Europe Installation and Operation Manual
Contents
1. 12 Vertical venting requirements 13 Horizontal venting 13 Operation Startup checklists oss seess ROI RR OES ed dC pde 14 DIGS 4 pope ae bees Heals AG pem ROGO UE SCR ENG RR 14 Maintenance Cooldown procedure 15 Shutdown procedure 15 Inspection and maintenance 15 Inspection recommendations RO DI water quality recommendations 17 Inspection intervals 17 Inspection IEMS 65 5 sp POR EAE RES 17 Burner assemblies and heat exchanger tubes 18 Burner maintenance 18 Burner maintenance instructions 18 Burner tuning 19 Waman e BRAS HORE 11 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL The Vapor logic5 Installation and Operation Manual is a comprehensive manual Refer to it for Setup and menu information Input signals and functions Alarms and messages Firmware updates Troubleshooting Safety features Options The manual was shipped with your humidifier It is also available on our website www dristeem com Before you begin Electrical warning2. O Piping gas e Verify that the gas type supplied to the humidifier matches the humidifier nameplate label Verify that all field installed and humidifier gas piping has been tested for leaks Note Soap and water are not recommended for leak testing See Leak testing on page 9 O Piping steam drain supply water O Electrical Verify that all piping connections have been completed as recommended and that water pressure is available Verify that all wiring connections have been made in accordance with all governing codes and the GTS wiring diagrams O Control wiring Verify that all control wiring has been completed as specified and required for correct and safe operation of the GTS humidifier O Tank Verify that the humidifier tank is Securely installed and level before filling with water level from front to back and from side to side after it is full of water START UP A WARNING Only qualified electrical and gas personnel should perform start up Refer to the Vapor logic version 5 Installation and Operation Manual for details about commissioning menu navigation firmware updates humidifier troubleshooting and more During start up and operation the humidifier operating status appears on the Vapor logic keypad display Home screen Figure 14 1 Do not leave the humidifier unattended during initial startup monitor operation through multiple fill cycles To change Mode or Set point 1 Pr
3. However at the end of a humidification season drain the humidifier either by manually opening the drain valve If the humidifier was purchased with end of season drain it is already programmed to drain INSPECTION INTERVALS e the user every 30 days e Appliance system inspected once a year by a qualified service person INSPECTION ITEMS e Proper field operation of burner Measure CO ppm CO 76 flue temperature and burner efficiency at 100 demand with the tank at a boil Verify that measurements are within the guidelines described in burner tuning e Burner flame is blue or orange in color up to 6 mm from the surface of the burner A WARNING Shutdown procedure Perform the shutdown procedure on page 15 before proceeding e Inspect flue passageways external to the appliance such as vent connector and chimney Make sure they are clear and free of obstructions e Ensure that vent connector is in place sloping upward and physically sound without holes or excessive corrosion e Ensure that physical support of the humidifier is sound without sagging cracks or gaps between floor stand or tank flanges e Ensure that there are no obvious signs of deterioration of the humidifier DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 7 Inspection recommendations BURNER ASSEMBLIES AND HEAT EXCHANGER TUBES This is not a regular maintenance item but if the heat exchanger tubes contain carbon deposits so
4. See Table 6 2 Table 6 2 Supply water flow rates liters per minute Supply Solenoid valve flow rates Float valve flow rates RO DI water pressure ltap softened water Models 100 400 Models 500 800 200 kPa 7 2 6 7 17 0 350 kPa 9 0 8 8 22 5 450 kPa 10 2 9 9 25 4 550 kPa 11 1 10 8 27 6 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL SUPPLY WATER GUIDELINES Supply water quality is an important component of humidifier reliability and maintenance Examples Corrosive water can decrease the service life of the humidifier e Excessive water hardness can increase the humidifier maintenance requirements To maximize humidifier service life and minimize humidifier maintenance DriSteem has established guidelines for supply water See Table 6 1 Table 6 1 DriSteem supply water guidelines Chlorides RO or DI water lt 5 ppm Softened water lt 25 ppm Tap water lt 50 ppm Damage caused by chloride corrosion is not covered by your DriSteem warranty Total hardness Tap water lt 500 ppm pH RO DI or softened 7 to 8 6 5 to 8 5 Tap water Silica lt 15 ppm You may wish to take action to mitigate potential negative effects to your humidifier Supply water outside of these guidelines may void your DriSteem warranty Please contact your DriSteem distributor if you need advice Drain piping The drain line piped from the humidifier must be run to an
5. 92 m3 h 13 85 16 92 m3 h 7 86 m3 h 8 94 m3 h 220 C 0 025 mbar 41 4 g s 700 16 17 m3 h 19 74 m3 h 16 17 19 74 m3 h 9 17 m3 h 10 43 m3 h 220 0 025 mbar 48 3 g s 800 18 48 m3 h 22 56 m3 h 18 47 22 56 m3 h 10 48 m3 h 11 92 m3 h 220 C 0 025 mbar 55 2 g s DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL Safeguards The GTS humidifier has a number of safeguards to ensure proper operation When there is a call for humidity all of the combustion blowers must start Each combustion blower sends a signal to the microprocessor relaying its speed If the speed is outside an acceptable range the GTS will not operate The negative pressure gas valves used on the GTS humidifier are designed to keep a constant ratio of air and gas throughout the operating range of the blower If the blower fails to run the GTS humidifier will shut down due to a blower fault If the flue becomes blocked the blocked flue sensor will shut down the humidifier During operation the water level in the tank is monitored by a probe system for tap softened water humidifiers and by a low water float switch for humidifiers with the RO DI water option see Figure 3 1 These water level monitors tie into the Vapor logic controller If the water level drops below a safe point the controller turns the burners off and tries to fill the tank If unable to fill the tank within a defined time period an Excessive refill time alarm appears i
