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Siemens BACnet Heat Pump Controller - Multi-Stage Owner’s Manual

Siemens Building Technologies, Inc.

Compressor Operation .............................................................................................. 9

Fan Operation ............................................................................................................ 9

Power Failure Recovery ............................................................................................ 10

Centralized Alarm Monitoring .................................................................................... 10

Overriding DOs .......................................................................................................... 10

Fail-safe Operation .................................................................................................... 10

Using Auxiliary Points ................................................................................................ 11

Application 2583: Multiple Compressor Heat Pump with Reversing Valve Control and
Mixed Air Control .......................................................................................................... 12

Compressor Staging .................................................................................................. 12

Reversing Valve Operation ........................................................................................ 12

Application Notes ....................................................................................................... 12

Application 2584: Multiple Heating and Cooling Heat Pump with Mixed Air and Internal
Reversing Valve Control............................................................................................... 14

Compressor/Electric Heat Staging ............................................................................ 14

Application Notes ....................................................................................................... 14

Application 2590: BACnet Heat Pump Slave Mode ................................................... 16

Using the Controller as a Point Extension Device ..................................................... 16

Point Database .............................................................................................................. 18

Overview ........................................................................................................................ 18

Troubleshooting ............................................................................................................ 28

Basic Service Information .......................................................................................... 28

Preventive Maintenance ............................................................................................ 28

Safety Features .......................................................................................................... 29

Controller LEDs.......................................................................................................... 29

Glossary ......................................................................................................................... 30

Overview .................................................................................................................... 30

Index ............................................................................................................................... 34

Содержание BACNET 125-699

Страница 1: ...Siemens Building Technologies Inc i Siemens BACnet Heat Pump Controller Multi Stage Owner s Manual 125 699 Rev BA July 2009 ...

Страница 2: ......

Страница 3: ... when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case users at their own expense will be required to take whatever measures may be required to correct the interference SERVICE STATEMENT Control devices are combined to make a system Each control device is mechanical in nature and all mechanical components must be r...

Страница 4: ......

Страница 5: ...Digital 2 Hardware Outputs 2 Analog 2 Digital 3 Power Wiring 3 Communication Wiring 3 Controller LED Indicators 4 Temperature Sensors 4 Room Temperature Sensor 4 Mixed Air Temperature Sensor 4 Actuators 4 Related Equipment 5 Applications 7 Basic Operation 7 Control Temperature Setpoints 7 Day Night Mode 7 Night Mode Override Switch 7 Control Loops 7 Mixed Air Control Loop 7 Calibration 8 Heating a...

Страница 6: ... and Mixed Air Control 12 Compressor Staging 12 Reversing Valve Operation 12 Application Notes 12 Application 2584 Multiple Heating and Cooling Heat Pump with Mixed Air and Internal Reversing Valve Control 14 Compressor Electric Heat Staging 14 Application Notes 14 Application 2590 BACnet Heat Pump Slave Mode 16 Using the Controller as a Point Extension Device 16 Point Database 18 Overview 18 Trou...

Страница 7: ...int database descriptors and includes addresses and applications Chapter 4 Troubleshooting describes basic corrective measures to take should you encounter a problem when using this controller For issues not covered in this chapter contact your local Siemens Building Technologies representative A Glossary describes the terms and acronyms used in this manual An Index is provided to assist you in fi...

Страница 8: ...tion Symbol Meaning CAUTION Indicates that equipment damage or loss of data may occur if the user does not follow a procedure as specified WARNING Indicates that personal injury or loss of life may occur to the user if a procedure is not performed as specified Getting Help For more information about the Siemens BACnet Heat Pump Controller Multi Stage contact your local Siemens Building Technologie...

Страница 9: ...field panel The controller provides all termination input output system and local communication connections Figure 1 The controller hardware consists of the controller with cover and mounting bracket Table 1 Siemens BACnet Heat Pump Controller Multi Stage Applications Application Number Application Description 2583 Multiple Compressor with Reversing Valve and Mixed Air Control 2584 Multiple Heatin...

