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General| Brand | EngA |
|---|---|
| Model | CenCon |
| Category | Controller |
| Language | English |
Legal statement regarding document ownership and reproduction rights.
Lists contact details for Canadian and USA head offices and factories.
Defines WARNING, CAUTION, and NOTICE statements to ensure safe operation and prevent damage.
Provides a high-level introduction to the CenCon controller and its capabilities.
Details the controller's specifications, including voltage, output ratings, and power consumption.
Displays setpoint, discharge temperature, and active modes of operation.
Details the G-XM heating and C-XM cooling screens, showing operational status and sequences.
Details analog and digital input/output signals for the CenCon controller's interface.
Details analog and digital input/output signals for the heating expansion module.
Explains mode selection based on demand/ambient temp and operation during occupied/unoccupied periods.
Details fan control, VAV, feedback checks, and air proving switch operation during startup.
Describes preheat/cooldown delays for heat exchangers based on ambient and discharge temperatures.
Covers make-up air damper operation with 2-position actuators and damper end switch functionality.
Explains ambient compensation for density and economizer damper control strategies.
Covers disabling economizer at high ambient temperatures and low limit freeze protection features.
Describes control of simple fluid heating and the need for expansion modules for gas-fired heating.
Details MCW output for chilled water coils and actuator requirements for cooling.
Lists various timing parameters for mode changes, alarms, and delays.
Details using thermostats and remote setpoints for discharge temperature control.
Explains modifying discharge temperature via a Building Management System (BMS).
Lists and explains various system alarms related to operation, sensors, and communication.
Provides instructions for resetting alarms via computer screen or the CenCon keypad.
Proper grounding for CenCon and expansion modules, including green wire connection to chassis.
Details Modbus wiring, cable specifications, routing, and polarity for stable operation.
Describes the J-XM module's operation for indirect fired heating and burner control functions.
Step-by-step guide for calibrating gas valve actuators for accurate combustion setup.
Instructions for adjusting combustion offsets to achieve optimal air/fuel mixture and O2 levels.
Describes the G-XM module's operation for indirect heating, including prepurge, ignition, and modulation.
Guides calibration of gas and air actuators for optimal combustion on G-XM.
Details adjusting air and gas offsets for optimal O2 values and combustion on G-XM.
Describes M-XM operation for direct fired HE heaters, including ignition and modulation.
Instructions for setting up and operating the Maxitrol valve for M-XM burner control.
Step-by-step calibration for gas actuators used in M-XM burner setup and operation.
Describes C-XM operation for staged compressor cooling and stage sequencing up to 6 compressors.
Describes H-XM operation for staged electric heat control and stage sequencing based on ambient temperature.
Describes S-XM operation for humidifiers, including tank fill, drain, and burner control.
Describes ER-XM operation for energy recovery, including heat wheel speed, frost protection, and exhaust temperature monitoring.
Describes CD-XM operation for controlling combustion motor speed in conjunction with J-XM heating module.
Describes P-XM operation for measuring variable flow and providing pressure differential outputs.
Covers service issues like read/save features, communication alarms, erratic behavior, and hard reset procedures.
Covers annual combustion checks, pilot sensing issues, regulator response, and water/ice from combustion.
Details manifold pressure settings, field adjustments, and guidelines for customer-installed sensors.
Explains testing DJ speed sensors, magnet gaps, and proper top loading tube orientation.
Discusses air balancing procedures and the impact of ambient temperature on air volume.