6. If temperature or CO percentage are higher than the ranges in step 6 turn the throttle screw clockwise 1 4 turn at a time until the readings are acceptable If CO percentage and or burner efficiency are lower than the ranges in step 6 turn the throttle screw counterclockwise 1 4 turn at a time until readings are acceptable Note If the humidifier has multiple burners adjust them all an equal amount before retesting with the combustion analyzer If the humidifier has a dedicated gas meter use it to ensure that gas flow rate is not greater than the nameplate label on the humidifier Code dictates that flue temperature must be below 204 C plus room temperature and CO level must be below 40 ppm Reset the humidifier to the desired set point and leave the humidifier in operation DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 9 Expect quality from the industry leader Since 1965 DriSteem has led the industry with innovative methods for humidifying and cooling air with precise control Our focus on ease of ownership is evident in the design of the GTS humidifier which features cleanable stainless steel construction DriSteem also leads the industry with a Two year Limited Warranty and optional extended warranty For more information www dristeem com sales dristeem com For the most recent product information visit our website www dristeem com DRI STEEM Corporation a subsidiary of Research Product
7. N m Verify that the probe rod holder is secure and that the probe plug and cable assembly are plugged into the probe rod holder Verify that the drain valve assembly is in the closed position Replace and secure all covers and doors Turn on water supply Turn on electrical power Turn on gas Do not leave humidifier unattended Allow humidifier to cycle through multiple fill cycles and verify that humidifier cover cleanout plate and probe holder gasket are not leaking 3 Off season maintenance Tap softened water humidifiers Inspect and clean the following Probe rods Skimmer port and water seal Humidifier tank and gaskets Heat exchanger After cleaning the humidifier should remain empty until humidification is required Humidifiers with the RO DI water option Inspect the following Float valve Low water cutoff switch Redundant low water cutoff switch Inspection recommendations RO DI WATER QUALITY RECOMMENDATIONS e Verify regularly that water processing equipment is operating correctly The presence of chlorides in improperly processed DI water can cause pitting and failure of the tank and heat exchanger e GTS humidifiers with the RO DI water option do not require regular cleaning although regular inspections are advised e GTS humidifiers with the RO DI water option do not require skimming or draining and flushing to remove precipitated minerals
8. Note Use above multiplying factor with Table 9 2 when the specific gravity of 21 1 3 27 5 10 5 15 9 gas is other than 0 60 natural gas or 1 53 propane 24 1 2 2 5 4 8 9 9 15 0 27 1 1 2 4 4 5 9 13 9 30 1 1 2 2 4 2 8 6 13 0 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 9 Combustion and ventilation air The GTS humidifier supports both room air and sealed combustion e Do not install the humidifier in a dusty environment e When the GTS humidifier is installed an environment with negative pressure or toxic air it must have sealed combustion ROOM AIR COMBUSTION A WARNING Air for combustion Air for combustion must not be contaminated by halogen compounds which include fluoride chloride bromide and iodide These elements are found in aerosol sprays detergents bleaches cleaning solvents salts air fresheners and other household products Failure to follow these instructions could cause severe bodily injury or death e All fuel burning equipment must be supplied with air for combustion Sufficient air must be provided to ensure there is not a negative pressure in the equipment room or space e Do not block or obstruct air openings on the appliance spaces around the appliance or air openings to the appliance area e Do not block the flow of combustion and ventilation air To provide necessary oxygen for proper combustion openings must be provided to allow outside air t
9. connections and joints Observe clearances in accordance with applicable codes from all combustible materials and install an approved cap for the stack outlet The bottom of the cap must be one stack diameter above the top of the stack Extend chimney or vent at least 1 m above its passage through a roof and at least 0 6 m above any ridge within 3 m of the chimney governing codes apply The vent system must terminate above the roof surface per the local and national directives and regulations for the installation of gas fired equipment DriSteem recommends installing a high wind vent cap on alll GTS humidifiers This humidifier may be commonly vented with other listed Category gas fired appliances Total input rates of all appliances determines the vent size HORIZONTAL VENTING REQUIREMENTS e Contact your DriSteem distributor for all horizontal venting parts e Ensure that distances from vent terminal to adjacent public walkways buildings and openable windows and building openings are consistent with local and national directives and regulations for the installation of equipment e In areas accessible to the public vent terminal must be at least 2 1 m above ground level to prevent burns from hot terminal surface e The vent terminal and air intake locations must be at sufficient height above ground level to prevent blocking by expected snowfall e Maintain minimum horizontal clearance of 1 2 m from
10. RODUCTS The exclusion applies regardless of whether such damages are sought based on breach of warranty breach of contract negligence strict liability in tort or any other legal theory even if DriSteem has notice of the possibility of such damages By purchasing DriSteem s products the purchaser agrees to the terms and conditions of this Limited Warranty Extended Warranty The original user may extend the term of the DriSteem Limited Warranty for a limited number of months past the initial applicable warranty period and term provided in the first paragraph of this Limited Warranty All the terms and conditions of the Limited Warranty during the initial applicable warranty period and term shall apply during any extended term An extended warranty term of an additional twelve 12 months or twenty four 24 months of coverage may be purchased The extended warranty term may be purchased until eighteen 18 months after the product is shipped after which time no extended warranties are available Any extension of the Limited Warranty under this program must be in writing signed by DriSteem and paid for in full by the purchaser mc_051308_0630