Страница 10: ...G RAIL POWER TRUNK TERMINATIONS INPUT OUTPUT TERMINATIONS DO LEDS RECEIVE LED TRANSMIT LED AND BST LED FLN TRUNK TERMINATIONS ROOM TEMPERATURE SENSOR HMI PORT COVER 1 2 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 1 11 12 13 14 15 16 FLN TRUNK 1 2 3 4 0 Figure 1 Siemens BACnet Heat Pump ControlIer Multi Stage Hardware Inputs Analog Mixed air temperature sensor optional Room Temperature Sensor RTS Room t...

Страница 11: ...essor optional 2584 Power Wiring The controller is powered by 24 Vac Power wiring connects to terminals on the controller labeled C Common and H Hot An earth ground termination is also present See Figure 3 Communication Wiring The controller connects to the field panel by means of a Field Level Network FLN trunk See Figure 4 C H EGRND WHEN THIRD TER MINATION IS PRESENT 24 V COMMON 24 V HOT E GRND ...

Страница 12: ...re Sensors An electronic Room Temperature Sensor RTS or an optional auxiliary temperature sensor may be used with the Siemens BACnet Heat Pump Controller Multi Stage Room Temperature Sensor The controller room temperature sensor connects to the controller by means of a cable preterminated at both ends with a 6 conductor RJ 11 plug in connector See Figure 1 for the location of the RTS Human Machine...

Страница 13: ...echnologies Inc 5 Related Equipment Relay Module Damper Actuator s Mixed Air Temperature Sensor optional Room Temperature Sensor Contact your local Siemens Building Technologies Inc representative for product numbers and more information ...

Страница 14: ...Siemens BACnet Heat Pump Controller Multi Stage Owner s Manual 6 Siemens Building Technologies Inc ...

Страница 15: ...controller maintains the specified day setpoint temperature during daytime hours and the specified night setpoint at night Night Mode Override Switch If the RTS has an override switch it can be used to command the controller into day mode for an adjustable period of time This only affects a controller in night mode Control Loops Heating Loop maintains room temperature setpoint by turning compresso...

Страница 16: ...Siemens Building Technologies representative for more information Day Mode When heating is required and the fan is on the damper is set to minimum position If the fan is off the damper is closed When cooling is required the damper will be modulated by the mixed air temperature control loop Damper position will not be set below minimum position to make sure that the ventilation requirements are bei...

Страница 17: ...sor Operation When in cooling mode the output of the cooling loop controls the staging of the compressors and enabling disabling the mixed air control used as a source of cooling when the outside air temperature is cool enough When in heating mode the output of the heating loop controls the staging of the compressors or electric heat NOTE Application 2583 only When cooling or heating mode is oppos...

Страница 18: ...arm monitoring Overriding DOs Heat Pump applications allow spare DOs damper DO1 and DO2 and electric heat stages DO3 DO6 and DO7 when applicable to be commanded Physical points DO1 and DO2 can never be overridden when configured for motor control However the position of the attached motor is always commandable via the DMPR COMD point To prevent damage to the mechanical equipment the fan reversing ...

Страница 19: ... lt is possible to have extra points available on a Heat Pump Controller Multi Stage in addition to the ones used by the current application that is running in the controller If these extra points will be controlled by a field panel they must be unbundled at the field panel ...

Страница 20: ...e heat pump s compressors heating or cooling depending on the demand Application Notes 1 If the heat pump cycles excessively temperature swings in the room are excessive or there is trouble maintaining the setpoint the cooling loop the heating loop or both need to be tuned Contact your local Siemens Building Technologies representative for more information 2 The Heat Pump Controller Multi Stage as...

Страница 21: ... STAGE RTS TEC2573CDR1 FAN WALL SWITCH OPTIONAL ELECTRIC HEAT OPTIONAL COIL HEATING COOLING COIL WATER SOURCE COMPRESSOR 3 REVERSING VALVE SUPPLY AIR O A N C R A 1ST STAGE ELECTRIC HEAT OPTIONAL REVERSING VALVE COMPRESSOR 1 COMPRESSOR 2 OR 3RD STAGE ELECTRIC HEAT OPTIONAL COMPRESSOR 3 OR 2ND STAGE ELECTRIC HEAT OPTIONAL FAN SPARE AI 0 10V or 4 20mA OR SPARE DI DRY CONTACT SPARE AI 10K THERMISTOR O...

