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GENERAL DS-20
Owner's Manual
Shop genuine replacement parts for GENERAL DS-20
Find Your GENERAL Humidifier Parts - Select From 70 Models
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Summary of Contents for GeneralAire DS-20

  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. GENERAL DS-20 Owner's Manual Shop genuine replacement parts for GENERAL DS-20 Find Your GENERAL Humidifier Parts - Select From 70 Models -------- Manual continues below --------...
  • Page 2 Elite Steam Residential Steam Humidifiers User manual...
  • Page 3 We wish to save you time and money! We can assure you that the thorough reading of this manual will guarantee correct installation and safe use of the product described WARNINGS BEFORE INSTALLING OR HANDLING THE HUMIDIFIER PLEASE CAREFULLY READ AND FOLLOW THE INSTRUCTIONS AND SAFETY STANDARDS DESCRIBED IN THIS MANUAL AND ON THE LABELS ATTACHED TO THE Elite Steam.
  • Page 4: Table Of Contents

    CONTENTS How The Elite Steam Works ........................7 Models............................8 Installation ............................9 Positioning ........................... 9 Mounting ............................10 Plumbing ............................11 Steam distribution .........................12 Power wiring..........................14 Control wiring ..........................15 Wiring Connections: ........................16 Start-Up ............................17 Startup Checklist...........................17 The Elite Steam Controller .......................17 Starting Elite Steam ........................18 Starting with a new cylinder ......................18 Operating Elite Steam ........................18...
  • Page 5: How The Elite Steam Works

    1. How The Elite Steam Works Elite Steam is an electrode humidifier. It produces steam for humidification by passing electric current through the water in the steam plastic generator cylinder between metal electrodes. There are no heating elements. Steam output is directly proportional to the conductivity of the water, and the amount of electrode immersed in the water.
  • Page 6: Models

    2. Models There are two basic models for steam distribution: Duct Injection Direct Room Discharge Fig. 2.a Fig. 2.b Elite Steam comes in two capacities and voltages: DS35 Duct Steam Injection, 35 gallons per day, (12 Lbs per hour), 220-240V. RS35 Room Steam Discharge, 35 gallons per day, (12 Lbs per hour), 220-240V.
  • Page 7: Installation

    3. Installation 3.1 Positioning The Elite Steam has been designed for wall mounting and, since it is an atmospheric steam humidifier, should be placed close to the point where the steam will be used, to minimize the steam hose length (and the amount of condensate). Certain clearances must be maintained around the unit for safety and maintenance. Duct Injection 6”...
  • Page 8: Mounting

    3.2 Mounting 3.2.1 Removing the front cover The front cover is secured by four screws located at the four corners of the unit. Use a phillips head screwdriver to remove the four cover screws. Then simply pull the front cover away from the back part of the unit.
  • Page 9: Plumbing

    3.3 Plumbing 3.3.1 Water supply The Elite Steam must be supplied with COLD potable water (not softened or demineralized) having the following characteristics: Instant flow rate: 0.12 gpm / 0.45 L/min Connection: 1/4” O.D. Compression Temperature limits: 34 to 104°F / 1 to 40 °C Pressure limits: 15 to 116 psi / 1 to 8 bar Hardness limits:...
  • Page 10: Steam Distribution

    3.4 Steam distribution 3.4.1 Duct steam injection The maximum allowed duct static pressure is 2 in WC. The Elite Steam duct injection models include a plastic duct injection nozzle: 1.24” (31.5 mm) 1.96” (50 mm) 2.20” (56 mm) 2.26” (57.5 mm) 3.93”...
  • Page 11 3.4.3 Steam Hoses NINETY PERCENT (90%) OF ALL OPERATION PROBLEMS ARE CREATED BY IMPROPER STEAM PIPING FROM THE HUMIDIFIER UNIT TO THE DUCT DISTRIBUTOR PIPES. To avoid these problems, remember one simple fact when running the steam hose: steam naturally flows up hill, and condensate naturally flows down hill.
  • Page 12: Power Wiring

