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Nortec GS Series GSP Indoor manual

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Table of contents for the manual

  • Page 1

    1503540-C GS Series GSTC/GSP Indoor GSTC Out door Engineering Manual[...]

  • Page 2

    2008-10-01 PROPRIETARY NOTICE This document and the info rmation disclosed herei n are propriet ary data of W AL TER MEIER L TD. Neither this document nor the information cont ained herein shall be reproduced used, or disclosed to others without the written authoriza tion of W AL TER MEIER L TD., except to the extent required for installation or ma[...]

  • Page 3

    2008-10-01 TABLE OF CONTENTS Subject Page 10-00 PRINCIPLE OF OPERATION 1. PRINCIPLE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 A. COM BUSTION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 [...]

  • Page 4

    2008-10-01 K. O N-LINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 L. LINKS 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 M. OUTDOOR 120 V[...]

  • Page 5

    2008-10-01 LIST OF FIGURES Figure Page 10-00 PRINCIPLE OF OPERATION Figure 1. GS Indoor Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2. GS Outdoor Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 3. GSTC Key Pad . . [...]

  • Page 6

    2008-10-01 LIST OF TABLES Ta b l e Page 10-00 PRINCIPLE OF OPERAT ION Table 1. Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Table 2. Standard Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5[...]

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    2008-10-01 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 8

    10-00 Page 1 2008-10-01 10-00 PRINCIPLE OF OPERATION[...]

  • Page 9

    10-00 Page 2 2008-10-01 1. PRINCIPLE OF OPERATION A. Combustion System (1) The combustion system is based on a f ully modulating forced draft combustion air blower, a negative pressure regulated gas v alve, and a 100% premix burner. On a call for humidity, the combustion air blower starts and creates a negative pressure across an orifice located at[...]

  • Page 10

    10-00 Page 3 2008-10-01 Figure 1. GS Indoor Series Figure 2. GS Outdoor Series[...]

  • Page 11

    10-00 Page 4 2008-10-01 Figure 3. GSTC Key Pad Figure 4. GSP Key Pad[...]

  • Page 12

    10-00 Page 5 2008-10-01 Table 2. Standard Features Standard Features GSTC GSP* Steam Capacity adjustment x Full size alphanumeric display and keypad x Total Controller with Modbus host protocol x Transducer signal acceptance x Individual component diagnostic capability x Keypad set-point adjustment (humidity) x Display of relative humidity x Low an[...]

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    10-00 Page 6 2008-10-01 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 14

    10-10 Page 7 2008-10-01 10-10 OPERATION[...]

  • Page 15

    10-10 Page 8 2008-10-01 1. WATER MANAGEMENT – BETTER EFFICI ENCY THAN EVER A. Introducti on (1) The GS Series of humidifiers is equi pped with a unique float chamber water level monitoring device. Two magnetic floats (one is a backup) measure 5 different water levels in the humidifier for proper operation. The float chamber and board are located [...]

  • Page 16

    10-10 Page 9 2008-10-01 Figure 2. Physical Dimensi ons – GS Indoor Humidifier Model A B C D Vent Dia Vent Dia Shipped Weight Operating Weight Steam Outlet Gas Supply B Type BH T ype in cm in cm in cm in cm in cm in cm lbs kg lbs kg in cm in (NPT) cm (NPT) GSTC 100 20.8 52.8 6.3 16 9.3 23.6 16.1 40.8 4 10.2 3 7.6 267 121 423 192 1 x 1.75 1 x 4.4 0[...]

  • Page 17

    10-10 Page 10 2008-10-01 Figure 3. Physical Dimensi ons – GS Outdoor Humidifier[...]

  • Page 18

    10-10 Page 11 2008-10-01 B. Safety Water Level Control Check (1) To ensure safe operation, the humidifier constantly monitors the back up float of the humidifier and also performs float checks at regular intervals. C. Self Diagnostic (1) This feature allows the user to activate various hardware elements within the system to prove operational compli[...]

