Thank you for choosing Nortec,INSTALLATION DATE MM DD YYYY. Proprietary Notice, This document and the information disclosed herein are proprietary data of WALTER MEIER LTD Neither this. document nor the information contained herein shall be reproduced used or disclosed to others without the. written authorization of WALTER MEIER LTD except to the extent required for installation or maintenance of. recipient s equipment All references to the Nortec name should be taken as referring to WALTER MEIER LTD. Liability Notice, Nortec does not accept any liability for installations of humidity equipment installed by unqualified personnel or. the use of parts components equipment that are not authorized or approved by Nortec. Copyright Notice, Copyright 2011 WALTER MEIER LTD All rights reserved. 3 General 83 Wiring Diagrams,7 Installation Spare Parts. 8 Indoor Installation,10 Gas Piping,12 Combustion Air Requirements. 13 Exhaust Venting,18 Installation As A Category 1. 19 Installation As A Category III,20 BH Vent Manufacturers. 21 Electrical,26 Plumbing,29 Outdoor Installation,37 Operation. 38 Start Up Procedure,41 Taking Out of Operation,44 Scale Management. 45 Fault Conditions,47 Maintenance,48 Draining The Tank. 50 Cleaning The Tank,51 Servicing The Unit,52 Component Replacement. 59 Key Pad,76 Troubleshooting,Introduction,CAUTION Servicing. Every person working with the Nortec GS Series must read and understand the. installation and operating instructions before carrying out any work. Disconnect main power before any servicing, Do not store or use gasoline or other flammable vapors and liquids in the vicinity. of this or any other appliance, Poorly maintained humidifiers can endanger health of building occupants. The GS must be serviced in the intervals described in the maintenance section of. this manual, Installation and service must be performed by a qualified installer service agency. or the gas supplier, Be mindful of weather Opening a GSTC Outdoor enclosure exposes internal. components that should not come into contact with water It is not recommended. to perform ay service on an Outdoor GSTC during rain snow sleep or hail. CAUTION Electrical, All electrical work should be done according to local electrical code. Electrical connection to be performed by a licensed electrician. CAUTION Plumbing,Plumbing to be performed by a licensed plumber. All plumbing work should be done according to local plumbing code. Unit damage caused by water quality outside of the specified ranges is not. covered under warranty,CAUTION Installation, Regardless of selecting On Off or modulating control method Nortec humidifiers. must have a closed circuit across its On Off security loop control terminal to. operate Nortec highly recommends the use of a high limit humidistat and an air. proving switch in series for this function, Walter Meier does not accept any liability for installations of humidity equipment. installed by unqualified personnel or the use of parts components equipment. that are not authorized or approved by Walter Meier. CAUTION What To Do If You Smell Gas,Do not try to light any appliance. Do not touch any electrical switch do not us any phone in your building. Immediately call your gas supplier from a neighbor s phone Follow the gas. supplier s instructions, If you cannot reach your gas supplier call the fire department. 1 GS Series Installation,Figure 1 GSTC 100,GS Series Installation 2. This installation guide has been designed to provide assistance when installing mounting and. commissioning a GS Series humidifier Actual on site application may vary Consult Technical Services. or your local Nortec representative, Improper installation adjustment alteration service maintenance or use can cause carbon monoxide. poisoning an explosion fire electrical shock or other conditions which may cause personal injury or. property damage Consult a qualified installer service agency local gas supplier distributor or branch. for information or assistance The qualified installer or agency must use only factory authorized and. listed kits or accessories when modifying this product A failure to follow this warning can cause. electrical shock fire personal injury or death, Should overheating occur or the gas fail to shut off shut off the manual gas valve to the appliance. before shutting off the electrical supply, Do not use this appliance if any part has been under water Immediately call a qualified service. technician to inspect the appliance and to replace any part of the control system and any gas control. which has been under water,The standard delivery includes. Gas Steam humidifier equipped with desired options. In a bag you will find,Adapter fittings for water connection. Steamhose for steam outlet with clamps,Hose and clamps for drain connection. The GS Indoor Series offers an optional telescopic stand mounted inside the unit legs Stand cross. bracing are shipped with the unit, The GS Outdoor Series comes with all required venting to be installed on site. Desired accessories ordered,Receiving And Unpacking Equipment. Check packing slip to ensure ALL material has been delivered. All material shortages are to be reported to Nortec within 48 hours from receipt of goods Nortec. assumes no responsibility for any material shortages beyond this period. Inspect shipping boxes for damage and note on shipping waybill accordingly. After unpacking inspect equipment for damage and if damage is found notify the shipper promptly. All Nortec products are shipped on an F O B factory basis Any and all damage breakage or loss. claims are to be made directly to the shipping company. 