    3.5 Power wiring Check that the power supply voltage to be connected matches the value indicated on the rating plate inside the electrical panel. Insert the power and ground connection cables into the electrical panel compartment using the strain reliefs supplied, and connect to the terminals.
  • Page 13: Control Wiring

    3.6 Control wiring Elite Steam allows connection of any simple or automatic humidistat, and safety devices such as high-limit humidistat, air flow proving switch, and remote on/off. 3.6.1 Select Signal Type REMARK: Select the proper type of control signal by the keyboard before connecting the control wiring. Proceed as follows: Switch Elite Steam off.
  • Page 14: Wiring Connections

    3.6.3 Modulating Operation: Connect an external 0-10 Vdc modulating input between terminals IN-GND. Connect any Safety Switches (high-limit, air flow switch, remote on/off) in series to terminals AB-AB. If no safety switches are used, then a jumper must be installed between AB-AB.
  • Page 15: Start-Up

    4. Start-Up IMPORTANT WARNINGS: Before starting, check that the humidifier is in perfect condition, that there are no water leaks and that the electrical parts are dry; Do not connect power if the humidifier is damaged or even partially wet! When installation is completed, flush the supply pipe for around 10 minutes by piping water directly into the drain, without sending it into the humidifier;...
  • Page 16: Starting Elite Steam

    4.3 Starting Elite Steam • Insure that the external power is turned on. • Push the top part of the On/Off button so that the I part is in. The yellow Power LED will be lit. The Elite Steam is now ready to operate. •...
  • Page 17: E2 Humidistat

    Keep pressed both buttons “reset/sel” and “drain” and switch Elite Steam back on: the display shows 00 and the spanner blinks; then release the two buttons. Keep pressed “reset/sel” until the display shows 03. WARNING: do NOT confirm any value higher than 04. In case, press “reset/sel” until the display goes back to the normal operating mode and restart from step 1.
  • Page 18: Alarms

    5.6 Alarms In the event of an alarm, the red alarm LED will flash, the alarm relay will close, and the alarm code will flash in the display. Multiple alarms will flash in sequence, alternating with the main display. Pressing the sel button for 2 seconds will reset the alarms, although still active alarms will continue to display. Display Description Action...
  • Page 19: Trouble-Shooting

    6. Trouble-Shooting problem causes solutions The humidifier does not turn on 1. no electrical power 1. check the safety devices upstream from the humidifier and the 2. on/off switch of the humidifier in position 0 (open) presence of power 3. control connectors improperly connected 2.
  • Page 20: Maintenance

    7. Maintenance 7.1 Periodic checks • After one hour of operation: Check that there are no significant water leaks. • Every fifteen days or no more than 300 operating hours: Check operation, that there are no significant water leaks and the general condition of the cylinder.
  • Page 21: Replacement Parts

    7.3 Replacement Parts Item Part No. Description See the table below Steam generator cylinder 7532 15-1 Control module 110 VAC 1-phase 7533 35-1 Control module 230 VAC 1-phase 7549 35-17 Internal cables kit 7551 35-18 On/off switch 7534 15-2 Room blower assembly 110 VAC 1-phase 7535 35-2 Room blower assembly 230 VAC 1-phase 7544...
  • Page 22: Technical Specifications

    8. Technical Specifications Steam flows, VAC, kW 5.5 lbs/hr (2.5 kg/h): 110 VAC 1-phase 50-60 Hz, 1.86 kW Notes 7 lbs/hr (3.2 kg/h): 230 VAC 1-phase 50-60 Hz, 2.36 kW 12 lbs/hr (5.4 kg/h): 230 VAC 1-phase 50-60 Hz, 4.05 kW Steam pressure 39.37 in WC / 980 Pa For duct only...

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