DriSteem CRU SERIES Installation Instructions And Maintenance Operations Manual
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DriSteem CRU SERIES Installation Instructions And Maintenance Operations Manual

DriSteem CRU SERIES Installation Instructions And Maintenance Operations Manual

Electric steam humidifiers
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DRI-STEEM
CRU SERIES
ELECTRIC STEAM HUMIDIFIERS
Installation Instructions
Maintenance Operations Manual
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COMPONENT
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  • Page 1 READ AND SAVE THESE INSTRUCTIONS DRI-STEEM ® CRU SERIES ELECTRIC STEAM HUMIDIFIERS Installation Instructions Maintenance Operations Manual For Toll-Free Customer Support, Call: 1-800-328-4447 UL RECOGNIZED CUL RECOGNIZED COMPONENT COMPONENT...

  • Page 2: Table Of Contents

    Proper installation and operating practices will assure you of achieving that objective. We therefore urge you to become familiar with the contents of this manual. DRI-STEEM Humidifier Company CRU Series Humidifiers ............3 Installation .................. 4 Specifications, Capacities, and Dimensions ......6 Start-up and Operation .............

  • Page 3: Cru Series Humidifiers

    Electric Drain OM-771 OM-770 CRU Series Humidifiers This humidifier is designed to be used with either softened or unsoftened water (softened water will greatly reduce humidifier maintenance and improve overall system performance). The probe-type level control system requires water conductivity of at least 100 micromhos/cm (2 grains/gal) to function, and therefore, will not operate with ®...

  • Page 4: Installation

    212° F water. Drain Pipe OM-830 Figure 4-2: Horizontal Dispersion Tube Duct Vapor Hose OM-773 Horizontal mounting of dispersion tube in a duct, connected via vapor hose to a wall-mounted CRU Series humidifier.
  • Page 5 CRUV-34. When horizontally mounting the dispersion tube in an air stream that is located lower than the CRU Series humidifier a For complete information on calculating the number of water seal (to prevent steam from escaping at the open drain)

  • Page 6: Specifications, Capacities, And Dimensions

    SPECIFICATIONS, CAPACITIES, AND DIMENSIONS CRU Series Mechanical/Electrical Specifications Side Elevation End Elevation 4.25" 1.75" .375" TYP .25 DIA OM-283 OM-282 NOTE: The "CRU" differs from the "CRUV" in evaporating chamber size, heater KW and arrangement of drains and overflow plumbing.
  • Page 7 SPECIFICATIONS, CAPACITIES, AND DIMENSIONS ® CRUV Series Mechanical/Electrical Specifications Side Elevation Side Elevation (CRUV 25,34) .375" TYP .375" TYP OM-759 OM-285 End Elevation Table 7-1: CRUV Dimensions (in inches) & . n i 5 3 . 0 5 . 0 0 . 8 8 .

  • Page 8: Start-Up And Operation

    START-UP AND OPERATION Start-up and Checkout Procedures LW415 Electronic Water Level Control After the system has been properly installed and con- Module nected to both electrical and water supplies, it may then When the power is activated, the solenoid-operated water be started.
  • Page 9 START-UP AND OPERATION 4. The drain valve then closes, the chamber refills, and protection in the event of a low-water condition is common the fill valve closes. The timer resets and the unit to all DI humidifiers and can be found in the wiring dia- resumes normal operation.

  • Page 10: Maintenance

    MAINTENANCE ® ® and CRUV Humidifiers 8. Reconnect flexible vapor hose, overflow hose and drain valve. (Non-DI humidifiers with either the LW 415 or 9. Verify drain valve lever is in AUTO position. VAPOR-LOGIC Control Systems) 10. The CRU humidifier is again ready to humidify when power is restored.

