Vaporstre a m Electric-to-Stea m Humidification Sy s t e m PR0DUCT CATALOG ®
Ve r s a t i l e e l e c t r i c h u m i d i f i c a t i o n Figure -1: Vaporstream humidifier Application versatility with Vaporstream® From providing comfort humidity to meeting the strictest cleanroom requirements, the Vaporstream electric humidifier is an industrial-grade unit designed to meet the humidification demands of any building environment. Broad capacity range. The largest Vaporstream has a capacity of 285 lbs/hr (129 kg/h).
Va p o r s t r e a m f e a t u r e s Proven performance Optional features • Control to ±1% RH • Electronically monitored water level ensures safe and reliable operation • Diagnostic test at unit start-up verifies system performance • Weather cover for protected outdoor mounting • Outdoor enclosure for climate-controlled outdoor mounting • 316 stainless steel construction • Evaporating chamber insulation • NEMA-4 control cabinet Application flexibility • Capacity range up to 285 lbs/hr (129 kg/h) for ea
Va p o r s t r e a m c o m p o n e n t s Figure -1: Water level control for standard water systems Figure -3: Vaporstream components 9 11 8 7 4 5 Fill valve closes 3 1 Fill valve opens 10 Low-water cutoff Systems using tap or softened water control water levels electronically using a threerod probe. The controller responds with the above actions when the water level reaches each rod. VLC-OM-030 Figure -2: Vapor-logic3 keypad 6 2 VLC-OM-001 1.
Va p o r s t r e a m c o m p o n e n t s 5. Heating elements Low-watt-density Incoloy-sheathed heating elements ensure operation for many seasons. Constant expansion and contraction of heating elements sheds mineral scale. In the unlikely event of heater failure, heating elements can be removed easily. Figure 5-1: Water level control for DI/RO water systems Fill valve Float rod 6.
Va p o r s t r e a m p r i n c i p l e o f o p e r a t i o n Figure -1: Vaporstream principle of operation Front view (standard water system) Fill valve 4 Vapor hose or pipe Probe 1 Skimmer port 3 Heating element 2 VLC-OM-002 1. When the system is first activated, the fill valve opens and the evaporating chamber fills with water to the operating level. 2. On a call for humidity, the heating elements are energized, causing the water to boil.
Va p o r s t r e a m c o n t r o l Accurate, responsive control with Vapor-logic3 Vapor-logic3 provides exceptional functionality, ease of use, and accurate RH control. Standard on all Vaporstream models, this controller features: Figure -1: Vapor-logic3 keypad • Real-time clock allows time-stamped alarm tracking and three ways to program drain and flush cycles: 1. Usage (unit drains after a set number of pounds of water have cycled through) 2.
Drip-free dispersion basics Guaranteed non-wetting distances Figure -1: DRI-STEEM dispersion tubes Using data collected in our on-site test lab, we have developed guaranteed steam absorption (non-wetting) distances. Performance charts allow you to confidently choose equipment that will accommodate any application. Dry steam DRI-STEEM’s dispersion tubes are fitted with one or two rows of closely-spaced thermalresin tubelets to evenly disperse steam across the airstream.
Va p o r s t r e a m s t e a m d i s p e r s i o n o p t i o n s Ultra-sorb The multiple-tube Ultra-sorb allows virtually instantaneous steam absorption. The factoryassembled panel can be installed within inches upstream of dampers, coils or elbows without dripping. Figure -1: Ultra-sorb dispersion The Ultra-sorb’s steam downflow design allows for high capacity dispersion. The unit is preassembled at the factory within a mounting frame, and installs easily.
Va p o r s t r e a m s t e a m d i s p e r s i o n o p t i o n s Figure 10-1: Space Distribution Unit (SDU) dispersion Space Distribution Units Space Distribution Units (SDUs), designed for use in finished spaces, disperse steam into large open spaces and are particularly useful where there are no air-handling ducts. There are two SDU models: SDU-I (steam absorbs within the enclosure with no visible vapor) and SDU-E (visible steam absorbs outside the enclosure).
Va p o r s t r e a m e l e c t r i c a l s p e c i f i c a t i o n s Table 11-1: Vaporstream electrical specifications VLC VLDI model (kWstages) Maximum steam capacity † Current draw (amps) Heaters Single-phase lbs/hr kg/h Qty. Stages** 120V 2-1 5.7 2.6 1 1 16.7 3-1 8.6 3.9 1 1 25.0 4-1 11.4 5.2 1 1 33.3 5-1 15.2 6.9 1 1 6-1 17.1 7.8 3 9-1 25.7 11.6 12-1 34.2 16-1 208V* Three-phase*** kW 240V* 480V* 600V* 208V* 240V* 480V* 600V* 9.6 8.3 4.2 3.
