parameters temporarily saved in the RAM will be cancelled and the previous settings restored The cooling unit manufacturer is in no way liable for any alterations the customer may make to the factory set parameters unless the manufacturer has authorized the customer in writing to change them This manual is intended as quick reference for controller programming for a full controller manual or if you need to restore the factory parameters please go to our website to downl
9. er Please note that the setting for the alarm signal should be at least 41 50 F higher than the setting for the cabinet internal temperature Check that the new adjustment meets the necessary requirements If necessary repeat the procedure Inspect and if necessary replace the MCB Access plate sealing tape 16 Repair Failure Condition Cause Soo Internal fan does not work Power not connected Verify power supply Enclosure temperature is below setting temperature St Internal fan works external fan does not work Door switch contact is open Verify door switch Unit Does Controller does not work Replace controller Not Cool Internal fan works external fan does not work Display shows alternating OFF and temperature External fan does not work Replace external fan replaced Enclosure Fans external and internal Enclosure needs a bigger l Unit cooling undersized i Overheating work all the time cooling unit Ensure door is closed add a door switch and connect it to controller Excessive E Enclosure IP degree minimum l Condensate IP54 Seal openings on enclosure Door enclosure closed Seang Repair strip accordingly Verify values of parameter St The sequence of the phases inside the power supply connector is incorrect Change phases inside power supply connector Ambient air gets into the Door enclosure open enclosure back to top Your Enclosure Source
10. it If necessary the cabinet mounting surface should be reinforced 9 Mounting Principle Heat Exchanger Mounting Gasket Slotted Stud M6 x 1 Enclosure Washer A6 4 M6 Lock Nut oa fF OO N back to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 10 Cutout Dimensions 7 50 6 00 75 75 75 20 00 10 00 11 Dimensions W D a 7 50 20 16 back to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 12 Electrical Connection Door Switch The unit can be switched on and of via a door contact switch When delivered the door contact terminals are bridged on the female connector To connect the door contact switch remove the bridge and connect door contact switch The contact must be closed when the cabinet door is closed 13 Controller Programming Controller The unit is equipped with a temperature controller which regulates the function of the refrigeration cycle In normal working conditions the display shows the temperature inside the enclosure The controller set point for the interior of the enclosure parameter St St1 is pre set at 95 F and can be adjusted between 68 F and 122 F The High Temperature Alarm parameter AH is preset at 131 F The High Temperature Alarm relay is delivered as normally closed H1 1 If you need to change it to norm
11. ity The information data and instructions contained in this instruction manual are current at the time of going to press We reserve the right to make technical changes to the unit in the course of its development Therefore no claims can be accepted for previously delivered units based on the information diagrams or descriptions contained in this manual No liability can be accepted for damage and production caused by Disregarding the instruction manual Operation error e Inappropriate work on or with the unit he use of non specified spare parts and accessories Unauthorized modifications or changes to the unit by the user or his personnel Saginaw Control amp Engineering is only liable for errors and omissions as outlined in the guarantee conditions contained in the main contractual agreement Claims for damages on any grounds are excluded back to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 3 Safety Instructions Upon delivery the unit is already meeting current technical standards therefore it can be safely taken into operation Only trained specialists are allowed to work on the unit Unauthorized personnel must be prohibited from working on the unit Operating personnel must inform their superiors immediately if any malfunction of the unit becomes apparent Please note that before starting to work on or with the unit a procedure must be carried out inside the cabinet on which
