Friedrich VRPXEMRT2 Instruction Manual
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Friedrich VRPXEMRT2 Instruction Manual

Vrp & freshaire ptac energy management wired wall controller with an occupancy sensor
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VRPXEMRT2
VRP
& FreshAire
PTAC Energy
®
®
Management Wired Wall Controller with
an Occupancy Sensor
INSTRUCTION MANUAL
PART NO. 20201009 Rev 00

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Summary of Contents for Friedrich VRPXEMRT2

  • Page 1 VRPXEMRT2 & FreshAire PTAC Energy ® ® Management Wired Wall Controller with an Occupancy Sensor INSTRUCTION MANUAL PART NO. 20201009 Rev 00...

  • Page 3: Table Of Contents

    Table of Contents Introduction ......................5 Before You Begin ....................6 Programming a Wall Controller with a Network Programmer ........ 7 Wall Controller Installation ..................8 Friedrich VRP Wiring Installation ..............9-12 ® Friedrich FreshAire PTAC Wiring Installation ..........13-15 ® Wall Controller Configuration ................16 Setting the Wall Controller clock ................
  • Page 4 Table of Contents 18 – MAXIMUM SET POINT ................41 19 – TEMPERATURE CONTROL MODE ............42 20 – AUTO CHANGEOVER SET POINT OFFSET (DEAD BAND) ..... 43 21 – SETBACK SET POINTS / AUTO-RESTORE ..........44 22 – AUTOMATIC HUMIDITY CONTROL ............45 23 –...

  • Page 5: Introduction

    Introduction Friedrich VRPXEMRT2 Energy Management Wall Controllers deliver unprecedented energy savings without compromising occupant comfort. An Integrated occupancy sensor uses a combination of motion and thermal sensing technologies for accurate occupancy detection. Reliable occupancy detection allows for energy savings when rooms are unoccupied.

  • Page 6: Before You Begin

    Before You Begin Determine the appropriate installation location for the Wall Controller. The Wall Controller should face the bed area of the room. WALL CONTROLLER MUST NOT BE INSTALLED NEAR OR ON METAL STRUCTURES OR SURFACES INCLUDING METAL AIR DUCTING THAT MAY BE IN THE WALL.

  • Page 7: Programming A Wall Controller With A Network Programmer

    Before You Begin Programming a Wall Controller with a Network Programmer In case of Network Installation with Remote Management, the Wall Controller must be programmed with a Network Programmer specific to the property before the installation. Wall Controller must not be powered during the pairing procedure. •...

  • Page 8: Wall Controller Installation

    Wall Controller Installation ® ® • Unplug the VRP or FreshAire PTAC unit; • Remove the Wall Controller cover; • Connect the supplied Wiring Harness to the wiring in the wall; • Plug the wiring connector into the Wall Controller; •...

  • Page 9: Friedrich Vrp ® Wiring Installation

    Wall Controller Wiring Installation There are four sets of connections for the VRPXEMRT2 Wall Controller. The supplied cable from the VRPXEMRT2 Wall Controller as shown in Figure 1, has four color coded wires. Each of these wires must be connected to two Cat6 wires (not supplied) as shown in Figure 2.
  • Page 10 Wall Controller Wiring Installation Wiring Installation (Cat6 to VRP ® ® • Strip 2” off outer sheath of each end of Cat6 Wire (not supplied); • Twist the exposed wires as indicated below; • Connect one end of Cat6 Wire to the appropriate VRP terminals as shown ®...
  • Page 11 Wall Controller Wiring Installation General Connection Procedure: Figure 3. 1. Remove 2” of the outer sheath of the CAT6 cable (not supplied) including the shield and strip the wires. 2. Insert the specifi ed wire from the Wall Controller into a slot of the lever connector as shown in Figure 3 and close lever as shown in Figure 4.
  • Page 12 Wall Controller Wiring Installation VRP Wiring Installation (Wall Unit to Lever Connector) Connection 1: Insert the Orange (V+) wire from the Wall Controller into a lever connector slot and close the orange lever on the connector. Insert the twisted Orange and Green/White Cat 6 wires into the remaining lever connector slot and close the orange lever on the connector.