11. UIDELINES A WARNING Installation requirements The humidifier must be installed by a qualified technician and meet the requirements of all governing codes Failure to follow these instructions could cause severe bodily injury or death The GTS humidifier is a Fan Assisted Category natural draft Appliance It is a Class B23 appliance without a draught diverter with a combustion air blower upstream of the heat exchanger A GTS humidifier with the sealed combustion option is a Class C53 appliance Installations where the vent terminates in a side wall of the building or where the overall horizontal run exceeds the overall vertical run require a power venter Maximum flue temperature under normal operating conditions is 205 C plus ambient Maximum abnormal operation flue temperature is 348 C plus ambient Flue draft negative pressure greater than 50 Pa may cause unacceptable post ignition Vent piping must be approved for a Category appliance Do not use more than one type of venting per application Vent terminal must be at least 1 m above any forced air inlet located within 3 m Do not use vent equipment from more than one manufacturer When connecting the humidifier to a gas vent or chimney installation must conform to Local and national directives and regulations for the installation of gas fired equipment Governing and building codes Vent manufacturer s instructions When applying the
12. approved sanitary waste or suitable drain Although the GTS humidifier is equipped with integral water tempering if nonmetallic drain pipe or hose is used DriSteem recommends it be rated for 100 C minimum continuous operating temperature Minimum drain pipe size is DNAO inside diameter Do not reduce the size of the drain piping If the length of the drain piping exceeds 3 m increase the pipe size If combining multiple drain lines ensure proper common pipe sizing practices are used Do not install the humidifier directly above a floor drain skim and drain water dumped into the drain will cause flash steam which will rise and saturate electrical components adversely affecting their life and performance An open drain with a 25 mm air gap between the drain piping and the drain is required Locate the air gap only in spaces with adequate temperature and air movement to absorb flash steam otherwise condensing on nearby surfaces may occur Drain piping downstream from the water seal must be pitched a minimum of 1 toward the drain Governing codes may require more pitch If the proximity of a drain requires the humidifier drain and skim water to be lifted use a water pump with capacity of at least 45 4 liters per minute A check valve is required on the discharge of the pump Electrical power for the pump is independent of the humidifier The GTS humidifier has an auxiliary DN40 drain outlet below the subpanel This drain outlet can be h
13. ard piped during installation to enable rapid tank draining before maintenance Next to this outlet is a cleanout plate that provides access for removing scale from the tank bottom DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 7 Gas piping Important The required supply pressure is 20 or 25 mbar for natural gas and 30 37 or 50 mbar for propane gas A WARNING Fire hazard Supply the humidifier only with the gas type natural gas or LP gas listed on the humidifier name plate Failure to supply the humidifier with the listed gas type could result in burner failure or a fire causing property damage personal injury or death Follow the GTS humidifier gas piping instructions below Conform to local and national directives and regulations for the installation of gas fired equipment After threading and reaming ends of pipes inspect piping and remove loose dirt and chips Support piping so there are no strains imposed on humidifier or controls Use two wrenches when connecting piping to humidifier or controls Provide a drip leg before each humidifier and in the line where low spots cannot be avoided Take off to humidifier should come from top or side of main to avoid trapping condensate Piping that is subject to wide temperature variations should be insulated Pitch piping up toward humidifier at least 6 mm per 4 5 m of horizontal run Compounds used on threaded joints of gas piping must be resistant to the harmful ac
14. chase price at DriSteem s election DriSteem shall not be liable for any costs or expenses whether direct or indirect associated with the installation removal or reinstallation of any defective product The Limited Warranty does not include cylinder replacement for electrode steam humidifiers DriSteem s Limited Warranty shall not be effective or actionable unless there is compliance with all installation and operating instructions furnished by DriSteem or if the products have been modified 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 Defective parts may be required to be returned to DriSteem DriSteem s Limited Warranty is made in lieu of and DriSteem disclaims all other warranties whether express or implied including but not limited to any IMPLIED WARRANTY OF MERCHANTABILITY ANY IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE any implied warranty arising out of a course of dealing or of performance custom or usage of trade DriSteem SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS REVENUE OR BUSINESS OR DAMAGE OR INJURY TO PERSONS OR PROPERTY IN ANY WAY RELATED TO THE MANUFACTURE OR THE USE OF ITS P
15. codes see also the venting manufacturer s instructions the service gas supplier s regulations and the specific instructions provided in this manual Inspect for proper and tight construction Remove any restrictions or obstructions An existing chimney may require cleaning Do not connect this humidifier to a chimney flue servicing a separate appliance designed to burn solid fuel Never connect this humidifier to a chimney serving a fireplace unless the fireplace opening is permanently sealed off Code prohibits venting into an unlined masonry or concrete chimney If the humidifier is connected to a lined masonry chimney the chimney must be sized and installed according to the provisions of the governing codes 2 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL e Vent connector serving this appliance shall not be connected into any portion of mechanical draft systems operating under positive pressure e insulation to any roof or wall penetration vent connector that is exposed to ambient temperatures of C or less especially any application using single wall vent pipe as a connector Do not insulate vent pipe exposed to outdoor weather conditions e g above roof lines e Install vent piping as straight as possible with a minimum number of turns or elbows e Maintain a minimum upward slope of 2 on all horizontal runs e Rigidly support the vent pipe every 1 5 m or less with hanger
