Related Manuals for DriSteem XTR Series
Summary of Contents for DriSteem XTR Series
- Page 1 READ AND SAVE THESE INSTRUCTIONS XTR MODULATING SERIES Elect ro de Stea m Humi di fie r Installation, Operation, and Maintenance Manual...
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Page 2: Warnings And Cautions
Read this manual before installing, and leave this manual with product owner. This product must be installed by qualifi ed HVAC and electrical contractors. Installation must be code approved. Improper installation can cause property damage, severe personal injury, or death as a result of electric shock, burns, or fi re. DriSteem ® Technical Support:... - Page 3 Warnings and cautions WARNING Electrical shock hazard If the humidifi er starts up responding to a call for humidity during maintenance, severe personal injury or death from electrical shock could occur. To prevent such start-up, follow the shutdown procedure on Page 38. mc_032612_1156 CAUTION Follow steam piping recommendations...
- Page 4 XTR INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
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Page 5: Table Of Contents
WARNINGS AND CAUTIONS ........... DriSteem product manuals can be downloaded, OVERVIEW. -
Page 6: Overview
Product overview HUMIDIFIER DriSteem XTR electrode steam humidifi ers use heat caused by electrical resistance in their fi ll water to boil the fi ll water into humidifi cation steam. Steam output and water conductivity are managed via automatic draining and fi... - Page 7 Important: There are benefi ts and trade-offs to consider when the application allows a • Recommended supply water conductivity for DriSteem electrode humidifiers is 125 choice between hard and softened water: to 1250 μS/cm (roughly comparable to water hardness of 3 to 36 grains per Hard water: The benefi...
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Page 8: Specifications
SPECIFICATIONS Dimensional drawing FIGURE 4-1: XTR HUMIDIFIER DIMENSIONS 8-7/8" (225 mm) 7-7/8" 1-5/8" (41 mm) (200 mm) 3-3/8" (86 mm) 4-1/4" (108 mm) 5-3/4"(146 mm) 3-3/8" (86 mm) Electrical knockouts Steam outlet Fill cup Front Side Back 10-1/8" 7-1/8" (257 mm) (181 mm) Mounting holes (see mounting... -
Page 9: Voltages, Weights, And Dimensions
SPECIFICATIONS Voltages, weights, and dimensions Table 5-1: XTR humidifier capacities and electrical specifications Nominal steam capacity Mode Voltage Input power Nominal current draw Maximum line current Fuse lbs/hr kg/h 120V, 60 Hz 1.92 kW 208V, 60 Hz 3.33 kW 16 A 16 A 19.2 A 25 A... -
Page 10: Installation
INSTALLATION Dispersion options The dispersion options in Figure 6-1 are available for XTR humidifi ers. For installation details, see “Dispersion” beginning on Page 7. FIGURE 6-1: XTR HUMIDIFIER DISPERSION OPTIONS XTR dispersion tube in a duct XTR steam blower mounted on top of humidifi er OM-7720 OM-7718 XTR fan pack... -
Page 11: Selecting A Location
INSTALLATION Selecting a location HUMIDIFIER Control and dispersion devices When selecting a location for the humidifi er, consider the following: See “Sensor placement” on Page 18. See “Dispersion” beginning on Page 20. • Proximity to duct Install the humidifi er near the duct. The maximum recommended length for steam hose connecting an XTR humidifi... -
Page 12: Mounting
INSTALLATION Mounting REMOVING COVERS AND STEAM CYLINDER WARNING 1. Unpack humidifier from shipping carton, and remove front cover by removing screw and lifting cover up and away from humidifier. Mounting hazard 2. If any wires are connected to top cylinder, pull straight up on plugs to Mount humidifi... -
Page 13: Piping
Thoroughly fl ush the supply water piping to remove pipe residue and stagnant water supply water conductivity for DriSteem electrode humidifi ers is 125 to 1250 before connecting piping to the humidifi er. μS/cm (roughly comparable to water hardness of 3 to 36 grains per gallon). -
Page 14: Field Piping Overview
INSTALLATION Piping: Field piping overview FIGURE 10-1: XTR HUMIDIFIER FIELD PIPING OVERVIEW Steam hose; may also use tubing. See Table 20-1 for maximum lengths. Tubing must be grounded. Fill valve (with screen) 3/4" (DN20) metallic drain piping. If piping run is over 10' (3 m) increase pipe to 1¼"... -
Page 15: Xtr Steam Blower And Xtr Fan Pack
INSTALLATION Piping: XTR steam blower and XTR fan pack FIGURE 11-1: PIPING CONNECTIONS TO XTR STEAM BLOWER XTR steam blower mounted remotely XTR steam blower mounted directly on top of XTR humidifi er Hose clamp (supplied with steam blower) Hose clamp (supplied with humidifi... -
Page 16: Field Wiring
fi nished. Failure to follow these precautions can damage sensitive electronic components and void the DriSteem warranty. Fused disconnect FIELD WIRING CONNECTION INSTRUCTIONS •... - Page 17 Failure to install these CONTROL INPUT WIRING devices can result in excessive moisture XTR humidifi ers accept RH signals from DriSteem control components. For in the duct, which can cause bacteria wiring connection requirements, fi rst determine which control scenario applies.
