Kmc-controls BAC-8007 Installation Guide Uživatelský manuál Strana 1

SimplyVAVApplication and Installation GuideRevision E

DimensionsON CTS1 21.92 in.49 mm6.53 in.166 mm4.89 in.124 mm4.25 in.108 mm0.77 in.19 mm6.00 in.152 mm2.14 in.54 mmSection 1: About the controlle

Accessories andreplacement partsThe following accessories and replacement parts are available from KMCControls, Inc.SensorsSTE-8001W80 SimplyVAV senso

Available modelsThe following is a list of SimplyVAV available models.Description ModelsBACnet ASC: VAV Cooling/Heating only, 40 in-lbs,90second actu

SafetyconsiderationsKMC Controls assumes the responsibility for providing you a safe productand safety guidelines during its use. Safety means protect

Section 1: About the controllers SimplyVAV14 Revision E

S e c t i o n 2 : Installing th e c o n tr o lle r sThis section provides important instructions and guidelines for installingthe SimplyVAV controller

Setting the rotationlimitsSimplyVAV controllers are manufactured for a damper that rotates 90degrees from open to close. If the VAV damper is not a 90

Mounting on a VAVterminal boxMount the controller inside of a metal enclosure. To maintain RF emissionsspecifications, use either shielded connecting

Connecting anairflow sensorAn airflow sensor is incorporated as one of the inputs to the controller.Remove the plugs and connect the tubing from the p

Connecting roomtemperaturesensorsConnect any of the following sensors to the RJ-45 thermostat and sensor jack.The controller automatically detects the

©2014, KMC Controls, Inc.SimplyVAV and the SimplyVAV logo are trademarks of KMC Controls, Inc.All rights reserved. No part of this publication may be

Connecting a DATsensorThe Discharge Air Temperature sensor is required for automatic changeoverand for VAV terminal units with reheat.Illustration 2–5

Connecting powerThe controllers require a 24 volt, AC power source. Use the followingguidelines when choosing and wiring transformers to the controlle

MaintenanceSimplyVAV controllers require no routine maintenance. If necessary, cleanwith a damp cloth and mild soap.Section 2: Installing the controll

S e c t i o n 3 : Ch an g in g the r o o m s e tpo in tThis section covers topics for the end user in a facility.Changing the SimplyVAV user functions

Procedure Steps STE display2 Enter Password 1.1.Press any button. The display changes toPSW1.2.Press the or buttons to change the firstdigit.3.Press t

S e c t i o n 4 : Co n fig u r in g the c o n tr o lle r sThis topics in this section are advanced topics for control technicians andengineers.The con

Getting started withconfigurationFor access to the configuration functions you will need Password 2.If the controller has not been previously set up,

Entering systemtemperaturesetpoints and limitsThe system temperature setpoints set the operational parameters and limitsfor the VAV terminal unit.The

Procedure Detailed steps STE display3 Set the minimum coolingsetpoint.This setpoint limits the lowest temperature that auser can enter as the active s

Procedure Detailed steps STE display6 Set the occupied heatingsetpoint.This setpoint is used as the active setpoint whenthe space is occupied.1.Press

C o n t e n t sContents 3Section 1: About the controllers 5Specifications7Accessories and replacement parts11Available models12Safety considerations13

Procedure Detailed steps STE display10 Set the minimumtemperature differentialsetpoint.The minimum allowable temperature valuebetween the cooling and

Configuring the VAVBox optionsThe box options set the controller for the specific mechanical installation ofthe VAV terminal unit. The box options inc

Procedure Detailed steps STE display3 Set the primary VAVterminal unit K-factor.The K-factor is supplied by the manufacturer ofthe VAV terminal unit.

Procedure Detailed steps STE display6 Set the fan option.Not used in all models.1.Press the or buttons to choose one of thefollowing fan options.None—

Set the airflowsetpointsThe airflow setpoints set the airflow limits for the VAV terminal unit.Airflow heating and cooling minimum and maximum limitsA

Procedure Detailed steps STE display2 Select the flow setpointdisplay.1.From the CNFG display, press the orbuttons to show the CNFG display.2.Press th

Procedure Detailed steps STE display7 Set the heating maximumairflow limit.1.Press the or buttons to set the maximumlimit for heating airflow. The set

Advanced optionsThe advanced options set up passwords and special features in the controller.Establish or change Password 1 and Password 2Set timers f

Procedure Steps STE display3 Change Password 1.Note: Entering four zeros (0000) removes thepassword.1.Press the or buttons to change the firstdigit.2.