Va p o r s t r e a m w e i g h t s a n d cabinet sizes Table 12-1: Vaporstream weights and control cabinet sizes by model Control cabinet size* (M, L, XL, XXL) VLC VLDI model (kWstages) lbs kg lbs kg 120V 208V 240V 480V 600V 208V 240V 480V 600V 2-1 35 16 79 36 M M M M M — — — — 3-1 35 16 79 36 M M M M M — — — — 4-1 35 16 79 36 M M M M M — — — — 5-1 35 16 79 36 — M M M M — — — — 6-1 57 26 157 71 — M M M M M M M M 9-1 57 2
Va p o r s t r e a m d i m e n s i o n s Figure 13-1: Vaporstream dimensions A C C' B A’ B’ VLC-OM-039 Table 13-1: Vaporstream dimensions Without mounted control cabinet VLC/VLDI model (kW - stages) A (length) B (width) C (height) inches mm inches mm inches mm 2-1, 3-1, 4-1, 5-1 12.52 318 26.00 660 18.88 480 6-1, 9-1, 12-1, 16-1, 21-1, 25-1 17.85 453 22.00 559 18.88 480 12-2, 18-2, 24-2, 32-2, 42-2, 50-2 25.35 644 22.00 559 18.
Va p o r s t r e a m c o n t r o l c a b i n e t s Figure 14-1: Vaporstream model 6-1 with mounted control cabinet Control cabinet features The standard Vaporstream control cabinet is an ETL- and C-ETL-listed NEMA-12 cabinet and is shipped loose. Control cabinet options include: • • • • Factory mounting on humidifier NEMA-4 cabinet Cabinet door interlock switch Cabinet door lock The control cabinet's size is based on capacity and system options.
Va p o r s t r e a m m o u n t i n g Figure 15-1: Trapeze hanger Vaporstream Models 2-1 through 5-1 Vaporstream Models 6-1 through 100-4 Secure rods to an overhead structure that is strong enough to support the Vaporstream's operating weight. See the weight tables in this document. Secure channel to an overhead structure that is strong enough to support the Vaporstream's operating weight. See the weight tables in this document.
Va p o r s t r e a m m o u n t i n g Figure 16-1: Wall brackets Table 16-1: Wall brackets Dimension A (center to center of mounting holes) Vaporstream model 24.
Va p o r s t r e a m w e a t h e r c o v e r Optional Vaporstream weather cover Figure 17-1: Weather cover exploded view The optional weather cover is waterresistant and designed to protect a Vaporstream unit from rain and sun. The Vaporstream weather cover has been tested and approved by ETL Testing Laboratories, Inc., and is listed to UL Standard 1995 and certified to CAN/CSA Standard C22.2 No. 236.
Va p o r s t r e a m o u t d o o r e n c l o s u r e overview Figure 18-1: Outdoor enclosure Outdoor enclosure expands application flexibility Outdoor humidifier operation in any climate is now possible with the DRI-STEEM outdoor enclosure. This prepackaged, factory-assembled unit ships complete to the job site, ready for easy-to-connect water, electrical or steam field connections to the preinstalled humidifier inside.
Va p o r s t r e a m o u t d o o r e n c l o s u r e Figure 19-1: Typical rooftop installation overview Figure 19-2: Outdoor enclosure clearances Left side: 12” (305 mm) Humidifier in outdoor enclosure Top: 12” (305 mm) Back: 24” (610 mm) Roof surface Electrical connections Steam piping Front: 36” (914 mm) Curb Remote Vapor-logic3 keypad Right side: 36” (914 mm) Drain piping Water piping OM-7464 OM-955 Figure 19-3: Optional installation method for water supply piping Normally closed fill val
Va p o r s t r e a m o u t d o o r e n c l o s u r e Figure 20-1: Vaporstream outdoor enclosure with standard or optional steam outlet, elevation view Notes: Vaporstream humidifier K Ventilation fan Standard steam outlet Ventilation fan A See Note 2 4.5" Optional steam outlet Knockouts, 4" (102 mm) on center Enclosure drain 1½" pipe thread (DN40) with male nipple Pipe chase L G DC-1481 1. The outdoor enclosure has two available steam distribution configurations.
Va p o r s t r e a m o u t d o o r e n c l o s u r e Figure 21-1: Vaporstream outdoor enclosure, top view B Pipe chase extending 1" (25 mm) above floor E H Standard steam outlet (exits enclosure here) C D Optional steam outlet (exits enclosure through pipe chase) J F Vaporstream humidifier Side access door Control cabinet (Note: Some 9-12 heater models have the control cabinet mounted on the humidifier) Side section heater Intake ventilation fan Front section optional heater Enclosure drain Fr
Va p o r s t r e a m M o d e l V L C p i p i n g Figure 22-1: Field piping overview for Vaporstream Model VLC (standard water models) Steam outlet Shock arrester recommended to reduce water hammer Water supply line; water pressure range 25 psi to 80 psi (172 kPa to 552 kPa); water conductivity minimum 100 µS/cm.