16. e Fill valve opens when water level is below this probe Controller disables burner if water level drops below this probe Heat exchanger Water level probe Float operated low water cutoff switch if DI RO water option Overflow outlet Thermal trip Temperature sensor Blower y ZA Gas valve AK 1247 e DI RO water option Humidifiers with the RO DI water option control water level using a float valve A low water cutoff switch and a redundant low water cutoff switch are used as safety devices Fill valve Float Steam hose or tubing Steam outlet Redundant probe Redundant low water cutoff switch if DI RO water option Subpanel control components Supply water line Drain valve Drain piping Open drain Tap softened water GTS humidifier shown DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 3 Finding a location A WARNING Installation requirements Installation must conform to the requirements of local and national directives and regulations for the installation of gas fired equipment The humidifier must be installed by a qualified technician and meet the requirements of all governing codes Failure to follow these instructions could cause severe bodily injury or death e Provide a level solid foundation for the humidifier e Locate the hu
17. electric meters gas meters regulators and relief equipment e Building materials must be protected from degradation by flue gases e Vent box pressure must be 2 5 Pa Set by adjusting power venter and barometric damper with all burners running see manufacturer s instructions included with power venter and damper A WARNING Horizontal venting with a vertical termination For applications where the vent pipe terminates in a vertical position the horizontal length must not exceed the height of the vent unless a power venter is used Failure to follow these instructions could cause flue gases to exit the vent piping causing severe personal injury or death DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 3 Operation START UP CHECKLIST After the system is installed and connected to gas electrical water supplies and controls check the following items O Verify that the GTS humidifier controls piping electrical connections steam supply and dispersion units are installed according to the following e Installation instructions in this manual Vaporlogic version 5 Installation and Operation Manual shipped with the humidifier Installation section Installation checklist e Ladder style wiring diagram shipped inside humidifier External connections wiring diagram shipped inside humidifier Gas connection instructions in this manual Mounting instructions in this manual e All governing codes
18. endations are provided to provide access and to prevent property damage from heat To further safeguard property protect heat sensitive walls and surfaces wood plastic etc with suitable insulation DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL m Flue piping Vertical section of flue must be at least 1 5 meters or meet all governing codes whichever is longer Vent cap DriSteem recommends installing a high wind vent cap on all GTS humidifiers required behind outdoor enclosure for steam outlet 1 GTS humidifier back panel 1 Outdoor enclosure back wall OM1228LW Wiring and supply water piping requirements WIRING A WARNING Installation must meet the requirements of governing codes or in the absence of governing codes in accordance with IEE wiring regulations BS767 1 Failure to follow these instructions could cause a fire resulting in severe bodily injury death or significant property damage Follow the instructions below for GTS humidifier wiring e Use only copper wire e GTS humidifiers must be supplied with 230 Vac 50 Hz separately fused electrical service e electrical subpanel must have an uninterrupted earth ground to minimize personal injury if an electrical fault should occur Install in accordance with existing electrical codes e Do not use gas piping as an electrical earth ground e Al
19. ends installing a 1 m piece of noninsulated stainless steel pipe directly off the humidifier prior to connecting to the nonmetallic tubing e Before connecting piping to the GTS humidifier thoroughly flush the supply water piping to prevent pipe residue and stagnant water from getting into the humidifier tank General supply water piping information e end of season feature shuts off the supply water and drains the tank when there is no demand for humidity for 72 hours This is a default setting and is user adjustable e The humidifier has a 25 mm internal air gap to prevent back siphoning into a potable water system Some governing codes may require additional protection such as a vacuum breaker or backflow preventer e supply water assembly has a DN10 pipe thread connection DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 5 Supply water piping TAP SOFTENED WATER The primary component of the supply water assembly is a solenoid valve which may cause noise during fill cycles During a fill cycle cold supply water drops the internal tank temperature and may collapse the boil which can cause a low rolling sound To minimize this use hot supply water In cases where water hammer occurs when the fill solenoid closes a shock arrester is recommended Reducing the supply water pressure minimum 172 kPa with fill valve open or using flexible tubing rated for 100 C minimum continuous operating temperature
20. ess Up or Down arrow to highlight Set point or Mode then press Enter to confirm selection 2 Press Up or Down arrow to increase or decrease highlighted value then press Enter to confirm Note For example to create a call for humidity increase SET PT to an RH that is higher than the displayed SPACE RH 4 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL FIGURE 14 1 HOME SCREEN Press this softkey to access Status Diagnostics Alarms and Setup Press arrow keys to navigate or to change values Press Enter to confirm selections Mode and set point can be changed from the Home screen Other parameters displayed here can be changed in the Setup menu Maintenance COOL DOWN PROCEDURE Before performing these maintenance procedures allow the tank to cool down as described here NOTE Insulated and uninsulated tanks will have hot surfaces Verify that there is no call for humidity and that the aquastat set point adjusted using the keypad display Setup screens is less than room temperature default setting is 4 C so the burners do not energize e GTS models with RO DI water option and a ball valve drain 1 Manually open the ball valve and allow approximately half of the water to drain out of the tank The float valve opens after the water level in the tank begins to drop 2 Let the fill water run until the tank is cooled then shut off the field installed manual supply water shut off va
