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GS Series Gas Steam Humidifier Installation, User & Maintenance Guide IMPORTANT: Read and save this guide for future reference. This guide to be left with equipment owner. Form #07-287 150-6222...
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FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS: Do not try to light any appliance. Do not touch any electrical switch; do not use any telephone in your building.
The qualified installer · All NORTEC products are shipped on an F.O.B. or agency must use only factory authorized and factory basis. Any and all damage, breakage or listed kits or accessories when modifying this loss claims are to be made directly to the product.
HIGH ALTITUDE - A derate in input exists for installations at higher altitudes. For Canadian models, an automatic 10% derate applies to installations from 2000-4500 feet. For U.S. Models, refer to the chart below for high altitude derate information. FOR U.S. MODELS ONLY Altitude Derate % Feet...
Also, increased consulted prior to final location and installation of the static pressure (over 12" W.C.) will result in hot humidifier. NORTEC cannot accept responsibility for water going down the drain. Consult factory if this installation code violations.
· DO NOT mount humidifiers in an area where The gas inlet pipe size to the appliance is: ½” NPT for GS 100 freezing may occur. ¾” NPT for GS 200 · If humidifiers are mounted on a roof, a properly 1”...
Excessive exposure of electronics to the contaminants will also result in performance related problems. Contact NORTEC Technical Services if you have any questions. If contaminants exist, isolate the unit from the contaminated space.
· In applying the codes, reference should be given Location of air intake and flue gas terminal must comply with all local and national regulations. to the venting manufactures instructions, the serving gas supplier regulations, and the specific instructions provided in this manual. EXHAUST VENTING ·...
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Side Wall Venting Application Using BH Type Only Wall BH type vent using double wall vent Hangers Straps with all joints being air and water tight. Reference local and/ or national Nortec vent terminal codes before installing vent Condensate Exhaust venting outlet 2 ft Min. Trap 3”...
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Figure # 9 Co-venting Application Using B Vent Only UL Listed Cap Required B type double wall vent with double wall connectors is required for category I, serving two or more gas appliances. Condensate tee and trap must be installed. Take Exhaust venting the condensate to a floor outlet...
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The vent pipe must be expanded to the minimum sizes listed below for each model, increasing as code requires. GS 100 4” minimum diameter Female to Female GS 200 5”...
For sidewall vent terminations, the humidifier must vent listing and the manufacture’s instructions. be installed with the certified vent terminal that can be The special instructions listed below should be purchased from Nortec. followed as well. GS 100 3” Nortec P/N 1502321 ·...
Controls are available from NORTEC as accessories and can be ordered with the humidifier. Controls by others may also be used as long as they ELECTRICAL meet the criteria noted below.
NOTE: VoltageAt Terminal Block Must Be InAccordance With Spec. Label. All Wiring To Be InAccordance With Existing NationalAnd Local Electrical Codes. PRIMARY120V 1 phase line voltage wiring to unit Ground Wire Ground Ground 120V/1ph 2 Pole Terminal Neutral Neutral Block Note: - 120V/ 1 phase Supply.
GS SERIES EXTERNAL CONTROLS WIRING CONNECTIONS LOW VOLTAGE TERMINAL STRIP NOTE: This is a generic wiring diagram only. For specific wiring instructions, it is necessary to refer to the wiring diagram which is supplied with each unit. WA R N I N G : F a i l u r e t o w i r e t h e c o n t r o l l e r i n a c c o r d a n c e w i t h t h e w i r i n g d i a g r a m t h a t w a s s u p p l i e d w i t h t h e u n i t c o u l d p e r m a n e n t l y d a m a g e t h e G S T C / G S P b o a r d .
· Check operation of all on/off controls before starting humidifier. 3/4” O.D. · Calibration of controls (on/off or modulation) in Drain (Hose clamp by Nortec) the field may be necessary due to shipping and Manual handling. Verify humidistat accuracy before Shut-off commissioning system.
Figure #11). The manual shut off valve must States or CAN/CGA B149 Installation codes in always be in the open position when the unit is Canada. NORTEC can not accept responsibility for operating but can be closed for servicing of the installation code violations.
