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CLCH-SVX014B-EN

Table of Contents

General Information

. . . . . . . . . . . . . . . . . . . . . 5

Overview of Manual

. . . . . . . . . . . . . . . . . . . 5

Nameplate

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Product Information

. . . . . . . . . . . . . . . . . . . . 6

Burner Specifications . . . . . . . . . . . . . . . . . 6

Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Pre-Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . 8

Receiving and Handling

. . . . . . . . . . . . . . . . 8

Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Packaging/Shipping . . . . . . . . . . . . . . . . . . 8

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Receiving Checklist . . . . . . . . . . . . . . . . . . 8

Jobsite Storage

. . . . . . . . . . . . . . . . . . . . . . . 9

Outdoor Storage . . . . . . . . . . . . . . . . . . . . . 9

Dimensions and Weights

. . . . . . . . . . . . . . . . 10

Service Clearances

. . . . . . . . . . . . . . . . . . . . 10

Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Contractors’ Responsibilities

. . . . . . . . . . . 12

Installing Contractor . . . . . . . . . . . . . . . . . 12

Electrical and/or Controls Contractor . . . 12

Lifting and Rigging

. . . . . . . . . . . . . . . . . . . 13

Placement and Assembly

. . . . . . . . . . . . . . 13

Flue Stack for Outdoor Air Handlers . . . . 13

Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . 13

High Altitude Installations . . . . . . . . . . . . 13

Installing Outdoor Flue Stacks . . . . . . . . 13

Installing Indoor Flue Stacks . . . . . . . . . . 14

Installing Rain Hood/Combustion Air Inlet 14

Installing Flue Stack for Hurricane Applica-
tions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Duct Connections

. . . . . . . . . . . . . . . . . . . . . 14

Combustion Air Duct . . . . . . . . . . . . . . . . 14

Duct Transitions . . . . . . . . . . . . . . . . . . . . 15

Airflow Direction . . . . . . . . . . . . . . . . . . . 15

Piping

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Gas Piping

. . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Proper Gas Pressure . . . . . . . . . . . . . . . . 16

Heat Exchanger Condensate Piping

. . . . . 16

Wiring

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Wiring Checklist

. . . . . . . . . . . . . . . . . . . . . . .17

High-Voltage Wiring

. . . . . . . . . . . . . . . . . . .17

Wiring Entrance Locations . . . . . . . . . . . .17

Low-Voltage Wiring

. . . . . . . . . . . . . . . . . . . .18

Start-Up — Indirect Gas-Fired Heating

. . . . .19

Gas Heat Application Rules — Inshot . . . .19

Start-up Procedure

. . . . . . . . . . . . . . . . . . . .19

Safety Controls

. . . . . . . . . . . . . . . . . . . . . . . .22

Normal Sequence of Operation

. . . . . . . . .22

Normal Shutdown

. . . . . . . . . . . . . . . . . . . . .23

Wiring Diagrams

. . . . . . . . . . . . . . . . . . . . . . . .24

Routine Maintenance

. . . . . . . . . . . . . . . . . . . .27

Troubleshooting Guide

. . . . . . . . . . . . . . . . . .28

VB1285 Sequence of Operations

. . . . . . . . .29

VB1287 Sequence of Operations

. . . . . . . . .31

Содержание CSA004

Страница 1: ...g Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment Gas Heat Inshot Style Performance Climate Changer CSAA Air Handlers Sizes 4 to 30 for Indoor and Outdoor Units Installation Operation and M...

Страница 2: ...uation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could result in equipment or property damage only accidents WARNING Proper Field Wiring and Grounding Required Failure to follow code could result in death or serious injury All field wiring MUST be performed by qualified personnel Improperl...

Страница 3: ...ers Revision History Updated start up procedure Updated normal sequence of operation Added new chapter Troubleshooting Guide WARNING Follow EHS Policies Failure to follow instructions below could result in death or serious injury All Ingersoll Rand personnel must follow Ingersoll Rand Environmental Health and Safety EHS policies when performing work such as hot work electrical fall protection lock...

Страница 4: ...igh Altitude Installations 13 Installing Outdoor Flue Stacks 13 Installing Indoor Flue Stacks 14 Installing Rain Hood Combustion Air Inlet 14 Installing Flue Stack for Hurricane Applica tions 14 Duct Connections 14 Combustion Air Duct 14 Duct Transitions 15 Airflow Direction 15 Piping 16 Gas Piping 16 Proper Gas Pressure 16 Heat Exchanger Condensate Piping 16 Wiring 17 Wiring Checklist 17 High Vol...