21. ger Failure to follow these instructions could cause a fire or explosion resulting in bodily injury death or significant property damage Gas pressure test gauge Install a DN plugged tapping accessible for test gauge connection immediately upstream of the gas supply connection to the appliance Use this tap to check pressure with all burners running Leak testing After installation check field piping and humidifier gas train for gas leaks e Do not use soap solution or open flame on humidifier gas train A gas leak detector is recommended e When leak testing the gas supply piping system isolate the humidifier from the gas supply piping system by closing its field installed manual shutoff valve whenever pressure is greater than 60 mbar Table 9 1 Table 9 2 Specific gravity conversion factors Gas pipe capacities for gas pressures of 3 45 kPa or less Natural gas Gas flow in piping in m hr at pressure drop of 0 07 kPa Specific gravity 0 60 Specific gravity Factor Lenath of pi oM pipes Nominal iron pipe diameter in inches DN 0 55 1 04 0 60 1 00 DNI5 DN20 DN25 DN32 DN40 3 3 3 3 3 0 65 0 962 m m hr m hr m hr m hr m hr 3 7 7 9 14 7 29 7 45 3 Propane gas 6 2 6 5 4 9 9 20 7 31 1 Specific gravity Factor 150 0 633 9 2 1 4 3 8 16 7 25 2 1 53 0 626 12 8 3 7 6 9 14 2 21 5 1 60 0 612 15 6 3 3 12 5 19 0 E 18 1 4 3 0 5 9 11 3 17 3
22. humidifier and the safety devices The installer shall give at least this manual and the GTS Humidifier User Manual to the user at MP ett m gt a as 2 tank MX GTS Gas to Steam Humidifier Affix product label here Table of contents Before you begin 1 Safeguards 2 Product overview 3 Finding a location 4 Clearance recommendations 4 Outdoor enclosure recommendations 4 Wiring and supply water piping requirements WANG sa se s p REE OE 5 Supply water piping requirements for all water types 5 Supply water piping Tap soltened Water 242 24 65 ben o Gan ODE PERERA C AUC EROS 6 RO DI walter 25 2555 ieri E 6844843 4245 Oe 6 Supply water flow 6 Supply water guidelines 6 Drain PIPING 4 4 spega Joris RR DERE kaite o ORES OG 7 GOS PIPING eco ee hee eee aes She OR SUMO EN eI ES ER edes 8 Combustion and ventilation air ROOM eir combustion Remo oe de e X ee ORD 10 Sealed 2 vu kar RAKE RS AE UR BOCA EROR RRS 11 Venting General venting guidelines 12 Outdoor enclosure venting
23. l electrical components and wiring must be protected from mechanical damage and water e Check the electric current characteristics and capacity requirements against nameplate All wiring must be in accordance with the governing codes listed above and with the GTS wiring diagrams SUPPLY WATER PIPING REQUIREMENTS FOR ALL WATER TYPES Follow the GTS humidifier supply water piping instructions below for all water types Install supply water piping in accordance with locally applicable installation regulations e Provide a shutoff valve and union in the supply water line to isolate the humidifier from the water system while servicing minimize electrolytic corrosion install insulating unions to make connections between copper and other dissimilar metal fittings such as galvanized steel e Humidifier tank must be full of water and supply water free to flow into the tank before the ignition sequence of a newly installed humidifier is initiated e f planning to use heated supply water disconnect the supply water line from the water tempering device fill manifold tee Install a pipe plug in the manifold tee and reconnect the water tempering device line to a cold water supply e supply water pressure range must be 172 kPa minimum with fill valve open to 552 kPa maximum with fill valve closed When using nonmetallic tubing for supply water it must be rated for 100 C minimum continuous operating temperature DriSteem recomm
24. label An input derate exists when operating GTS humidifiers at a high altitude This equipment has been tested by Intertek to the Low Voltage Gas Appliance and EMC directives and Location Front door and electrical s access door Toble 1 2 has been certified by Certigaz for use anig Input derate for high altitude in all EU tri Definition Electrical shock hazard 2 s Altitude meters Input derate GTS humidifiers bearing the CE Important 0 610 0 mark are authorized for use in the This equipment is for use with the 11 75 2 European countries listed below following appliance categories Contact your distributor before 7667213 2 Table 1 3 converting to another group or supply 916 1065 6 Authorized countries of destination eae 1066 1220 8 Austria AT Latvia LV Table 1 1 1221 1370 10 Belgium BE Lithuania LT Appliance categories 1371 1525 12 Bulgaria BG Luxembourg LU C20 at 20 mbar 1526 1675 14 Cyprus CY Malta MT a C20 at 20 25 mbar 1676 1830 16 Czech Republic CZ Netherlands NL 220 625 at 20 25 mbar 1831 1980 18 Denmark DK Norway NO a G25 at 25 mbar 1981 2135 20 Estonia EE Poland PL 3 2830 37 Butane 28 30 2136 2285 22 Finland Fl Portugal PT G31 Propane at 37 mbar 2286 2440 24 mao Butane Sind France FR R
25. lower s from the system and clean dust from the wheel Remove the burner s for cleaning Removing and cleaning one burner at a time eases reassembly To dislodge particulate matter from the burner surface matrix use compressed air 700 kPa maximum Keep the air nozzle about 50 mm from the burner s surface blowing air perpendicular to the burner surface while moving the nozzle back and forth lengthwise This dislodges particles trapped in the matrix pushing them back inside the burner NOTE Avoid blowing air across the surface which tends to have a destructive effect on the burner surface Allow particulate matter to fall from the burner through the air gas inlet To assist in removing the particulate matter use a vacuum at the burner s air gas inlet 8 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL Burner tuning NOTE The GTS humidifier is adjusted for correct performance Only a qualified gas appliance technician should alter the throttle setting Follow these instructions closely to ensure proper combustion and the most efficient burner setting For humidifiers with multiple burners tune all burners individual burners can be tuned while other burners are running 1 Ensure there are no gas leaks in the gas piping and that all wiring and gas connections are complete 2 Check for proper gas supply pressure See the humidifier nameplate label 3 Apply power and gas to the humidifier Generate a call for h