Figure # 15 GSTC Outdoor Clearance Minim um Re quire d Cle a ra nce s Mode l Front Le ft Right Ba ck GSTC Outdoor 100 30" (76cm) 40" (101.6 cm) 6" (15.25 cm) GSTC Outdoor 200 30" (76cm) 40"...
· service door. Refer to Figure #17 for details. Ensure that the humidifier is mounted level. · Nortec recommends that each Gas Fired · The pan in the bottom of all outdoor models has Humidifier has it’s own regulator installed in line to a pipe chase for routing of services into the the unit.
· All required exhaust venting is provided with each outdoor model above the electrical access door, GS Outdoor model, by Nortec, including rain cap is available for mounting of the disconnect switch. and storm collar. All venting components Two electrical conduits are provided for routing...
Figure #22 FILL WATER SUPPLY LINE Drain Connection · Each unit is supplied with a ½” NPT male connection to the fill valve. Refer to Figure #21 for connection details. A minimum fill rate of 10 l/min (2.6 gal/min) is required for all unit sizes. Allowable pressure range is 30-80 psig.
The GS 100 has a single removable combustion Steam line chamber/heat exchanger. The combustion system is (Insulation duplicated on larger units with multiple chambers recommended) inside a common tank.
On initial start-up, the solenoid operated fill valve Qualified personnel must correct any deficiencies fills the tank. The water level reaches the backup float with the installation before commissioning takes place. first and then the main float. If the backup and main floats do not read the same water level during the Prior to starting the humidifier, it is necessary to operation of the unit, the unit will shut down on a fault.
· At the completion of the float test, the humidifier · At the completion of the float test, the humidifier will begin the combustion sequence by energizing will begin the combustion sequence and each the combustion blowers burner will ignite in sequence ·...
GS INSPECTION CHECK LIST HUMIDIFIER MOUNTING £ Verify proper clearances around the unit £ Humidifier mounted level £ Humidifier properly secured to stand and stand bolted to floor £ All service doors accessible £ Roof curb sized correctly (Outdoor Model Only) GAS PIPING £...
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Conductivity: mhmos Hardness: _GPG Silica ppm Chlorides: _______ NOTE: Failure due to chloride corrosion is not covred under Nortec’s standard warranty. Consult factory for more information. ELECTRICAL INSTALLATION £ Comply with local regulations £ Proper supply voltage (must match rating plate) and breaker size £...
(GSP models). Note: Water quality conditions resulting in Another effective means of controlling the amount component failures are not covered under NORTEC’s of scale in the tank is with the use of the Full Tank standard warranty. Blowdown (FTBD) built into the software. When this feature is activated, the drain pump will be energized ·...
All maintenance work must be performed by water may be used with all models. Consult your experienced and trained personnel. NORTEC representative for quote on a water treatment system. Periodic cleaning of the screens in the vent terminal (where applicable) is recommended.
MANDATORY MAINTENANCE SCHEDULE 30 DAYS WHAT NEEDS TO BE DONE? END OF PARTS after initial SEASON REGULAR MAINTENANCE PREVENTIVE MAINTENANCE start-up Hot Surface - Check for continuity. Ignitor - Replace hot surface ignitor and flame sensor with replacement kit. - Check that Flame Sensor is straight. Flame Sensor - Clean sensor with fine steel wool.
Please consult NORTEC prior to using any chemicals. Once the lid has been replaced, fill the unit CLEANING THE STEEL TANK with water and examine for leaks.
The switch board must be replaced into the same NOTE: Proper polarity of supply voltage to the position as before cleaning and the tie -wrap must be unit is necessary for flame sensing to occur. Oxidation used to hold the float chamber in position. on flame sensing rod can reduce measured current.
2. Remove the right side service access door. experienced and trained personnel. 3. Disconnect all wiring to the combustion Only use original NORTEC spare parts to replace blower, gas valve, air proving switch, igniter defective components. Damage caused by and flame sensor (note the connector non-approved parts is not covered under NORTEC’s...
with a new burner. Inspect and replace any any gaskets that may be damaged. When gaskets that may be damaged. Tighten the 4 mounting the gas valve/air inlet assembly to brass nuts of burner mounting plate to a the combustion blower, ensure that the cork torque of 95 in-lb.