12. lized personnel qualified electricians The personnel must ensure that the cabinet is disconnected from the electrical supply for the duration of the mounting operation Therefore take the cabinet out of operation following the relevant instructions before mounting work commences Danger Through Incorrect Work on the Unit Only specialists are allowed to put the unit into operation Mounting Preparations Several points must be checked before the unit can be mounted These checks must be made to ensure safety and the trouble free operation of the unit These checks must be carried out with absolute thoroughness to ensure that the unit works perfectly Transport Damage Check Upon delivery the carton containing the unit must be examined for signs of transport damage Any transport damage to the carton could indicate that the unit itself has been damaged in transit which in the worst case could mean the unit will not function Location and Space Requirements The location of the cabinet must allow for sufficient air circulation to and from the unit The unit should be mounted roughly horizontally It is therefore advisable to check that the cabinet is in a horizontal position The max deviation from the vertical or horizontal should not exceed 20 degrees Sealing To guarantee that the unit works perfectly ensure that the control cabinet is completely sealed min NEMA 12 and that a good seal exists between the control cabinet and the un
13. oad the full manual or to locate your nearest servicing office back to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 10 14 Wiring Diagram IB Internal Blower EB External Blower C Controller T Transformer CC 7 Core Cable AR Alarm Relay X3 Transformer Connector X4 Electrical Supply Connections 230V 1 L1 230V 3 N 120V 1 L1 120V 3 N 460V 1 L1 460V 3 L2 460V 400V 1 L1 400V 3 L2 400V Notes 1 The Capacitor and BN Wire are not present in the SCE HE04W120V 2 The Capacitor and BN Wire are not present in the SCE HE04W120V IB BU BK BN 1 EB GNYE BU BK 1 BN 0 8 2 6 BN P1 p GY P2 GNYE E i BU BK L RD T1 PK mmm T2 back to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 11 15 Taking Into Operation As described in the Technical Information section the unit is controlled in relation to the cabinet internal temperature The required cabinet temperature can be set on the potentiometer on the controller The temperature adjustment range is between 32 F left hand stop and 140 F right hand stop The thermostat is pre set at 95 F To adjust the cabinet internal temperature proceed as follows e Remove the MCB access plate on the front of the unit e Using a screw driver turn the adjustment wheel on the potentiometer TEMP slightly to the right higher or to the left low
14. the unit is to be mounted Before commencing work inside the cabinet the control cabinet manufacturer s instruction must be read with regards to e Safety instructions Instructions on taking the cabinet out of operation Instructions on the prevention of unauthorized cabinet reconnection The electric equipment meets the valid safety regulations One can find dangerous voltage above 50V AC or above 100V DC Behind the control cabinet doors e On the power supply in the unit housing The units have to be fused according to the type plate and the wiring diagram Switch the unit off immediately if the electric power supply is interrupted Danger Through Incorrect Work on the Unit Only specialized personnel are allowed to maintain and clean the unit Regular maintenance and cleaning must be kept in order to ensure that the unit remains in perfect working condition and has a long working life Danger from Electric Voltage Only specialized personnel are allowed to maintain and clean the unit The personnel must ensure that for the duration of the maintenance and cleaning the unit is disconnected from the electrical supply Attention Damage to the unit through the use of inappropriate cleaning materials Please do not use aggressive cleaning material Instruction Damage to the environment through unauthorized disposal All spare parts and associated material must be disposed of according to the environmental laws KE DP b
15. xternal fan is controlled via a controller When the cabinet temperature increases beyond the pre set thermostat temperature the external fan is switched on and the Heat Exchanger starts cooling Cooling stops when the cabinet temperature cools below the pre set temperature Switching difference is 5 4 back to top Your Enclosure Source SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 6 Technical Data Part Number Specific Performance Operating Temperature Range Mounting Housing Material Dimensions H x W x D Weight Rated Operating Voltage Frequency Rated Current Starting Current Power Consumption Fuse Rating Connection NEMA Protection Class Approvals Industry Standards Your Enclosure Source SCE HE04W120V 4 WIF 23 F 131 F External Mild Steel Powder Coated 20 00 x 7 50 x 5 95 inch 14 Ibs 120 V 50 60 Hz 0 48 A 0 70A 55 W 1 6 A T 70 inch Connection Cable NEMA 3R amp 12 CE cURus IS22 back to top SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 7 Performance Graph Enviro Therm Heat Exchangers 4 W F Performance Curve SCE HE04W120V T Temperature difference between ambient and internal temperature P Heat Exchanger performance AT 18 12 7 1 4 10 16 21 27 P BTU hr back to top SAGINAW CONTROL amp ENGINEERING A C USER MANUAL 8 Mounting Danger from Electrical Voltage The unit must be mounted by specia
Download Pdf Manuals
Related Search