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10-40

Page 30

2008-10-01

1. GENERAL

A. General

(1)

NORTEC 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 Assurance

(1)

Manufacturer: For each product specified, provide components by same
manufacturer throughout.

(2)

Electrical Components, Devices, and Accessories: Listed and labeled as defined
in NFPA 70, Article 100, by a testing agency acceptable to authority having
jurisdiction, and marked for intended use.

(3)

Comply with ARI 640, “Standard for Commercial and Industrial Humidifiers.”

(4)

Products shall be supported with a warranty that ensures the product will be free
from defects in materials and workmanship for a period of two years after
shipment.

(5)

Commissioning of a system or systems specified in this section is part of the
construction process. Documentation and testing of these systems, as well as
training of the Owner’s operation and maintenance personnel, is required in
cooperation with the Commissioning Authority. Project Closeout is dependent on
successful completion of all commissioning procedures, documentation, and issue
closure. Refer to Project Closeout, Section 01700, for substantial completion
details. Refer to Section 01810, Commissioning, for detailed commissioning
requirements.

(6)

Products specified below are to be manufactured is an ISO 9001-2000 certified
facility.

C. Submittals

(1)

Submit product data under provisions of Section 15010. Include product
description, model, dimensions, component sizes, rough-in requirements, service
sizes, and finishes. Include rated capacities, operating weights, furnished
specialties, and accessories.

(2)

Submit manufacturer’s installation instructions.

(3)

Submit operation and maintenance data.

(4)

Submit coordination drawings. Detail fabrication and installation of humidifiers.
Include piping details, plans, elevations, sections, details of components, and
dispersion tubes. Detail humidifiers and adjacent equipment. Show support
locations, type of support, weight on each support, and required clearances.

(5)

Submit wiring diagrams including power, signal, and control wiring. Differentiate
between manufacturer-installed and field-installed wiring.

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Содержание GS Series GSP Indoor

Страница 1: ...1503540 C GS Series GSTC GSP Indoor GSTC Outdoor Engineering Manual ...

Страница 2: ... 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 2008 WALTER MEIER LTD All rights reserved RECORD OF REVISIONS For each revision put the revised pages in your manual and discard the superseded pages Wr...

Страница 3: ... 12 5 CLEARANCES 13 6 STEAM INSTALLATION GUIDELINES 15 7 CALCULATION OF ANNUAL OPERATING COSTS 15 A NATURAL GAS HUMIDIFIER 15 B ELECTRIC GAS HUMIDIFIER 15 C OPERATING COST SAVINGS 15 10 20 MAINTENANCE 1 WATER CONDITIONS VS HUMIDIFIER CLEANING REQUIREMENTS 18 2 PREVENTIVE MAINTENANCE 19 3 PRE CLEANING SEQUENCE 19 10 30 OPTIONS ACCESSORIES 1 OPTIONS AND ACCESSORIES AVAILABLE 22 A NORTEC MODULATING H...

Страница 4: ... MOUNTED BLOWER PACK 26 Q SHORT ABSORPTION MANIFOLD 26 10 40 SPECIFICATION 1 GENERAL 30 A QUALITY ASSURANCE 30 B SUBMITALS 30 C EXTRA MATERIALS 31 D REFERENCES 31 E COORDINATION 31 2 PRODUCTS 31 A GAS FIRED STEAM HUMIDIFIER GSTC 31 3 EXAMINATION 35 A EXAMINATION 35 B INSTALLATION 35 C TESTING 35 D TRAINING 36 WARRANTY ...

Страница 5: ... 4 10 10 OPERATION Figure 1 Humidifier Tank 8 Figure 2 Physical Dimensions GS Indoor 9 Figure 3 Physical Dimensions GS Outdoor 10 Figure 4 GSTC GSP Indoor Clearance 14 Figure 5 GSTC Outdoor Clearance 14 10 30 OPTIONS ACCESSORIES Figure 1 NORTEC LINKS 25 Figure 2 NORTEC OnLine 25 Figure 3 Steam Distributor 27 Figure 4 Blower Pack 27 Figure 5 Short Absorption Manifold 27 ...

Страница 6: ...2008 10 01 LIST OF TABLES Table Page 10 00 PRINCIPLE OF OPERATION Table 1 Technical Data 2 Table 2 Standard Features 5 ...

Страница 7: ...2008 10 01 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 8: ...10 00 Page 1 2008 10 01 10 00 PRINCIPLE OF OPERATION ...

Страница 9: ...is thoroughly mixed in the blower and then forced through the burner ports where ignition occurs 4 Hot products of combustion are forced through a baffle inside the heat exchanger and then vented outside The heat exchanger has a large flat surface to minimize scale build up and promote scale shedding to the bottom of the tank This self cleaning action helps to maintain the efficiency of the heat e...

Страница 10: ...10 00 Page 3 2008 10 01 Figure 1 GS Indoor Series Figure 2 GS Outdoor Series ...

