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Dryer

DE Series Installation and Operation Manual

March 17, 2014

Revision 1.7

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Summary of Contents for DE Series

Page 1: ...Dryer DE Series Installation and Operation Manual March 17 2014 Revision 1 7 ...

Page 2: ... 6 2 5 Installation and Operational Safety Instructions 6 3 Installation 8 3 1 Receiving Inspection 8 3 2 Electrical Installation 14 3 3 Gas Connection 15 3 3 1 Gas Supply Line 15 3 3 2 Gas Supply Connection Requirements 15 3 4 Steam Connection 16 3 5 Steam Damper 17 3 5 1 Steam Damper Operation 18 3 5 2 Steam Damper Air Piston Adjustment 18 3 6 Exhaust Requirements 18 3 7 Plumbing Requirements 20...

Page 3: ...intenance 34 6 1 Warranty 34 6 2 Routine Maintenance 35 6 2 1 Cleaning 35 6 2 2 Maintenance Intervals 35 6 2 3 Adjustments 36 6 2 4 Lubrication 37 6 3 Service Parts 37 6 3 1 Service 37 6 3 2 Parts 37 7 Decommisioning 38 8 Appendix 39 8 1 Gas Conversion Technique 39 8 1 1 Converting Gas Types DE 30 39 8 1 2 Converting Gas Types DE 50 and Larger 40 8 1 3 Regulator Adjustment 41 ii ...

Page 4: ...y appliance Do not touch any electrical switch do not use any phone in your building Clear the room building or area of all occupants Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Co...

Page 5: ...Figure 1 1 DE Product Family 2 ...

Page 6: ...ies Technical Service Department at 850 249 2222 Only trained and experienced personnel should attempt maintenance or repair work on this equip ment Follow all safety procedures including lock out tag out procedures carefully Ensure that any loose fitting clothing or jewelry is tucked in or not worn to avoid being pulled into the ma chine Remember the machine has no brain you must use your own Bef...

Page 7: ... require literature or spare parts please contact your local distributor If a local distributor is unavailable you may contact B C Technologies directly at 850 249 2222 for the name of your nearest parts dealer For technical assistance in the United States contact B C Technologies 850 249 2222 Phone 850 249 2226 FAX parts bandctech com www bandctech com 2 2 1 Nameplate Location When contacting B C...

Page 8: ... operating or servicing this machine must follow the safety rules in this manual Partic ular attention must be paid to the DANGER WARNING and CAUTION blocks which appear throughout the manual and shown in figures 2 2 on page 5 and 2 3 on page 6 5 ...

Page 9: ... 1 or CSA B149 Provisions must be made for adequate make up air and ventilation and access for equipment service and installation 2 5 Installation and Operational Safety Instructions 1 Read all instructions prior to operating this equipment 2 Ensure that the equipment is properly grounded before applying power and operation com mences 3 Do not process goods that have been previously cleaned in soa...

Page 10: ...erials 12 Keep the area near the exhaust ducting clean and free of lint dust dirt or debris 13 Keep the interior and exterior of the machine clean of lint dirt dust and debris The inte rior of the machine along with the exhaust ductwork should be periodically inspected and cleaned to avoid potential fires lint is highly flammable 14 Improper installation operation and maintenance of this machine c...

Page 11: ...led with the carrier as soon as possible Note Warranty is VOID unless the equipment is installed according to instructions The installa tion must comply with the minimum requirements listed in this manual All national state and local codes must be followed including but not limited to gas electrical plumbing and HVAC Due to various requirements statutory codes should be well understood before inst...

Page 12: ...Figure 3 1 DE Gas General Specifications 9 ...

Page 13: ...Figure 3 2 DE 30 Utility Connections 10 ...

Page 14: ...Figure 3 3 DE 50 75 Utility Connections 11 ...

Page 15: ...Figure 3 4 DE 120 Utility Connections 12 ...

Page 16: ...Figure 3 5 DE 170 Utility Connections 13 ...

Page 17: ... and local codes and in the USA in accordance with the National Electric Code article 250 96 The ground connection must be to a proven earth ground not to conduit or water pipes Do not connect the ground to the neutral N leg at the terminal strip if so equipped If a DELTA supply system is used the high leg should be connected to L3 since control voltage is derived from L1 and L2 Insure that the co...

