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READ AND SAVE THESE INSTRUCTIONS ® VAPORMIST and ® VAPORMIST DI ELECTRIC STEAM HUMIDIFIERS For Ducted or Ductless Applications Installation Instructions Maintenance Operations Manual UL LISTED CUL LISTED ä...
Familiarizing yourself with this manual will help you to ensure proper operation of the equipment for years to come. This manual covers the installation and maintenance procedures for both the VAPORMIST AND VAPORMIST DI humidifiers.
Removable Slide assembly under evaporating chamber Evaporating provides easy removal for cleaning Chamber OM-287 Figure 3-2: VAPORMIST DI Humidifier (Deionized Water) The VAPORMIST DI humidifier 1-½" or 2" Flexible vapor shown here is specifically designed hose connects to for use with deionized or reverse dispersion tube induct.
Humidifier tions are made at the lower right rear corner of the unit. The VAPORMIST humidifier is designed to hang on a wall, and should be installed in a mechanical room or in When mounting on a stud wall (studs 16" on center), a space located near an air duct system.
INSTALLATION ® VAPORMIST Mounting Tube Figure 5-1: Single Tube with Condensate Drain Line Insertion Length • Mount dispersion tube level. • For best vapor absorption, orient dispersion tube so that tubelets are 2.5" Pre-molded High directed against the air flow.
WIRING All wiring must be in accordance with all governing ® codes, and with VAPORMIST or VAPORMIST DI wiring diagrams. The diagram is located inside the removable front panel on the right-hand side of the...
On 208/240 single phase (3 wire) and 3 phase (4 wire) supplies, the neutral line may be utilized for 120 volt when used in conjunction with SDU fan unit. ** For wire sizing. Highest leg draw is shown due to current unbalance in some cases. All VAPORMISTS operate 50/60 Hz. Top View Figure 8-1: VAPORMIST Unit Dimensions (All measurements shown in inches.) 16.000...
Mounting the SDU The SDU may be placed directly on top of the VAPORMIST cabinet or it may be mounted on a wall. A wall mounting bracket and two 3/8" lag bolts are provided with each fan unit. (See page 4 for mounting instructions.)
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(ft.)* (ft.)* (ft.)* (ft.)* independently of the VAPORMIST humidifier. A wiring diagram of the SDU is included with the unit. On a call for humidity, the humidifier will begin producing steam and the start relay will energize the SDU blower.
Figure 10-1: Electronic Probe Control for does in a steam boiler. This simple device greatly Maintaining Proper Water Level (VAPORMIST ® reduces the frequency of cleaning the evaporating Only) chamber.
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VAPORMIST. Any leaks should be above 60 psi and/or water hammer would be objection- sealed. able, a pressure-reducing valve or shock arrester should be installed. Even though the VAPORMIST has an internal 1" air gap, some local codes may require a vacuum breaker.
6. Unscrew the probe housing, and remove any mineral build-up accumulated in the housing. Mineral Precipitate As evaporation takes place in a standard VAPORMIST 7. Clean the probe-rod assembly. Scrape off build-up unit, the minerals dissolved in the water come out of...
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14. Replace front panel and turn on electric power. DISCONNECT ANY OF THE ELECTRICAL CONDUITS. 15. VAPORMIST DI is again ready to humidify. 7. Slide the evaporating chamber forward on the track. Off-Season Shut-Down Procedure Remove the cover of the chamber, raise and slide 1.
® VAPORMIST TROUBLE-SHOOTING GUIDE 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. Inspect for faulty humidistat.
® VAPORMIST DI TROUBLE-SHOOTING GUIDE READY POSSIBLE CAUSE RECOMMENDED ACTION PROBLEM WATER Humidifier will Control transformer Verify control voltage across secondary leads of not heat transformer. Reset transformer circuit breaker. Set humidistat to call. Inspect for faulty humidistat. Humidistat is not calling Safety controls open Check safety control.
Continuous product improvement is a policy of DRI-STEEM therefore, product features and specifications are subject to change without notice. ä 14949 Technology Drive • Eden Prairie, MN 55344 Telephone: 1-800-328-4447 • In MN: (612) 949-2415 Fax: (612) 949-2933 • E-Mail: sales@dristeem.com Printed on recycled paper with 3ULQWHG RQ UHF\FOHG SDSHU ZLWK DJULEDVHG LQNV agri-based inks. Minimum 10% Post Consumer Waste.
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