  • Page 13: Friedrich Freshaire ® Ptac Wiring Installation

    ® ® Note: Friedrich FreshAire PTAC models with a SKU ending in ‘A’ are not ® compatible with the VRPXEMRT2 thermostat. • Connect one end of the Cat6 wire to the FreshAire PTAC using the RJ45 ® port on the PTAC unit.
  • Page 14 Wall Controller Wiring Installation General Connection Procedure: Figure 3. 1. Remove 2” of the outer sheath of the CAT6 cable (not supplied) including the shield and strip the wires. 2. Insert the specifi ed wire from the Wall Controller into a slot of the lever connector as shown in Figure 3 and close lever as shown in Figure 4.
  • Page 15 Wall Controller Wiring Installation FreshAire PTAC Installation (Wall Controller to Lever Connector) ® Connection 1: Insert the Red (V+) wire from the Wall Controller into a lever connector slot and close the orange lever on the connector. Insert the twisted Blue and Brown/White Cat 6 wires into the remaining lever connector slot and close the orange lever on the connector.

  • Page 16: Wall Controller Configuration

    Wall Controller Confi guration Once the Wall Controller is powered, Wall Controller confi guration settings will appear on the Wall Controller screen. In order to properly operate the VRP or FreshAire PTAC unit: ® ® • Set the Wall Controller clock; •...

  • Page 17: Setting The Wall Controller Clock

    Wall Controller Confi guration Setting the Wall Controller Clock HOURS MINUTES Set the Wall Controller clock to current time in 24 hr. (Military Time) format. • Use the “Up” and “Down” buttons to set the hours; • Press the “Fan” button to advance to the minutes setting; •...

  • Page 18: Entering The Room Number

    Wall Controller Confi guration Entering the Room Number Enter the room number by changing the digits on the screen. Leading zeros “0” preceding other digits will be ignored, i.e. Room number “123” should be entered as “00123”. • Use the “Up” and “Down” buttons to change the digit; •...

  • Page 19: Configuring The Equipment Type

    Wall Controller Confi guration Confi guring the Equipment Type Use the “Up” and “Down” buttons to select the Equipment Type: ® Units ® FreshAire PTAC units; * Indicates default setting;...

  • Page 20: Configuring The Energy Saving Settings

    Wall Controller Confi guration Confi guring the Energy Savings Settings Use the “Up” and “Down” buttons to select the Energy Saving preset: E-0* Energy Savings Off - No Temperature Setback; E-1 Lowest Energy Savings; E-2 Lower Energy Savings; E-3 Standard Energy Savings; E-4 Higher Energy Savings;...

  • Page 21: Testing The Wall Controller

    Wall Controller Configuration Testing the Wall Controller Following the Wall Controller configuration, test if the Wall Controller is controlling the VRP or FreshAire PTAC unit. ® ® • Press the “Power” button to turn the Wall Controller ON; • Press the “Up” and “Down” buttons to change the temperature set point above and below the current room temperature to test if the Wall Controller initiates heating and cooling - the VRP or FreshAire...

  • Page 22: Accessing The Wall Controller Settings

    Custom Energy Savings Settings If you don’t want to use the one of the energy saving presets listed on page 15 and detailed in the Appendix 1, you can enter the custom energy savings settings. Accessing the Wall Controller Settings •...

  • Page 23: Using The Wall Controller Settings Screens

    Custom Energy Savings Settings Using the Wall Controller Settings Screens SETTING VALUE SCREEN NUMBER • Use the “Up” and “Down” buttons to change the setting; • Press the “F/C” button to advance to the next setting; • Press the “Fan” button to return to the previous setting; •...

  • Page 24: Fan Control Mode

    Custom Energy Savings Settings 01 - Fan Control Mode Select Fan Control Mode: 00 MANUAL – Occupant can select automatic or continuous fan mode; 01 * AUTOMATIC – Fan runs only when there is a demand for heating or air conditioning * Indicates default setting;...