Figure #30 5. Remove screws (2) holding the switch. Gas Valve Replacement 6. Reverse above procedure to re-install. Float Chamber Replacement 1. Drain the contents of the tank and then shut off electrical power and water supply to the humidifier. 2.
Ignition Module Replacement Figure #34 Transformer Assembly 1. Shut off electrical power to the humidifier. 2. Remove the front electrical access door. 3. Disconnect all wiring connections to the ignition module, labeling as required. 4. Remove the 2 screws securing the ignition module and remove.
Drain Pump Replacement 1. Drain the unit completely. If the pump is broken use the auxiliary drain out port. 2. Shut off electrical power to the appliance. 3. Remove front and right doors. 4. Remove wiring connections to the pump. 5.
Removal of Heat Exchanger Figure #38 Heat Exchange Assembly 1. 1. Take the humidifier out of operation. 2. 2. Disconnect the gas supply pipe from the connection on the humidifier and close off the pipe. 3. 3. Unlock and remove the right side panel(s). 4.
3 DAY DRAIN 3 DAY DRAIN FUNCTION SW3/7 Function Disabled Function Enabled (Factory set) KEEP WARM 3 DAY DRAIN FUNCTION SW5/7 Function Enabled Function Disabled (Factory set) - 3 day drain MAINTENANCE (GSP) MAINTENANCE INTERVAL (GSP) SW3/8 500 hour (Factory set) 1000 hour ANALOG CHANNEL 1 Input Range...
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INPUT CHANNEL DUAL CHANNEL FUNCTION SW4/5 One Channel Input Dual Channel Inputs TIME PROPORTIONING TIME PROPORTIONING SW4/7 Disabled (Factory set) Enabled BLOWDOWN (GSP) BLOWDOWN SW5/1 SW 5/2 SW5/3 25% (Factory set) MAINTENANCE SHUTDOWN MAINTENANCE SHUTDOWN FUNCTION SW5/4 Unit will shutdown 72 hours after service time expired, by gen- erating an error.
NORTEC TC CONTROLLER Menu Structure INTRODUCTORY SCREEN MAIN MENU USE THE UP/DOWN NORTEC GSTC-400 ARROWS SYSTEM STATUS TO MOVE THE VERSION X.XX MENU POINTER TO SERVICE LEVEL SELECT A MENU ITEM. SYSTEM LOCKOUT MENU USER SETTINGS TO OPEN THE 09.05.02 9:30...
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SYSTEM STATUS 1 of 2 MAIN MENU SYSTEM STATUS 1. DISPLAY TOGGLES BETWEEN STATUS: LOCKOUT LOCKOUT, ACTIVE, AND STANDBY, DEPENDING ON SYSTEM DEMAND DEMAND CHANNEL 1 0% MENU USER SETTINGS DEMAND CHANNEL 2 0% 2. ONLY VIEWED IF UNIT ENTER IS CONFIGURED FOR CAPACITY LIMIT DUAL CHANNEL.
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SYSTEM STATUS 2 of 2 SYSTEM STATUS MAIN MENU 1. DISPLAYS THE USER SYSTEM STATUS SELECTABLE MAINTENANCE INTERVAL SERVICE INTERVAL SERVICE LEVEL MENU HOURS 2. DISPLAYS THE TIME LEFT USER SETTINGS BEFORE MAINTENANCE REMAINING XXX HOURS ENTER IS DUE START DATE: MM:DD:YY 3.
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SERVICE LEVEL 1 of 2 MAIN MENU SERVICE INTERVAL SYSTEM STATUS SERVICE INTERVAL SERVICE INTERVAL SERVICE (HR) XXX HOURS SERVICE HISTORY XXX HOURS SERVICE LEVEL MENU FAULT HISTORY CHANGE VALUE XXX CLEAR REMAINDER? USER SETTINGS ENTER TANK DRAIN TANK PRE-CLEAN BURNERS SHORT CYCLE DELAY SERVICE INTERVAL...
