WattMaster Water Source Heat Pump Spezifikationen

WHP - Water Source Heat PumpDesign, Installation &Operations Manual

Section 1 WattMaster WHP1-4 Design Guideaccommodate changes in location and sizes as thermal zones or zone occupancy change.This system is often insta

WattMaster WHP Section 44-18 Start-Up and TroubleshootingCommunications Loop WiringSYSTEM MANAGERCOMM LINK IIINTERFACE(MULTIPLE LOOP)TO OTHER MINILINK

WattMaster WHP Section 4Start-Up and Troubleshooting 4-194.5 Setting Address Switches4.5.1 Setting the MiniLink Address SwitchLOOPNETWORKLOOPADDRESS

WattMaster WHP Section 44-20 Start-Up and Troubleshooting4.5.2 Loop Controller AddressingThe Loop Controller address should always be set for address

WattMaster WHP Section 4Start-Up and Troubleshooting 4-215.0 Troubleshooting5.1 General TroubleshootingThe following is a guide to assist in troublesh

WattMaster WHP Section 44-22 Start-Up and Troubleshooting5.1.2 General Troubleshooting ChecklistBegin troubleshooting by locating the general problem

WattMaster WHP Section 4Start-Up and Troubleshooting 4-235.2 AlarmsWhen an alarm occurs in the WHP or Loop Controller, it is reported to the SystemMan

WattMaster WHP Section 44-24 Start-Up and Troubleshooting5.3 Checking Comm. Loop Voltages5.3.1 Checking the CommLink II Network LoopDiagramOverviewThi

WattMaster WHP Section 4Start-Up and Troubleshooting 4-255.3.2 Checking the Comm Loop at the CommLink IIDiagramThe indicated values are typical of a n

WattMaster WHP Section 44-26 Start-Up and Troubleshooting5.3.3 Checking the CommLink II DriverDiagramOverviewThis test checks for proper Network loop

WattMaster WHP Section 4Start-Up and Troubleshooting 4-275.3.4 Checking the MiniLink Network LoopDiagram Meter Set To Read DC VoltsThe indicate

WattMaster WHP Section 1Design Guide 1-5Pump Reset and Aux. Heating or Cooling. An internal seven day schedule and holidayschedule functions are also

WattMaster WHP Section 44-28 Start-Up and Troubleshooting5.3.5 Checking the MiniLink Network DriverDiagramMeter Set To Read DC VoltsThese tests assume

WattMaster WHP Section 4Start-Up and Troubleshooting 4-295.3.6 Checking the MiniLink Local LoopDiagramMeter Set To Read DC VoltsThe indicated readings

WattMaster WHP Section 44-30 Start-Up and Troubleshooting5.3.7 Checking the Local Loop at MiniLinkDiagramMeter Set To Read DC VoltsThe indicated value

WattMaster WHP Section 4Start-Up and Troubleshooting 4-315.3.7 (continued)ActionIf voltages are too high or too low on eitherside1. One or more of the

WattMaster WHP Section 44-32 Start-Up and Troubleshooting5.3.8 Checking the MiniLink Local Loop DriverDiagramMeter Set To Read DC VoltsThe indicated v

WattMaster WHP Section 4Start-Up and Troubleshooting 4-335.3.9 Checking the Local Loop at a WHP ControllerDiagramMeter Set To Read DC VoltsThe indicat

WattMaster WHP Section 44-34 Start-Up and Troubleshooting5.3.10 Checking WHP Controller Driver ChipDiagramMeter Set To Read DC VoltsThese tests assume

WattMaster WHP Section 4Start-Up and Troubleshooting 4-355.4 Troubleshooting Loop Controller5.4.1 Checking the Loop Controller Analog InputsDiagram Ov

WattMaster WHP Section 44-36 Start-Up and Troubleshooting5.4.1 (continued)AIN4Outdoor Air Temp1.9 volts (100°F) - 3.6 volts (40°F)Typical is 2.5 volts

