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Dectron LD Series Installation Manual

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DS and LD Series Dehumidifiers
Installation Manual
Dectron Co.
Dectron.com

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Summary of Contents for Dectron LD Series

  • Page 1 DS and LD Series Dehumidifiers Installation Manual Dectron Co. Dectron.com...

  • Page 2: Table Of Contents

    Table of Content C - General Information D - Delivery and Storage  Receiving checklist.  Shipping Damage handling  Storage E - Mechanical Installation  Lifting and Rigging  General Mechanical Installation Requirements General Placement of the Equipment Indoor Dehumidifier Installation Outdoor Dehumidifier installation ...
  • Page 3 Table of Content (cont-d) H - Electric Connection: Power, Control and Communication  Electrical Connection – General Consideration  Equipment Main Power Connection  Outdoor Air Condenser and Fluid Cooler Power and Control Connection  Field Wiring – External Control and Communication Fire/Smoke Detecting System Interlock Operator Panel Local and Remote Installation External BMS and WebSentry Communication...

  • Page 4: C - General Information

    This manual provides basic information about various installation aspects of the applicable Dectron Co. (Dectron) dehumidifier and its additional and auxiliary systems and devices (outdoor condenser, fluid cooler, communication interfaces, etc.) Important information regarding operation, maintenance, and start up can be obtained at Dectron (see Contact Us below). Operating Safety (Warnings, Cautions, and Notes)
  • Page 5 NOTE. Dectron equipment is provided with comprehensive conditional warranty coverage. Any warranty work to be reimbursed must be approved by Dectron Service Team prior to work commencing. Installation, start up, maintenance etc. are not within warranty scope. Refer to the Dectron standard warranty statement for more details on warranty conditions, scope and coverage.

  • Page 6: D - Delivery And Storage

     Check the tightness of bolts on the fan structure and coils  Inspect fan isolator shipping brackets Shipping Damage Handling Dectron ships freight on board (FOB), meaning that the equipment belongs to the customer as soon as the delivery truck leaves the factory. Note: Dectron is not responsible for any shipping damage.

  • Page 7: Storage

    – it is not a suitable protection for short or long-term storage.  If long-term storage is required, warranty aspect should be considered. Refer to the Warranty section of Operation and Maintenance Manual for more details. Please contact Dectron if you have any questions. April, 2018 INM.XX.X.00...
  • Page 8 Lifting and rigging must be done by trained professionals in accordance with proper lifting techniques and safety procedures. Proper lifting machinery and tools and safety equipment (PPE) must be used. Improper lifting may cause equipment damage, serious injury, or death. Dectron Technologies Inc. is not responsible for the improper use of lifting equipment.

  • Page 9: E - Mechanical Installation

    E – Mechanical Installation General Mechanical Installation Requirements Equipment (dehumidifier, outdoor condenser, fluid cooler, etc.) should be installed in accordance with respective local Codes and There are several general key installation points Regulations as well as applicable submittal documentation. General Placement of the Equipment ...

  • Page 10: Louvers Installation

    E – Mechanical Installation Outdoor Dehumidifier – Louvers Installation To protect outdoor-installed dehumidifier openings (outdoor air intake, exhaust air discharge, etc.) against elements, louvers are installed or provided separately for field installation. If latter is the case:  Uncrate/unwrap provided louver and place it over respective opening/damper (Pic. E.3): Larger louvers require two persons to lift and place the louver Dehumidifier with larger louvers also have louver support lip over the damper.

  • Page 11: Outdoor Air And Exhaust "Door/Louver" Assembly Installation

    E – Mechanical Installation Outdoor Dehumidifier – Outdoor Air and Exhaust “Door/Louver” Assembly Installation For shipping purposes, the OA and Exhaust Louver(s) may be shipped on the top of the dehumidifier and will require field installation (see Pic. E.5). This normally applies to outdoor DS020-DS040 series dehumidifiers. ...