  • Page 11: Trouble-Shooting Guide

    ® TROUBLE-SHOOTING GUIDE (LW415 Electronic Water Level System Only)* CONTROL PANEL LIGHTS PROBLEM FILL READY DRAIN POSSIBLE CAUSE RECOMMENDED ACTION WATER Humidifier will Control transformer Verify control voltage across secondary not heat leads of transformer. Reset transformer circuit breaker. Humidistat is not calling Set humidistat to call.
  • Page 12 CRUV ® -DI TROUBLE-SHOOTING GUIDE (LW415 Electronic Water Level System Only)* POSSIBLE CAUSE RECOMMENDED ACTION READY PROBLEM WATER Humidifier will Control transformer Verify control voltage across secondary leads of not heat transformer. Reset transformer circuit breaker. Humidistat is not calling Set humidistat to call.

  • Page 13: Replacement Parts

    REPLACEMENT PARTS OM-778 Table 13-1: CRU ® Description Part No. Tank 160712* Cover Cover, Heater Terminal 160750* Gasket, Cover 160695* Knob, T-Handled Utility 700725 Heater 409600* Thermo Cut-Out 409560-001 Strainer, 1/4" NPT Sediment 300050 Orifice, .041 Fill Valve 160225-002 Valve, 1/4" Solenoid Fill 505084 Gasket, Probe 309750-003...
  • Page 14 REPLACEMENT PARTS OM-779 Table 14-1: CRUV 2-16 ® Description Part No. Tank 160701* Cover Cover, Heater Terminal 160750* Gasket, Cover 160695 Knob, T-Handled Utility 700725 Heater 409600* Thermo Cut-Out 409560-001 Strainer, 1/4" NPT Sediment 300050 Orifice, .041 Fill Valve 160225-002 Valve, 1/4"...
  • Page 15 REPLACEMENT PARTS OM-1014 Table 15-1: CRUV -25, 34 ® Description Part No. Tank 160701* Cover Cover, Heater Terminal 160750-010 Gasket, Cover 160695-002 Knob, T-Handled Utility 700725 Heater 409600* Thermo Cut-Out 409560-001 Strainer, 1/4" NPT Sediment 300050 Orifice, .052 Fill Valve 160225-005 Valve, 1/4"...
  • Page 16 REPLACEMENT PARTS OM-780 Table 16-1: CRUV -DI 2-16 ® Description Part No. Tank 160701* Cover Cover, Heater Terminal 160750* Gasket, Cover 160695* Knob, T-Handled Utility 700725 Heater 409600* Thermo Cut-Out 409560-001 Elbow 1/4" 90° 200580 Pipe Weld, CRUV-DI, 2-16 Fill Valve 160210 Orifice, .041 Fill Valve 160225-001...
  • Page 17 REPLACEMENT PARTS OM-1015 Table 17-1: CRUV -DI 25, 34 ® Description Part No. Tank 160701* Cover Cover, Heater Terminal 160750-010 Gasket, Cover 160695-002 Knob, T-Handled Utility 700725 Heater 409600* Thermo Cut-Out 409560-001 DI Conversion Weld, CRUV-DI 25, 34 167786 Pipe Weld, CRUV-DI 25, 34 Fill Valve 160215 Orifice, .052 Fill Valve 160225-004...
  • Page 18 REPLACEMENT PARTS Table 18-1: CRUV Control Cabinet (with LW430) ® Description Part No. Control Cabinet, 16 x 14 x 6 407100-005 Display Board, LW430 408651 Microprocessor Board, LW430 408641 Transformer, 208/240/480V 408965 Transformer, 120V 408960 Transformer, 575V 408984 Contactor, 24V 407001* Ground Lug, L-35 409250-017...

  • Page 19: Maintenance Service Record

    MAINTENANCE SERVICE RECORD DATE INSPECTED PERSONNEL OBSERVATION ACTIONS PERFORMED...

  • Page 20: Two-Year Limited Warranty

    ANY WAY RELATED TO THE MANUFACTURE OR THE USE OF ITS PRODUCTS. The exclusion applies regardless of whether such damages are sought based on breach of warranty, breach of contract, negli- gence, strict liability in tort, or any other legal theory, even if DRI-STEEM has notice of the possibility of such damages.

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