Equipment Specifications - Rapid Engineering LLC HVAC Products
Contents
1. 3 2 SCHEDULES A See plans Thank You for Your Business Installation Code and Annual Inspections All installations and service of RAPID products must be performed by a contractor qualified in the installation and service of products sold and supplied by Rapid Engineering and conform to all requirements set forth in the Rapid Engineering manuals and all applicable governmen tal authorities pertaining to the installation service and operation of the equipment To help facilitate optimum performance and safety Rapid Engineering recommends that a qualified contractor annually inspect your RAPID products and perform service where necessary using only replacement parts sold and supplied by Rapid Engineering Further Information Applications engineering and detailed guidance on systems design installation and product performance is available through RAPID representatives Please contact us for any further information you may require including the Installation Operation and Service Manual This product is not for residential use This document is intended to assist licensed professionals in the exercise of their professional judgement Rapid Engineering 1100 Seven Mile Road NW Comstock Park MI 49321 Telephone 616 784 0500 Toll Free 800 536 3461 Fax 616 784 1910 www rapidengineering com 2007 Roberts Gordon LLC All rights reserved No part of this work covered by the copyrights herein may be reproduced or cop2. 4000 Series D Rapid Engineering Equipment Specifications 1 800 536 3461 wt ER TE W CANADA 100 OUTSIDE AIR ONLY SECTION 15624 DIRECT FIRED AIR HANDLER GUIDE SPECIFICATION PART 1 GENERAL Provide units with gas fired heating and ventilating sections designed and manufactured for indoor or outdoor installation Units shall be packaged air handlers which include casing modulating burner non overloading fan mixing chamber AM and VAV Models only positive position modulating return air dampers AM and VAV Models only and automated DDC based controls for temperature control pressure control and system monitoring 1 1 SECTION INCLUDES A Direct fired air handler B Controls 1 2 RELATED SECTIONS A Section 15410 Plumbing Piping Natural Propane gas piping and connections Section 15860 Centrifugal Fans Supply Fans Section 15885 Air Cleaning Devices Filters Section 15990 Testing Adjustment and Balancing Section 15020 Mechanical Special Conditions mmoo0 f Section 16180 Basic Electrical Materials and Methods 1 3 REFERENCES A American National Standards Institute ANSI Establishes requirements applicable to certifying direct gas fired heaters 1 MUA Model Standard Z83 4 Non Recirculating Direct Gas Fired Industrial Air Heaters 2 AM VAV AR Models Standard Z83 18 Recirculating Direct Gas Fired Industrial Air Heaters B American Society for Testing Materials ASTM
3. 1 Standard A653 653M Standard Specification for Steel Sheet Zinc Coated Galvanized or Zinc Iron Alloy Coated Galvannealed by the Hot Dip Process C ETL Testing Laboratories Inc ETL Nationally recognized testing laboratory certifies code conformance 1 Requirements applicable to product labeling and listing in the Directory of ETL Listed Products D Factory Mutual Insurance FM Certifies gas manifold to owner s insurance carrier E Industrial Risk Insurance IRI Certifies gas manifold to owner s insurance carrier E National Electrical Manufacturers Association NEMA 1 Standard 250 Enclosures for Electrical Equipment 1000 V Maximum G National Fire Protection Association NFPA Establishes fire prevention standards 1 Article 54 National Fuel Gas Code 2 Article 70 National Electric Code 3 Article 90A Installation of Air Conditioning and Ventilating Systems H National Roofing Contractors Association NRCA 1 The NRCA Roofing and Waterproofing Manual Second Edition I Occupational Safety and Health Administration OSHA Enforces air quality standards and safety in the workplace J Underwriters Laboratories Inc UL Nationally recognized testing laboratory certifies code conformance product labeling and listing 1 Standard UL916 Energy Management Equipment 2 Standard UL873 Temperature Indicating amp Regulating Equipment 1 4 SUBMITTALS FOR REVIEW A Section 01300 Submit