  • Page 12: Outdoor Condenser And Fluid Cooler Mechanical Installation

    E – Mechanical Installation Outdoor Condenser (OACC) and Fluid Cooler (OAFC) Mechanical Installation The requirements outlined in General Placement of the Equipment (see above) apply to all models of OACC/OAFC.  It is recommended to anchor light-weighted OACC/OAFC to the horizontal mounted surface (concrete pad etc.). This applies to all OACC models and some OAFC models (NG-Z and NG-V-01, -02, -11 and -12).
  • Page 13 E – Mechanical Installation  OACC model NC-B assembly is shown on Pic. E.7B below: Uncrate/unwrap the condenser and mounting kit. Assemble left and right mount legs as shown with provided bolts, nuts, and washers (except for joint point (a) – it must be bolted to the condenser) Align holes (a) and (b) in the mount legs with the holes in the condenser and attach them with provided bolts, nuts and washers.
  • Page 14 E – Mechanical Installation Pic. E.7C INM.XX.X.00 April, 2018...

  • Page 15: Mechanical Installation - Special Cases

    For shipping purposes, larger (7 HP and up) direct-driven main blower frame springs are affixed with shipping brackets (see Pic. E.8). This normally applies to LD series dehumidifiers only.  Upon installation remove ONLY lower bolt from all four corners (detail A) at the frame base - removing these bolts ensures that the blower vibration is dampened correctly.

  • Page 16: O "Split-Deck" Dehumidifier - Mechanical Field Disassembly And Assembly

    E – Mechanical Installation “Split-Deck” dehumidifier (“Double-Decker”) – mechanical field disassembly and assembly If requested, “Double-decker” (stacked) dehumidifiers are provided with means for site disassembly (splitting top deck from the bottom for shipping/delivery purposes) and assembly afterwards. Refer to Disassembly and assembly Instructions, provided with the dehumidifier! CAUTION! Before removing top deck from the bottom,...

  • Page 17: O "Split-Cut" Dehumidifier - Mechanical Field Assembly

    E – Mechanical Installation “Split-Cut” dehumidifier – mechanical field assembly Under special conditions, the dehumidifier may be split into two or more sections to ease the installation and delivery process. Refer to the dehumidifier submittal drawings and Disassembly and Assembly Instructions, provided with the dehumidifier (instructions include mechanical, piping, and electrical guidance for reassembly).

  • Page 18: F - Ductwork Connection

    Ductwork Connection WARNING! All work must be done by qualified personnel in accordance with local and national Codes, Standards and Regulations as well as respective design/submittal documentation and Dectron recommendations. CAUTION! Obtain all necessary documentation (Dectron documentation, submittal documentation, drawings etc.) and familiarise yourself with it before performing installation or any other related tasks.

  • Page 19: Duct Connection - Special Cases

    F – Ductwork Connection Duct Connection – Special Cases Supply Air ductwork connection – SA Temperature Sensor installation. Some dehumidifiers may require SA (supply air) temperature sensor to be installed in the duct after duct is connected. In this case dehumidifier SA temperature sensor, tagged “SUPPLY AIR TEMP SENSOR TO BE INSTALLED IN DUCT”...

  • Page 20: G - Piping Connection

    WARNING! All work must be done by qualified personnel in accordance with local and national Codes, Standards and Regulations as well as respective design/submittal documentation and Dectron recommendations. CAUTION! When connecting the equipment to external mechanical and electrical systems, refer to submittal documentation and equipment labels and stickers for piping connection details.
  • Page 21 Pic. G.2 shows an example of a generic pool water piping schematic. NOTE: this schematic is an example only - design, provision and installation of actual pool water piping is not Dectron’s responsibility and is to be done by a third party. OACC/OAFC connections...