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SERVICE LEVEL 2 of 2 SERVICE LEVEL MAIN MENU SYSTEM STATUS SERVICE INTERVAL THIS WILL DRAIN THIS WILL DRAIN SERVICE HISTORY CONTENTS OF TANK CONTENTS OF TANK SERVICE LEVEL MENU FAULT HISTORY USER SETTINGS CONTINUE? ENTER TANK DRAIN TANK PRE-CLEAN BURNERS 1.
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USER SETTINGS 1 of 3 CHANGE TIME XX:XX 0335 MAIN MENU SYSTEM STATUS DATE/TIME/UNITS CHANGE DATE TIME HH:MM LANGUAGE CONTROLS SERVICE LEVEL MENU MM.DD.YY 0335 DATE MM.DD.YY WATER MANAGEMENT USER SETTINGS ENTER CONTROL TYPE UNITS: LB/HR CAPACITY LIMIT CALIBRATE SELECT UNITS 1.
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USER SETTINGS 2 of 3 FTBD HOURS CHANGE HOURS? XXX 0335 FTBD HOUR 0335 CHANGE HOUR? XX BLOWDOWN RATE USER SETTINGS 0335 CHANGE VALUE XX% PAGE 1 STEAM OUTPUT MAIN MENU FTBD HOURS SYSTEM STATUS DATE/TIME/UNITS FTBD HOUR FLOAT CHECK LANGUAGE CONTROLS SERVICE LEVEL MENU...
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USER SETTINGS 3 of 3 USER SETTINGS MAIN MENU SYSTEM STATUS DATE/TIME/UNITS CONTROL TYPE CONTROL TYPE PRESS LANGUAGE CONTROLS ENTER TO SERVICE LEVEL MENU 0335 CONTROL INPUT SELECT CONTROL INPUT WATER MANAGEMENT USER SETTINGS CONTROL ENTER CONTROL TYPE TYPE TRANSDUCER INPUT TRANSDUCER INPUT CAPACITY LIMIT CALIBRATE...
User Settings: (password protected) NORTEC TC CONTROLLER This section allows the user to set parameters INTRODUCTORY SCREEN specific to their requirements. For further details see specific section below. NORTEC GSTC-400 Diagnostics: (safety loop protected) VERSION X.XX Allows the user to activate and monitor various SYSTEM LOCKOUT system operations.
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Output/Burner: SYSTEM STATUS This field will display the actual output of steam SCREEN 1: generated by each burner (kg/hr or lbs/hr). Total output: STATUS: LOCKOUT This field will display the total system steam output DEMAND CHANNEL 1 0% (kg/hr or lbs/hr). DEMAND CHANNEL 2 0% SCREEN 3: CAPACITY LIMIT...
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closed the display will indicate “1”. Closed indicates SCREEN 4: that the tank temperature is above 160ºF (70ºC). This input is used for the “keep warm” feature and SERVICE INTERVAL for activating the fill valve during blowdown cycles. XXX HOURS SCREEN 6: REMAINING XXX HOURS START DATE: MM:DD:YY...
SERVICE LEVEL SERVICE INTERVAL SERVICE HISTORY FAULT HISTORY TANK DRAIN TANK PRE-CLEAN BURNERS SHORT CYCLE DELAY The service level area is where service related tasks are performed. Below is a description of each field and what can be performed in them. When a parameter requires a change, press the two arrow keys and enter the password (0335).
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Y = total number of recorded services (up to 10 maximum). STEAM HOURS XXX (DATE/TIME) This field displays the steam hours and the date and time when the specific service (X) was performed. SERVICE INTERVAL FAULT HISTORY X/Y SERVICE HISTORY FAULT HISTORY (TYPE OF FAULT) TANK DRAIN...
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Tank Pre-Clean The tank pre-clean feature when activated will activate the drain valve for a fixed period of time (depending on unit size). The fill valve will then activate, filling the tank partially with cold water. At the completion of the fill cycle the tank will once again drain.