4. The burner is off completely whenever the room temperature exceeds the Cooling Outdoor Air Stat Setpoint e The damper control operates the dampers as follows AM amp VAV units only a The MANUAL mode allows manual positioning of the 80 outside air OA damper and 80 return air RA damper by changing the damper position setpoint This setting overrides the pressure control and economizer operation b The AUTO PRESSURE mode provides automatic building pressure control by modulating the 80 OA damper and 80 RA damper to maintain the indoor building pressure setpoint normally 01 w c c While in auto pressure mode the air handler will bring in additional outdoor air to cool the building to the Cooling Setpoint if the Economizer is enabled HEATING WINTER SEQUENCE Occupied Mode e The burner is energized whenever the room temperature falls below the Heating Setpoint e The burner is modulated to maintain the applicable Room Temperature Setpoint and also so that the discharge air does not exceed the maximum discharge temperature setpoint recommended setpoint 90 F or fall below the minimum discharge temperature setpoint recommended 55 F e Depending on the time and day the burner will be controlled to satisfy a The Occupied Room Temperature Setpoint or b The Unoccupied Room Temperature Setpoint e The Low Temperature Limit Control will shut down the unit when the discharge air temperature goes below th
5. filtration section downstream of both the outdoor and return air streams All filters can be changed from a single location The filter section shall be designed to prevent mixing combustion and return air so that no return air may pass across the burner Outdoor Air Filter Section The outdoor air only is filtered All filters can be changed from a single location Filter Status Indication Each filter section is provided with a differential pressure switch and status indication to the DDC controls or indicator light mounted on the face of the remote for non DDC controls Filters 1 thick treated on leaving side linked polyester media Other filtration options available Service Platform Each air handler shall be furnished with a minimum 46 deep service platform running the full width of the air handler The platform shall be constructed with minimum 1 thick galvanized grating an OSHA approved handrail on three sides and steel safety chains on the remaining side Vibration Isolators Vibration isolators shall utilize a steel housing and an isolation element which is color coded oil resistant neoprene The isolation element shall be selected for minimum 90 isolation efficiency have a deflection of 0 25 or less and be supplied by the air handler manufacturer Smoke Detector An ionization type supply air smoke detector shall be provided which shuts off the air handler if smoke is detected Remote Re
6. optional on FR and MUA style air handlers Motorized with end switch to prove position before burner will fire SECTION 15624 DIRECT FIRED AIR HANDLER GUIDE SPECIFICATION 2 5 FAN AND MOTOR A Fan Single width single inlet efficient silent plenum and belt driven for the specified air capacity A precision inlet cone shall be provided for streamlined airflow into the fan wheel to insure full and even loading of the fan blades Blower wheel shaft and drive sheaves shall be both statically and dynamically balanced Each fan and drive combination shall be dynamically balanced during testing at the factory to 1 per second or less equivalent displacement B Drive The fan shaft shall be connected to the motor by a multiple V belt drive designed to handle 50 more power than the motor name plate capacity The fan wheel and bearings shall be supported by reinforced structural steel framework independent of the unit housing The motor sheave shall be a fixed design for motors larger than 7 5 HP C Fan Bearings Self aligning pillow block or flange type and shall have for external static pressure less than 1 w c an ABMA L10 rated life of 100 000 hours and be equipped with optional extended lubrication lines Extended lubrication lines shall be terminated at the unit s outer skin so that all lubrication can be performed without shutting down the system D Motor The motor shall be an open drip proof TEFC premium efficiency d
7. UMMER WINTER switch e ON OFF Auto switch Pilot lights for Fan on off and Burner on off Intelligent Controls System Direct Digital Controls 1 General Regardless of air handler type cooling or heating system type the Controller shall be identical The current Controller version shall be compatible with all previous versions 2 Third Party External Control Interface Via an external signal from any 120 V switched device the Controller can be forced into Occupied Flush or Exhaust Modes optional feature 3 Space Temperature Control System The temperature control system shall utilize a factory supplied temperature sensor to be mounted in the space by the installing contractor where indicated on the plans Additional sensors mounted in the air handler discharge and inlet shall be used to monitor the discharge and outdoor temperatures 4 Automatic Building Pressure Control with Manual Override For modulating outdoor air type air handlers an automatic pressure control shall be used to sense the room pressure and modulate the OA and RA dampers to maintain the building pressure setpoint The pressure transducer shall be mounted on SECTION 15624 DIRECT FIRED AIR HANDLER GUIDE SPECIFICATION the air handler and have a span of 3 to 3 w c 5 Low Temperature Limit Control The fan shall shut down when cold air is discharged from the air handler for more than five minutes The Low Temperature Limit setpoint may be select