Страница 5: ...ion and startup difficulties Nameplate Each air handler section includes a nameplate label which identifies the type of section customer tagging information the unit serial number the unit order number the build section position for installation and the unit model number Note The unit serial number and order number is required when ordering parts or requesting service for a Trane air handler Figur...

Страница 6: ...___________________ Air Handler Serial Number_________________________________________________________________ Startup Date_______________________________________________________________________________ Altitude Above Sea Level___________________________________________________________________ Calorific Value_____________________________________________________________________________ Maximum Firi...

Страница 7: ...s heat section must be in a blow thru position downstream from the supply fan Downstream sections must be separated by a blank access section and discharge temperatures must be controlled so as not to exceed the temperature limits of components in the downstream sections Table 1 Motor and electrical specifications Specifications Gas Heater Input Power Inducer Motor a Control Power a Volts 115 115 ...

Страница 8: ...on and must be removed before assembly to the air handler Instruction Manuals Individual instruction manuals for all of the gas train components such as flame control relay valves pressure switches and actuators ship inside the piping vestibule Retain these manual for future repair or troubleshooting Handling The gas heat section is designed with the necessary number of lift points for safe instal...

Страница 9: ...ed for units that will be installed indoors However when outdoor storage is necessary several things must be done to prevent damage Note Keep the equipment on the original wooden blocks skid for protection and ease of handling Select a well drainedarea preferably a concrete pad or blacktop surface Place the unit on a dry surface or raised off the ground to assure adequate air circulation beneath t...

Страница 10: ... as filter access doors coil piping connections motor locations hoods pipe cabinets etc Sufficient clearance must be provided on all sides of unit for removal of access panels plug panels or section to section attachment brackets Clearance for starters VFDs or other high voltage devices must be provided per NEC requirements For specific dimensional and weight information refer to the unitsubmittal...

Страница 11: ...6 636 636 325 74 136 856 008 205 56 636 691 325 74 136 919 405 84 136 1027 010 205 56 636 733 325 74 136 970 405 84 136 1068 012 240 44 386 639 325 57 386 854 485 67 136 997 014 240 44 386 657 325 57 386 875 485 67 136 1021 017 240 44 386 686 325 57 386 910 485 67 136 1060 021 650 66 006 1348 970 81 006 1646 025 650 66 006 1391 970 81 006 1695 030 650 66 006 1453 970 81 006 1767 ...

Страница 12: ...y fan providing airflow All wiring must comply with applicable local and National Electric Code NEC specifications For VAV units provide temperature sensors for entering and leaving air in gas heat section WARNING Improper Unit Lift Failure to properly lift unit could result in unit dropping and possibly crushing operator technician which could result in death or serious injury and possible equipm...

Страница 13: ... inside the unit once the unit is assembled Installation High Altitude Installations Air fuel adjustment is not normally required However for high altitude installations adjustment to the air fuel may be necessary for proper combustion Heater outputs must be derated four percent for every 1000 feet over 2000 feet above sea level When specifying gas heaters the engineer should provide the MBh and a...

Страница 14: ...e of the hood 2 3 8 inches below the bottom edge of the inlet air opening and center the hood left to right over the inlet air opening See the following figure Install the hood to the unit with number 10 screws Installing Flue Stack for Hurricane Applications Note When installing flue leave enough clearance to avoid roof s edge and anything above the roof Duct Connections All duct connections to t...

Страница 15: ... through the vestibule is needed to keep the temperatures in the vestibule down Duct Transitions When the gas heat section is the last section of the air handler and duct transitions should be smooth and uniform from all sides Follow recommendations for duct transitions from SMACNA Fasten the ductwork directly to the ductwork opening When using lined ductwork the insulation should not obstruct the...

Страница 16: ...ger Condensate Piping Condensate usually does not form in the heat exchanger during normal heating operation However if the unit operates for extended periods of time at very low fire or if the air handler serves as a cooling unit also condensate can form in the heat exchanger and should be removed All units are equipped with a condensate drain The condensate drain is on the same side as the gas t...

Страница 17: ...iate Single phase 120 208 230 460 or 575 volt power is required to operate the heater controls or power the transformer TRANS1 if provided Single phase power for 208 230 460 and 575 voltage is provided for the gas heat off two legs of the three phase supply to the air handling unit A transformer in the piping vestibule is provided to step down the voltage required for gas heat WARNING Proper Field...