  • Page 19

    10-10 Page 12 2008-10-01 (3) All control electronics are integral to humidifier cabinet and do not require separate cabinet on the humidifier. B. Remote Fault Indication (1) The GS Series provides output signals of the fol lowing type: (a) Humidifier “ON” (b) Humidifier “Active” (c) Humidifier “Service” (d) Humidifier “Fault” C. Mod[...]

  • Page 20

    10-10 Page 13 2008-10-01 through the roof without any special requir ements when using BH venting. Required vent flue size depends on unit model. All connections to the flue pipes are made without having to open the humidifier cabinetry. (3) The GS Outdoor Series comes complete with BH vent, ready for easy assembly. 5. CLEARANCES (1) The clearance [...]

  • Page 21

    10-10 Page 14 2008-10-01 Figure 4. GSTC/GSP Indoor Clearance Figure 5. GSTC Outdoor Clearance[...]

  • Page 22

    10-10 Page 15 2008-10-01 6. STEAM INSTALLATION GUIDELINES (1) The GS Series humidifier comes with a single st eam outlet on all capacities. The GS 100, 200/300, 400/500/600 have respectively (1. 75” (4.4 cm) O.D., 3” (7.6 cm) O.D. and 4” (10.16) O.D.). Consult option and accessories section for more details. Refer to the Steam Absorption and [...]

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    10-10 Page 16 2008-10-01 THIS PAGE INTENTIONALLY LEFT BLANK[...]

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    10-20 Page 17 2008-10-01 10-20 MAINTENANCE[...]

  • Page 25

    10-20 Page 18 2008-10-01 1. WATER CONDITIONS VS. HUMIDI FIER CLEANI NG REQUIREMENTS (1) The GS Seri es humidifiers are to operate on cold potable, De-Ionized (DI) or Reverse-Osmosis (RO) water supply and since the output of all GS Series humidifiers is pure clean steam, minerals from the incoming water are left behind. These minerals will eventuall[...]

  • Page 26

    10-20 Page 19 2008-10-01 maintenance a step further than RO and all the GS Series components are ready for RO or DI water use as a standard. (10) Contact your local Nortec representative for a quotation of a water treatment system suited for your application. 2. PREVENTIVE MAINTENANCE (1) The installation manuals of the GS Series of Gas Steam humid[...]

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    10-30 Page 21 2008-10-01 10-30 OPTIONS & ACCESSORIES[...]

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    10-30 Page 22 2008-10-01 1. OPTIONS AND ACCE SSORIES AVAI LABLE A. Nortec Modulating Humidistat with Digital Display (1) NORT EC h umidistats for GSTC or GSP Gas Steam humidifiers feature proportional + integral control with setpoint range of 10-95% RH. The humidistat connects directly to the low voltage terminal strip via 3 wires (shielded if run [...]

  • Page 30

    10-30 Page 23 2008-10-01 D. Nortec On / Off Controls with Digital Display (1) 252-0273 - Duct Mounted Safety Hi gh Limit On/Off Humidistat (if used) is wired to make on drop in humidity, break on rise to safety setpoint. It should be set to approximately 85% RH as a safety to prevent saturation and wetting in the duct. (2) 132-9203 - A Duct Mou nte[...]

  • Page 31

    10-30 Page 24 2008-10-01 I. Indoor Freeze Protection (1) 150-7058 - GSTC Indoo r Freeze protection package provides the unit configured with keep warm feature, remote fault indication and a normally open drain valve to protect if freezing conditions may occur. The keep warm feature will ensure the water temperature is kept between 140ºF (60ºC) an[...]

  • Page 32

    10-30 Page 25 2008-10-01 b) 252-7111 - BACnet MSTP c) 252-7113 – Johnson N2 d) 252-7113 – LonWorks (3) Features a) Digital Feedback for unit standby/humidifying mode. b) Digital feedback for service required. c) Digital feedback for fault indication. d) System demand display. e) Control room setpoint. f) Control high limit setpoint. g) Control [...]