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User Settings DATE/TIME/UNITS LANGUAGE CONTROLS WATER MANAGEMENT CONTROL TYPE CAPACITY LIMIT CALIBRATE When a parameter requires a change, press the two arrow keys and enter the password (0335). As long as you remain in this section, you will not need to enter the password more than once. Date / Time Units This field is used for modifying the Date, time and the units of measurement.
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Language Controls DATE/TIME/UNITS SELECT LANGUAGE SELECT LANGUAGE LANGUAGE CONTROLS ENGLISH ENGLISH FRENCH FRENCH WATER MANAGEMENT GERMAN GERMAN CONTROL TYPE CAPACITY LIMIT CALIBRATE This field allows the user to select the menu language of choice (English, French, German) Here the user can select the language of choice for the menu displays. To set the language, highlight the selection then enter the user code (0335).
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FTBD Hour Works in conjunction with FTBD hours. FTBD HOURS DATE/TIME/UNITS FTBD HOUR BLOWDOWN RATE LANGUAGE CONTROLS BLOWDOWN RATE CHANGE VALUE XX% WATER MANAGEMENT FLOAT CHECK HH:MM STEAM OUTPUT 0335 CONTROL TYPE FILL CORRCTN CAPACITY LIMIT DRAIN CORRCTN CALIBRATE DRAIN COOL: Here the user sets the time of day (24 hour format) when they want the FTBD to execute.
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Fill CORRCTN (correction) Used for adjusting the fill rate. Adjustments to be made under factory direction only. Drain CORRCTN (correction) Used for adjusting the drain rate. Adjustments to be made under factory direction only. Drain Cool The customer can select the type of drain water tempering they require (depending on local plumbing codes) The customer can select ON, OFF, or SMART.
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Transducer Input This section is used to configure the controller for transducer signals In this section you can adjust the proportional, integral and derivative constants. There is also a PID learn algorithm which will tune the various PID constants for optimal performance. Capacity Limit In this section the customer can adjust the maximum output of the humidifier between 25-100%.
FAULT LIST GSTC fault GSP fault code Description of fault Troubleshooting displayed displayed FAULT Once the GS controller detects an ignition -Check red LED’s on all modules for NO BURNERS module fail, it will index to the next available flashing fault code AVAILIBLE ignition module.
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FAULT LIST FAULT GIF-X Following an ignition module fault if the -Ensure that the ignition module is not GAS RE-IGNITION modules gas valve activates this fault will be miswired or that the module is not BURNER X generated. faulty by swapping it with a known good one.
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WARNING LIST GSTC Warning GSP warning Description of warning: Troubleshooting displayed displayed WARNING IMW-X Once the controller activates an ignition module, it will SEE FAULT LIST IGNITION MODULE X allow 4 minutes for the gas valve to activate. After the trial FAIL period, if the gas valve has not activated, a fault will be generated.
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GS Series Internal Components Spare Parts Description Part # GS 100 GS 200 GS 300 GS 400 GS 500 GS 600 Clean-Out Port Tank Cover 1506990 Gasket, Tank Cover Plate 1505949 Tank Replacement Kit GS 100 1507653 GS 200 1507654...
GS Quick Reference Item GS 100 GS 200 GS 300 GS 400 GS 500 GS 600 Gas Pressure 5/14 Natural Gas min "wc/mbar Natural Gas max "wc/mbar 9/22 10/23 Propane min 14/34 Propane max Min free air opening in/cm 13/33...
Any further warranty must be in writing, signed by an officer of THE COMPANY. THE COMPANY's limited warranty on accessories, not of NORTEC's manufacture, such as controls, humidistats, pumps, etc. is limited to the warranty of the original equipment manufacturer from date of original shipment of humidifier.
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- www.humidity.com - U.S.A. - AxAir NORTEC Inc. 826 Proctor Avenue, Ogdensburg, New York, 13669 CANADA - AxAir NORTEC Ltd. 2740 Fenton Road, Ottawa, ON, K1T 3T7 1-(866) NORTEC-1 Fax - (613) 822-7964 A WMH COMPANY...
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