Страница 18: ...p signal is interrupted to the gas heat system if the supply fan is shut off The gas heat system must not operate without the supply fan providing airflow The control system also requires a 0 to 10 Vdc analog signal for modulation where 10 Vdc is a signal for full heat NOTICE Equipment Damage Do not operate the gas heat system without a supply fan providing airflow Operating the gas heat system wi...

Страница 19: ...y Fan Failure Switch Operation The supply fan air proving switch is located in the heater electrical control compartment near the top of the heater panel The switch will fail if not proven within 30 seconds of call for indoor fan ON All unit air filters must be clean before proceeding to properly complete this verification Important If the unit air filters are not clean unit performance could be a...

Страница 20: ... spark ignitor will remain active for the duration of the ignition cycle regardless of flame status g If flame is not established during the ignition cycle the control will repeat the pre purge and ignitions cycles up to three times After three failed ignition attempts the board will enter a 1 hour lockout h Once flame has been established the control will enter a warm up period to ensure flame st...

Страница 21: ...ion in the fan blade or low voltage to draft inducer motor Inspect draft fan assembly and be sure fan blade is secure to motor shaft Check line voltage to heater 1 Flame Sensor Current Check Flame current is the current which passes through the flame from the sensor to ground A flame signal of 0 5 to 1 0 microamp A is marginal For dependable operation a flame signal of greater than 1 0 A is requir...

Страница 22: ...filters or restriction of the air inlet or outlet to the unit The high limit switch will automatically reset when the air temperature drops to approximately 50 F below the limit setpoint Determine the cause of the reduced air flow and correct Supply Fan Air Proving Switch A supply fan air proving switch is provided as a part of the gas heat control system to verify air handling unit supply fan air...

Страница 23: ... secondary burners and modulate the primary burners based on the demand for heat 8 The run cycle will continue until any of the following conditions are met a The call for heat is terminated b Any of the safety devices high limit air pressure rollout etc are triggered c The control reaches it s maximum run time of 6 hours If this condition is reached the control will terminate the run cycle contin...

Страница 24: ...24 CLCH SVX014B EN Wiring Diagrams Figure 12 Typical wiring diagram for 5 1 turndown heater ...

Страница 25: ...Wiring Diagrams CLCH SVX014B EN 25 Figure 13 Typical wiring diagram for 10 1 turndown heater ...

Страница 26: ...Wiring Diagrams 26 CLCH SVX014B EN Figure 14 Typical wiring diagram for 20 1 turndown heater ...

Страница 27: ...l electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized WARNING Hazard of Explosion Failure to follow proper safe leak test procedures could result in death or serious injury or equipment or property only damage NEVER use an open flame to detect gas leaks You MUST use a leak test solution for leak...

Страница 28: ...t tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks WARNING Hazardous Gases and Flammable Vapors Failure to observe following instructions could result in death or serious injury Expos...

Страница 29: ...tch failed to open 1 Failed combustion blower 2 Check pressure hoses for leaks or blockage 3 Check for blockage in the inducer barb fitting 4 Check for condensate accumulation in the pressure switch and hose 5 Check the pressure switch wiring 6 Replace the pressure switch E05 29 Air pressure sensor reading high and or pressure switch failed to close 1 Check wiring to the pressure switch and draft ...

Страница 30: ...here is no voltage to gas valve repair replace wiring if voltage is present 2 If voltage is not present check for gas flow If gas is flowing verify line and manifold pressures before replacing valve eAIR_FLOW_LOW eAIR_FLOW_HIGH 43 44 Low pressure switch is open High pressure switch is open 1 Failed combustion blower 2 Check pressure hoses for leaks or blockage 3 Check for blockage in the inducer b...

Страница 31: ...pertain to the primary burners Once the control exits the warm up period and the firing rate is dictated by the rooftop control the control will ignite the secondary burners and step High or Low the primary burners based on the demand for heat 8 The run cycle will continue until any of the following conditions are met a The call for heat is terminated b Any of the safety devices high limit air pre...

Страница 32: ...and protect food and perishables and increase industrial productivity and efficiency We are a global business committed to a world of sustainable progress and enduring results ingersollrand com Ingersoll Rand has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice We are committed to using environmentally conscious p...

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