Страница 11: ...10 00 Page 4 2008 10 01 Figure 3 GSTC Key Pad Figure 4 GSP Key Pad ...

Страница 12: ...ication x x Single or Dual modulation signal acceptance x x Industry standard modulation signal acceptance x x Time to next maintenance alarm x x Internal Drain water cooler x x System demand indication x x Output display x x Precise five level water level indication x x Status indicator lamps x x Backlit display x x B or BH venting options x x BH stack vent outdoor only x Large Side tank cleaning...

Страница 13: ...10 00 Page 6 2008 10 01 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 14: ...10 10 Page 7 2008 10 01 10 10 OPERATION ...

Страница 15: ...lso includes an internal 1 air gap and a vacuum breaker to prevent siphoning effect 4 On initial start up the solenoid operated fill valve fills the tank The water level will reach the backup float first and then the main float As a safety precaution if the back up and main float read a different water level at any time during the operation of the unit the unit will shut down on a fault 5 On initi...

Страница 16: ... x 1 75 1 x 4 4 0 5 1 27 GSTC 200 27 2 69 11 6 29 5 14 6 37 1 22 4 56 8 5 12 7 4 10 2 355 161 599 272 1 x 3 1 x 7 6 0 75 1 91 GSTC 300 42 7 109 10 9 27 8 14 6 37 1 38 96 4 7 17 8 5 12 7 485 220 970 440 1 x 3 1 x 7 6 1 2 54 GSTC 400 42 7 109 10 9 27 8 14 6 37 1 38 96 4 7 17 8 5 12 7 529 240 992 450 1 x 4 1 x 10 2 1 2 54 GSTC 500 58 3 148 7 4 18 7 14 4 36 6 53 6 136 8 20 3 6 15 2 659 299 1364 619 1 ...

Страница 17: ...10 10 Page 10 2008 10 01 Figure 3 Physical Dimensions GS Outdoor Humidifier ...

Страница 18: ...d only when drain water is above 140ºF 60ºC F Capacity Turn Down 1 The GS humidifier is capable of full modulation of the output of each burner down to 25 lbs hr For example on a four burner system such as the GS 400 the turndown ratio is 6 of total output 2 When the control signal requires less than 25 lbs hr output the internal controller of the unit takes over with a unique time proportioning a...

Страница 19: ...y recommended by NORTEC for high limit or air proving If controls were not ordered with the humidifier they must be supplied by others 3 ELECTRICAL 1 Humidifiers require field wiring to primary voltage terminal blocks The power requirement is a 120 or 208 240 V single phase supply Wiring is fed through a 7 8 hole on lower right hand side of control compartment 2 External wiring sizes must be in ac...

Страница 20: ... vent ready for easy assembly 5 CLEARANCES 1 The clearance dimensions shown in Figure 4 and 5 are for reference only and are the minimum requirements for maintenance of the humidifier 2 All units have frontal cleaning port access 3 For GS 100 200 frontal cleaning port access is required only For GS 300 400 top access is accessible from the front without clearance on the left side For GS 500 600 le...

Страница 21: ...10 10 Page 14 2008 10 01 Figure 4 GSTC GSP Indoor Clearance Figure 5 GSTC Outdoor Clearance ...

Страница 22: ...0 b Natural gas cost 4 50 U S per million BTU c 0 45 U S per Therm 100 000 BTU Annual hours of operation 2000 at full output Equivalent to comfort humidification in upper mid west d Input of humidifier 140 000 BTU hr e Total energy used 2000 x 140 000 280 000 000 BTU f Annual Cost 238 x 4 50 1260 00 B Electric Gas Humidifier 1 Annual operating cost equals annual hours of operation times energy cos...

Страница 23: ...10 10 Page 16 2008 10 01 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 24: ...10 20 Page 17 2008 10 01 10 20 MAINTENANCE ...

Страница 25: ... c Chlorides 5 Due to the wide range of water conditions found throughout North America it is important that the blowdown is set according to the local water conditions By water conditions we are referring to the hardness of the water supplied to the humidifier The hardness is measured in grains per gallon It is also important to test for silica content Silicates may cause foaming and contribute t...

Страница 26: ...r dip switches based on a Time of day setting When the 25 400 hours interval adjustable is reached the unit will wait until the set time of day before activating the full tank blowdown b External trigger using 24Vac signal from the building management system to the input terminal of the humidifier 4 Following the full tank blowdown the unit will refill and perform a float check Whenever possible u...

Страница 27: ...10 20 Page 20 2008 10 01 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 28: ...10 30 Page 21 2008 10 01 10 30 OPTIONS ACCESSORIES ...

Страница 29: ...tegral Sensor and Controller with Digital Display 1 151 0142 Modulating 0 10 VDC wall mounted humidistat P I control humidistat with setpoint range of 0 95 RH Connects directly to the GSTC or GSP low voltage terminal strip via 2 wires shielded if run exceeds 10 m and accurately controls RH in a zone or space Time proportioning control not acceptable 2 252 0266 Modulating 0 10 VDC duct mounted humi...