3 GS Series Installation,General Specifications, The Nortec GS Series humidifier is a completely new patented design based on leading edge technology. The GS is designed to provide clean steam humidification at an economical price. The GS Series humidifiers are designed exclusively for humidification in ventilation systems or direct. room humidification Any other type of application without the written consent of Nortec or your Nortec. agent is considered as not conforming with the intended purposes The manufacturer supplier cannot. be made liable for any damages resulting from improper use. Model Designation, The unit specification label indicates the model of gas humidifier according to Figure 2. Figure 2 Model Designation,GS Series Installation 4. Table 1 Model Specification,MODEL GS 100 SPECIFICATIONS. FUEL BLOWER SPEED INPUT BTUH STEAM CAPACITY LBS HR MANIFOLD PRESS IN W C. MAX 140 000 105 0 05,NATURAL GAS MIN 45 000 25 0 05. MAX 140 000 105 0 35,PROPANE MIN 50 000 25 0 35,MODEL GS 200 SPECIFICATIONS. FUEL BLOWER SPEED INPUT BTUH STEAM CAPACITY LBS HR MANIFOLD PRESS IN W C. MAX 280 000 210 0 05,NATURAL GAS MIN 45 000 25 0 05. MAX 280 000 210 0 35,PROPANE MIN 50 000 25 0 35,MODEL GS 300 SPECIFICATIONS. FUEL BLOWER SPEED INPUT BTUH STEAM CAPACITY LBS HR MANIFOLD PRESS IN W C. MAX 420 000 315 0 05,NATURAL GAS MIN 45 000 25 0 05. MAX 420 000 315 0 35,PROPANE MIN 50 000 25 0 35,MODEL GS 400 SPECIFICATIONS. FUEL BLOWER SPEED INPUT BTUH STEAM CAPACITY LBS HR MANIFOLD PRESS IN W C. MAX 560 000 420 0 05,NATURAL GAS MIN 45 000 25 0 05. MAX 560 000 420 0 35,PROPANE MIN 50 000 25 0 35,MODEL GS 500 SPECIFICATIONS. FUEL BLOWER SPEED INPUT BTUH STEAM CAPACITY LBS HR MANIFOLD PRESS IN W C. MAX 700 000 525 0 05,NATURAL GAS MIN 45 000 25 0 05. MAX 700 000 525 0 35,PROPANE MIN 50 000 25 0 35,MODEL GS 600 SPECIFICATIONS. FUEL BLOWER SPEED INPUT BTUH STEAM CAPACITY LBS HR MANIFOLD PRESS IN W C. MAX 840 000 630 0 05,NATURAL GAS MIN 45 000 25 0 05. MAX 840 000 630 0 35,PROPANE MIN 50 000 25 0 35,5 GS Series Installation. 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,Table 2 High Altitude,Feet Meters. 0 2000 0 610 0,2001 3000 610 915 8,3001 4000 915 1220 12. 4001 4500 1220 1370 16,4501 higher 1370 higher Contact Factory. GS Series Installation 6,Installation,7 GS Series Installation. Figure 3 Typical Installation Indoor,Indoor Installation. The installation must conform with local building codes or in the absence of local codes with the ANSI. Z223 1 National Fuel Gas Code and or CAN CGA B149 installation codes Refer to the Gas Piping. section of this manual,Locating and Mounting, GS Series humidifiers are designed for floor mounting or on a GS stand optional The clearance. dimensions shown in this manual are for reference only and are the minimum required for maintenance. of the humidifier Local and national codes should be consulted prior to final location and installation of. the humidifier Nortec cannot accept responsibility for installation code violations. Figure 3 shows a typical installation with all required connections to the GS humidifier Careful. consideration should be given to all of these connections when choosing a location for the humidifier. GS Series Installation 8, Warning Steam distributor on the built on and remote mounted blower packs have a hot surface. that could result in burns if touched Nortec recommends mounting at least 8 feet above the floor. Ambient temperature location for humidifier 41 F 104 F 5 C 40 C. Relative humidity location for humidifiers 5 rh 80 rh. All GS humidifiers are rated for the clearance to shown in Figure 4. Location of the steam distributor should be minimum of 36 above the humidifier. Do not locate humidifier any further than absolutely necessary from steam distributor location Net. output will be reduced as a result of heat loss through steam line Also increased static pressure over. 12 W C will result in hot water going down the drain Consult factory if this situation occurs. Where possible mount humidifier at a height convenient for servicing. Make sure the humidifier is mounted level,Do not mount humidifier on hot surfaces. The humidifier must be installed so that all electrical components are protected from exposure to water. Do not mount humidifiers in an area where freezing may occur. If humidifiers are mounted outdoors a properly ventilated temperature controlled above freezing. weatherproof enclosure must be used,Do not mount humidifiers on vibrating surface. The humidifier shall not be installed directly on carpeting tile or other combustible material other than. wood flooring, Some insulating materials may be combustible Prior to installing this appliance examine the area for. insulating material If this appliance is installed in an insulated space it must be kept free and clear of. insulating materials If insulation is added after the appliance is installed it will be necessary to. examine the area again,Figure 4 Clearance Requirements. 