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Dectron DRY-O-TRON DA2 007 Onwers Manual And Installation Instructions

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Owners Manual
DA2
007
016
024
035
045
054
070
For future reference, write your model number here
Dectron, Inc.
November 2009
FOR MODELS
DV2
007
016
024
write your serial number here
write your ref number here
______________
______________
______________
Data subject to change without notice.
1

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Summary of Contents for Dectron DRY-O-TRON DA2 007

  • Page 1 Owners Manual FOR MODELS ______________ For future reference, write your model number here ______________ write your serial number here ______________ write your ref number here Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 2 Dectron unit only. All other rights are retained by Dectron. USER AGREEMENT: Where any differences exist between the named electronic file obtained directly from Dectron, Inc.
  • Page 3 Piping with quality, reliability and energy savings. Wiring Unit-Duct Connections Dectron Inc., the inventor of DRY-O-TRON®, is a company committed to being the absolute best at what they do -- pro- Startup viding leading expertise and quality products to customers Pre-Startup Adjustments who need to control high humidity efficiently.
  • Page 4 The resulting water droplets fall into the collection pan, and flow out through the condensate pipe (by others). Supply Air Room Air DECTRON Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 5 MAX. LENGTH OF REF. LINES (ONE WAY) BETWEEN D.O.T. & REMOTE CONDENSER: LINE SIZE: HOT GAS: AIR COOLED COND. MODEL #: LIQUID: Nameplate specifications supersede any other specifications or statements found in this manual. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 6 DA2 Series Dehumidifier Owners Manual Warnings, Cautions, Notices The information presented in this section represents Dectron’s best effort as of the time of issue. This NOTICE information should be considered in receiving, unloading, transporting, installing, and operating the equipment. Dectron does not warrant that this information is complete for any particular application. Where job- specific modifications were required, those changes whill be documented in addenda shipped separately.
  • Page 7 Freezing or other abnormal conditions could cause leakage or overflow. Uncontrolled water can cause expensive damage to buildings and other equipment. Do not locate this product above any equipment that could be damaged by water. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 8 Inspect your unit immediately for shipping damage. Claims for shipping damage must be made with the ship- ping company. Dectron is not responsible for shipping damage. Your unit has been factory tested for proper operation. Inspect the unit carefully upon arrival.
  • Page 9 P-traps without alarm. The alarm should notify person- consulting Dectron. Be sure to fill the nel of a problem with condensate IMPORTANT! P-trap before starting the unit. Failure removal.
  • Page 10 Outdoor units must be firmly fastened to prevent movement. Where large units must be installed overhead, provide suitable under-base support with a service mezzanine. The support must include horizontal stabilization. Dectron, Inc. November 2009...
  • Page 11 Units should be installed so that supply air is released 15 to 25 feet (4.6 to 7.6m) above the ice surface. 15 to 25 ft. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 12 Standard galvanized steel duct is contact Dectron for assistance. unit, and to prevent unit vibration recommended. from being transmitted to the duct- Air velocities should be kept low All elbows near the unit must be work.
  • Page 13 Always install flexible duct connection. or more WRONG RIGHT Reduction of airflow will result Sufficient straight length allows proper air flow. from the elbow being too close. Flexible duct connection absorbs vibration. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 14 Check local codes for allow- a check valve to prevent backflow. able procedures. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 15 Where codes, ordinances, and the findings of your local code- HOT GAS: AIR COOLED COND. MODEL #: LIQUID: enforcement authorities are more restrictive than these recommendations, the codes, ordinances, and official findings take precedence over these recommendations. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 16 ±10% of the nameplate voltage (NEMA MG-1), that all three phases are present, and that the phase sequence is correct. (See Delay (sec) Vmin (%Ue) Diagnostics.) Correct as necessary. Delay (sec) Ue (VAC) Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 17 Some units may be equipped for use with a terminal 6 remote humidistat, shipped loose. In this case, wire the humidistat as shown. humidistat Refer to the mounting and wiring instructions with the humidistat. terminal 7 Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 18 If necessary, separate them with plastic spiral wrap, rubber pads, or silicone caulk. Carefully test all refrigerant tubes and components for leaks, using a reliable eletronic leak detector. Repair all leaks as necessary. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 19 Serial No. ________________ your mum straight lengths. (See Ref. No. _________________ initials Installation - Ducts. ) _ _ _ - _ _ _ _ Completed by _________________________________ Ph. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 20 To disable a START. motor, press STOP. To disable a motor, press STOP. START STOP STOP START STOP START DECTRON NOTICE Risk of unit damage. Call Dectron before changing the trip points. