WattMaster VAV OE391-05 Technical Manual Download Page 1

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WattMaster VAV System

Operator Interfaces

Technical Guide

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Summary of Contents for VAV OE391-05

Page 1: ...WattMaster VAV System Operator Interfaces Technical Guide firealarmresources com ...

Page 2: ...ttmaster com Form WM SMST TGD 01C Copyright 2004 WattMaster Controls Inc WattMaster Controls Inc assumes no responsibility for errors or omissions This document is subject to change without notice WattMaster Controls Inc 8500 NW River Park Drive Parkville MO 64152 Toll Free Phone 866 918 1100 PH 816 505 1100 FAX 816 505 1101 E mail mail wattmaster com Visit our web site at www wattmaster com Form ...

Page 3: ...r is typically mounted in the building manager or superintendent s office or in an equipment room The attractive enclosure is quite suitable for mounting in any location or with most decors Introduction Modular Service Tool Mode Selection ENTER CLEAR ESC PREV NEXT DOWN UP 6 5 4 DEC 7 0 8 1 3 2 9 MINUS STATUS SETPOINTS SCHEDULES CONFIGURATION ALARMS ON OVERRIDES BALANCE TEST 10 00 4 75 2 02 1 63 Fi...

Page 4: ...Tool Female DIN Connector T Block Base erminal Remove Terminal Block PL101904 Adapter Board Optional Connection For Controllers Without DIN Connector Male DIN Connector Mode Selection ENTER CLEAR ESC PREV NEXT DOWN UP 6 5 4 DEC 7 0 8 1 3 2 9 MINUS STATUS SETPOINTS SCHEDULES CONFIGURATION ALARMS ON OVERRIDES BALANCE TEST Be Sure The Modular Service Tool Is Connected To The Supplied Power Pack Or Ha...

Page 5: ...T COMM IN COMM IN D6 C4 R13 MC34064A MC34064A U9 9936 D5 L1 U10 74HC540 74HC540 CX14 C6 P3 CX10 C5 74HC923 R10 D4 CX3 82B715 PJ1 D2 R6 R5 D1 U3 DSPY1 R7 RV1 WHITE T DRAIN WIRE SHLD BLACK R RED 24 VAC BROWN GND GREEN GND Class 2 Transformer Rated For 6 VA Minimum WMVAV Controller Board Connection Shown May Also Be Connected To Any VAVBOX Controller On Loop T SHLD R Figure 4 Schematic for Wiring Sys...

Page 6: ...nt with a negative value is required press this key for the minus sign Same function as System Manager DEC Press this key when entering data that requires a decimal point Same function as System Manager Steps the user to the next controller on the loop on interconnected or networked systems Same function as System Manager Steps the user backward or forward through the screens Same function as Syst...

Page 7: ...omplete instructions on performing a loop search Service Tool And System Manager Entering Unit ID Address With both the Modular Service Tool and the Modular System Manager You must enter the ID Address of the controller you wish to program Unit Selection Enter Unit ID Selected ID xxxx With the main menu screen displayed press the function key associated with the operation setpoints configuration e...

Page 8: ...splay should be MM The System Manager should never be set to Stand Alone mode unless you have been instructed to con figure this setting by WattMaster Technical Support If your display indicates a different mode than the one you need press the Enter key and the following screen will appear 1 Set Time Date 2 Communications Next Menu ESC Exit Menu Press the 2 key on the keypad to enter the communica...

Page 9: ...shed Loops Found XX Press ESC to Exit The screen will display the number of loops found on your system The information will be saved into the System Manager s memory No fur ther loop searches will be required unless an additional MiniLink Poll ing Device is added to the Network System System Manager Alarm Search The System Manager can be used to search for all active alarms on the system The MiniL...

Page 10: ...to viewing or changing the Time Date Operating Schedules and Heating and Cooling Setpoints Level 2 users have complete sys tem access Any status or setpoint field can be read or reset from the System Manager These two levels of passcodes are programmable by any Level 2 user The default Level 1 passcode is 1111 and the default Level 2 passcode is 2222 If you wish to change either Level 1 or Level 2...

Page 11: ...he Unit ID of any controller on the system and press Enter This is the unit ID of the loop where the alarm search will be done Unlike the System Manager only the alarms on this loop will be searched not the entire system Unit Selection Enter Unit ID Selected ID xxxx The following screen will appear The System Manager will search for any active alarms on the local loop Alarm Screen SEARCHING After ...

Page 12: ...onfig ID 59 Controlling Sensor SUPPLY AIR Press 0 to Change Press the 0 key to select the desired method of control and the third line of the display will change text to show which sensor has been se lected as the Controlling Temperature for the WMVAV controller Avail able selections are SUPPLY AIR Supply Air Sensor Occupied Cooling with Morning Warm up RETURN AIR Return Air Sensor Occupied Cool H...