8. ature Setpoint the fan starts burner ignites and modulates to maintain the Unoccupied Temperature Setpoint and the dampers operate in the same manner as for the Occupied Period FLUSH MODE CONTROL OPTIONAL Sensor Locations as Indicated on Drawing e When the carbon monoxide CO or other sensor level reaches its Level I setpoint a five minute time delay will energize This occurs whether the air handler is in the Off Occupied or Unoccupied Mode e Upon a continued alarm after the time delay the RA damper will modulate to 0 and the OA damper will position to 100 EXHAUST MODE CONTROL OPTIONAL e When the CO or other sensor level reaches its Level II setpoint another five minute time delay will energize This occurs whether the air handler is in the Off Occupied or Unoccupied Mode e Upon a continued alarm after the Level II time delay the burner shuts off RA damper modulates to 100 open exhaust damper modulates to 100 open discharge damper modulates to 0 open and OA damper modulates to 0 open e After the CO or other sensor indicates a return to normal the controls will reset the air handler to normal operation HUMIDITY CONTROL OPTIONAL e The sensors measure space air temperature and humidity e If the space air humidity is greater than the user selectable set point the burner ignition sequence is initiated and the burner modulates to maintain the room temperature at a temperature which reduces
9. below the non contaminating levels required by ANSI and OSHA The burner shall have an aluminum manifold and heat resistant Type 430 stainless steel burner plates The burner shall have a nominal 30 1 turndown ratio and be designed for 100 combustion efficiency for the life of the equipment B Burner Profile The outdoor air velocity across the burner on all constant volume designs shall be controlled by fixed burner profile plates The design of the unit profile plates shall maintain manufacturer s specified air velocity at all times over the burner during operation No air from the occupied space shall be allowed to recirculate across the burner at any time C Burner Assembly Gas Train The burner assembly and fuel piping arrangement shall include automatic ignition controls UV scanner flame failure system 5 psig pressure regulator fully modulating gas control valve primary and secondary automatic shutoff valves and manual shutoff valve Pilot gas controls shall include a pilot regulator normally closed solenoid shutoff valve needle valve high gas pressure switch and manual shutoff valve Gas train shall be sized to provide full unit capacity at specified inlet pressure to the gas train Provide and install a supplementary pressure regulator at each unit as necessary to maintain unit inlet pressure at less than 5 psig D Pilot Electric spark ignition through a high voltage ignition transformer or hot surface ignition E Damper
10. d by a contractor qualified in the installation and service of said products with proof of a minimum of three years documented experience C Factory Testing Each air handler shall be factory tested Testing shall consist of checking all circuits for continuity operability of all valves control motors fan speed linkages switches and burner Each air handler shall be test fired for minimum and high fire conditions See Fan and Motor for additional fan testing requirements SECTION 15624 DIRECT FIRED AIR HANDLER GUIDE SPECIFICATION 1 8 REGULATORY REQUIREMENTS A Conform to ANSI Standards Z83 18 or Z83 4 latest revision and provide evidence that the air handler and its control system have been found in compliance as a system with these standards by a nationally recognized testing laboratory B Conform to NFPA 90A C Conform to the National Fuel Gas Code NFPA 54 ANSI Z223 1 D Conform to required or specified insurance specifications FM IRI etc for the gas manifold construction 1 9 WARRANTY A Limited warranty of twenty four 24 months from the date of purchase by Buyer or twenty seven 27 months from date of shipment by Seller whichever occurs first For all deliverables other than replacement parts that require installation and start up the otherwise applicable warranty period shall be extended by an additional four 4 months if 1 the installation and start up is performed by a contractor on Seller s cu