  • Page 22: Outdoor Air Condenser Piping

    G – Piping Connection Outdoor Air Condenser Piping (NC models) Current sub-chapter applies to outdoor condensers NC models, serving DS series dehumidifiers. Line Set Selection and Sizing  Refer to dehumidifier and/or condenser main labels for line set sizing (both, max line set length and pipes’ diameters): note that line set pipe diameters may differ from respective piping connections size at the dehumidifier and condenser –...
  • Page 23 NOTE: The piping schematics shown on Pic. G.4, are example only - the design, provision, and installation of actual condenser line set is not Dectron’s responsibility and is to be done by a third party. Pressure Testing, Evacuating and Charging ...

  • Page 24: Fluid Cooler Piping

    Pump package (if fluid cooler is equipped or provided separately with one) typically includes pump with pressure gauges and expansion tank; same applies to LD series dehumidifiers (pump with pressure gauges and expansion tank would normally be part of the dehumidifier).
  • Page 25 G – Piping Connection Pressure Testing and Charging  Refer to the fluid cooler and/or dehumidifier’s main label and submittal documentation for operating pressure and cooling media selection. Typically, mixture of food grade propylene glycol (with rust inhibitors added) and distilled water is used as a cooling fluid.

  • Page 26: Other Piping Systems And Special Cases

    G – Piping Connection Other Piping Systems and Special Cases Space Heating and Space Cooling Hydronic Systems Requirements, outlined in Piping Connection General Considerations (see above), apply to all types of space heating and/or space cooling fluid systems (water, glycol, etc.) – refer to respective piping termination labels (IN/OUT), main label (for line sizing) etc.

  • Page 27: Remote Gas Boiler Package Installation And Piping Connection

     could be provided completely empty or partially charged: be aware of refrigerant content in the circuits and the way circuits were split at the factory. Typically, if the dehumidifier is partially charged (normally, LD series):   Compressor(s) and receiver(s) valves are closed and ...

  • Page 28: H - Electric Connection: Power, Control And Communication

    (Pic. H.1(a)) – disconnect would be factory-wired to the PDB or devices directly. Normally, Bring power here OACC and OAFC are equipped with disconnects, as well as most LD series dehumidifiers.  Verify that proper voltage and number of wires (single -phase Vs three-phase –...

  • Page 29: Outdoor Air Condenser And Fluid Cooler Power And Control Connection

    H – Electric Connection  Dehumidifier with electric heaters and single-point power connections Power to dehumidifier must have one power wires set brought to PDB (normally labeled “L1-L2-L3), located in electric heater (see Pic. H.2).  Dehumidifier with electric heaters and dual-point power connections must be powered separately from electric heater - one set of power wires brought directly...

  • Page 30: Fire/Smoke Detecting System Interlock

    H – Electric Connection CAUTION! Dehumidifier control board is designed to operate with 24VAC and 24VDC circuitry only! Connecting higher voltage circuitry to the dehumidifier control board can cause failure or malfunction of the board and/or other connected devices! Some of the most common systems/devices, connected to dehumidifier, are various BMS (Building Management System), local safety systems (fire and smoke detection) and dehumididfier remote operator panel (ROP).

  • Page 31: External Bms And Websentry Communication

    H – Electric Connection Pic.H.4 Table H.1 Control Board terminals/pins (Pic. H.3) RJ-45 Pinout (cable wires layout) (Pic. H.4) Function JCOM T-568A T-568B 24VDC power (24+) Blue & White-Blue Blue & White-Blue 24VDC common (DCC) Brown & White-Brown Brown & White-Brown Serial port RS485 (485+) White-Green White-Orange...
  • Page 32 H – Electric Connection BACnet MSTP communication is established over RS-485 serial port:  Connect two wires to pins 5 and 6 on J8 terminal (see Pic. H.3): use twisted-pair wires only; If both, ROP and BACnet MSTP, connection is required – connect BACnet MSTP on terminal J8 as described above and relocate ROP connection –...

  • Page 33: Field Wiring - Special Cases

    H – Electric Connection Field Wiring – Special Cases WARNING! Some equipment, for various (installation, logistics, etc.) reasons may be provided partially disassembled (“split”) or would require site disassembly and reassembly afterwards. Do not power such equipment without verifying that all power and control connections are re-established correctly! “Split-Deck”...

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