DriSteem RL Series Installation, Operation And Maintenance Manual
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DriSteem RL Series Installation, Operation And Maintenance Manual

DriSteem RL Series Installation, Operation And Maintenance Manual

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RL Series
RL-3, RL-4, and RL-6
Installation, Operation, and
Maintenance Manual
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DEHUMIDIFIER

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Summary of Contents for DriSteem RL Series

  • Page 1 DEHUMIDIFIER RL Series RL-3, RL-4, and RL-6 Installation, Operation, and Maintenance Manual Read and save these instructions...

  • Page 2: Warnings And Cautions

    Warnings and cautions CAUTION WARNING Indicates a hazardous situation that could result in death or Indicates a hazardous situation that could result in damage to or serious injury if instructions are not followed. destruction of property if instructions are not followed. WARNING ATTENTION INSTALLER •...
  • Page 3 Warnings and cautions NOTICE EQUIPMENT DAMAGE MAY OCCUR IF INSTALLATION INSTRUCTIONS ARE NOT FOLLOWED. • Do not use in pool applications. Pool chemicals can damage the dehumidifier. • Do not use solvents or cleaners on or near the display and circuit board. Chemicals can damage components. •...

  • Page 4: Table Of Contents

    Wiring and setup of the D77 controller ......27 Alternative external control or DriSteem BACnet humidistat ..29 ®...
  • Page 5 MAINTENANCE ............35 DriSteem Technical Support ®...

  • Page 6: Overview

    Product overview FIGURE 6-1: DEHUMIDIFIER CONTROL FIGURE 6-2: MODEL RL-3 DEHUMIDIFIER ON/OFF button Up/Down Dehumidifier Control Outlet used to turn buttons used dehumidifier on to change and off humidity setting MODE button used for optional features Inlet Drain Filter Access Door FIGURE 6-3: MODEL RL-4 DEHUMIDIFIER Dehumidifier Control Outlet...
  • Page 7 Product overview FIGURE 7-1: MODEL RL-6 DEHUMIDIFIER Dehumidifier Control Outlet Inlet Drain Filter Access Door RL-6 angle DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...

  • Page 8: Unpacking The Dehumidifier

    Unpacking the dehumidifier UNPACKING THE DEHUMIDIFIER FIGURE 8-1: MODELS RL-3, RL-4, AND RL-6 REMOVE SHIPPING BRACKET Disassemble the carton, but leave the unit attached to the pallet for installing the unit with a forklift or scissors lift. IMPORTANT: • Cut the strap securing the compressor shipping support bracket and remove the strap and shipping bracket.

  • Page 9: Included In The Shipping Carton

    Included in the shipping carton Table 9-1: Included in the shipping carton Model Model Model RL-3 RL-4 RL-6 Dehumidifier √ √ √ Installation Manual √ √ √ 3/4" MNPT x 3/4" (DN20 √ √ √ x 20 mm) hose barb fitting MERV 11 disposable filter √...

  • Page 10: Specifications

    Models, capacities, and electrical specifications Table 10-1: RL Series Specifications Model RL-3 Model RL-4 Model RL-6 70 pints/day 100 pints/day 130 pints/day Capacity (3 lb/hour) (4 lb/hour) (6 lb/hour) 120 VAC, 120 VAC, 1 Phase, 120 VAC, 1 Phase, Voltage...
  • Page 11 Specifications Table 11-1: RL Series Specifications Model RL-3 Model RL-4 Model RL-6 Duct Kit Included Feet Attached Hanging Kit Optional Air Discharge Top or end Onboard Controller Front Field-interchangeable from top to front D77 Controller Optional BACnet Humidistat (Room) Optional...
  • Page 12 Dimensions FIGURE 12-1: MODEL RL-3 DEHUMIDIFIER DIMENSIONS 32.88 (835 mm) 24.88 (632 mm) 4 (102 mm) (102 mm) (203 mm) (203 mm) ø0.75 (20 mm) pipe inside 12.5 (318 mm) 12.5 (318 mm) 0.38 to 2 (10 to 50 mm) 90-2289_RL-3 BACK FIGURE 12-2: MODEL RL-4 DEHUMIDIFIER DIMENSIONS...
  • Page 13 Dimensions FIGURE 13-1: MODEL RL-6 DEHUMIDIFIER DIMENSIONS 38.06 (967 mm) 30.06 (763 mm) 3.94 (100 mm) 4.06 (103 mm) ø10 (254 mm) ø10 (254 mm) ø0.75 (20 mm) pipe inside 19.5 (495 mm) 1.38 to 2 90-2053 (35 to 50 mm) BACK DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...