  • Page 25: 1St Stage Differential - Heat

    Custom Energy Savings Settings 02 - 1st Stage Differential - Heat 02-30 (0.2°F - 3.0°F; 0.5°F* default setting) Select the number of degrees the Wall Controller has to sense between the automatic changeover temperature for heat and the room temperature before a call for the 1st stage heating is initiated.

  • Page 26: 2Nd Stage Differential - Heat

    Custom Energy Savings Settings 03 - 2 Stage Differential - Heat 10-20 (1.0°F - 2.0°F*; 2.0°F* default setting) Select the diff erence between 1st stage heating and 2nd stage heating initiation. 10-20 (1.0°F - 2.0°F*; 2.0°F* default setting) Select the diff erence between 1st stage heating and 2nd stage heating initiation.

  • Page 27: 1St Stage Differential - Cool

    Custom Energy Savings Settings 04 - 1st Stage Differential - Cool 02-30 (0.2°F - 3.0°F; 0.5°F* default setting) Select the number of degrees the Wall Controller has to sense between the automatic changeover temperature for cool and the room temperature before a call for the 1st stage cooling is initiated.

  • Page 28: Incidental Occupancy Threshold

    Custom Energy Savings Settings 05 - Incidental Occupancy Threshold 00-60 (05* default setting) Select the minimum period of time (in minutes) for which occupancy needs to be detected to enter the occupant occupancy mode. When occupancy is detected, Wall Controller will switch to occupied mode for a duration of “Incidental Occupancy Threshold”...

  • Page 29: Night Occupancy Threshold

    Custom Energy Savings Settings 06– Night Occupancy Threshold 00-60 (01* default setting) Select the minimum period of time (in minutes) for which occupancy needs to be detected in order to consider the room occupied during the “Night Occupancy”period. When occupancy is detected during the “Night Occupancy Period” for longer than the “Night Occupancy Threshold”...
  • Page 30 Custom Energy Savings Settings 07 – NA...

  • Page 31: Night Occupancy Start

    Custom Energy Savings Settings 08 – Night Occupancy Start 00-23 (21* default setting) Select the start time (in hours - 24-hour clock) for “Night Occupancy” If occupancy is detected for a period of time longer than the “Night Occupancy Threshold” during “Night Occupancy” period, the Wall Controller will disable the occupancy sensor and consider the room occupied until the end of the “Night Occupancy”...

  • Page 32: Night Occupancy End

    Custom Energy Savings Settings 09 – Night Occupancy End 00-23 (09* default setting) Select the time (in hours - 24-hour clock) for “Night Occupancy” to end. The time of day the “Night Occupancy” ends and the Wall Controller switches back to the room sensing settings chosen in the other occupancy modes.
  • Page 33 Custom Energy Savings Settings 10 – NA...
  • Page 34 Custom Energy Savings Settings 11 – NA...

  • Page 35: Temperature Setback Delay - Heat

    Custom Energy Savings Settings 12– Temperature Setback Delay - Heat 00-120 (20* default setting) Select the time delay (in minutes) for which the room that is in the occupant occupancy mode needs to be unoccupied before the temperature setback is initiated.

  • Page 36: Minimum Setback Temperature

    Custom Energy Savings Settings 13 – Minimum Setback Temperature 52-72 (64°F* default setting) Select the “Minimum Setback Temperature” in °F. Setback temperature is calculated by measuring VRP unit’s ability to attain “Recovery Temperature - Heat” within “Temperature Recovery Time”. If recovery is disabled (“Temperature Recovery Time” is set to “0”) or if setback temperatures have not yet been calculated, the “Minimum Setback Temperature”...

  • Page 37: Temperature Setback Delay- Cool

    Custom Energy Savings Settings 14 – Temperature Setback Delay- Cool 00-120 (20* default setting) Select the time delay (in minutes) for which the room that is in the occupant occupancy mode needs to be unoccupied before the temperature setback is initiated.