26. lve 3 Let the tank drain then manually close the drain valve e GTS models with tap softened water and any model with end of season drain 1 From the Main menu enter the Tank Status submenu 2 Change mode to Drain and allow approximately half the water to drain out of the tank 3 Change the mode back to Auto the fill valve opens and the humidifier cools down 4 When the fill valve closes go back into Drain mode and allow the tank to drain completely The humidifier should be cool enough to work on A WARNING Shutdown procedure To prevent severe personal injury or death from electrical shock fire or explosion follow this shutdown procedure before performing the following service or maintenance procedures on this humidifier 1 Use Vaporlogic keypad display change the control mode to Standby 2 Place all power disconnects in OFF position and lock in OFF position 3 Close field installed manual supply water shut off valve 4 Close gas shutoff valves INSPECTION AND MAINTENANCE 1 Annually also recommended when maintenance is performed e Inspect tank piping and gaskets for water and gas leaks All safety devices in the control circuit should be cycled on and off to verify they are functioning These include High limit switch Airflow proving switch e Tap softened water humidifiers only Low water level probe Pull out probe plug fill valve should energize Redundant lo
27. may diminish the noise The minimum water conductivity for the GTS tap softened water model is 30 pS cm RO DI WATER OPTION The water level in GTS humidifiers with the RO DI water option is controlled with a float valve For models with the end of season drain option a solenoid valve is installed prior to the float valve When using nonmetallic tubing DriSteem recommends the installer place a 50 mm water seal loop in the supply water line to isolate steam during RO DI water system maintenance DriSteem highly recommends installing a strainer in the supply water line to prevent clogging of the solenoid valve or float valve orifice The strainer prevents particulate from collecting at the solenoid valve seat To minimize RO DI water waste disconnect factory piping to the water tempering device and pipe directly to a tap water source A WARNING Fire hazard if using tap softened supply water with RO DI water option If a GTS humidifier with the RO DI water option is supplied with tap softened fill water the float valve assembly will become clogged and particulate will accumulate on the low water cutoff switch float switch This will cause failure of a critical safety circuit and the potential for a dry tank fire which can cause severe property damage severe personal injury or death SUPPLY WATER FLOW RATES The rate of supply water flow into the GTS humidifier tank is determined by the supply water pressure and the inlet valve
28. midifier as near as possible to a chimney or outside wall so that the flue pipe from the humidifier is short and direct e Install the humidifier where its electrical components are protected from water during operation and service e Install humidifier in a location away and protected from drafts If installed in a separate room follow the instructions concerning combustion and ventilation air e Install humidifier in an area where leakage from the tank or its connections will not result in damage to the adjacent structure or to lower floors of the structure When such locations cannot be avoided install a suitable drain pan adequately drained under the humidifier The pan must not restrict combustion airflow e If located in an insulated space keep the humidifier free and clear of insulating materials Insulating material can be combustible Inspect the humidifier area when the humidifier is installed or when insulation is added FIGURE 4 1 CLEARANCE RECOMMENDATIONS FIGURE 4 2 OUTDOOR ENCLOSURE RECOMMENDATIONS 460 mm Back panel No ventilation louvers 920 WIN ANN WI WII WII WII CNN NS SW WI Side door Electrical access 760 mm Front door Burner blower gas valve and plumbing access e DriSteem recommends 25 mm minimum clearance between back panel and combustible surfaces These clearance recomm
29. n the Vapor logic Alarm Log The burners remain off until this alarm is cleared In tap softened water applications the water level in the tank is also monitored by a redundant low water system that operates independently of the Vaporlogic controller This system is tied directly into the power source for the gas valves If this system detects a low water condition the humidifier shuts down until water is present A GTS low water alarm will be active while the condition exists There is a temperature sensor near the top of the heat exchanger If the water level drops too low and both the main and redundant low water sensors fail to detect it the temperature sensor shuts down the humidifier to prevent an unsafe condition There is a limit control thermal trip next to the temperature sensor This thermal trip operates independently from the Vapor logic controller If the water level drops below the heat exchanger the thermal trip will directly shut down the gas valves The thermal trip has a red button that must be manually reset before the burners are able to fire again 2 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL Product overview FIGURE 3 1 GTS HUMIDIFIER COMPONENTS AND WATER LEVEL CONTROL TYPES Tap softened water Humidifiers using tap or softened water control water levels electronically using a three rod probe A redundant probe is used as a safety device Fill valve closes when water level rises to this prob
30. o enter the space where the humidifier is located Enclosed spaces such as equipment rooms must be vented for combustion air The size of air openings must be based on all gas burning equipment installed in the space Table 10 1 outlines four types of locations and the requirements of each Table 10 1 Location of humidifier and required air openings Location description Required air opening Confined space with all air from inside the building conventional frame brick or Two openings 6 5 cm per opening per 293 W input stone construction with normal infiltration The minimum free area of all openings combined is 645 cm Note this location rarely provides enough air for higher capacity humidifiers Confined space with all air from outside the building through air ducts Two openings 2 ducts 6 5 cm per opening per 586 W input Confined space with all air from outside the building from through wall openings Two openings 6 5 cm per opening per 1172 W input only ducts Unconfined space with all air from outside the building Same as confined space all air from outside the building The minimum dimension of any opening is 76 mm x 76 mm DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL Combustion and ventilation air SEALED COMBUSTION A WARNING Requirement for manifolding sealed combustion piping runs When installing sealed combustion piping for more than one GTS humidifier d