Va p o r s t r e a m M o d e l V L D I p i p i n g Figure 23-1: Field piping overview Vaporstream Model VLDI (DI/RO water models) Steam outlet Install level Overflow Optional condensate return piping from dispersion unit Water supply line; water pressure range 25 psi to 80 psi (172 kPa to 552 kPa); first 3' (1 m) is recommended to be stainless steel tubing with a 2" (50 mm) water seal or loop in the supply line to isolate steam during DI/RO water system maintenance Air vent tube 6" (150 mm) minimum St
Calculating non-wetting distances Notes: Sample exercise • Final equipment selection should account for condensate loss. See the DRI-STEEM Design Guide for steam loss tables. • Dispersion assembly should accommodate maximum output capacity of humidifier. To learn more about how to specify a dispersion unit based on absorption non-wetting distance, read the sample problem below. For purposes of this sample problem, assume you have chosen to use Ultra-sorb units because you want pre-assembled panels.
Ultra-sorb dispersion Figure 25-1: Ultra-sorb non-wetting distances 3" 6" 9" 12" Note: The above data applies to all air velocities up to 1,500 fpm (7.6 m/s), and is based on air leaving the zone of humidification at conditions of 55 °F (13 °C) and the stated % RH. The blue lines in the graph refer to the sample exercise described on Page 24.
Ultra-sorb dimensions Figure 26-1: Ultra-sorb Model LV dimensions E A' G Supply header Dispersion tubes Top view G Header enclosure C Mounting flange F B Header B' Condensate header D A Elevation view Header H E Side view OM-123us Table 26-1: Ultra-sorb Model LV dimensions Dimension Description Inches (mm) A Overall width 15" (381) minimum to 147" (3734) maximum in 1" (25) increments A' Face width 12" (305) minimum to 144" (3658) maximum in 1" (25) increments B Overall height 21" (5
Rapid-sorb dispersion Figure 27-1: Rapid-sorb non-wetting distances 6" 9" 12" 18" 24" Note: The above data applies to all air velocities up to 1,500 fpm (7.6 m/s), and is based on air leaving the zone of humidification at conditions of 55 °F (13 °C) and the stated % RH.
Rapid-sorb dimensions Figure 28-1: Rapid-sorb dimensions A E 1½" (DN40) dia. dispersion tubes use slip coupling B 2" (DN50) dia. dispersion tubes use hose cuff and clamps Header outside duct C Pitch header toward drain Escutcheon plate F Header inside duct or AHU D OM-3005 Note: Add water seal to condensate drain as shown in the Dri-calc Installation Guides or the Vaporstream Installation, Operation, and Maintenance manual.
Single tube dispersion Figure 29-1: Single tube non-wetting distances 18" 12" 9" 24" Note: The above data applies to all air velocities up to 1,500 fpm (7.6 m/s), and is based on air leaving the zone of humidification at conditions of 55 °F (13 °C) and the stated % RH. Figure 29-2: Single tube without and with condensate drain Pitch: See Notes Pitch 2"/ft (15%) Without drain Table 29-1: Single tube capacities 4.
SDU-E and SDU-I dispersion Table 30-1: SDU-E minimum non-wetting distances Maximum steam capacity kW 40% RH @ 70 °F (21 °C) Rise Spread 50% RH @ 70 °F (21 °C) Throw Rise Spread 60% RH @ 70 °F (21 °C) Throw Rise Spread Throw lbs/hr kg/h ft m ft m ft m ft m ft m ft m ft m ft m ft m 2 6 2.7 1.0 0.3 1.0 0.3 5.0 1.5 1.5 0.5 1.5 0.5 6.5 2.0 2.5 0.8 2.5 0.8 7.5 2.3 4 12 5.4 1.0 0.3 1.0 0.3 5.0 1.5 1.5 0.5 1.5 0.5 6.5 2.0 2.5 0.8 2.5 0.8 7.
Area-type dispersion Table 31-1: Area-type (evaporative steam) minimum non-wetting distances* 60 °F (16 °C) Maximum steam capacity 30% RH Rise Spread 40% RH Throw Rise Spread 50% RH Throw Rise Spread Throw lbs/hr kg/h ft m ft m ft m ft m ft m ft m ft m ft m ft m 50 20 1.0 0.3 2.0 0.6 6.0 1.8 1.0 0.3 2.0 0.6 6.0 1.8 1.0 0.3 2.5 0.8 6.0 1.8 75 34 3.0 0.9 3.0 0.9 8.0 2.4 3.0 0.9 3.0 0.9 8.0 2.4 3.0 0.9 4.0 1.2 8.0 2.4 100 45 4.0 1.2 4.
Va p o r s t r e a m a c c e s s o r i e s Expect quality from the industry leader Dri-calc For 40 years, DRI-STEEM has been leading the industry with creative and reliable humidification solutions. Our focus on quality is evident in the construction of the Vaporstream, which features cleanable, stainless steel construction, and an industryleading two year warranty that covers all parts.