WattMaster WHP Section 4Start-Up and Troubleshooting 4-375.4.2 Checking the Loop Controller OutputsDiagram Overview+-RSET METER TO READ DC VOLTSALL RE

Section 1 WattMaster WHP1-6 Design GuideWHP Sequence ofOperationHVAC Mode of OperationThere are four possible modes of operation. These are Cooling Mo

WattMaster WHP Section 44-38 Start-Up and Troubleshooting5.4.3 Checking the Local Loop at a WHP Loop ControllerDiagramMeter Set To Read DC VoltsThe in

WattMaster WHP Section 4Start-Up and Troubleshooting 4-395.4.4 Checking WHP Loop Controller Driver ChipDiagramMeter Set To Read DC VoltsThese tests as

WattMaster WHP Section 44-40 Start-Up and Troubleshooting5.4.5 Comm Driver Chip ReplacementLOOP CONTROLLER CPU BOARDCOMM DRIVER CHIP( U1 )PIN 1COMMLIN

WattMaster WHP Section 4Start-Up and Troubleshooting 4-415.5 Temperature Sensor ResistanceChartº82 8893 2.40784 8514 2.35286 8153 2.29788 7805 2.24290

WattMaster WHP Section 44-42 Start-Up and Troubleshooting5.6 Pressure Sensor Voltage Chart0 4.00 1.001 4.32 1.082 4.64 1.163 4.96 1.244 5.28 1.325 5.6

WattMaster WHP Section 4Start-Up and Troubleshooting 4-43Notes:

Form: WM-WHP-IO-02A Printed in the USA October 2004All rights reserved Copyright 2004Wattmaster Controls Inc. • 8500 NW River Park Drive • Parkville

WattMaster WHP Section 1Design Guide 1-7Occupied/Unoccupied Mode ofOperationSince the WHP contains its own built in Real Time Clock, it can operate fr

Section 1 WattMaster WHP1-8 Design GuideHVAC Operation w/ Reversing RelayIf the user has configured the WHP to control a Reversing Valve and a Compres

WattMaster WHP Section 1Design Guide 1-9HVAC Operation w/ Heat/Cool RelaysIf the user has configured the WHP to control Individual Heating and Cooling

Section 1 WattMaster WHP1-10 Design GuideWHP Loop ControllerSequence of OperationsSummaryThe Water Source Heat Pump Loop Controller waits for a Reques

WattMaster WHP Section 1Design Guide 1-11pump exceeds the first pumps run time by the same amount. This keeps both pumps withroughly the same number o

Section 1 WattMaster WHP1-12 Design GuideHeat Rejection ControlIf the compressor is not running, no heat rejection can be active. If any heat rejectio

WattMaster WHP Section 1Design Guide 1-13Staged Heat AdditionHeat Addition is staged up based on a different deadband level for each stage. Basically,

Section 1 WattMaster WHP1-14 Design GuideWater Temperature AlarmingThe controlling water temperature is monitored to prevent it from exceeding both a

WattMaster WHP Section 1Design Guide 1-15Modem(Optional)CommLink IIMultiple LoopInterfaceSystem Manager#30#30#30#29#1#1#1#1RS-48519200 BaudRS-4859600

Section 1 WattMaster WHP1-16 Design GuideNotes:

Section 2Installation and WiringTable of ContentsTips Before Beginning Installation... 1Communications Loops ...

Section 2Installation and WiringTable of FiguresFigure 2-1: System Overview...

WattMaster WHP Section 2Installation and Wiring 2-1Tips Before BeginningInstallationTake a few moments to review the following before beginning instal

Section 2 WattMaster WHP2-2 Installation and WiringModem(Optional)CommLink IIMultiple LoopInterfaceSystem Manager#30#30#30#29#1#1#1#1RS-48519200 BaudR

WattMaster WHP Section 2Installation and Wiring 2-3Communications LoopsThe Communications Loop is two wire shielded RS-485. The loop is best connected

Section 2 WattMaster WHP2-4 Installation and WiringCommunications Loop Wiring Overview Communication Loop Wiring, Daisy-Chain ConfigurationCOMPUTER(O