11. e of all critical components controls and fan D Outdoor Installation Units installed outdoors shall utilize weatherproof construction with intake hood or plenum E Lifting Points Internal members shall be properly sized to allow rigging and handling of the unit from the top E Finish All cabinet surfaces inside and out shall be cleaned of oil and grease treated with a rust inhibiting iron phosphate surface coating and then followed by a passivating rinse After the passivating rinse cabinets shall be baked to ensure all moisture is removed from metal joints before prime coating All exterior surfaces of the cabinet and any uncoated steel surfaces within shall be painted with a high quality prime and finish coat of waterbase rust inhibiting machinery grade enamel G Observation Port Provide on burner section for observing main and pilot flames H Mixing Section Optional The air handler shall incorporate a separate compartment containing two 16 gauge galvanized dampers interlinked to work opposite each other Each damper shall control up to 80 of the total air handler fan volume of either outdoor air or the return air from the building These dampers shall be controlled so as to provide an outdoor air turndown ratio of 5 1 based on the fan total flow rate 2 4 BURNER AND GAS TRAIN A Burner Type NP LE as manufactured by Maxon Burner Company or type HMA 2 by Midco specially designed to burn natural or propane gas at or
12. e setpoint of the Low Temperature Limit Control for longer than 5 minutes e Optional Energy Alert building underpressure control patented a During the Occupied Mode 1 The Energy Alert building pressure override control shall SECTION 15624 DIRECT FIRED AIR HANDLER GUIDE SPECIFICATION be activated if the pressure drops 01 w c below the setting of the Building Pressure Control 2 An on delay timer will be activated and start a ten minute time out period 3 After the time out an alarm will sound and an indicator light will be activated indicating LOW BUILDING PRESSURE An Alarm Silence Switch shall be provided which automatically resets with the Energy Alert controls 4 The 80 OA damper will close and the RA damper will go to full open 5 The Control System shall go to the Unoccupied temperature control setpoint 6 After a 20 minute period or immediately when the pressure returns to the pressure setpoint the damper control and building temperature will return to the normal Occupied Mode setpoints UNOCCUPIED PERIOD SETBACK CONTROL a COOLING SEQUENCE Unoccupied Mode 1 The fan is shut down 2 The burner is shut off b HEATING SEQUENCE Unoccupied Mode 1 While the space temperature is above the Unoccupied Period Temperature Setpoint the fan and burner controls shut down and the dampers return to their normal positions 2 When the space temperature falls below the Unoccupied Period Temper
13. easily available for reference or exporting for further analysis f All operational errors shall be reported to the PC including date time and full description Information for the last 4 errors shall be retained in the Controller memory g Acomplete digital Troubleshooting Guide Wiring Schematic and Installation Operation and Service Manual shall be included with the graphic software 8 Handheld Interface Optional The RAPID Remote Station allows complete monitoring and control capability of individual air handler s including all of the Information and Control Functions above except energy usage 9 Interoperability Optional All of the information and control functions above shall be available to a host control interface using either the BACNet ModBus N2 Bus or LON Works etc protocol 2 7 AIR HANDLER OPTIONS AVAILABLE Select Applicable Options A Roof Curb Each air handler shall have a full perimeter 19 high curb formed of minimum 16 gauge galvanized steel as required to support the unit B Light and Receptacle The air handler shall be provided with a control panel service light and a 120 V duplex manual reset GFCI receptacle The light and duplex receptacle shall be located in the air handler s control panel and powered through a line voltage 120 V 750 VA heavy duty machinery grade transformer wired from utility side of main air handler disconnect switch Inlet Hood Recommended for i