Procedure Steps STE display8 Set the automaticoccupancy mode.Requires a discharge airtemperature sensor.1.Press the or buttons to enable or disabledis

Standby59Space setpoints60Types of setpoints60Setpoint limits61PID control loops61Airflow setpoints sequence61Changeover62Discharge Air Temperature (D

Restore ApplicationChoose the RSTR function to reset the SimplyVAV controller to the originalconfiguration and settings. Use it also to change the uni

Procedure Detailed steps STE display2 Select the restore settingsdisplay.1.From the CNFG display, press the orbuttons to show the CNFG display.2.Press

Section 4: Configuring the controllers SimplyVAV42 Revision E

S e c t i o n 5 : B alan c ing air flo wTopics in this section are for control technicians or engineers who will bebalancing the airflow in the contro

Procedure Steps STE display1 Starting display1.Start at the temperature display.2.Press the and buttons together.l If Password 2 is not required, the

Procedure Steps STE display3 Measure and enter theactual maximum primaryairflowThe display begins flashing PMAX and alsodisplays the actual airflow at

Procedure Steps STE display5 Advance or exit1.Press the or buttons to select one of thefollowing:SEC to balance the secondary VAV for dualduct systems

Procedure Steps STE display7 Measure and enter theactual minimumsecondary airflowThe display begins flashing SMIN and alsodisplays the actual airflow

Section 5: Balancing airflow SimplyVAV48 Revision E

S e c t i o n 6 : A pplic atio n dr aw ing sThis section covers the drawings, materials, and instructions for specificVAV applications.Each SimplyVAV

S e c t i o n 1 : A bo u t th e c o n tr o lle r sThis section provides a description of the SimplyVAV series ofcontrollers. It also introduces safety

Cooling or heatingwithout reheatThe BAC-8001 is configured for single-duct cooling VAV control withoutreheat. Connect the controller as shown in the i

Staged reheatThis application is for BAC-8005 or BAC-8205 controllers. The controllers areconfigured to switch reheat units that are controlled with 2

Modulating reheatThis application is for a BAC-8005 or BAC-8205 controller. The modulatingoption for reheat can control either an electric reheat unit

Time proportionalreheatThis application is for a BAC-8005 or BAC-8205 controller. The timeproportional reheat option is typically used in hydronic sys

Floating reheatThis application is for a BAC-8005 or BAC-8205 controller. Use the floatingreheat option in hydronic systems that are controlled by an

Dual-ductapplicationThis application is for a BAC-8007 controller. The controller is configured fordual-duct operation. Dual-duct VAV requires a TSP-8

Section 6: Application drawings SimplyVAV56 Revision E

S e c t i o n 7 : Se qu e n c e s of o pe r atio nTopics in this section cover the sequences of operation for theSimplyVAV controllers. These are adva

Input sourcesThe SimplyVAV controllers require specific sensors to measure roomtemperature, airflow, and discharge air temperature. All sensors areaut

along with the K-factor of the VAV terminal unit are used to calculate theairflow through the VAV unit.OccupancysequenceA SimplyVAV controller is desi

BAC-8005 and BAC-8205Models BAC-8005 and BAC-8205 are supplied withinputs, outputs, and sequences of operation for the following functions.Single duct

defined as two movements detected within 5 minutes. The controller willchange back to Standby after a lack a lack of motion for the period specifiedby

Standby setpoint—The standby setpoint is used when the controller is in thestandby state. It is a value calculated from the occupied setpoint and the

If there is a call for reheat to maintain room temperature, the primary airflowis set to the value of Auxiliary Flow.Warm Air AvailableIn the heating

Illustration 7–1 DAT limiting operationHTG SPHTG SPAN50%100%0%ROOM TMPDAT loopROOM TMP+15°(Max 90°F)If DAT Limiting is enabled, and a DAT sensor is no