Page 13: ...ef Fan VFD Signal is also found on the Analog Input Expansion module as the only analog output on that board Configuration Screen 9 WMVAV Config ID 59 Relief Pr Control Reverse Acting No 0 NO 1 Yes The Relief Pressure Control described in the previous paragraph can be configured for reverse acting operation by setting this selection to Yes With the standard configuration No a relief fan VFD and or...

Page 14: ...me in all controllers on the local loop Configuration Screen 15 WMVAV Config ID 59 Broadcast Outside Temperature NO 0 NO 1 YES This enables the WMVAV Controller to send its outdoor air tempera ture reading to all other controllers on the entire system It is specifi cally used when more than one HVAC unit is installed and only one outdoor air sensor is used to supply its signal to all controllers C...

Page 15: ... Stage 8 Stages Max Cool Stage On Off Control Of A Cooling Stage 8 Stages Max Rev Valve On Off Control Of A Reversing Valve Exhaust Fan On Off Control Of An Exhaust Fan or Exhaust Damper Re Heat On Off Control Of A Re heat Device Warm up Mode On Off Signal That Causes WattMaster Controlled VAV Boxes To Drive Open to Maximum Airflow Pre heater On Off Control Of A Pre heat Device Economizer On Off C...

Page 16: ...ng 50 F 55 F 70 F Heating 60 F 140 F 200 F Setpoints System Manager Instructions From any menu screen press the Setpoint key The unit selection screen will appear requesting that you enter the unit ID number Enter the cor rect unit ID number of the WMVAV controller you want to change setpoints for and hit the Enter key You will see the screen shown below 1 Change Setpoint 2 Configure Unit 3 Damper...

Page 17: ...enter a 0 for the Max Length value Description Minimum Default Maximum Target Temp 50 F 72 F 90 F Max Length 0 Min 60 Min 240 Min Setpoint Screen 7 WMVAV Spts ID 59 Outdoor Air Lockouts Cooling xx F Heating xx F If the OutdoorAir Temperature drops below the Cooling lockout set point by 1 F the DX cooling will be locked out until the Outdoor Air Temperature rises 1 F back above the lockout setpoint...

Page 18: ...ID 59 Heating Stages Off If Supply Fan VFD Is Below xx If the Supply Fan VFD drops below this value the heat will stage off The Supply Fan VFD will not be allowed to drop below this value while the unit is in Heating Mode unless the static pressure rises 0 5 above the static setpoint Description Minimum Default Maximum Below SP 0 30 100 Setpoint Screen 11 WMVAV Spts ID 59 Pre Heat Output ON Contin...

Page 19: ...oint Rst 65 F Space Temperature Heat Reset Example Space Temperature SPC 72 F SAT Setpoint Spt 90 F Space Temperature SPC 70 F SAT Setpoint Rst 120 F VFD Percentage Cool Reset Example VFD Percentage VFD 70 SAT Setpoint Spt 55 F VFD Percentage VFD 30 SAT Setpoint Rst 65 F VFD Percentage Heat Reset Example VFD Percentage VFD 30 SAT Setpoint Spt 90 F VFD Percentage VFD 70 SAT Setpoint Rst 120 F Input...

Page 20: ...imum Aux Heating Delay 0 Min 3 Min 30 Min Setpoint Screen 20 WMVAV Spts ID 59 AHU Scheduled By Schedule Number x 0 AHU 1 7 Scheduler Normally the HVAC unit will use its own internal time clock and week schedules to set the occupied mode of operation If you have several air handlers you can connect an external scheduling device to the commu nications loop and program the air handler for the desired...

Page 21: ...Spts ID 59 Cooling Stage Delays Min Run Time xx Min Min Off Time xx Min WMVAV Spts ID 59 Heating Stage Delays Staging Up xx Min Staging Down xx Min WMVAV Spts ID 59 Heating Stage Delays Min Run Time xx Min Min Off Time xx Min Both the Heating Stages and the DX Cooling Stages utilize Staging Up and Down delay periods between stages and Minimum Run Times and Off Times Both modes have their own set o...

Page 22: ...g Disabled Line 4 Line displays Economizer Enabled Economizer Disabled Status Screen 3 WMVAV v1 00 ID 59 Temperature x F Cooling Spt xx x F Heating Spt xx x F Line 2 Current Controlling Temperature Can be Supply Air Return Air or Space Temperature Line 3 Currently active Cooling Setpoint Based on the current Occupied Unoccupied mode of operation Line 4 Currently active Heating Setpoint Based on th...

Page 23: ...elief Fan VFD Signal This will display 0 if the unit is not configured for relief pressure control Line 4 Just a reminder that this is an optional control output and may or may not have live data to display Status Screen 9 15 WMVAV v1 00 ID 59 Fan Relay OFF CoolStage 1 OFF HeatStage 1 OFF Line 2 Current Supply Fan Relay status The letters FRC will appear before the colon if this relay is in a forc...