  • Page 33

    10-30 Page 26 2008-10-01 M. DRAIN WATER SU MP PUMP (1) Externally mounted below humidifier. For use when no floor drain is available and water must be pumped higher than the bottom of the humidifier (special high temperature model). Rated for use with all GS models. Recommended model: W.W. Grainger #4RD29 or #4RD32. N. STEAM DISTRIBUTION (1) Used i[...]

  • Page 34

    10-30 Page 27 2008-10-01 Figure 3. Steam Distributor Figure 4. Blower Pack Figure 5. Short Absorption Manifold[...]

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    10-30 Page 28 2008-10-01 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 36

    10-40 Page 29 2008-10-01 10-40 SPECIFICATION[...]

  • Page 37

    10-40 Page 30 2008-10-01 1. GENERAL A. General (1) NORT EC GS Series Gas-Fired Humidifier[s] as indicated on drawing[s] and as indicated on schedule[s]. (2) Complete and operable humidification system [which meets applicable building codes]. (3) Equipment start-up and project inspection by qualified factory trained representative. B. Quality Assura[...]

  • Page 38

    10-40 Page 31 2008-10-01 (6) Submit mini mum water quality requirements and water pressure requirements. D. Extra Materials (1) Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. E. References (1) ANSI/NFPA 70 - National Ele[...]

  • Page 39

    10-40 Page 32 2008-10-01 (f) Provide easily accessible, primary voltage terminal block, internal to cabinetry, for single point field connection of electrical supply. (g) Single point connection for gas inlet must be provided. Internal piping from gas inlet to burners must be factory installed and tested. Field piping from the gas inlet to the burn[...]

  • Page 40

    10-40 Page 33 2008-10-01 (e) Blower speed rotation must to be monitored to ensure proper control of input modulation. System will lock out gas valve operation if proper blower speed is not detected. (f) A secondary combustion air safety, in addition to blower speed monitoring, utilizing a mechanical pressure differential switch, must be used with e[...]

  • Page 41

    10-40 Page 34 2008-10-01 (7) Factory mou nted, full size, backlit, Liquid Crystal Display provides full operational status. Display to include a keypad for user interface and adj ustment of operational parameters including: (a) Unit output (lbs/hr or kg/hr) 25 lbs/hr to full output. (b) Water level in the tank. (c) Modulating control demand status.[...]

  • Page 42

    10-40 Page 35 2008-10-01 3. EXAMINATION A. Examination (1) Exa mine ducts, air-handling units, and conditions for compliance with requirements for installation tolerances and other conditions a ffecting performance. (2) Exa mine roughing-in for piping systems to verify actual locations of piping connections before humidifier installation. (3) Proce[...]

  • Page 43

    10-40 Page 36 2008-10-01 D. Training (1) Training of the Owner’s operation and maintenance personnel is required in cooperation with the Commissioning Authority. Provide competent, factory authorized personnel to provide instruction to operation and maintenance personnel concerning the location, operation, and troubleshooting of the i nstalled sy[...]

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    10-40 Page 37 2008-10-01 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 45

    WARRANTY (1) WALTER MEIER INC. and/or WALTER MEIER LTD. (hereinafter collectively referred to as THE COMPANY), warrant for a period of two years afte r installation or 30 months from manufacturer’s ship date, whichever date is earlier, th at THE COMPANY’s manufactured and assembled products, not ot herwise expressly warranted (with the exceptio[...]

  • Page 46

    U.S.A. W alter Meier (Climate USA) Inc. 826 Proctor Avenue Ogdensburg, NY 13669 TEL: 1-866-NORTEC-1 EMAIL: northamerica.climate@waltermeier .com WEBSITE: www .humidity .com CANADA W alter Meier (Cli mate Canada) Ltd. 2740 Fenton Road Ottawa, ON K1 T 3T7 TEL: 1-866-NORTEC-1 F AX: (613 ) 822-7964 Authorized Agent:[...]