  • Page 14: Installation

    Selecting a location This unit is not to be accessible to the general public. The dehumidifiers should MODEL RL-3, RL-4 AND RL-6 LOCATION CONSIDERATIONS be spaced evenly throughout the area to be dehumidified with the following • Allow sufficient clearance for filter recommendations: removal and to prevent airflow obstruction...

  • Page 15: Rl-3, Rl-4, And Rl-6 Mounting

    RL-3, RL-4, and RL-6 mounting CONTROL LOCATION FIGURE 15-1: RL-4 AND RL-6 CONTROL LOCATION For floor mount installation, leave the control mounted to Control Panel the top of the unit. For suspended installations, it will be Cover Control easier to see if the control is relocated to the front of the unit.

  • Page 16: Rl-3, Rl-4, And Rl-6 Trapeze Mount

    RL-3, RL-4, and RL-6 trapeze mount FIGURE 16-1: RL-3, RL-4 AND RL-6 TRAPEZE MOUNT Table 16-1: Trapeze mount dimensions Part #: 601299 Part #: 601300 Models RL-3 and RL-4 Model RL-6 Width 18" (457 mm) 27" (686 mm) Inside Rail Width 5.75"...
  • Page 17 RL-3, RL-4, and RL-6 trapeze mount INSTALLING A DRISTEEM DEHUMIDIFIER FIGURE 17-1: RL-3, RL-4 AND RL-6 TRAPEZE MOUNT USING A DRISTEEM HANGING KIT 1. Open box and remove the contents. Contents include: • Hanging bracket with cables and bolts • 8 nuts, 8 washers •...

  • Page 18: Repositioning The User Interface And For The Application

    Repositioning the user interface and for the application Locate the onboard user interface (see Figure 18-1). It FIGURE 18-1: USER INTERFACE LOCATION may be rotated 180 degrees in either orientation (see see Figure 18-2). ROTATING THE CONTROL 1. Remove the filter access door and filter. 2.

  • Page 19: Drain Installation

    Drain installation LEVELING THE DEHUMIDIFIER FIGURE 19-1: LEVEL THE UNIT The feet can be adjusted to level the unit and accommodate drain fittings and condensate pans as required (see Figure 19-1). The unit must be level from front to back and side to side to ensure proper drainage from the dehumidifier. If installing a condensate pump (see Figure 20-1) to the side of the unit 0.38"...
  • Page 20 Drain installation INSTALLING THE CONDENSATE PUMP • The condensate pump is capable of lifting water up to 22 feet (see Figure 20-1). • The dehumidifier can be elevated (while remaining level) to increase downward slope for proper draining. • Wire the float switch terminals to the normally closed contacts on the condensate pump (see Figure 22-2).

  • Page 21: Ductwork Installation

    Ductwork installation: MODELS RL-3 AND RL-4 Add ductwork to the inlet and outlet of the dehumidifier to ensure dehumidified air is circulated throughout the crawl space and reduce the noise level of the dehumidifier. Point the inlet and outlet ducts in opposite directions to minimize recirculation of dehumidified air.

  • Page 22: Wiring

    Wiring: Model RL-3 No additional wiring is needed unless: FIGURE 22-1: WIRING ACCESS COVER LOCATION • a separate, remote control such as a dehumidistat is to be used • a float switch, either integral to a condensate pump or mounted to the condensate pan, is used Use 18-22 AWG wire for any needed wiring.

  • Page 23: Model Rl-3 Alert Light

    Wiring: Model RL-3 alert light ALERT LIGHT MOUNTING ALERT LIGHT WIRING NOTE: An optional amber alert light can be installed 1. Remove the wire access cover. (Part# 601176) to display unit operational status. It does 2. Remove + – A B and VENT DEH terminal blocks. not need to be installed for the unit to function.
  • Page 24 Wiring: Models RL-4 and RL-6 FIGURE 24-1: WIRING TO AN EXTERNAL OR REMOTE CONTROL WIRING TO EXTERNAL OR REMOTE CONTROL The dehumidifier can be wired to an external control that senses the humidity in the living space, such as a thermostat or the Model D77 Dehumidifier Control.