Page 24: ...tart Stop events available per day so the screen will show which event is being programmed If you need only one event leave Event 2 times to ZERO All times are in 24 hour military format so 5 00 PM would be entered as 1700 If both the Start and Stop Times are ZERO the schedule is in a continu ous OFF mode Use for Remote Signal Contact If both the Start and Stop Times are 2359 the schedule is in a ...

Page 25: ... has pri ority over the Remote Signal Setting Time Date Both the Modular Service Tool and Modular System Manager are equipped with a real time clock chip allowing it to maintain the cor rect time Once the correct time and date are entered the information is broadcast globally to all controllers on the entire system The Sys tem Manager will also broadcast this information once every day at midnight...

Page 26: ...ers 0 through 5 Following is a list of the force modes and their meaning 0 Auto This is the default setpoint With this setting the damper will operate normally and modulate according to the controller setpoints 1 Open This setting will force the dampers to their fully open position 2 Clsd This setting will force the damper to it s fully closed position 3 Max This setting will force the damper to i...

Page 27: ... 2 After press ing the Enter key the next relay will be displayed All 20 Relay Over ride screens including theAHU fan relay are available by pressing the Enter key after each setting is made Relay Overrides Relay 2 Override 0 0 Auto 1 ON 2 OFF After the screen for relay 20 is displayed the first Analog Output Over ride screen will be displayed Analog Output 1 Screen Economizer Overrides Analog Out...

Page 28: ... ACTING 0 Direct 1 Reverse Enter a 0 for DIRECT ACTING or a 1 for REVERSE ACTING If the damper opens in a clockwise direction it is DIRECT ACTING If the damper opens in a counterclockwise direction it is REVERSE ACTING CAUTION If you change this setting you MUST cycle power to the controller to allow it to re calibrate the damper feedback positions for its new direction of control Configuration Sc...

Page 29: ... Dump Zone is used when you want to control a duct heater or baseboard heater independently A VAVBOX Controller board with a relay expansion board is used for this purpose No damper or actuator is used If you need to control an auxiliary heater select 1 YES other wise be sure it is set to 0 NO Setpoints Setpoint Screen 1 HC Box Spts IDxxxx Occupied Setpoints Cooling xx F Heating xx F Enter the Occ...

Page 30: ...equire additional cool ing During Supply Air Heating Mode if the space being served by this damper is satisfied and has no heating demand the damper will close to this Heat Min setting This provides a minimum amount of airflow into the space for ventilation even if the space does not require additional heating Description Minimum Default Maximum Cool Min 0 or 0 CFM 10 or 100 CFM 100 or 30000 CFM H...

Page 31: ...xx Zone Alarm Delay Must Be Out Of Limits For xxx Min As mentioned above if the user configures the controller to generate zone temperature alarms this is the amount of time the temperature must be outside the alarm limits before an alarm is generated Description Minimum Default Maximum Out Of Limits 1 Min 30 Min 300 Min Setpoint Screen 11 HC Box Spts IDxxxx Day Night Schedule Control x 0 AHU 1 7 ...

Page 32: ... Occupied Mode Override Mode Override Pending Damper Calibration Remote Signal ON Group Override Line 3 OFF Mode Vent Mode Cooling Mode Heating Mode Warm up Mode Sensor Fail Mode Line 4 Belongs to Group xx No Group Affiliation Status Screen 2 HC Box v1 04 IDxxxx Zone Temp xx x F Cooling Spt xx x F Heating Spt xx x F Line 2 Current Zone Temperature Line 3 Currently active Cooling Setpoint based on ...

Page 33: ...box this line will display the Desired CFM the box would like to provide to the zone If not this line will display Controls to 3 to indicate how accurately the damper will maintain the desired position Status Screen 6 HC Box v1 04 IDxxxx Fan Status OFF 1 Reheat Stages On Line 2 If this is a Fan Powered box this line will display the Fan On Off Status On non fan powered boxes this line will display...

Page 34: ... ID you entered is for a WMVAV controller that has VAVBOX controllers connected to its communication loop the Damper Force Mode will act as a Global Damper Force Mode That is all VAVBOX controllers on that WMVAV controllers communication loop will be forced to the same Damper Force Mode setting If the unit ID you en tered is for a VAVBOX controller the Damper Force Mode setting will only apply to ...

Page 35: ...rect unit ID number of the controller you want to configure and hit the Enter key You will then see unit configuration screen 1 Configuration Screen 1 Polling Unit Config Last Polled Zone Address xx Enter Last Zone Enter the address of the last controller largest address number for the local loop the MiniLink PD is connected to Configuration Screen 2 Polling Unit Config Optimal Start Zone Target U...

Page 36: ...C Printed in the USA March 2004 All rights reserved Copyright 2004 WattMaster Controls Inc 8500 NW River Park Drive Parkville MO 64152 Phone 816 505 1100 E mail mail wattmaster com Fax 816 505 1101 firealarmresources com ...

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