14. ed between 30 F and 50 E 6 Information and Control Functions Individual Controllers shall be capable of communicating information to and receiving control instructions from a remote device 7 PC Graphical Interface Optional When the Controller s are connected with a shielded twisted pair communications cable per the manufacturer s instructions to a Windows based computer the following monitoring and control features are available a The DDC controller shall provide a Windows style color graphic display of each individual air handler the entire system group of air handlers spreadsheet format and all digital I O points All schedules setpoints and limit settings shall be readily adjustable by pointing and clicking on the air handler graphic b All setpoints and actual values for temperatures building pressure heating cooling capacity damper position and fan burner status information shall be displayed on the graphic and automatically stored on the PC hard disk in user defined intervals for reference or exporting for further analysis c All controller status and analog I O information shall be readily visible on a graphic based on a photo of the actual controller d The interface shall conveniently display air handler configuration including jumper positions software version and heating and cooling system type e Fan runtime number of fan starts daily electrical usage and daily gas usage shall all be
15. esign with minimum service factor of 1 15 wired for the selected voltage 1750 rpm standard NEMA frame and mounted on an adjustable slide base E Sound Power The fan sound power shall not exceed 75 dBA at a distance of ten feet from the air handler discharge opening FE Electrical Characteristics Refer to Section 16180 G Exhaust Mode Optional Incorporate controls and additional dampers in the fan section for discharge and exhaust functions 1 Discharge Damper 16 gauge galvanized steel with frame supporting damper blades to prevent twisting and flexing friction free bearings operator located outside of air stream 2 Exhaust Air Damper Maximum leakage of 5 cfm per sq ft of damper at 4 w c Air velocity through exhaust damper is not to exceed 2000 fpm 2 6 CONTROL SYSTEM A Factory Testing The complete control system and all burner and gas manifold functions shall be factory tested for proper operation and to simplify field commissioning B Control Enclosure The unit control enclosure shall be constructed to NEMA 3R specifications with a hinged door The control enclosure shall contain the gas train and all principal electrical components such as motor motor starter fused disconnect switch 120 V and 24 V transformers control circuit fuses control relay s circuit check lights DDC microprocessor I O modules pressure transducer flame relay and full number coded terminal strip The gas and electrical c
16. ied in any form or by any means graphic electronic or mechanical including photocopying recording taping or information storage and retrieval systems without written permission of Roberts Gordon LLC Printed in U S A RP4ESNA 5M 0107 Orig
17. l provide a proper gas service drip leg and a lockable lever handle manual shutoff valve A high pressure regulator shall be installed if manifold pressure will exceed 5 psig Furnish Division 16 Electrical Contractor with field wiring diagram and electrical data to permit power wiring connections to the unit Provide equipment check test and commissioning by a factory trained and authorized service technician Provide a copy of the start up report to the engineer This function must be performed by factory authorized personnel not by the installing contractor unless factory certified personnel are employed by the installing contractor Provide the owner s operating personnel with instruction on proper use of the air handler and controls Contractor shall supply all necessary hanger rods and install the discharge head or plate if provided in accordance with manufacturer s instructions Contractor shall level the roof curb and install a cant strip and wood nailer per applicable details on the plans Install carbon monoxide nitrogen dioxide sensors in the vicinity of the source contaminant e g an operating vehicle preferable at the breathing level of the occupants Do not install sensors in confined dead spaces The air handler shall be either an upright or horizontal design as shown on the plans and designed to be supported e g legs suspension by rods structural platform etc as shown on the plans
