Mercury PR0091 Normal Operation, Frost Detect, Invert, Probe Offset, Channel Off, Channel Timer

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Mercury 6-5 Stat – Installation & User Guide

Normal Operation

During normal operation, the controller will display "on". If the 5 Channel Thermostat is on a network and on- line, the green network LED will be on. If any alarms are generated the red LED will light. The yellow LED has no function and will not light.

Frost Detect

The frost detect parameter is used to provide heating in an instance where the timer status is off. Each thermostat channel has its own frost detect value that can be configured. Once the temperature drops below the frost detect value the controller channel will heat to the frost detect value plus the channels diff parameter. For example the 5 Channel Thermostat is used to heat a room, the channel configured has a diff of 5oC, a frost detect value of 0oC and the timer is off. The channel will switch its associated relay on when the temperature drops below 0oC. The room will begin to heat and the relay is on, it will stay on until the temperature rises above 5oC. At this point the relay will be turned off. The relay will be turned on again if the room temperature drops below 0oC.

Invert

The 5 Channel Thermostat has a channel setting to invert the output, if this option is used, the output is off when the timer is on and the output is on when the timer is off.

Network

The Network green LED flashes if the controller goes off-line.

Probe Offset

Each probe can be offset by up to ±10 oC to compensate for long cable runs.

Channel Off

It is possible to turn channels off if they are not in use.

Channel Timer

It is possible to use each channel as a timer. The channel will follow the controller’s internal timer schedule or a remote GP timer for on and off times.

Ensure that all power is

 

 

switched off before

 

 

installing or maintaining

 

 

this product

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Contents Mercury Channel Thermostat Installation Guide Table of Contents Configuration From Resource Data ManagementDescription Display value Type M Channel Thermostat NetworkCh Thermostat Description Alarm Action Switched Resistor ConnectionsDo not connect an earth Input/Output Allocation Tables Setting up the controller Set-up Mode Set-up through front buttonsSet-up Function Menu Display Option Explained in Paragraph Recommended set-up method Type. view controller typeRevision Mercury 6-5 Stat Installation & User Guide Probe Fault Units and Probe TypeNetwork Configuration IP Futura moduleIP-r Over-ride Operation Thermostat Over-rideChannel Timer Normal OperationFrost Detect InvertThermostat Cooling/Heating Operation Cooling Thermostat graph Heating Thermostat graphViewing Display MessagesDisplay System status Network Alarms Alarm text TypeGP Timer Set-up Specification General Power requirements RelaysInputs Panel Cut-out FixingClearances Wiring Over-ride input ResistorsCleaning FuseRevision History

PR0091 specifications

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In conclusion, the Mercury PR0091 is a versatile and powerful device equipped with a range of features and technologies that make it a standout choice for various applications. With its high-performance processing, superior display, extensive connectivity, elegant design, enhanced security, and commitment to sustainability, it meets and exceeds the diverse demands of modern users.