  • Page 38: Maximum Setback Temperature

    Custom Energy Savings Settings 15 – Maximum Setback Temperature 72-92 (78°F* default setting) Select the “Maximum Setback Temperature” in °F. This feature allows defi ning the maximum temperature in a room when room is unoccupied and the Wall Controller is in the setback mode.
  • Page 39 Custom Energy Savings Settings 16 – NA...

  • Page 40: Minimum Set Point

    Custom Energy Savings Settings 17 – Minimum Set Point 64-84 (66°F* default setting) Select the minimum set point in °F that a occupant can select.16 – RECOVERY TEMPERATURE - COOL...

  • Page 41: Maximum Set Point

    Custom Energy Savings Settings xmium Set Point 18 – Ma 60-82 (78°F* default setting) Select the maximum set point in °F that an occupant can select.

  • Page 42: Temperature Control Mode

    Custom Energy Savings Settings 19 – Temperature Control Mode Select Temperature Control Mode: 00 MANUAL – Allows users to select HEAT only or COOL only temperature control mode to maintain the room temperature; 01 * AUTOMATIC – Wall Controller automatically turns on heating or air conditioning to maintain the room temperature at the selected temperature set point;...

  • Page 43: Auto Changeover Set Point Offset (Dead Band)

    Custom Energy Savings Settings 20 – Auto Changeover Set Point Offset 00-04 (01°F* default setting) Select the diff erence between the occupant-selected set point and the heat and the cool set point when the Wall Controller is in the automatic temperature control mode.

  • Page 44: Setback Set Points / Auto-Restore

    Custom Energy Savings Settings 21 – Setback Set Points / Auto-restore 00 When room is unoccupied and the Wall Controller is in the setback mode or turned off , it will NOT maintain the temperature between heat and cool setback set points; When an occupant enters the room, the Wall Controller will be turned off - it will not automatically restore the most recent occupant settings;...

  • Page 45: Automatic Humidity Control

    Custom Energy Savings Settings 22 – Automatic Humidity Control † Disable automatic humidity control; Enable automatic humidity control; When “Automatic Humidity Control” is enabled, Wall Controller will turn on air conditioning in an unoccupied room when humidity raises above 60% and room temperature is above 72°F until either room humidity is below 55% or room temperature is below 72°F;...

  • Page 46: Temperature Calibration

    Custom Energy Savings Settings 23 – Temperature Calibration -5.0 – 5.0 (0.0°F* default setting) Calibrate the temperature display : -5.0°F - 5.0°F.

  • Page 47: Troubleshooting

    Troubleshooting Error Codes ERR 1 Wall Controller Temperature Sensor Hardware Defect ERR 2 Wall Controller Radio Hardware Defect ERR 3 Wall Controller Radio Software Defect ERR 5 Wall Controller Memory Defect ERR 8 Communication Error with VRP Unit ®...

  • Page 48: Appendix 1 - Energy Saving Presets

    APPENDIX 1 - Energy Saving Presets Level Level Level Level Level Level Fan Control Mode AUTO AUTO AUTO AUTO AUTO AUTO 1st Stage Differential Heat 2nd Stage Differential Heat 1st Stage Differential Cool Occupant Occupancy Threshold Night Occupancy Threshold Night Occupancy Start Night Occupancy End Setback Delay - Heat Minimum Setback Temperature...

  • Page 49: Appendix 2 - Glossary

    APPENDIX 2 - Glossary “Automatic Fan Control Mode” - fan runs only in order to enter the “Night Occupancy” mode; when there is a demand for heating or cooling; “Night Occupancy Period” - The period of “Manual Fan Control Mode” - occupant can time during the day during which the “Night select between automatic or continuous fan Occupancy”...
  • Page 51 THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT.

  • Page 52: Technical Specifications

    ±47° (94°) Wireless Frequency 900MHz Temperature Accuracy ±1°F FCC ID XEYWX 8410A-WX Friedrich Air Conditioning Co. 10001 Reunion Place, Suite 500 San Antonio, TX 78216 210-546-0500 / 1-800-541-6645 20201009 Rev 00 Technical Support 1-877 318-1823 (OEM) PRINTED IN CANADA www.friedrich.com...

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