Page 18: ...hutoff valve must be installed within 6 feet 1 8m of the equip ment in accordance with the National Fuel Gas Code ANSI Z223 1 The location should be easy to reach for opening and closing 3 3 2 Gas Supply Connection Requirements There are many methods by which the DE series dryer can be connected to the gas supply Fol lowing are some guidelines for methods of connection Option 1 Flexible stainless ...

Page 19: ...BTU 327 7L for up to 900 000 BTU or equivalent A chattering gas valve indicates improper line pressure not a faulty gas valve Manifold Pressure Secondary Be sure to check the manifold pressure Use a manometer to verify that the manifold pressure matches the information on the serial sticker and the type of gas being used A separate gas regulator locally obtained must be installed if the incoming l...

Page 20: ...least 18 inches 450mm below the inlet and as close to the machine as possible Install the trap according to the instructions with the unit noting the steam flow direction If the steam is gravity returned to the boiler install a vacuum breaker and check valve in the return line near the machine Note that all return plumbing must be below the return inlet To prevent eventual water hammer route all r...

Page 21: ...ot coil providing instant heat to start the drying process When the damper is closed ambient air is drawn directly into the basket tumbler allowing a rapid cool down The diagrams show the damper in the heating open mode allowing heat into the drying cylinder and in the cool down closed mode pulling ambient air directly into the basket tumbler without passing through the coils Note With the dryer o...

Page 22: ...Figure 3 9 DE 120 170 Steam Damper Operation Figure 3 10 DE 120 170 Steam Damper Adjustment 19 ...

Page 23: ...r from the machine and exchange any two incom ing power leads Note Avoid locating the exhaust next to the fresh air supply intake Note Avoid the use of booster fans 3 7 Plumbing Requirements The DE series dryer can be equipped with an optional fire suppression system to reduce the risk of fire in your dryer If so equipped connect the water supply to the 3 4 GHT connection located on the upper righ...

Page 24: ...rear of the dryer be positioned no less than 2 feet 24 inches from nearest obstruction i e wall for ease of installation maintenance and service Bulkheads and partitions should be made from noncombustible materials The clearance between the bulkhead header and the dryer must be a minimum of 4 inches and must not extend more than 4 inches to the rear of the dryer front The bulkhead facing must not ...

Page 25: ...Figure 3 14 DE Series Bulkhead Installation Details 22 ...

Page 26: ...e room air must be continually replenished from the outdoors If the make up air is inadequate drying time and drying efficiency will be adversely affected Ignition problems and sail switch fluttering problems on gas dryers may result The dryer will also likely suffer from premature component failure due to overheating Air supply make up air must be given careful consideration to assure proper perf...

Page 27: ...e dryers Allowances must be made for remote or constricting passageways or where dryers are located at excessive altitudes or predominantly low pressure areas Note Avoid locating the exhaust next to the fresh air supply intake 24 ...

Page 28: ...nctioning 5 GAS MODELS be sure that ALL gas shut off valves are in the open position 6 Be sure ALL back panels guards and electric box covers have been replaced 7 Check ALL service doors to assure that they are closed and secured in place 8 Be sure lint drawer is securely in place NOTE LINT DRAWER DOOR MUST BE ALL THE WAY IN PLACE TO ACTIVATE SAFETY SWITCH OTHERWISE THE DRYER WILL NOT START 9 Rota...

Page 29: ...ause the gas supply piping is filled with air so it may take a few minutes for this air to be purged from the lines b The dryer is equipped with a direct spark ignition DSI system which has internal diag nostics If ignition is not established after the first attempt the heat circuit DSI module will lock out until it is manually reset To reset the DSI system open and close main door and restart dry...

Page 30: ... controls 1 Microprocessor controller computer programs selections a Each microprocessor controller has been preprogrammed by the factory with the most commonly used program selections A listing of factory programs is provided in the control manual shipped with the machine If computer program changes are required refer to the control s programming manual which was shipped with the dryer 2 Dual tim...

Page 31: ...i Perm Press 150 F 65 C iii Low Heat 180 F 80 C iv High Heat 200 F 93 C c Turn Dry Time knob to desired time at least 5 minutes or more d Turn Cool Down knob to desired time must be set or dryer will not start e Press Start button 28 ...