WattMaster WHP Section 2Installation and Wiring 2-5The daisy chain is the best method for running a communications loop since there is onlyone startin

WattMaster WHPInstallation & Operations ManualSection 1... Design

Section 2 WattMaster WHP2-6 Installation and WiringWHP Loop ControllerThe WHP Loop Controller may be installed in any convenient protected location. I

WattMaster WHP Section 2Installation and Wiring 2-7R (24 VAC By Others)WHP Loop Controller Expansion BoardWHP Loop Controller Expansion BoardCompresso

Section 2 WattMaster WHP2-8 Installation and WiringWarning: Polarity is very important when connecting power to the controllers!The grounded side of t

WattMaster WHP Section 2Installation and Wiring 2-9WHP Loop ControllerAddressingThe WHP Loop Controller must be set for address #30. See address setti

Section 2 WattMaster WHP2-10 Installation and WiringSupply & Return WaterTemperature SensorsSensors for monitoring supply and return water tempera

WattMaster WHP Section 2Installation and Wiring 2-11The strap-on type sensor has a brass housing that senses the water temperature throughcontact with

Section 2 WattMaster WHP2-12 Installation and WiringOutside Air TemperatureSensorThe outside air sensor must be located where it will not be affected

WattMaster WHP Section 2Installation and Wiring 2-13CommLink II InterfaceThe CommLink II Interface provides for communications between the MiniLinkco

Section 2 WattMaster WHP2-14 Installation and WiringWHP ControllerThe WHP Controller may be installed in any convenient protected location. Observe th

WattMaster WHP Section 2Installation and Wiring 2-15Rev. Valve-On/OffFan-On/Off24VACCompressor-On/OffHeat Pump ResetAux. Heating Or CoolingWater Sourc

Section 2 WattMaster WHP2-16 Installation and WiringThe WHP Controller requires the following electrical connections:18 Gauge minimum unless otherwise

WattMaster WHP Section 2Installation and Wiring 2-17WHP ControllerAddressingCAUTION:YOU MUST POWER DOWN THE CONTROLLERAFTER CHANGING THE ADDRESS SWITC

Section 2 WattMaster WHP2-18 Installation and WiringMiniLink AddressingNotes:RSHTRSHTRSHTRSHTAll Communication LoopWiring Is Straight Through16328421

WattMaster WHP Section 2Installation and Wiring 2-19Room SensorsThe room sensor uses a patented flush mount design to isolate the temperature sensinge

Section 2 WattMaster WHP2-20 Installation and WiringConnect the terminal labeled GND on the zone sensor to the terminal labeled GND on theWHP Controll

WattMaster WHP Section 2Installation and Wiring 2-21Supply Air TemperatureSensorThe supply air temperature sensor should be located in the duct, as cl

Section 2 WattMaster WHP2-22 Installation and WiringLeaving WaterTemperature SensorsThe leaving water temperature sensor (optional) when used should

Section 3ProgrammingTable of ContentsLCD/Keypad Operations... 1System Manager Layout...

WattMaster WHP Section 3Programming 3-1LCD/Keypad OperationsMain ScreenThe Water Source Heat Pump System Manager is the operator’s interface to the st

Section 1Design GuideTable of ContentsConventions ... 1General Information...

Section 3 WattMaster WHP3-2 Programming System Manager LayoutKeypad FunctionsThe System Manager keypad is labeled either numerically or as to actual f

WattMaster WHP Section 3Programming 3-3System Manager LED IndicatorsThere are two LED indicators located on the right hand side of the System Manager.