Страница 22: ...r there is trouble maintaining the setpoint the cooling loop the heating loop or both need to be tuned Contact your local Siemens Building Technologies representative for more information 2 The Heat Pump Controller Multi Stage as shipped from the factory keeps all associated equipment OFF The controller and its equipment are released to application control at start up 3 Running the mixed air loop ...

Страница 23: ...AMPER OPTIONAL FLN TRUNK AO1 0 10V DO1 DO2 DO3 DO4 DO5 DO6 DO7 DO8 DI3 AI3 DI4 AI4 DI5 AI5 DI2 DI6 AO2 0 10V AO3 0 10V RTS N O HEAT PUMP CONTROLLER MULTI STAGE RTS WALL SWITCH OPTIONAL ELECTRIC HEAT OPTIONAL 1ST HEATING COMPRESSOR 2ND HEATING COMPRESSOR 1ST COOLING COMPRESSOR 2ND COOLING COMPRESSOR FAN SPARE AI 0 10V or 4 20mA OR SPARE DI DRY CONTACT SPARE AI 10K THERMISTOR OR SPARE DI DRY CONTACT...

Страница 24: ...pose is to allow the operator to perform equipment checkout before a control application is put into effect and to set some basic controller parameters CTLR ADDRESS APPLlCATlON etc Using the Controller as a Point Extension Device lf the controller is used only as a point extension device with no control application in effect the application must be set to slave mode and the points must be unbundle...

Страница 25: ...Applications Siemens Building Technologies Inc 17 ...

Страница 26: ...can be either a heating mode or a cooling mode DAY CLG STPT 06 2583 2584 Temperature setpoint in degrees that the controller maintains during day periods in cooling mode if a room temperature sensor setpoint dial is not present or is not used See STPT DIAL Valid entry range 48 to 95 F 9 to 35 C DAY HTG STPT 07 2583 2584 Temperature setpoint in degrees that the controller maintains during day perio...

Страница 27: ... 10K Ω thermistor connected to the controller s AI 5 input When a thermistor is connected at Al 5 DI 5 is not available See DI 5 The physical input can not be used for both analog and digital input at the same time MA TEMP 15 2583 2584 Actual reading from a 10K Ω thermistor connected to the controller s Al 5 input When a thermistor is connected at Al 5 DI 5 is not available See DI 5 The physical i...

Страница 28: ...4 Point commanded by the field panel PPCL to enable or disable mixed air control free cooling DI 2 24 2583 2584 2590 Actual status of a contact connected to the controller at Dl 2 ON indicates that the contact is closed OFF indicates that the contact is open If a wall switch is used it is connected to DI 2 See WALL SWITCH DI 5 25 2583 2584 2590 Actual status of a contact connected to the controlle...

Страница 29: ...MP3 ON 34 2583 Value in percent that the active temperature control loop output must exceed for compressor 3 to turn ON Actual turn on is subject to the CMP3 MlN OFF time being expired CLG CMP2 OFF 35 2584 Value in percent that the cooling temperature control loop output must exceed for cooling compressor 2 to turn OFF Actual turn off is subject to the CLG2 MIN ON time being expired CMP3 OFF 35 25...

Страница 30: ... reversing valve COOL and HEAT status is indicated for the 24 Vac valve or relay The default configuration is energized for HEAT The configuration may be reversed in DO DIR REV DO 5 45 2590 Digital output 5 controls a 24 Vac load with an ON or OFF status lf Motor 3 is enabled DO 5 is coupled with DO 6 to control an actuator COMPRESSOR 1 45 2583 Digital output used to control the compressor ON or O...

Страница 31: ...y contact see DI 4 The physical input can not be used for both analog and digital input at the same time AOV 2 54 2583 2584 2590 Analog output 2 controls a 0 to 10V signal DI 3 55 2583 2584 2590 Actual status of a contact connected to the controller at Dl 3 ON indicates that the contact is closed OFF indicates that the contact is open When a contact is connected at Dl 3 Al 3 is not available See A...

