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General| Control Capacity | Up to 64 indoor units |
|---|---|
| Display | LCD Touchscreen |
| Type | Controller |
| Compatibility | Daikin VRV systems |
| Languages | Multiple languages |
| Operating Humidity | 30% to 80% RH |
Information regarding potential hazards including danger, warning, and caution.
Covers software version, electric shock, static components, and RF energy notices.
Defines the operational temperature, pressure, and humidity limits for the controller.
Details the key features and capabilities of the chiller controller.
Illustrates the layout and function of the unit's operation command switches.
Details peripheral bus connections and communication modules for the controller.
Describes the operational sequence of the chiller in cool mode.
Lists and describes the analog and digital inputs and outputs of the controller.
Details how the unit is enabled or disabled using setpoints and inputs.
Determines the operating mode based on setpoints and inputs.
Describes the three possible states of the unit: Off, Auto, and Pumpdown.
Details the conditions that determine the displayed unit status.
Describes the control states and logic for evaporator pumps.
Describes the control states for the condenser pump.
Explains the different modes for condensation control.
Describes how unit capacity is controlled.
Explains compressor staging logic in cool mode.
Explains compressor staging logic in heat mode.
Explains compressor staging logic in ice mode.
Defines which compressor starts or stops next.
Defines which compressor loads or unloads next.
Limits that override automatic capacity control.
Explains calculations related to refrigerant and temperatures.
Conditions required for a circuit to be available to start.
Conditions required for a circuit to start.
Lists the various statuses a circuit can have.
Details compressor operation, cycle timers, and capacity control.
Controls fan steps based on condenser pressure.
Details EXV operation modes: Preopen, Startup, Normal, Max Pressures.
Details available software options and their activation.
Describes how alarms are logged, signaled, and cleared.
Explains how active alarms are cleared.
Alarm for problems with the unit's power supply.
Alarm generated due to loss of flow to the chiller.
Alarm indicating water temperature dropped below safety limit.
Alarm for inverted entering/leaving water temperatures.
Explains how to access and use the unit's embedded web interface.
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