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- Installation And Operation Manual
B&C DE Series Installation And Operation Manual
Summary of DE Series
Page 1
Dryer de series installation and operation manual march 17, 2014 revision 1.7.
Page 2: Contents
Contents 1 important safety information 1 1.1 for your safety - caution! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 important instructions 3 2.1 before attempting repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2 parts ordering information . . . . ....
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3.9 fresh air requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4 operation 25 4.1 heat circuit operation test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.2 operating instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4: Chapter 1
Chapter 1 important safety information 1.1 for your safety - caution! Warning: for your safety the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury or death. • do not store or use gasoline or other flammable vapors a...
Page 5
Figure 1.1: de product family 2.
Page 6: Chapter 2
Chapter 2 important instructions 2.1 before attempting repairs moving parts can cause serious injury or death. Before attempting repairs, follow proper shut- down procedures, remove power, and allow the machine to fully cool before commencement of service. Safety is of primary concern with any maint...
Page 7: 2.2
Figure 2.1: serial decal read, follow, and obey these safety rules! The b&c technologies technical service department is available to answer any questions you may have about the operation and servicing of your machine. Please call with any questions or concerns about the operation of your machine. 2...
Page 8: 2.3
Figure 2.2: key symbols 2.3 key symbols anyone 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: 2.4
Figure 2.3: key symbols 2.4 safety information installation notice: for personal safety and for proper operation, the machine must be grounded in accordance with state and local codes and in the usa in accordance with the national electric code, article 250-96. Elsewhere, the equipment should be gro...
Page 10
6. Never attempt to service the machine while it is running. Never reach over, under, around, or behind any safety device, or into any area near moving parts or hot surfaces without shutting off power and allowing the machine to adequately cool. 7. Read, understand, and follow all safety instruction...
Page 11: Chapter 3
Chapter 3 installation 3.1 receiving inspection upon receipt of the equipment, visually inspect for shipping damage and note any damage with the carrier before signing the shipping receipt, or advise the carrier of the damage as soon as it is noted. If damage is discovered, a written claim must be f...
Page 12
Figure 3.1: de gas general specifications 9.
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Figure 3.2: de-30 utility connections 10
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Figure 3.3: de-50/75 utility connections 11.
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Figure 3.4: de-120 utility connections 12.
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Figure 3.5: de-170 utility connections 13.
Page 17: 3.2
Figure 3.6: gas/steam heat electrical requirements figure 3.7: electric heat electrical requirements 3.2 electrical installation electrical connections should be made by a qualified electrician in accordance with all applicable codes or requirements. Use a separate branch circuit to power each machi...
Page 18: 3.3
Figure 3.8: gas plumbing detail 3.3 gas connection 3.3.1 gas supply line • 1” ips pipe is recommended. • 1” approved tubing is acceptable for lengths under 25 ft (6.1 m) if local codes and gas supplier permit. • must include 1/8” npt minimum plugged tapping accessible for test gauge connection, imme...
Page 19: 3.4
An elbow and a 1” flare x 1” npt adapter fitting between the stainless steel gas connector and the gas inlet of the machine as needed to prevent kinking. Option 2: other approved piping: lengths under 25 feet (6.1m) use 1” approved tubing. Lengths over 25 feet (6.1m) should use larger piping. Pipe j...
Page 20: 3.5
Important: insulate all steam and return lines for the safety of the operator and service technician. Important: all steam components must be rated for a minimum of 200 psi (14 bar) working pres- sure. Shut off valves must be installed upstream of the steam inlet, and downstream of the steam trap so...
Page 21: 3.5.1
Table 3.2: de series compressed air requirements compressed air pressure minimum 70 psi nominal 80 psi maximum 90 psi air connection to system — 1/8-inch n.P.T. No air regulation or filtration is provided with the dryer. External regulator and filtration must be provided. It is suggested that a filt...
Page 22
Figure 3.9: de-120/170 steam damper operation figure 3.10: de-120/170 steam damper adjustment 19.
Page 23: 3.7
Figure 3.11: de series - proper exhaust is critical for safety! Be blocked. Blocking the air inlets prevents proper combustion, and will yield poor results, and possibly harmful combustion byproducts. See recommended exhaust style in figure 3.12 on page 21. Important: do not interrupt the flow of ma...
Page 24: 3.8
Figure 3.12: de series - exhaust detail figure 3.13: fire suppression water connection warning: do not store flammable materials near the dryer. Warning: do not allow lint to accumulate in or around the dryer. Lint is highly flammable. Warning: do not allow the exhaust or fresh air supply to be rest...