System diagnosticsThe controller programming includes four system diagnostic indicators in theform of BACnet value objects.Need for higher static pres

Damper operationDamper movement is determined by comparing the actual airflow reading tothe airflow setpoints. If the actual airflow is within 5% of t

Parallel FanIf the controller is configured for a parallel fan, any time the Occupancy modeof the controller is set to either Occupied or Standby and

reheat, the reheat output is modulated over the span of the Reheat loop. If theReheat loop is less than 10%, the reheat output remains at zero. The re

loop is at 50%, the reheat output is On for 5 seconds and Off for 5 seconds. Ifthe Reheat loop is less than 10%, the reheat output remains at zero.See

Balancing airflowsequenceBalancing airflow is the process of calibrating the internal airflow sensor to aknown standard. In the field, airflow is meas

SpecificationsSimplyVAV specifications are subject to change without notice.Inputs and outputsAll inputs and outputs are factory programmed and applic

Illustration 7–7 Dual duct sequence Max. cooling airflowAirflow increase Max heating airflowDual duct minimum airflowRoom temp increaseHTG SPAN CLG SP

S e c t i o n 8 : Sys te m in te g r atio n an d ne tw o r kingTopics in this section cover integrating the controllers into a buildingautomation netw

Connecting to anMS/TP networkSimplyVAV controllers are BACnet MS/TP compliant controllers. Connectthem only to a BACnet MS/TP network.To enter the BAC

Connect no more than 128 addressable BACnet devices to one MS/TPnetwork. The devices can be any mix of controllers or routers.To prevent network traff

Bulbs are openIf one or both bulbs are open—as tested with an ohmmeter—it indicates the voltage or current on the network exceeded safelevels. Correct

Setting up networkcommunicationsSet the network communication settings before placing a controller on thenetwork. Setting network settings requires en

Procedure Detailed steps STE display5 Enter the baud1.Press the or buttons to select a new baud.2.Press theSetPointbutton is save the selected baud.Th

BACnet objectsThe SimplyVAV controllers are BACnet Application Specific Controller (ASC)that are composed of standard BACnet objects. This section lis

Output Name Description UnitsAO4 FAN SPEED Fan Speed 0_100%BO1 DAMPER CW Damper ClockwiseBO2 DAMPER CCW Damper Counter ClockwiseBO5 FAN FanBO6 HT STAG

Object Name DescriptionAV14 MAX COOL FLOW Maximum Cooling FlowAV15 MIN HEAT FLOW Minimum Heating FlowAV16 MAX HEAT FLOW Maximum Heating FlowAV17 AUXIL

Connector Screw terminals for wire size 12-26 AWGOutput range Maximum switching 24 Volts AC1 ampere per external output, 3 amperes totalCommunications

Object Name DescriptionBV1 NEED AHU Need For AHUBV2 NEED COLDER SPLY Need For Colder Air SupplyBV3 NEED MORE STATIC Need For AHUBV4 LOCAL OVRD Local O

Loop Name DescriptionLOOP2 HT LOOP Heating LoopLOOP3 DAT Loop Discharge Air Temp LoopPID control loop objects (continued)SimplyVAV Section 8: System i

Section 8: System integration and networking SimplyVAV82 Revision E

A p p e n d i x A : K -fac to r sTo set up a VAV controller, a K-factor must be entered into the controller.Typically, this is part of the airflow cha

Appendix A: K-factors SimplyVAV84 Revision E

Inde xAaccessories 11actuatormounting 17rotation limits 16shaft size 7specifications 7speed 7airflowbalancing 43maximum limit 34minimum limit 34sensor

fansconfiguration 31parallel sequence 65series sequence 65setting speed 34speed sequence 65with floating reheat 54with modulating reheat 52with staged

room sensors 19sequence 58sequences of operation 57airflow setpoints 61balancing 69changeover 62damper 65DAT limiting 62dual duct 69fans 65input sourc

Index SimplyVAV88 Revision E

RegulatoryUL 916 Energy Management EquipmentBACnet Testing Laboratory listed as an application specific controller(ASC).CE compliantSASO PCP Registrat