Страница 30: ...d 2 x 3 recessed electrical wall box supplied by others Stops humidifier and activates alarm light if duct or room air approaches saturation a Duct 253 3363 b Wall 253 3364 E Configuration Option 1 150 7057 This option allows the Gas Steam humidifier to operate using propane energy F Direct Vent 1 GS Indoor Direct Vent Package allows GS unit to be installed in an environment where the air cannot b...

Страница 31: ...perating temperature range within the electrical compartment The heater is powered from the humidifier Field supplied heat tracing needs to be installed on all fill line piping exposed to outdoor temperature If fill line pipe freezing is a concern a field supplied normally open valve can be used to drain the fill line a 150 8116 GSTC Outdoor 100 b 150 8117 GSTC Outdoor 200 c 150 8118 GSTC Outdoor ...

Страница 32: ...g 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 room RH h Control high limit RH i Control enable disable j Networking capabilities of linking 8 units to one Nortec controller Figure 1 NORTEC Online Figure 2 NORTEC LINKS 2 ...

Страница 33: ...1709701 Blower Pack 2 Direct steam distribution system that allows for direct space room humidification when steam introduction into a ducted system is not feasible The factory assembled Blower Pack includes integral steam distributor an internal steam hose and condensate connection for simple installation including 3 individual 110 cfm blower fans that can be powered by a separate 115 V single ph...

Страница 34: ...10 30 Page 27 2008 10 01 Figure 3 Steam Distributor Figure 4 Blower Pack Figure 5 Short Absorption Manifold ...

Страница 35: ...10 30 Page 28 2008 10 01 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 36: ...10 40 Page 29 2008 10 01 10 40 SPECIFICATION ...

Страница 37: ...eration and maintenance personnel is required in cooperation with the Commissioning Authority Project Closeout is dependent on successful completion of all commissioning procedures documentation and issue closure Refer to Project Closeout Section 01700 for substantial completion details Refer to Section 01810 Commissioning for detailed commissioning requirements 6 Products specified below are to b...

Страница 38: ...cation required CSA certified 2 Packaged unit wall mounted methods of distribution require a steam distributor s or Short Absorption Manifold s SAM e for mounting into AHU duct s or Remote Mounted Blower Pack s RMBP for direct space applications refer to options schedule 3 Enclosed cabinet powder painted steel construction and air gap between cabinet and insulated humidifier tank ensures safe surf...

Страница 39: ...XXXX b System shall be rated as a class III appliance certified for use with exhaust vent type BH XXXXX OR XXXXX c System shall be rated as a class III appliance certified for use with exhaust vent type BH and use with direct vent of combustion air Must be specified for factory configuration 5 Stainless Steel combustion chamber s heat exchanger s shall have flat surfaces to retard scale build up T...

Страница 40: ... located outside of the boiling water to ensure accurate water level control and reduced maintenance Cool fill water is to be supplied into the sensing chamber to keep the device cool Systems using conductivity probes or floats located within hot reservoir water are not acceptable d Tank and float chamber to be separated with a minimum of 1 25 mm rigid insulation minimizing potential scale build u...

Страница 41: ...y i Maintenance intervals j Fill and drain status k Drain flush intervals and duration l Date and time m Capacity limitation n 72 hours drain enable disable o Control type configuration on off or full modulation when demand signal s or transducer input s are provided p Up to 10 humidifiers supplying one AHU or area can be controlled in series from one modulating humidity control system q BACnet Lo...

Страница 42: ...esting is part of the commissioning process Verification testing shall be performed by the Contractor and witnessed and documented by the Commissioning Authority Refer to section 01810 Commissioning for system verification tests and commissioning requirements XXXXX OR XXXXX 2 Manufacturer s Field Service Engage a factory authorized service representative to inspect field assembled components and e...

Страница 43: ...ions section 01670 for contractor training requirements Refer to section 01810 Commissioning for further contractor training requirements XXXXX OR XXXXX 2 Engage a factory authorized service representative to train Owner s maintenance personnel to adjust operate and maintain humidifiers a Train Owner s maintenance personnel on procedures and schedules for starting and stopping troubleshooting serv...

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Страница 45: ...u of all other warranties expressed or implied by law No liability whatsoever shall be attached to THE COMPANY until said products have been paid for in full and then said liability shall be limited to the original purchase price for the product Any further warranty must be in writing signed by an officer of THE COMPANY 4 THE COMPANY s limited warranty on accessories not of the companies manufactu...

Страница 46: ...tor Avenue Ogdensburg NY 13669 TEL 1 866 NORTEC 1 EMAIL northamerica climate waltermeier com WEBSITE www humidity com CANADA Walter Meier Climate Canada Ltd 2740 Fenton Road Ottawa ON K1T 3T7 TEL 1 866 NORTEC 1 FAX 613 822 7964 Authorized Agent ...

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