Section 3 WattMaster WHP3-4 ProgrammingHeat Pump StatusScreensView Status OnlyBy selecting the View Status Only menu item, you canaccess any heat pump

WattMaster WHP Section 3Programming 3-5If you selected menu item #1 View Status Only and you entered the Unit ID of aninstalled WHP Controller, the fo

Section 3 WattMaster WHP3-6 Programming Status Screen #3 Status Screen #4Status Screen #5Line 2 -Current Operating StatusUnoccupied ModeOccupied ModeP

WattMaster WHP Section 3Programming 3-7Status Screen #6Note: If no alarms exist, then the screen displays the message shown for No Alarms!If ANY al

Section 3 WattMaster WHP3-8 ProgrammingView AlarmsAlarm Address LocationsAlarm ClearingThe System Manager can be programmed to poll all theunits on yo

WattMaster WHP Section 3Programming 3-9Menu SetpointsFull Setpoint AccessSet Time & DateThe System Manager has its own built in Real Time Clock. I

Section 3 WattMaster WHP3-10 ProgrammingProgramming DateDaylight Savings AdjustmentsMonth - Enter the Month (1 to 12)Day - Enter the Day of the Month

WattMaster WHP Section 3Programming 3-11New PasscodesProgramming PasscodesThe System Manager has two levels of passcode.Level 1 users are limited to v

Section 3 WattMaster WHP3-12 ProgrammingRebuild Alarm MapRebuilding ScreensIf you would like the LED Alarm Indicator to function on thefront of your S

WattMaster WHP Section 3Programming 3-13Heat Pump SetpointsHeat Pump Setpoint Menu1) WHP SetpointsSetpoint Screen #1The Occupied Heating and Cooling S

Section 3 WattMaster WHP3-14 ProgrammingSetpoint Screen #2Setpoint Screen #3Setpoint Screen #4°°The Unoccupied Heating and Cooling Setbacks are progra

WattMaster WHP Section 3Programming 3-15Setpoint Screen #5Setpoint Screen #6Setpoint Screen #7The Min Run Time determines how long the compressormust

Section 3 WattMaster WHP3-16 ProgrammingSetpoint Screen #8Setpoint Screen #9Setpoint Screen #10If your heat pump uses a reversing valve to determine t

WattMaster WHP Section 3Programming 3-17Setpoint Screen #11Setpoint Screen #12Setpoint Screen #13If your system is configured to use the reversing val

Section 3 WattMaster WHP3-18 ProgrammingSetpoint Screen #14Setpoint Screen #15Setpoint Screen #16The Heat Pump Controller can use the internal time cl

WattMaster WHP Section 3Programming 3-19Setpoint Screen #17Setpoint Screen #18Setpoint Screen #19Note: You must do a Rebuild Alarm Map after all contr

Section 3 WattMaster WHP3-20 Programming2) WHP SchedulesThe Water Source Heat Pump controllers contain their own built in scheduling capabilityfor cal

WattMaster WHP Section 3Programming 3-21HolidaysHoliday Day SelectionThere are 14 Holiday periods available, organized as a Start Day / Stop Day event

WattMaster WHP Section 1Design Guide 1-1ConventionsThis document uses the following definitions throughout as a guide to the user indetermining the na

Section 3 WattMaster WHP3-22 Programming3) Reset PumpsIf one of your heat pumps has tripped off, it can be manuallyreset from the following screen. Yo

WattMaster WHP Section 3Programming 3-23Loop Controller StatusLoop Controller Status MenuFrom the main menu screen select MENU on the keypad. Then sel

Section 3 WattMaster WHP3-24 ProgrammingStatus Screen #2Status Screen #3Status Screen #4Line 2 -Current operating Mode:No Call To RunACTIVE CALL TO RU

WattMaster WHP Section 3Programming 3-25Status Screen #5Status Screen #6Note: If none of the above options have been configured, then the values in

Section 3 WattMaster WHP3-26 ProgrammingStatus Screen #7Note: If no alarms exist, then the screen displays the message shown for No Alarms! IfANY al

WattMaster WHP Section 3Programming 3-27Loop Controller SetpointsLoop Controller Setpoint MenuSetpoint Screen #1Setpoint Screen #2 If the controllin

Section 3 WattMaster WHP3-28 ProgrammingSetpoint Screen #3Setpoint Screen #4Setpoint Screen #5If the controlling water temperature drops below this Se

WattMaster WHP Section 3Programming 3-29Setpoint Screen #6Setpoint Screen #7Setpoint Screen #8If the controlling water temperature rises above the Wat