9 GS Series Installation,Gas Piping, Installation of piping must be in accordance with local codes and ANSI Z233 1 National Fuel Gas. Code in the United States or CAN CGA B149 installation codes in Canada. The following table indicates the maximum and minimum allowable gas pressures for the gas humidifier. Table 3 Max Min Gas Pressure,Inches w c,Gas Min Max. Natural 4 5 9 0,Propane 9 0 13 0,The gas inlet pipe size to the appliance is. NPT for GS 100,NPT for GS 200,1 NPT for GS 300 400. 1 NPT for GS 500 600,Provide an adequate size gas supply line. In all installations a certified manual shut off valve located outside the cabinet must be installed When. black iron gas pipe is used a sediment trap must be located ahead of the humidifier gas controls See. Leak test all gas connections external to the humidifier using a commercial soap solution made to detect. leaks Bubbles indicate gas leakage Seal all leaks before placing the humidifier in operation. Warning Never use an open flame to check for gas leaks If a leak does exist a. fire appliance,explosionmust beoccur,could isolated from the. resulting gas supply,in damage piping, injury system by closing its individual manual shut. off valve during any pressure testing of the gas supply piping system at test pressures equal to or greater. than 14 w c 3 5 kpa, Dissipate test pressure from the gas supply line before re opening the manual shut off valve to the. GS Series Installation 10,Figure 5 Gas Connection, Failure to follow this procedure may damage the gas valve Over pressured gas valves are not covered by. Do not use teflon tape on gas line pipe threads A flexible sealant suitable for use with natural gas and. propane gas is recommended, Plan gas supply piping so it will not interfere with removal of gas valves blower assemblies and front or. side service doors, All gas piping should be adequately supported to prevent any strain on inlet piping. The gas valve is provided with pressure taps to measure gas pressure upstream and downstream manifold. pressure The minimum gas pressure shown is for the purpose of input adjustment. A 1 8 NPT plugged tapping accessible for test gage connection must be installed immediately upstream of. the gas supply connection to the appliance,11 GS Series Installation. Combustion Air Requirements, Provide for adequate combustion and ventilation air in accordance with sections 8 3 air for combustion and. ventilation of the national fuel gas code ANSI z223 1 or sections 7 2 7 3 7 4 of CAN CGA B149. installation codes or applicable provisions of the local building codes. The required free area of supply air opening is,13 in Sq 8 387 mm2 for GS 100. 23 in Sq 14 839 mm2 for GS 200,35 in Sq 22 581 mm2 for GS 300. 47 in Sq 30 323 mm2 for GS 400,59 in Sq 38 064 mm2 for GS 500. 71 in Sq 45 806 mm2 for GS 600, Cabinet top and bottom contain air openings to provide combustion air to the forced draft blower Do not. block these openings, Excessive exposure to contaminated combustion air will result in safety and performance related problems. Known contaminates include halogens ammonia and chlorides excessive dust lime or dirt 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. Sealed Combustion Guidelines, Installation of the combustion air supply line must be carried out by adequately qualified personnel All local. regulations relating to the provision of air supply systems must be observed and adhered to. The air supply line and the exhaust must individually not exceed a respective equivalent length of 70 ft 21. m The vent pipe diameter must be maintained over the overall length of the vent. The air supply line should be approximately as long as the flue gas venting and must be supported at every 5. ft 1 5 m and additionally at every pipe bend At low temperatures water condensation can form on the. outside of the pipe To prevent this it is recommended that the supply air line is insulated and an in line. heat is added Consult factory, Attach the air supply line to the manifold using a hose clamp or hose coupling if required See Figure 6. The air intake terminal and the flue gas terminal must end at an outside location See Figure 8 Location of. air intake and glue gas terminal must comply with all local and national regulations. Warning Air supply line should not obstruct any services going to the humidifier front. and right side cabinet panels,Direct Vent Guidelines. Follow sealed combustion guidelines, All air piping must be listed type for direct vent application with sealed joints and seams such as z. The air supply line must be installed with air supply terminals provided. Air hookup may be in plastic provided that has fully sealed joints per CSA requirements. Warning Horizontal BH type venting must be used in a direct vent application.
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