  • Page 25: System Set-Up & Checkout

    System set-up & checkout INSTALLER TEST MODE FIGURE 25-1: DISPLAY SCREEN OFF After wiring the power, the dehumidifier and all of the wired components will turn on and off during Installer Test Mode to demonstrate that all are properly operating. Installer Test Mode lasts for four (4) minutes. If the ON/OFF button is pressed during test mode, the dehumidifier will exit Installer Test Mode and return to the OFF screen.
  • Page 26 System set-up & checkout • A Model D77 or other external control is not going to be installed FIGURE 26-1: DISPLAY SCREEN OFF • Changing the air sampling rate (see instructions below) • Changing the RH offset (see instructions below) 1.

  • Page 27: Wiring And Setup Of The D77 Controller

    Wiring and setup of the D77 controller The Model D77 will measure the relative humidity and turn the dehumidifier on and off to control the humidity level to the desired setting. The humidity setting can be adjusted from the control, while the display allows easy access and monitoring of the humidity level in the space.
  • Page 28 Wiring and setup of the D77 controller TO SET THE DEHUMIDIFIER TO USE THE MODEL D77 CONTROL, COMPLETE ALL STEPS: 1. With power to the dehumidifier, use the ON/OFF button to set the dehumidifier to the OFF position. NOTE: If the display backlight is not on, the first button press (any button) will only turn the backlight on.

  • Page 29: Alternative External Control Or Dristeem Bacnet ® Humidistat

    Alternative external control or DriSteem BACnet humidistat ® The DriSteem BACnet humidistat may be used to control TO SET THE DEHUMIDIFIER TO USE THE ALTERNATIVE CONTROL, COMPLETE ALL STEPS: the dehumidifier when set up as an external controller. 1. With power to the dehumidifier, use the ON/OFF Alternatively, use any other humidity control system as long button to set the dehumidifier to the OFF position.

  • Page 30: Daisy Chain Wiring

    Daisy chain wiring DriSteem dehumidifiers can be wired in a daisy chain application, allowing one Model D77 or alternate dry contact humidistat to control any number of dehumidifiers wired together. MODEL D77 AS DRIVING CONTROL When a Model D77 is used to control the first dehumidifier, Unit #1 must be set to Remote Enabled in the set-up menu.
  • Page 31 Daisy chain wiring ALTERNATE EXTERNAL OR DRISTEEM BACNET HUMIDISTAT DRY CONTACT CONTROL AS DRIVING CONTROL When a dry contact control is used to control the first dehumidifier, Unit #1 must be set to External Enabled in the set-up menu. All downstream units must be set up to External Enabled in each set-up menu.

  • Page 32: Starting Up The Unit

    Starting up the unit Ensure unit is plugged in and if equipped use the ON/OFF power switch near the power cord to apply power to the dehumidifier. USING THE DEHUMIDIFIER CONTROL ONLY 1. Press the ON/OFF button to turn the dehumidifier control ON. The display will show the current humidity setting, and the dehumidifier blower and HVAC blower (if wired to the HVAC system) will turn on to start sampling.
  • Page 33 USING AN EXTERNAL CONTROL Energy Savings Tips 1. Press the ON/OFF button to turn the dehumidifier control ON. The display ENERGY SAVINGS TIP #1: will show EXTERNAL to indicate that an external control is to be used to Adjust the humidity setting to be as high as control the dehumidifier.
  • Page 34 Service • The refrigeration system is considered factory sealed and puncturing the refrigerant tubing in any way is prohibited. • Repairing the refrigeration system shall not be performed in the field and must be done at the manufacturing facility by trained personnel. •...

  • Page 35: Maintenance

    Service APPROVED AUXILIARY DEVICES Table 35-1: Only approved auxiliary devices approved by the appliance manufacturer Symbols shall be installed in the ductwork. THE FOLLOWING CHECKS SHALL BE APPLIED TO INSTALLATIONS USING FLAMMABLE REFRIGERANTS: • The ventilation machinery and outlets are operating adequately and are not Symbol ISO Symbol ISO Symbol ISO...

  • Page 36: Cleaning The Drain

    Cleaning the drain: Model RL-4 DRAIN AND DRAIN INSERT INSPECTION CAUTION The drain and drain insert should be checked annually to ensure there are no blockages or air lock in the drain Do not use spray solvents or cleaners on or near the inlet side of the system.