Section 3 WattMaster WHP3-30 ProgrammingSetpoint Screen #9Setpoint Screen #10Setpoint Screen #11The two pumps will switch after this programmed amount

WattMaster WHP Section 3Programming 3-31Setpoint Screen #12Setpoint Screens #13Note: Due to memory limitations in the Loop Controller, the maximum amo

Section 1 WattMaster WHP1-2 Design GuideGeneral InformationWater Source Heat Pump UnitsA water source heat pump is a self-contained water-cooled packa

Section 3 WattMaster WHP3-32 ProgrammingNotes:

Section 4Start-Up and TroubleshootingTable of Contents1.0 Communications Overview... 11.1 How It Works...

Section 4Start-Up and Troubleshooting5.0 Troubleshooting ... 215.1 General Troubleshooting...

WattMaster WHP Section 4Start-Up and Troubleshooting 4-11.0 CommunicationsOverviewPerhaps no other portion of the system seems as difficult to diagnos

WattMaster WHP Section 44-2 Start-Up and TroubleshootingModem(Optional)CommLink IIMultiple LoopInterfaceSystem Manager#30#30#30#29#1#1#1#1RS-48519200

WattMaster WHP Section 4Start-Up and Troubleshooting 4-3All communications wiring should be labeled to avoid confusion and to aid futureservicing.COMP

WattMaster WHP Section 44-4 Start-Up and Troubleshooting2.0 WHP ControllerOverview2.1 How It Works2.1.1 InitializationOn system powerup the COMM LED r

WattMaster WHP Section 4Start-Up and Troubleshooting 4-52.2 Becoming Familiar with the WHPControllerEWDOG0-5VDC0-1VDCDIAGNOSTIC BLINKCODE LEDADDRESS S

WattMaster WHP Section 44-6 Start-Up and Troubleshooting2.2.2 Analog InputsThis connector carries the analog and binary control input signals.AIN1 - S

WattMaster WHP Section 4Start-Up and Troubleshooting 4-7OUT3 - Compressor or Heat 2 - This output enables the compressor if you haveconfigured the WHP

WattMaster WHP Section 1Design Guide 1-3 Typical Water Source Heat PumpDuring the cooling mode, the tube-in-tube heat exchanger functions as a conde

WattMaster WHP Section 44-8 Start-Up and Troubleshooting2.2.6 WHP Controller WiringTypical WHP Controller Wiring DiagramCommunication LED

WattMaster WHP Section 4Start-Up and Troubleshooting 4-93.0 Loop ControllerOverview3.1 How It Works3.1.1 InitializationOn system powerup LED2 remains

WattMaster WHP Section 44-10 Start-Up and Troubleshooting3.2 Loop Controller Inputs & Outputs3.2.1 Analog InputsAIN1 - Return Water Temp - This in

WattMaster WHP Section 4Start-Up and Troubleshooting 4-113.2.3 Binary OutputR1 – Compressor Enable – Energizes the first stage of cooling.R2 – Main Pu

WattMaster WHP Section 44-12 Start-Up and Troubleshooting3.2.6 Comm Connector - CommunicationsRS-485 Communications Connector - This connector provide

WattMaster WHP Section 4Start-Up and Troubleshooting 4-13Figure 4-5: Loop Controller Inputs & OutputsLine VoltageLocal Loop RS-4859600 Baud(See No

WattMaster WHP Section 44-14 Start-Up and Troubleshooting4.0 Start-Up4.1 Blink Codes for WHP ControllersThe WHP Controller uses an on board LED to ind

WattMaster WHP Section 4Start-Up and Troubleshooting 4-154.2 Blink Codes for Loop ControllersThe Loop Controller uses an on board LED to indicate vari

WattMaster WHP Section 44-16 Start-Up and Troubleshooting4.4 Installation and CommissioningInformationFamiliarize yourself with the installation manua

WattMaster WHP Section 4Start-Up and Troubleshooting 4-1710. Install CommLink and power-up. At this point you are ready to begin commissioningthe syst