31. o not commonly manifold multiple sealed combustion piping runs without having the manifold sized for the specific installation by a licensed engineer Failure to follow these instructions could starve the GTS humidifier of combustion air resulting in either the burners not being able to light or high carbon monoxide levels which may cause severe personal injury or death The GTS humidifier supports sealed combustion using DN100 PVC or CPVC piping All GTS models have a single point connection to the blower inside the front door See Figure 11 3 When running PVC or CPVC piping for sealed combustion the maximum allowable distance to the outdoor air source is 21 3 m including 2 1 m equivalent length for each elbow The outside air source opening must be covered with a large mesh screen to prevent the introduction of unwanted materials without restricting airflow If sealed combustion piping is less than 6 m in length DriSteem recommends insulating the piping to prevent condensation SEALED COMBUSTION OR OUTDOOR ENCLOSURE To ensure a supply of clean fresh air the GTS humidifier combustion air must be at least 3 m away from any mechanical exhaust outlet FIGURE 11 3 GTS OPTIONAL SEALED COMBUSTION CONNECTION KEN AUT Wy M 7 Front door DN100 PVC or CPVC combustion air intake DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 11 Venting GENERAL VENTING G
32. omania RO G31 Propane at 30 mbar 2441 2590 26 Germany DE Slovakia SK 3 7 Butane and 2591 2743 28 Greece GR Slovenia SI G31 Propane at 37 mbar P 2744 2895 30 Hungary HU Spain ES Butane and G31 Propane at 50 mbar 2896 3048 32 Iceland 15 Sweden SE 2 Propane at 30 mbar 3049 3200 34 Ireland IE Switzerland CH s C31 Propane at 37 mbar 3201 3352 36 Italy IT United Kingdom CB C31 Propane at 50 mbar 3353 3505 38 3506 3657 40 Table 1 4 Gas specifications for GTS models Volumetric flow rate by gas category Average fl g 2 Mass flow GTS Minimum pier 2H G20 20 mbar 2L G25 25 mbar 3P G3 1 30 mbar temperature draught model combustion 2E G20 20 mbar 2LL G25 20 mbar 2E G20 G25 20 25 mbar 3B G30 30 mbar 3P G31 37 mbar at 100 requirement products 2EsG20 20 mbar 2E G25 25 mbar 2ER G20 G25 20 25 mbar 3830 50 mbar 3P G31 50 mbar demand 100 2 31 m3 h 2 82 m3 h 2 31 2 82 m h 1 31 m3 h 1 49 m3 h 200 C 0 025 mbar 6 9 g s 200 4 62 m3 h 5 64 m3 h 4 62 5 64 m3 h 2 62 m3 h 2 98 m3 h 220 C 0 025 mbar 13 8 g s 300 6 93 m3 h 8 46 m3 h 6 92 8 46 3 93 m3 h 4 47 m3 h 190 C 0 025 mbar 20 7 g s 400 9 24 m3 h 11 28 m3 h 9 24 11 28 m3 h 5 24 m3 h 5 96 m3 h 220 C 0 025 mbar 27 6 g s 500 11 55 m3 h 14 10 m3 h 11 55 14 10 m3 h 6 55 m3 h 7 45 m3 h 220 0 025 mbar 34 5 g s 600 13 86 m3 h 16
33. ot or other residue clean as follows 1 Follow shutdown procedure on page 15 2 Remove front door of humidifier Disconnect wiring to blowers flame sensors gas valves and ignition controllers Remove burner assemblies each assembly is mounted with four bolts 4 Remove vent box Use a 150 mm flue brush with a 600 mm extension and reversible drill Work brush in and out of all combustion chambers NOTE To ease reassembly disconnect components from one burner assembly at a time and clean each corresponding combustion chamber individually Remove loose deposits and residue that falls into rear header with vacuum cleaner and hose extension Inspect DNAO return tubes Clean if necessary Run thin brush between turbulator and tube wall on all four sides 480r AM Reinstall burner assemblies and gaskets vent box and gasket all electrical wiring humidifier front door and pressure switch connections BURNER MAINTENANCE FREQUENCY Under normal use conditions the burner s should not need cleaning for a minimum of five years However depending on the operating environment the burner s may require periodic cleaning to remove accumulated materials Failure to clean burners can result in reduced humidifier capacity Use sealed combustion in dirty environments See burner maintenance instructions below BURNER MAINTENANCE INSTRUCTIONS To service the burner assembly clean both the blower and the burner Remove the b
34. ottom 10 mm of each rod is the sensing portion clean these areas with a wire brush emery cloth or steel wool Inspect the composite plastic probe rod assembly for any signs of cracking roughness or deterioration If found replace probe assembly Reassemble the probe assembly e Clean the skim overflow port Water should drain from the skimmer drain pipe after each fill cycle This should be verified visually by a weekly inspection Loosen deposits in and around the skimmer overflow port with a screwdriver or similar tool flow through the water seal P trap is diminished due to mineral accumulation Remove the water seal piping from the humidifier and flush it out Replace the water seal with new piping if the minerals have hardened in the water seal Clean the low water cutout probe Remove the electrical access panel and inspect the probe rod for mineral accumulation The probe rod is located on the top of the tank near the back Use a wire brush emery cloth or steel wool to clean the probe rod Inspect blower motor Lubrication is not required e Remove dust with a vacuum Remove all dust from areas around the motor vent fan s and louvers that allow air to the shrouded area 16 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL When the maintenance requirements are complete Replace cleanout plate and tighten the nuts Torque nuts to 25 to 35 in lb 2 8 to 4 0
