Wattmaster VAVBOX Manual do Utilizador

VAVBOX ControllerTechnical Guidewww.wattmaster.com

Technical GuideVAVBOX Controller10Figure 8: Expansion Board Wiring For Modulating Hot Water Heat ApplicationsStart-up & CommissioningGeneralIn or

VAVBOX Controller Technical Guide11Figure 9: Address Switch SettingVAVBOX Controller Board1632NETTOKEN8421Address Switch Shown IsSet For Address 9Add

Technical GuideVAVBOX Controller12ModeSelectionENTERCLEARESCPREVNEXTDOWNUP654DEC7081329MINUS-STATUSSETPOINTSSCHEDULESCONFIGURATIONALARMSONOVERRIDESBA

VAVBOX Controller Technical Guide13InitializationOn system power-up, the SCAN LED is extinguished for a few secondsand then the controller “flashes” i

Technical GuideVAVBOX Controller14Sequence Of OperationsDuring unoccupied mode when the temperature in the space drops be-low the AHU Heat Call setpo

VAVBOX Controller Technical Guide15Damper PositionsThe actual values for the minimum damper positions that are describedin the following paragraphs c

Technical GuideVAVBOX Controller16Sequence Of OperationsSpace Heating ModeOccupied Space Heating mode is initiated by the temperature in thespace fal

VAVBOX Controller Technical Guide17If the HVAC unit is in the Unoccupied Supply Air Heating mode be-cause one or more of the VAVBOX controllers has a

Technical GuideVAVBOX Controller18is received the damper will then move to its Nite/Reheat minimum po-sition. If check for main fan status has not be

VAVBOX Controller Technical Guide19Example:1. 50% Remaining / 2% Integral = 25 Moves to get to a 100%Maximum2. 25 Moves times 10 seconds = 250 seconds

Table Of ContentsWattMaster Controls Inc.8500 NW River Park Drive · Parkville , MO 64152Toll Free Phone: 866-918-1100PH: (816) 505-1100 · FAX: (816)

Technical GuideVAVBOX Controller20There are 120 log positions available. Once the last (120th) positionhas been recorded, the log jumps back to the f

VAVBOX Controller Technical Guide21Using LED’s To Verify OperationThe VAVBOX controller is equipped with LEDs that can be used asvery powerful trouble

Technical GuideVAVBOX Controller22Other ChecksSpace Temperature SensorIf the Space Temperature Sensor is not reading a valid temperature, firstmake s

VAVBOX Controller Technical Guide23 Temperature – Resistance – Voltage For Type III 10 K Ohm Thermistor Sensors Temp (ºF) Resistance (Ohms) Voltage @

Form: WM-VAVBOX-TGD-01C Printed in the USA September 2006All rights reserved Copyright 2006WattMaster Controls Inc.·8500 NW River Park

VAVBOX Controller 3 Technical GuideFeaturesVAVBOX ControllerThis manual applies to the VAVBOX controller that is included in thefollowing WattMaster p

Technical GuideVAVBOX Controller4Figure 3: VAVBOX Controller Component LocationsTypicalPin 1IndicatorRAMChipSnap TrackFor ControllerMountingEPROMChip

VAVBOX Controller Technical Guide5GeneralThe following inputs and outputs are available on the VAVBOX con-troller and the OE322 Output Expansion Board

Technical GuideVAVBOX Controller610Locate In Supply OrDischarge DuctNear Zone DamperConnect To Next VAVBOXController Or WMVAVController On LocalCommu

VAVBOX Controller Technical Guide724VAC Power - Transformer & Wire Sizing Considerations For VAVBOX Controllers120 / 24VAC120 / 24VACDistance A to

Technical GuideVAVBOX Controller8Expansion Board Installation & WiringWiring ConsiderationsExpansion boards are used to supply extra relays and/o

VAVBOX Controller Technical Guide9Figure 7: Expansion Board Wiring For Electric Heat ApplicationsWattMaster Part #OE322Relay Expansion Boardw/ Modular