- Page 18 INSTALLATION Field wiring FIGURE 14-1: XTR CONTROL BOARD WIRING POWER TERMINAL MAIN POWER BREAKER BLOCK (NOT PROVIDED) WATER LEVEL PROBE L2 / N ELECTRODE ELECTRODE TRANSFORMER POWER JUMPER WIRE BLK/WHT STEAM CANISTER DOOR SWITCH STEAM HUMIDIFIER IS SHIPPED FROM THE FACTORY ORANGE WIRED FOR 240 VOLTS.
- Page 19 INSTALLATION Field wiring FIGURE 15-1: XTR CONTROL BOARD Factory setting for 16.0 AMP nominal operation and disabled drain tempering function. Slide DIP Switch #1 to “OFF” position for 11.5 AMP nominal operation. Slide DIP Switch #4 to “ON” position to enable drain tempering function.
- Page 20 INSTALLATION Field wiring FIGURE 16-1: XTR EXTERNAL CONTROL CONNECTIONS XTR-2 XTR INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
- Page 21 INSTALLATION Field wiring FIGURE 17-1: TYPICAL MODULATING CONTROL WIRING OM-7834 XTR INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
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Page 22: Sensor Placement
INSTALLATION Sensor placement SENSOR LOCATION IS CRITICAL Other factors affecting humidity control Sensor location has a signifi cant impact on humidifi er performance. See the Humidity control involves more than the controller’s ability to control the system. Other recommendations below and Figure 15-1. factors that play an important role in overall system control are: Note: Use humidity sensing devices only in their intended location. - Page 23 INSTALLATION Sensor placement FIGURE 19-1: RECOMMENDED SENSOR LOCATIONS 8' to 12' High limit humidistat or high limit transmitter (set at 90% RH (2.4 m to 3.7 m) maximum) for VAV applications Outside air min. Damper control Airfl ow switch or differential pressure switch (sail type recommended for VAV applications) Air handling Return air...
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Page 24: Dispersion
* Developed length equals measured length plus 50% of measured length to account for fi ttings. • DriSteem recommends 6' (1.8 m) maximum steam hose length pitched at 2"/ft (15%) toward humidifi er. Steam hose tends to sag if not supported for its full length, which leads to collecting condensate and system pressure issues. -
Page 25: Interconnecting Piping Requirements
• Support steam hose to prevent sags or low spots. mc_043012_0920 • Use DriSteem steam hose. Other manufacturers of steam hose may use unacceptable release agents or material mixes that can affect humidifi er system performance adversely. Using hose from alternative manufacturers... -
Page 26: Xtr Dispersion Tube
INSTALLATION Dispersion: XTR dispersion tube FIGURE 22-1: XTR DISPERSION TUBE If dispersing steam with the XTR steam blower or XTR fan pack, skip this MOUNTED HIGHER THAN HUMIDIFIER procedure and go to the page listed below. 90° long Dispersion tube •... - Page 27 INSTALLATION Dispersion: XTR dispersion tube FIGURE 23-1: XTR DISPERSION TUBE DIMENSIONS FIGURE 23-2: DRIP TEE INSTALLATION FOR DISPERSION TUBE LOWER THAN End view Side view HUMIDIFIER (OR PIPING OVER AN OBSTRUCTION) 3" (76 mm) (mounting plate to fi rst tubelet) Pitch 1"...