Page 32: ...h machine or available on the B C Technologies website If there is sparking from the ignitor but no ignition check the incoming gas pressure and verify that the locally ob tained main gas regulator has sufficient BTU capacity to supply the machine Maxitrol 325 5AL for up to 300 000 BTU 327 7L for up to 900 000 BTU A chattering gas valve indicates improper line pressure not a faulty gas valve The f...

Page 33: ...Figure 5 1 Simplified Call for Heat Path 30 ...

Page 34: ...Figure 5 2 Detailed Call for Heat Path 31 ...

Page 35: ...Figure 5 3 Call for Heat Path Schematic Figure 5 4 Mechanical Timer Start Path 32 ...

Page 36: ...n of the fire supression thermostat and relay 7 Does the machine momentarily start when the button is pressed but stop when the button is released a Check the function of CR1 latching relay To troubleshoot using the schematic begin by measuring for 24VAC at wire one on the terminal strip located in the front control panel always measure between the wire and a neutral wire not ground Refer to figur...

Page 37: ...following procedures must be followed 1 No parts are to be returned to B C Technologies without prior authorization Return Mate rial Authorization from the factory NOTE An RMA Return Material Authorization is valid for 60 days from date of issue a The RMA issued by the factory as well as any other correspondence pertaining to the returned part s must be included inside the package with the failed ...

Page 38: ...areas of the dryer as well as throughout the duct work system The frequency of cleaning can best be determined from experience at each location Maximum operating efficiency is dependent upon proper air circulation The accumulation of lint can restrict this air flow If the guidelines in this section are met your dryer will provide many years of efficient trouble free and most importantly safe opera...

Page 39: ...nal exhaust ducting Impeller fan blower Belts and drive belts should be examined Cracked and or seriously frayed belts should be replaced Tighten belts when necessary WARNING THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN CRE ATE A POTENTIAL FIRE HAZARD WARNING DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATION AIR CHECK CUSTOMER FURNISHED BACK DRAFT DAMPERS IN EXHAUST DUCT WORK INSPECT...

Page 40: ...be contacted or is unknown contact B C Technologies for a distributor in your area For technical assistance in the United States contact B C Technologies 850 249 2222 Phone 850 249 2226 FAX parts bandctech com www bandctech com NOTE When contacting B C Technologies be sure to supply the correct model number and serial number so that your inquiry is handled in an expeditious manner 6 3 2 Parts Repl...

Page 41: ...an disconnect power to machine at its source 3 Disconnect gas steam supply 4 Disconnect exhaust system 5 Remove the machine from its foundation pad a Keep all panels in place to provide stability when moving the machine b Verify that door is closed and secure c Place the machine on skid and bolt the frame to the skid This will facilitate the removal of the machine on to a truck 6 Recycle The manuf...

Page 42: ...r correct part numbers 1 Turn off gas and electricity to machine 2 Remove slotted cap A adjusting screw B and spring C 3 Install new spring LP Gas spring is pink 4 Install new adjusting screw supplied with kit 5 Remove fitting D and attach manometer adapter and manometer 6 Restore gas and electricity 7 With burner on adjust screw B so that the manometer reads the pressure as reccomended on the ser...

Page 43: ...r p n 250 306 regulator kit for natural gas IMPORTANT When changing gas types burner orifices nozzles must also be changed Refer to table 8 1 on page 42 for correct part numbers 1 Partially depress and turn gas cock dial to OFF 2 Remove refer to figure 8 3 on page 41 a Two screws through regulator b Regulator c Gasket 3 Install Gasket cover plate and 2 screws from conversion kit 4 Turn gas cock to...

Page 44: ...ng and connect a manometer 4 Turn gas cock ON allow main burner to light 5 If adjustment is needed manifold pressure incorrect check serial decal for proper pressure remove regulator cap and turn adjusting screw to change the manifold pressure clockwise to increase pressure counter clockwise to decrease pressure 6 Turn gas cock OFF remove manometer fitting and replace pressure tap plug 7 Turn gas ...

Page 45: ...ard High Alt Standard High Alt DE 30 2 390 010 390 012 390 011 390 013 390 004 DE 50 3 390 006 390 014 390 018 390 015 390 004 DE 75 4 390 006 390 014 390 018 390 015 390 004 DE 120 3 390 016 390 001 390 019 390 017 390 005 DE 170 4 390 016 390 001 390 019 390 017 390 005 42 ...

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