18. nlet velocities not exceeding 600 fpm at face of hood The inlet hood shall mount on the outdoor air intake of the air handler and be constructed of galvanized sheet metal painted to match color of unit Inlet Hood Drift Eliminator Inlet hood shall be fitted with PVC drift eliminator media on the entering face Outdoor Air Intake Plenum Outdoor air intake plenums shall have vertical drift eliminator media mounted on three sides designed to limit entering air velocity to less than 1000 fpm net The floor shall be sloped and equipped with drain outlets to the roof Insulation The roof and walls of the cabinet shall be completely lined with 1 1 5 Ib density neoprene coated glass fiber insulation which complies with UL181 for erosion and NFPA 90A for fire resistivity The insulation shall be secured via adhesive and mechanical pin fasteners per SMACNA standards All exposed edges shall be coated to prevent erosion Discharge Head s The manufacturer shall provide a 1 3 or 4 way discharge head as detailed on the plans The head shall include adjustable locking horizontal deflection blades for control of discharge airflow direction optional vertical blades available Where shown the discharge head shall include motorized damper blades for remote control of the blade orientation Discharge Plate The plate shall be constructed of 16 gauge galvanized steel Filter Mixing Box The Filter Mixing box includes a
19. ontrols shall conform to requested insurance specifications and the United States National Electric Code C Flame Relay The air handler control panel shall have a burner flame relay to lock out the flame in abnormal conditions D Safety Controls 1 High Gas Pressure The high gas pressure switch located on the burner end of the manifold shall turn the burner off when the gas pressure is above its setpoint The maximum gas pressure shall be selectable between 3 w c and 21 w c 2 Low Gas Pressure The low gas pressure switch located on the inlet end of the manifold shall turn the burner off when the gas pressure is below its setpoint The minimum gas pressure shall be set at 3 w c 3 Air Flow The air flow switches measure air pressure differential across the burner to assure proper air flow during burner operation and prior to ignition It shall be factory set at 0 2 w c for the low setting and 1 35 w c for the high setting 4 High Temperature Limit A manual reset high temperature switch shall turn the burner off when air is discharged above its set point The High Temperature Limit Switch shall be factory set at 150 F E Sequence of Operation All control types With the main fused disconnect in the ON position The Time Clock settings determine whether the air handler operates in the Occupied or Unoccupied Modes Time clock is software based for DDC controls COOLING SUMMER SEQUENCE Occupied Mode e
20. onvenient access to controls and other serviceable components The floor of the enclosure shall utilize 14 gauge multi grip plate All piping or other apparatus in the enclosure walkway shall be installed to allow maximum clearance through the walkway The enclosure door shall be full size and include a window and locking hardware Support Channels Formed or structural channels designed to adequately support the air handler and if specified service platform These shall be furnished by the manufacturer Hangers and miscellaneous hardware shall be furnished by the installing contractor Marine Light One light in each specified air handler section PERFORMANCE See Schedule on plans A Install equipment in strict accordance with manufacturer s instructions B Install per NFPA 90A C Install per NFPA 54 ANSI Z223 1 Provide connection to fuel gas system refer to Section 15410 Units which are shipped in multiple sections shall be assembled on the job site by the installing contractor Assembly includes caulking all seams weather tight and extending electrical power and network control wires to the terminals provided reconnecting the motor and control wiring between sections to create a complete and operable installation per air handler manufacturer s recommendations Contractor shall extend pressure sensing tubes to inside and to outside of building as recommended by the air handler manufacturer Contractor shal
21. rrent list of contractors who have successfully completed Seller s current installation course for that deliverable and 2 full details of the installation and start up are provided to Seller at or prior to the time any warranty claim is made 1 10 MAINTENANCE SERVICE A Section 01700 Contract Closeout B Provide service and maintenance for each air handler for one year from Date of Substantial Completion 1 11 EXTRA MATERIALS A Section 01700 Contract Closeout B Section 01730 Operation and Maintenance Data PART 2 PRODUCTS 2 1 MANUFACTURERS A Rapid Engineering s Series 4000 incorporating one of the following outdoor air control schemes as specified herein or shown on the plans e 20 100 outdoor air 4000 AM e 100 outdoor air 4000 MUA or 4000 VSD e 20 outdoor air 4000 FR e 20 100 variable air volume 4000 VAV B Section 01600 Materials and Equipment Product Options 2 2 MANUFACTURED UNITS A Unit Constant variable volume outdoor indoor direct fired air handler 2 3 FABRICATION A Casing and Components Heavy gauge aluminized steel enclosure arc welded to a steel angle frame The panels for outdoor units shall be stitch welded and caulked at the seams to provide a watertight enclosure B Fan Support The fan and bearings shall be supported by a reinforced steel framework independent of the cabinet C Access Doors Neoprene gasketed doors shall be provided to allow easy servic
