340968-XIM-A-0108

TABLE OF CONTENTS

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 APPROVALS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 RIGGING OR HANDLING . . . . . . . . . . . . . . . . . . . . . . . . .4 CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 DUCT WORK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 ROOF CURB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 CONDENSATE DRAIN . . . . . . . . . . . . . . . . . . . . . . . . . . .5 SERVICE ACCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 POWER AND CONTROL WIRING . . . . . . . . . . . . . . . . . .6 COMPRESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 GAS CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 FLUE VENT HOOD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

SEQUENCE OF OPERATION. . . . . . . . . . . . . . . . . . . .13

HEATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 PRESSURE SWITCH PROVING . . . . . . . . . . . . . . . . .13 PRE-PURGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 IGNITION TRIAL PERIOD. . . . . . . . . . . . . . . . . . . . . . .13 PILOT FLAME STABILIZATION PERIOD. . . . . . . . . . .13 HEAT BLOWER ON DELAY . . . . . . . . . . . . . . . . . . . . .13 MAIN BURNER OPERATION . . . . . . . . . . . . . . . . . . . .13 POST PURGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 HEAT BLOWER OFF DELAY . . . . . . . . . . . . . . . . . . . .14 LOCKOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 HIGH TEMPERATURE LIMIT SWITCH . . . . . . . . . . . .14 ROLLOUT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . .14 POWER INTERRUPTIONS. . . . . . . . . . . . . . . . . . . . . .14 FLAME PRESENT WITH GAS OFF . . . . . . . . . . . . . . .14 GAS VALVE STUCK OPEN OR CLOSED . . . . . . . . . .14 FLAME SENSE CIRCUIT FAILURE . . . . . . . . . . . . . . .14 SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . .14

COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 CIRCULATING FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

PRE-START CHECK LIST . . . . . . . . . . . . . . . . . . . . . . .15 OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . .15 TO TURN OFF GAS TO UNIT. . . . . . . . . . . . . . . . . . . . .15 POST-START CHECK LIST (GAS). . . . . . . . . . . . . . . . .16 MANIFOLD GAS PRESSURE ADJUSTMENT . . . . . . . .16 BURNER INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . .16 PILOT INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . .16 ADJUSTMENT OF TEMPERATURE RISE . . . . . . . . . . .17

DIRECT DRIVE BLOWER. . . . . . . . . . . . . . . . . . . . . . .17 CHECKING GAS INPUT . . . . . . . . . . . . . . . . . . . . . . . . .17 NATURAL GAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 CHECKING SUPPLY AIR CFM. . . . . . . . . . . . . . . . . . . .18

TYPICAL WIRING DIAGRAM NOTES . . . . . . . . . . . . .23

 

LIST OF FIGURES

Fig. #

Pg. #

1 PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . 3 2 UNIT CENTER OF GRAVITY . . . . . . . . . . . . . . . . . 5

3 TYPICAL FIELD CONTROL WIRING DIAGRAM . . 6 4 TYPICAL FIELD POWER WIRING DIAGRAM . . . . 6 5 EXTERNAL SUPPLY CONNECTION

EXTERNAL SHUT-OFF. . . . . . . . . . . . . . . . . . . . . . 8

6 FLUE VENT OUTLET AIR HOOD . . . . . . . . . . . . . . 9 7 UNIT DIMENSIONS - FRONT . . . . . . . . . . . . . . . . 11 8 UNIT DIMENSIONS - FRONT & BOTTOM . . . . . . 12 9 UNIT DIMENSIONS - BACK & BOTTOM . . . . . . . 12 10 GAS VALVE - FRONT . . . . . . . . . . . . . . . . . . . . . . 16 11 GAS VALVE - REAR . . . . . . . . . . . . . . . . . . . . . . . 16 12 PROPER FLAME ADJUSTMENT . . . . . . . . . . . . . 17 13 DNA COIL DELTA P VS. AIRFLOW . . . . . . . . . . . 19 14 TYPICAL WIRING DIAGRAM DNA 018 THRU 060

