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General| Cooling Capacity | 12000 BTU/h |
|---|---|
| Refrigerant | R410A |
| Noise Level (Indoor) | 38 dB(A) |
| Type | Split |
| Power Supply | 220-240V, 50Hz |
| Operating Temperature (Cooling) | 18°C to 43°C |
Installation and servicing of AC equipment can be hazardous due to system pressure, moving parts.
Inspect unit for damage during transit. Note damage on carrier's freight bill.
Lists additional information available in reference forms and ordering information.
Details CSA certifications for unit installation and use.
Read instructions before installation. Unit is for outdoor combination heating/cooling.
Steps to take before installing the unit, like removing shipping brackets.
Units must be installed according to NEC, local building codes, and ACCA methods.
Guidelines for selecting a suitable installation location for the units.
Instructions for safely rigging and handling the unit.
Required clearances for proper operation, servicing, and ventilation.
Ductwork design and sizing according to ACCA, ASHRAE, SMACNA standards.
Instructions for handling and installing duct covers for side and bottom openings.
Details on condensate drain reversibility, connection, and protection from freezing.
Information on compressor mounting and precautions.
Information on filter types, installation, and maintenance.
Guidelines for thermostat location and wiring connections.
Requirements for field wiring, fuses, disconnects, and grounding.
Details on factory wiring, voltage, and power wiring entry points.
Information on electric heaters as field installed accessories.
Details on factory-installed electric heaters and power supply.
Information on Motorized Outdoor Damper as factory or field installed option.
Information on factory and field installed economizer options.
Information on factory and field installed power exhaust accessories.
Details on hood components and their packaging.
Procedure for adjusting the minimum position of the economizer damper.
Procedure for setting the enthalpy set point for economizer control.
Setting the power exhaust damper position based on need.
Configuration for Indoor Air Quality (IAQ) sensor input.
Checking compressor and blower rotation for correct phasing.
Checking supply air blower rotation and identifying phasing issues.
Procedure for adjusting belt tension using a tension checker.
Balancing air distribution throughout the conditioned space.
Procedures to check and adjust airflow for proper unit operation.
How to adjust blower speed using the variable pitch motor sheave.
Overview of how the thermostat, UCB, and components interact for cooling.
How the blower operates continuously with the thermostat fan switch set to ON.
How the blower operates with fan switch in AUTO or HEAT settings.
Cooling sequence for units without outdoor air options.
Cooling sequences for units with economizer options.
Operation of motorized outdoor air dampers.
High-pressure limit switch operation and error handling.
Low-pressure limit switch operation and error handling.
Freezestat operation and error handling during cooling.
How the unit operates in low ambient cooling mode.
Monitoring of safety controls like freezestats and pressure switches.
Compressor protection features and Anti-Short Cycle Delay (ASCD).
UCB flash codes for system errors and their descriptions.
How to reset cooling system errors or flash codes.
Describes the sequence of operation for the electric heat section.
Monitors electric heat operation and safety controls.
UCB flash codes for electric heating errors.
How to reset electric heating errors or flash codes.
Importance and setting of electric heat anticipator setpoints.
Checklist of tasks to perform before starting the unit for cooling.
Instructions for operating the unit for cooling.
Checklist of tasks to perform after starting the unit for cooling.
Method and data for charging the unit using superheat.
Routine maintenance tasks including filter changes and coil cleaning.
Guidance for troubleshooting components and electrical issues.
Explanation of UCB flash codes for troubleshooting.