22. set A remote switch for DDC controls a command shall allow personnel to reset the burner Special Flame Relay Honeywell 7800 Series flame relays with self checking UV scanner and diagnostic module lt aqxHs W X Y AA BB CC DD EE FE GG 2 8 A SECTION 15624 DIRECT FIRED AIR HANDLER GUIDE SPECIFICATION PART 3 EXECUTION 3 1 INSTALLATION Interlocking Relay Provided for field interface with remote devices Energy Alert Building Under Pressurization Control Flush Mode Control Exhaust Smoke Relief Mode Control CO Detector A room mounted carbon monoxide sensor for initiating Flush or Exhaust modes Carbon Dioxide CO Detector A room mounted carbon dioxide sensor for initiating additional outdoor ventilation Humidity Control Class II Fan Wheels When required for the specified fan duty Remote Control Station Provided for local service allows complete monitoring and control capability of individual air handler s NFPA 79 Wiring All wiring to NFPA 79 standards Pressure Gauges Inlet and outlet pressure gauges are provided for each gas manifold nominal 5 psig and 10 w c spans Additional NEMA Starters As required by equipment schedules mounted in control enclosure fed by main air handler disconnect Weather Enclosure A walk in weatherproof service enclosure shall be provided with dimensions as shown on the plans The enclosure shall be designed to allow c
23. tals Procedures for submittals B Product Data Provide data with dimensions duct and service connections accessories controls electrical nameplate data and wiring diagrams C Shop Drawings Indicate dimensions duct and service connections accessories controls electrical nameplate data and wiring diagrams 1 5 SUBMITTALS FOR INFORMATION A Section 01300 Submittals Procedures for submittals B Manufacturer s Instructions Indicate rigging assembly and installation instructions 1 6 SUBMITTALS AT PROJECT CLOSEOUT A Section 01700 Contract Closeout B Project Record Documents Record actual locations of remote sensors control panels and other components C Operation and Maintenance Data Include manufacturer s operating instructions installation instructions maintenance data and parts listing D Warranty Submit manufacturer s warranty and ensure forms have been filled out in owner s name and registered with the manufacturer 1 7 QUALITY ASSURANCE A Manufacturer Qualifications Company specializing in manufacturing the products specified in this section proportional building pressure controlling modulating direct fired air handler air turnover unit with a minimum of ten years documented experience Equipment shall be the standard product of the manufacturer and shall have complete cataloged data B Installer Qualifications All installation and service of direct fired air handlers must be performe
24. the humidity to the selected level e When the space air humidity is less than the user selectable set point the burner is de energized e This monitoring and control sequence is maintained at all times during air handler s Occupied Mode F Conventional Electronic Controls System 1 Temperature Controller Provide amplifier with room temperature control room temperature sensor and discharge air temperature sensor 2 Pressure switch Provide a null position pressure switch for controlling the mixing dampers 3 Pilot Indicating Lights Optional Install UL labeled lights in panel door for indoor air handlers or inside panel door for outdoor air handlers to indicate operation of control components as follows e Power on e Low temperature limit switch e Power to fan starter e Fanon e High temperature limit switch e High gas pressure switch e Low gas pressure switch e Fan airflow switch e Ignition e Pilot valve e Power to valves e Power to temperature control 4 Remote Control Panel one for each unit Mount unit operating switches and pilot lights as follows e Solid state temperature control system including occupied and unoccupied switches and room temperature thermostats e Programmable electronic 7 day time clock with minimum of 4 on off schedules per day and emergency battery power source optional e Remote burner reset control optional e Burner alarm horn with silence switch optional e S
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