(208/230-1-60 POWER SUPPLY) . . . . . . . . . . . . . 22

15 TYPICAL WIRING DIAGRAM LEGEND . . . . . . . . 23

 

LIST OF TABLES

Tbl. #

Pg. #

1 UNIT APPLICATION DATA. . . . . . . . . . . . . . . . . . . . . . 4 2 UNIT WEIGHTS AND CENTER OF GRAVITY . . . . . . . 5 3 NATURAL GAS APPLICATION DATA . . . . . . . . . . . . . 7 4 PROPANE (LP) GAS APPLICATION DATA . . . . . . . . . 7 5 NATURAL GAS PIPE SIZING CHART . . . . . . . . . . . . . 8 6 PROPANE (LP) GAS PIPE SIZING CHART . . . . . . . . . 8 7 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8 ELECTRICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . 10 9 UNIT DIMENSIONS FRONT . . . . . . . . . . . . . . . . . . . . 11 10 UNIT MINIMUM CLEARANCES . . . . . . . . . . . . . . . . . 11 11 IGNITION CONTROL BOARD FLASH CODES . . . . . 15 12 GASE RATE - CUBIC FEET PER HOUR . . . . . . . . . . 18 13 SUPERHEAT CHARGING TABLE FOR DNA018. . . . 19 14 SUPERHEAT CHARGING TABLE FOR DNA024. . . . 20 15 SUPERHEAT CHARGING TABLE FOR DNA030. . . . 20 16 SUPERHEAT CHARGING TABLE FOR DNA036. . . . 20 17 SUPERHEAT CHARGING TABLE FOR DNA042. . . . 21 18 SUPERHEAT CHARGING TABLE FOR DNA048. . . . 21 19 SUPERHEAT CHARGING TABLE FOR DNA060. . . . 21

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Johnson Controls Unitary Products

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Johnson Controls 340968-XIM-A-0108 installation manual Table of Contents
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340968-XIM-A-0108 specifications

Johnson Controls 340968-XIM-A-0108 is a sophisticated component designed for advanced building management and automation systems. This device is engineered to enhance the performance and efficiency of HVAC (Heating, Ventilation, and Air Conditioning) systems, contributing significantly to energy conservation and optimal climate control in commercial and industrial environments.

One of the main features of the Johnson Controls 340968-XIM-A-0108 is its robust compatibility with various building management systems. This component integrates seamlessly with existing systems, allowing for quick deployment and ease of use. The flexibility of this device supports multiple communication protocols, making it a versatile choice for systems upgrades or replacements.

Another standout characteristic of the 340968-XIM-A-0108 is its advanced sensing technologies. This device is equipped with high-precision sensors that monitor temperature, humidity, and air quality, providing real-time data to the building management system. The ability to collect accurate environmental data enables facility managers to make informed decisions that enhance comfort and efficiency.

Energy efficiency is a key focus of the Johnson Controls 340968-XIM-A-0108. The device incorporates intelligent algorithms that optimize HVAC operations, significantly reducing energy consumption. By analyzing usage patterns and adjusting settings accordingly, it helps facilities decrease operational costs while maintaining ideal indoor conditions.

In addition to its operational efficiency, the Johnson Controls 340968-XIM-A-0108 features a user-friendly interface that simplifies monitoring and management. The intuitive design allows operators to easily access system data and make adjustments as necessary without requiring extensive technical knowledge. This feature enhances the overall user experience and promotes efficient building management.

Safety and reliability are also prioritized in the design of the 340968-XIM-A-0108. Built with durable materials and rigorous testing standards, it ensures long-term operation under various conditions. Furthermore, the device supports multiple fail-safes and alarms, providing peace of mind to facility managers regarding system performance and safety.

In conclusion, the Johnson Controls 340968-XIM-A-0108 stands out in the building automation market due to its compatibility, sensing technologies, energy efficiency, user-friendly interface, and reliable performance. These features make it an essential component for optimizing HVAC operations and ensuring sustainable building management practices.
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