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 21 (especially the ends) against the turbulent airflow Insulation that will form inside the cabinet. GO TO NEXT PAGE. Cable must be able to reach outside the unit cabinet. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 22 BETWEEN D.O.T. & REMOTE CONDENSER: LINE SIZE: AIR COOLED COND. MODEL #: HOT GAS: LIQUID: My refrigerant is Taking care not to damage the temperature-sensor wires, close all access doors an panels. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 23 3. Check the return-air temperature and the temperature of the air leaving the cooling coil. Depending on the space temperature and relative humidity, there should be a temperature difference of 19°F (10.5°C) to 25°F (13.9°C) across the cooling coil. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 24 The oil may appear slightly foamy until 30 minutes after the expansion valve is properly adjusted. After the expansion valve(s) is adjusted, the oil should not appear foamy. If the oil appears to be foaming after 30 minutes of operation after the expansion valve is adjusted, contact Dectron. Data subject to change without notice.
  • Page 25 Once startup is completed, all portions of the “Startup Report and Warranty Registration” form must be completely filled in and a copy must be sent to the Dectron factory in order to register and validate the warranty. A copy can be faxed to the factory office at 514-334-9184.
  • Page 26 3. If the sight glass has been clear for at least 20 minutes, adjust the expansion valve(s) to cause the compressor discharge temperature to agree with the charts on the following page. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 27 66°C to 79°C 66°C to 79°C 180°F to 205°F 170°F to 195°F 160°F to 185°F 160°F to 185°F 80°F (26.7°C) 82°C to 96°C 77°C to 91°C 71°C to 85°C 71°C to 85°C Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 28 In some cases Dectron may be able to provide Dectron personnel to supervise the startup procedure for a fee. In this case, the Dectron employee will travel to the site and supervise, guide, and assist the contractor in the start- up.
  • Page 29 Startup Report & Warranty Registration within 1 week after startup. Begin with the unit turned OFF. See safety warnings on a previous page. Installation Name: Installation Address: Dectron Representative Firm: See unit nameplate for the following information: Unit Unit Unit...
  • Page 30 Δ Clean the coils with a solution of mild soap in warm water. Do not use corrosive cleaning agents. Δ Increase the frequency of filter replacement. Dirty filters leak dirt onto the coils. In the event of an extended shutdown, contact Dectron for a copy of Appendix M4 - Storing Units. Dectron, Inc. November 2009...
  • Page 31 Compressor #2 _____ °F Compressor #2 _____ °F charge temperature Electrical terminals tight? Electric motors lubricated? Blower bearings OK ? Air-side heat- transfer coils clean? Model _______________ Serial Number _______________ Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 32 Enable the units one to two hours before the ice rink is to used, and leave them running continuously during the active period or whenever high humidity is a problem. Do not allow the condensate line to freeze. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 33 (ducted units) poor return-air Return ducts (if any) must be as large as the ductwork attachement flange on the unit for a minimum length of 2.5 duct diameters before the unit. See Installation-Ducts. Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 34 Do not operate above 80°F (27°C). clogged condenser Contact Dectron for cleaning suggestions. Do not operate for any length of time without all air filters in place. restricted manual valve (if any) Fully open all manual valves.
  • Page 35 Reset pressure switch. If fault re-occurs, consult a qualified technician. high-refrigerant-pressure fault Reset pressure switch. If fault re-occurs, consult a qualified technician. Check fuse. Replace as necessary. control-circuit fuse open Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 36 AIR TEMP.: °F R.H.: R-22 TOTAL SYSTEM CHARGE: MAX. LENGTH OF REF. LINES (ONE WAY) BETWEEN D.O.T. & REMOTE CONDENSER: LINE SIZE: AIR COOLED COND. MODEL #: HOT GAS: LIQUID: Data subject to change without notice. Dectron, Inc. November 2009...
  • Page 37 ON LED Do not adjust the voltage should be on. monitor without the explicit If it is not on, or is flashing, see intructions from Dectron. the following page for more details. Delay (sec) Be sure the Vmin time delay Vmax (%Ue) is set to 10 seconds.
  • Page 38 Voltages below this level will result in motor overheating. Do not Vmax (%Ue) Delay (sec) adjust the voltage monitor without explicit instructions from Dectron. Have a qualified electrician fix the problem and re-apply electrical power. The voltage monitor should be normal as shown above.
  • Page 39 Force Majeure nance, accidents, transportation, Remainder of 25-Month Warranty Dectron Inc. will not be liable for delay or misuse, abuse, fire, flood, alteration Upon expiry of the initial 30-day warran- and/or misapplication of the failure to provide warranty service due to...
  • Page 40 Under this warranty upon expiry of the initial 30-day warranty, and until comple- tion of 34 months from date of shipment from Dectron Inc., if any part supplied by Dectron Inc. fails because of a defect in workmanship or material, Dectron Inc.

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