  • Page 37: Models Rl-3 And Rl-6

    Cleaning the drain: Models RL-3 and RL-6 CLEANING THE DRAIN FIGURE 37-1: CAPPED DRAIN ACCESS FOR CLEANING 1. With the filter door on the drain side of the dehumidifier removed, clean the accessible portion of the drain pan using a mild detergent. 2.

  • Page 38: Replacing The Filter

    Replacing the filter After initial installation, the air filter and drain should be checked and replaced FIGURE 38-1: CLEAN FILTER SERVICE REMINDER every 3 months. 1. Press the ON/OFF button on the user interface to turn the unit OFF. 2. Loosen the retaining screw on the filter access door (see page 8)/ snap-on filter access door from the drain side of the dehumidifier until it releases and then remove the filter door.

  • Page 39: Troubleshooting

    If an Alert Light (part # 601176) is used, the light will turn on when an error occurs. The Alert Light output can also be wired to the DriSteem BACnet humidistat so that the BACnet humidistat displays a generic alarm when any error code is active.
  • Page 40 Troubleshooting Table 40-1: Diagnostic Codes (continued) Diagnostic Code Failure Mode Action Reset High Temperature • Check the high temperature sensor connection at the power board. Terminal should be Cycle Power Thermistor Failure fully seated on the power board pins. • Remove the side access panel and verify the sensor is not damaged and connected to the refrigeration line coming from the compressor.

  • Page 41: Troubleshooting Procedure

    Troubleshooting Table 41-1: Troubleshooting Symptom Possible Reason Troubleshooting Procedure Dehumidifier does not No power to unit. • Check that the dehumidifier is plugged in. turn on/run. • Check that the power switch is turned ON. • Check that the control is turned ON. •...

  • Page 42: Replacement Parts

    Model RL-3 FIGURE 42-1: RL-3 DEHUMIDIFIER REPLACEMENT PARTS 90-2298 DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
  • Page 43 Model RL-3 Table 43-1: Model RL-3 replacement parts and accessories Part number Part Description Part No. FILTER,MERV 11, RL-3 601250 INTERNAL POWER PCB, RL-14 601190 USER INTERFACE, RL-14 601197 UI COVER,RL-14-9-6-4-3 601254 DOOR,FILTER ACCESS,RL-3 601274 PANEL,OUTLET DUCT,RL-3 601276 PANEL,INLET DUCT,RL-3 601277 FAN W.

  • Page 44: Model Rl-4

    Model RL-4 FIGURE 44-1: RL-4 DEHUMIDIFIER REPLACEMENT PARTS 90-2815 DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
  • Page 45 Model RL-4 Table 45-1: Model RL-4 replacement parts and accessories Part number Part Description Part No. FILTER,MERV 11, RL-4 601253 CNTRL,PCB,RL-14-9-6-4-3 601190 UI,RL-14-9-6-4-3 601197 UI COVER,RL-14-9-6-4-3 601254 HOLE COVER,UI CTRL,RL-6-4 601255 DOOR,FILTER ACCESS,RL-4 601447 OUTLET DUCT PANEL,RL-6-4 601256 BACKFLOW DAMPER,RL-6-4 601257 INLET DUCT PANEL,RL-6-4 601258...
  • Page 46 Model RL-6 FIGURE 46-1: RL-6 DEHUMIDIFIER REPLACEMENT PARTS 90-2031 DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...

  • Page 47: Model Rl-6

    Model RL-6 Table 47-1: Model RL-6 replacement parts and accessories Part number Part Description Part No. FILTER,MERV 11,RL-6 601249 CNTRL,PCB,RL-14-9-6-4-3 601190 UI,RL-14-9-6-4-3 601197 UI COVER,RL-6-4-3 601254 HOLE COVER,UI CTRL,RL-6-4 601255 DOOR, FILTER ACCESS,RL-6 601266 OUTLET DUCT PANEL,RL-6-4 601256 BACKFLOW DAMPER,RL-6-4 601257 INLET DUCT PANEL,RL-6-4 601258...

  • Page 48: Warranty

    Continuous product improvement is a policy of breach of contract, negligence, strict liability in tort, or any other legal theory, even if DriSteem has DriSteem Corporation; therefore, product notice of the possibility of such damages.

This manual is also suitable for:

Rl-3Rl-4Rl-6

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