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Page 28: Xtr Steam Blower
INSTALLATION Dispersion: XTR steam blower XTR steam blowers are designed for use in fi nished spaces. They disperse steam into large open spaces and are useful where there are no air-handling ducts. FIGURE 24-1: XTR STEAM BLOWER DISPERSION Mounted on top of the humidifi er Mounted remotely from the humidifi... - Page 29 INSTALLATION Dispersion: XTR steam blower FIGURE 25-1: XTR STEAM BLOWER RISE, On a call for humidity the XTR humidifi er produces steam and provides power SPREAD, THROW to the XTR steam blower. The steam blower distributes the steam to the room. When the call for humidity ends and the humidifi...
- Page 30 INSTALLATION Dispersion: XTR steam blower MOUNTING (CONTINUED) • Provide at least 4" (102 mm) clearance on each side of XTR steam blower WARNING for air intake. Standing water in XTR steam blower • Pitch entire length of interconnecting steam hose or tubing between Make sure the XTR steam blower is humidifi...
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Page 31: Xtr Fan Pack
INSTALLATION Dispersion: XTR fan pack FIGURE 27-1: XTR FAN PACK XTR fan packs are designed for use in fi nished spaces. They disperse steam AND HUMIDIFIER RECOMMENDED into large open spaces and are useful where there are no air-handling ducts. DIMENSIONS AND CLEARANCES On a call for humidity the XTR humidifi... - Page 32 INSTALLATION Dispersion: XTR fan pack FIGURE 28-1: XTR FAN PACK DIMENSIONS Table 28-1: XTR fan pack dimensions Dimension inches 17-1/16 7-13/16 4-3/4 6-7/8 Front Side 6-1/16 7-1/16 mc_050712_1443 Table 28-2: XTR fan pack specifications Fan inlet Fan outlet Steam dispersion Shipping Operating manifold...
- Page 33 INSTALLATION Dispersion: XTR fan pack MINIMUM CLEARANCES IN THE HUMIDIFIED SPACE Air movement due to drafts or as a result of temperature stratifi cation may cause uneven distribution of humidity within the conditioned space. To ensure even distribution, install the fan pack in a central location. To prevent condensation on surfaces and furnishings, install the fan pack so the steam being discharged has enough room to be absorbed into the air before encountering surfaces.
- Page 34 INSTALLATION Dispersion: XTR fan pack MOUNTING FIGURE 30-1: XTR FAN PACK CONNECTIONS The XTR fan pack installs between the studs of a standard 16"-on-center wall. Drywall on both sides of the wall must be removed for piping and wiring. To Electrical terminals (see Figure 27-1) ensure proper operation, the fan pack must be mounted level.
- Page 35 INSTALLATION Dispersion: XTR fan pack WIRING See Figure 14-1. 1. Mount humidistat in area to be humidified according to installation instructions included with control. Install humidistat in same room or area as fan pack, but at least 10' (3 m) from fan pack. 2.
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Page 36: Operation
OPERATION Principle of operation The XTR humidifi er delivers humidity in the form of steam to the conditioned Start-up time space via a dispersion tube in the HVAC system duct, or an optional XTR steam The time needed for the XTR electrode humidifi... - Page 37 OPERATION Principle of operation FIGURE 33-1: XTR HUMIDIFIER PRINCIPLE OF OPERATION Steam outlet Fill cup Overfl ow High water sensor Electrodes Steam cylinder Electrical resistance in fi ll water Fill line Fill valve Drain valve 90-1522 Drain cup Supply water Drain XTR INSTALLATION, OPERATION, AND MAINTENANCE MANUAL...
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Page 38: Control Panel
Humidifi er continues to operate, but at reduced capacity. Service Operational problem with humidifi er. Humidifi er shuts down. Occurs when unit detects over-current which can Solid red be caused by failure to drain or other system failures. Contact DriSteem for assistance. XTR INSTALLATION, OPERATION, AND MAINTENANCE MANUAL... - Page 39 OPERATION Control panel During initial start up with a new cylinder, the humidifi er may run through a Outdoor temperature and indoor RH series of drain and fi ll cycles until the conductivity of the water is in a range It is important to adjust the RH setting according to Table 35-1 to avoid excessive that allows normal operation.