Page 25
Figure 3.14: de series bulkhead installation details 22.
Page 26: 3.9
Figure 3.15: de series make up air detail located a minimum of 12 inches above the top of the dryer. Important: even though a minimum of 12 inches is required, 18 inches or more is suggested, for steam dryers and especially in cases where sprinkler heads are over the dryers. Note: when fire sprinkle...
Page 27
Is distributed equally to the 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: Chapter 4
Chapter 4 operation the following items should be checked before attempting to operate the dryer: 1. Read and follow caution, warning and direction labels attached to the dryer. 2. Check incoming supply voltage to be sure that it is the same as indicated on the dryer serial decal. 3. Gas models – ch...
Page 29: 4.1
All dryers are thoroughly tested and inspected before leaving the factory. However, a pre- operational test should be performed before the dryer is placed into service. It is possible that adjustments have changed in transit or due to marginal location (installation) conditions. 1. Turn on electric ...
Page 30: 4.2
I. The steam damper should not ”slam” (open or closed) when it reaches the end of (piston) travel. Additionally, the steam damper should not bind and/ or stop during travel. If either of these conditions occur, the flow control must be adjusted. Make a complete operational check of all safety-relate...
Page 31
(b) select heat level: i. No heat ii. 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: Chapter 5
Chapter 5 troubleshooting 5.1 no heat familiarize yourself with the call for heat path as highlighted on the portion of the schematic, fig- ure 5.3 on page 32, and the simplified flow chart shown in figure 5.1 on page 30. Figure 5.2 on page 31 has a troubleshooting flow chart which will enable you t...
Page 33
Figure 5.1: simplified call for heat path 30
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Figure 5.2: detailed call for heat path 31.
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Figure 5.3: call for heat path schematic figure 5.4: mechanical timer start path 32.
Page 36
(b) check the function of the door closed switch. 3. Is the lint door or drawer completely closed? (a) close the lint door or drawer. (b) check the function of the lint door/drawer switch. 4. Has the transformer primary or secondary circuit breaker tripped? (a) reset circuit breaker. (b) determine w...
Page 37: Chapter 6
Chapter 6 maintenance 6.1 warranty for a copy of the commercial warranty covering your particular dryer(s), contact the distributor from whom you purchased the equipment and request dryer warranty form, or visit our website: www.Bandctech.Com note: whenever contacting b&c technologies for warranty i...
Page 38: 6.2
4. All returns must be properly packaged to insure that they are not damaged in transit. Dam- age claims are the responsibility of the shipper. Important: no replacements, credits, or refunds will be issued for merchandise damaged in transit. 5. All returns should be shipped to b&c technologies in s...
Page 39: 6.2.3
Clean lint accumulation from lint chamber, thermostat, and microprocessor temperature sensor (sensor bracket) area. Warning: to avoid the hazard of electrical shock, disconnect electri- cal supply. Steam dryers clean steam coil fins. Suggest using compressed air and a vacuum cleaner with brush attac...
Page 40: 6.2.4
Operational check of controls and valves. Complete operational check of all safety devices (door switch, lint drawer switch, sail switch, burner and high limit thermostats). 6.2.4 lubrication 1. Impeller (fan/blower) shaft bearings should be lubricated every three (3) months. Use a lithium complex b...
Page 41: Chapter 7
Chapter 7 decommisioning in the event that the machine must be decommissioned, follow these steps: 1. Clean interior of machine, both basket and shell. 2. Disconnect electrical power. (a) shut of main power supply at the breaker box or main control panel. (b) do not attempt to disconnect power suppl...
Page 42: Chapter 8
Chapter 8 appendix 8.1 gas conversion technique follow the following procedure in order to convert a de series dryer from natural gas to lp or vice versa: 8.1.1 converting gas types, de-30 refer to figure 8.2 on page 41 for details. Important: when changing gas types, burner orifices/nozzles must al...
Page 43: 8.1.2
Figure 8.1: de series burner detail 11. Restore gas and electricity. 12. With burner operating, immediately check for leaks with soap solution. 8.1.2 converting gas types, de-50 and larger de-50 and larger machines will require p/n 250-304 regulator kit for propane, or p/n 250-306 regulator kit for ...
Page 44: 8.1.3
Figure 8.2: de-30 gas valve regulator assembly figure 8.3: de-50 and larger gas valve regulator assembly 8.1.3 regulator adjustment 1. Turn gas cock off. 2. Remove pressure tap plug, located on the manifold side of the valve near the attaching pipe. 3. Attach the proper fitting and connect a manomet...
Page 45
Table 8.1: de series gas nozzles model qty natural gas propane blank standard 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 ...