35. s Corporation DriSteem is an ISO 9001 2000 certified company U S Headquarters 14949 Technology Drive Eden Prairie MN 55344 800 328 4447 or 952 949 2415 952 229 3200 fax European office Grote Hellekensstraat 54 b B 3520 Zonhoven Belgium 3211823595 E mail dristeem europe dristeem com Continuous product improvement is a policy of DriSteem therefore product features and specifications are subject to change without notice DriSteem GTS Vapor logic are registered trademarks of Research Products Corporation and are filed for trademark registration in Canada and the European community Product and corporate names used in this document may be trademarks or registered trademarks They are used for explanation only without intent to infringe 2014 Research Products Corporation Form No GTSJO 0714 Part No 890000 106 Rev A Two year Limited Warranty DRI STEEM Corporation DriSteem warrants to the original user that its products will be free from defects in materials and workmanship for a period of two 2 years after installation or twenty seven 27 months from the date DriSteem ships such product whichever date is the earlier If any DriSteem product is found to be defective in material or workmanship during the applicable warranty period DriSteem s entire liability and the purchaser s sole and exclusive remedy shall be the repair or replacement of the defective product or the refund of the pur
36. s or straps to ensure there is no movement after installation The humidifier vent box should not support the weight of the vent piping No portion of the vent system should extend into or pass through any circulation air duct or plenum e Install and fire stop all vent pipe passing through floors ceilings and walls with the proper clearances from combustible material according to local and national directives and regulations for the installation of gas fired equipment e n replacement installation where an existing vent system may be used inspect the vent system for condition size type of vent material and height to meet the requirements in these instructions CAUTION Flue condensate removal Install a drip leg or flue box condensate drain for start up flue condensate removal Failure to follow these instructions could cause water to accumulate in the flue box OUTDOOR ENCLOSURE VENTING The vertical section of flue must be at least 1 5 meters or meet all governing codes whichever is longer DriSteem recommends a drip tee directly after the factory supplied vent connection DriSteem recommends a high wind vent cap on all GTS humidifiers See Figure 4 2 Venting VERTICAL VENTING REQUIREMENTS Do not reduce the vent diameter If turns are required in the vent piping make sweeping bends avoid small radius turns Use the same size stack as the vent furnished with the humidifier Maintain proper support of vent
37. tion of liquefied petroleum gases Install a ground joint union and a manual shutoff valve immediately upstream of the humidifier Do not use flexible connectors Allow at least 1 5 m of piping between any high pressure regulator and humidifier pipe connection Piping installation must conform to the requirements of the authority having jurisdiction or in the absence of such requirements must conform to local and national directives and regulations for the installation of gas fired equipment 8 DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL Gas piping e When the specific gravity of the gas is other than 0 60 for natural gas or 1 53 for propane refer to Table 9 1 e Piping to GTS humidifiers should conform with local and national requirements for type volume and gas handled and for pressure drop allowed in the line Refer to the tables on this page to determine the gas flow in m hr for the type of gas and size of humidifier to install Using this value and the length of pipe necessary determine the pipe diameter Where several GTS humidifiers are served by the same main the total capacity gas flow and length of main must be considered Avoid pipe sizes smaller than DN15 Table 9 2 allows for the usual number of fittings with a 0 7 mbar pressure drop A WARNING Fire or explosion hazard Purge air before lighting humidifier burners by disconnecting piping at gas control In no case should line be purged into heat exchan
38. umidity The Vapor logic controller has a Test Run capability to confirm system functionality This capability allows a technician to simulate a demand for steam production when there is not demand such as when performing routine maintenance To confirm functionality a Go to the Test Run section of the Diagnostics menu b Set system demand percent and set Test Run time duration c Push the Start button The humidifier mode changes to Test The burners will light and ramp up to 100 until the humidifier is producing steam At this point they will modulate to meet the demand 5 If the burners do not light refer to the Troubleshooting guide in the Vapor logic version 5 Installation and Operation Manual shipped with the humidifier Note This manual is also available on the Literature tab at www dristeem com 6 After the water temperature reaches 100 C and the tank is at a boil use a combustion analyzer to determine the combustion characteristics of the burners Guidelines for products of combustion are CO less than 40 ppm low single digits is the norm e CO from 8 to 10 preferably 9 e between 4 and 7 Flue Temperature less than 204 C plus room temperature Burner efficiency greater than 80 Orange color flame Ke Locate the throttle screw on the gas valve assembly See Figure 19 1 FIGURE 19 1 THROTTLE SCREW Remove cap Throttle screw is inside of housing
39. w water level probe e Humidifiers with the RO DI water option only Verify that the float valve is closing off If the float valve will not shut off there may be particulate on the valve seat or the seat may be worn and in need of replacement NOTE As long as mineral free water is used in the GTS no cleaning or flushing of the humidifier should be necessary 2 Seasonally or as required depending on water quality Tap softened water humidifiers only e Clean tank Remove cleanout plate and dispose of any loose scale that has collected in the tank Do this before the scale buildup reaches the bottom of the heat exchanger Inspect the area inside the tank in front of the drain valve fitting and thoroughly clean alll scale and mineral buildup from that area e Dismantle and clean drain valve and associated piping DRISTEEM GTS HUMIDIFIER INSTALLATION AND OPERATION MANUAL 15 Maintenance Seasonally continued Clean the probes Access the probe assembly either from the electrical panel or by removing the roof panel above the electrical area Disconnect the probe plug and cable assembly and unscrew the probe rod assembly from the humidifier probe housing Clean the probe housing ensuring that all the housing passageways are clear Remove the housing from the tank by removing the cover plate from the tank Note The scale should flake off easily from the probe assembly rods The b
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