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Page 40: Start-Up
OPERATION Start-up START-UP CHECKLIST ☐ Read this manual and other information sent with your humidifi er. WARNING ☐ Verify that fi eld wiring is done per instructions in this manual and per unit Electric shock hazard wiring diagram. Only qualifi ed electrical personnel ☐... - Page 41 OPERATION Start-up START-UP PROCEDURE WARNING The control for your humidifi er (purchased separately) mounts either in the return air duct or on a wall in the humidifi ed room. If a blower or fan pack is Hot surface and steam hazard installed, a call for humidity will turn on the indoor unit blower.
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Page 42: Maintenance
12. Slip steam hose over top of cylinder, and tighten hose clamp. Note: 13. Reattach three wires to posts on top of cylinder. (Larger electrode DriSteem recommends keeping a spare steam conductors are interchangeable.) cylinder in stock during the humidifi cation season. -
Page 43: Drain Valve
MAINTENANCE Drain valve FIGURE 39-1: DRAIN VALVE ASSEMBLY If either of the following issues occur after several months of runtime, follow the MAINTENANCE drain valve maintenance procedures below. See Figure 39-2. Drain valve body O-ring • Drain valve is closed, but draining and fi lling continue. Drain valve coil •... -
Page 44: Troubleshooting
XTR humidifi er. Electric shock hazard Contact with electrical circuits can If a problem persists, call DriSteem Technical Support. See inset at left. cause property damage, personal injury or death. Service and TEST MODE troubleshooting must be performed by To check general function of humidifi... - Page 45 MAINTENANCE Troubleshooting TEST MODE (CONTINUED) 8. Press On-off button again. Listen for click as fill valve is de-energized. Water should stop flowing. If valve remains energized, check for voltage across CON! FILL terminals on control circuit board. If less than 1 VAC is present, replace fill valve.
- Page 46 MAINTENANCE Troubleshooting Table 42-1: XTR humidifier troubleshooting guide Problem Possible cause Action Check L1, N/L2 and Ground connections. Check HUMIDISTAT and FAN PACK Terminal connections. Field-wired terminal HUMIDISTAT terminals must be connected to an on/off or modulating device. Control circuit board connections will be damaged if 24 volts are connected to HUMIDISTAT terminals.
- Page 47 125 to Add add 1/4 to 1/2 tab sodium bicarbonate (i.e., Alka Seltzer) to water in cylinder increase 1250 μS/cm. water conductivity. Consult DriSteem for further advice. Control setting is too low Adjust control to higher setting. Humidifi er is not Control mounted in wrong See Installation Instructions with control for correct mounting location.
- Page 48 MAINTENANCE Troubleshooting Table 42-1: XTR humidifier troubleshooting guide (continued) Problem Possible cause Action Tubing connection Check all connections. Water dripping from Fan not operating See “Fan does not operate” in Problem column below. fan pack or steam Steam outlet blocked Clean steam dispersion manifold outlet.
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Page 49: Replacement Parts
MAINTENANCE Replacement parts: Dispersion devices FIGURE 45-1: REPLACEMENT PARTS, XTR DISPERSION XTR steam blower SDU-003E OM-7727 XTR dispersion tube XTR fan pack SDU-003F OM-7511 OM-7728 Table 45-1: Replacement parts, XTR dispersion Item Description Part No. Fan, SDU-003E steam blower and SDU-003F fan pack 407109-004 XTR dispersion tube, with screws 162728-001... -
Page 50: Xtr Humidifier
MAINTENANCE Replacement parts: XTR humidifier FIGURE 46-1: XTR HUMIDIFIER REPLACEMENT PARTS OM-7803 XTR INSTALLATION, OPERATION, AND MAINTENANCE MANUAL... - Page 51 MAINTENANCE Replacement parts: XTR humidifi er Table 47-1: Table 47-2: XTR humidifier replacement parts Accessories Item Description Part No. Description Part No. Strainer, in-line, fi ll valve 300051-100 XTR fan pack (see Figure 41-1) SDU-003F Switch, membrane 408638-001 XTR steam blower (see Figure 41-1) SDU-003E Transformer 408965-003...
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Page 52: Warranty
DriSteem, or if the products have been visit our Web site: www.dristeem.com modifi ed or altered without the written consent of DriSteem, or if such products have been subject to accident, misuse, mishandling, tampering, negligence or improper maintenance. Any warranty claim must be submitted to DriSteem in writing within the stated warranty period.
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