Страница 32: ...FSET HTG P GAIN 67 2583 2584 Proportional gain value for the heating temperature control loop HTG I GAIN 68 2583 2584 Integral gain value for the heating temperature control loop HP DO OVRD 69 2583 2584 For the commanding of critical digital outputs CAUTION IMPROPER USE CAN CAUSE PERMANENT EQUIPMENT DAMAGE STPT OFFSET 70 2583 2584 For use with optional Relative Setpoint Adjustment feature MA P GAI...

Страница 33: ...temperature control loop output must go below for heating compressor 1 to turn OFF Actual turn off is subject to the HTG1 MlN ON time being expired RVAL SWITCH 84 2583 Value in percent that the active temperature control loop output must go above for the reversing valve to switch Actual switchover is subject to the status of HEAT COOL RVAL SW TIME and HTG LOOPOUT or CLG LOOPOUT SWITCH LIMIT 85 258...

Страница 34: ... that the heating loopout must exceed for the second stage of electric heat to turn ON EHEAT 3 ON 95 2583 Value in percent that the heating loopout must exceed for the third stage of electric heat to turn ON CAL TIMER 96 2583 2584 2590 Time interval in hours between the calibration sequence AOV 3 97 2583 2584 2590 Analog output 3 controls a 0 to 10V signal LOOP TIME 98 2583 2584 Time in seconds be...

Страница 35: ...Point Database Siemens Building Technologies Inc 27 ...

Страница 36: ...urn OFF the power to the 24 Vac transformer The recommended method of removing power to a controller on a power cable even to service a single controller is to turn OFF the power at the transformer NOTE When removing power to a controller to perform maintenance or service make sure that the person in charge of the facility is aware of this and that appropriate steps are taken to keep the building ...

Страница 37: ...ety features present in its fail safe mode Sensor failure Loss of power Upon controller power loss communication with the controller is also lost The controller will appear as failed F at the field panel Controller LEDs To determine if the controller is powered up and working verify that the Basic Sanity Test BST Light Emitting Diode LED is flashing ON OFF once per second The controller contains e...

Страница 38: ...r duct pressure sensors static or velocity and humidity sensors room duct or outdoor airflow Rate at which a volume of air moves through a duct Usually expressed in cubic feet per minute cfm algorithm Mathematical formula that uses varying inputs to calculate an output value AO Analog Output Physical point that generates a continuous variable signal BACnet A data communication protocol for Buildin...

Страница 39: ...nglish units The foot pound second system of units for weights and measurements equipment controller FLN device that provides additional point capacity to a field panel or provides individual room or mechanical equipment control field panel A device containing a microprocessor for centralized control of system components and equipment controllers FLN Field Level Network Network consisting of equip...

Страница 40: ...control system in which the temperature drives an airflow setpoint PID Proportional Integral Derivative pressure dependent Variable Air Volume VAV room temperature control system in which the temperature directly drives the damper RTS Room Temperature Sensor setpoint Virtual point that stores a point value such as a temperature setting Points that monitor inputs such as temperature report actual v...

Страница 41: ...t family of equipment controllers one is the BACnet Heat Pump Controller Electronic Output that house the applications software used to control terminal units such as heat pumps VAV terminal boxes fan coil units unit ventilators etc unbundle Term used to describe the entering of a point that resides in a controllers database into the field panel s database so that it can be monitored and controlle...

Страница 42: ...ctric reheat stage 1 9 stage 2 9 stage 3 9 heating and cooling switchover 9 night mode override switch 7 auxiliary points using 11 B Basic Sanity Test BST 29 basic service information 28 BST LED 4 29 C centralized alarm monitoring 10 centralized control 30 communication wiring 3 compressor operation 9 control drawing Application 2583 13 Application 2584 15 control loop 31 mixed air 7 controller ha...

Страница 43: ... 18 point extension device using controller as 16 power failure recovery 10 power wiring 3 pressure dependent 32 preventive maintenance 28 R related equipment 5 relay module 5 reversing valve operation 12 Room Temperature Sensor 4 18 RTS 32 RX LED 4 29 S safety features 29 service information basic 28 setpoint 32 dial 10 SI units 32 slave mode 16 32 stand alone 32 stand alone control 32 static dis...

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