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INSTALLATION INSTRUCTIONS
& REpLACEMENT pARTS LIST
MV4000 SERIES SOLID STATE
DUAL UNIT LEAD/LAG CONTROLLER
for use with H-Series
Wall Mount Air Conditioners
Bard Manufacturing Company, Inc. Manual No.: 2100-571A
Bryan, Ohio 43506 Supersedes: 2100-571
File: Vol. III Tab 19
Since 1914...Moving ahead, just as planned.
Date: 07-25-12
Manual 2100-571A
Page 1 of 31
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CONTENTS Getting Other Information and publications 3 Econ. Failure & 2-Compressor Run Alarm ...........24 MV4000 General Information Alarm Wiring ...........................................................24 Shipping Damage....................................................4 2nd Stage Cooling Alarm .......................................25 General ...................................................................4 Refrigerant pressure Alarms .................................25 Theory of Op
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Getting Other Information and Publications These publications can help you install the air FOr m Ore InFOrmat IOn, c Ontact conditioner or heat pump. You can usually find these these Publ Ishers: at your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. 1712 New Hampshire Avenue, NW Washington, DC 20009 Telephone: (202) 483-9370 Standard for the Installation ............... A
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The MV4000 is equipped with the B alarm board. Form C dry contact alarm relays are used, offering ** ImPOrtant ** both NO and NC switching to meet the user’s specific alarm protocol, providing complete flexibility to meet The equipment covered in this manual is to be installed by any user's requirements. All alarm actuations are trained, experienced service and installation technicians. individually indicated on the controller front panel. Please read entire manual before proceeding. The
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sPec IFIcat IOns /Features FOr tem Perature sens Ors mv4000- b c Ontr Oller The standard (local) temperature sensor has 12" leads and MV4000 Basic Controller comes installed from the factory. •Input power: 18-32 VAC, 60/50Hz, power is supplied from A secondary sensor is located internally on the main A/C #1 and/or A/C #2 controller board and serves as a reference and back-up •Isolation circuitry: no line or low voltage phasing required sensor to the local sensor. Any differential of +/- 12F
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bas Ic mv 4000 c Ontr Ol ler l Ocate D In the mv 4000 Panel bOx InPut/ Out Put s Pec IFIcat IOns Unit #1 t erminal Block mv 4000 c Ontr Oller c Onnect IOns R – 24VAC hot from Unit Located on Main Controller Board C – 24VAC common from Unit Y – Compressor Signal to Unit Unit #1 C – 24VAC common A – Compressor Signal from Economizer R – 24VAC hot 4 – Dirty Filter Alarm from Unit G – fan (Form A, NO) st 5 – Dirty Filter Alarm from Unit Y1 – 1 -stage cool (Form A, NO) nd 6 – No Con
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sPec IFIcat IOns /Features FOr l OW v Olta Ge FIel D WIr InG mv 4000-b & -bc cO ntr Oller alarms The MV4000 is powered from the air conditioners that Inputs it is controlling, 24 VAC (18-32V) low voltage only. Lockout 1 2, 3 – input from HVAC #1 Circuitry in the MV4000 isolates the power supplies of Lockout 2 2, 3 – input from HVAC #2 the two air conditioners so that no back feeds or phasing problems can occur. Additionally, if one air conditioner Outputs loses power, the MV4000 and the oth
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FIre su PPress IOn c Ircu It bl OWer OPerat IOn To disable the MV4000 and shut down both air The controller can be configured to have main HVAC blowers cycle on and off on demand; have all blowers conditioners, terminals F1 and F2 may be used. The F1 and F2 terminals must be jumpered together for normal run continuously; or have the lead unit blower run continuously with the lag unit blower cycling on operation. A normally closed (nc) set of dry contacts may be connected across the term
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General Pr OGramm InG Overv IeW mv 4000 cO ntr Oller butt Ons an D Funct IOn On/Off Button 1. Press and release the On/Off button to turn On controller, 4-character display will illuminate and Lead unit LED will light. 2. Press and release the On/Off button to turn Off controller. Controller will go dark and A/C units will stop. Comfort Button 1. Press and release the Comfort button to change the Cooling Set Point to 72F and the Heating Set Point to 68F for a period of 1 hour. 2. Set Points
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hum IDIt Y c Ontr Ol OPt IOn c OOl InG OPerat InG se Quences FOr al ternat InG lea D/la G/lea D/la G Note: This function is not available if controller is c OnFIGurat IOn configured for heat pump. 1. 1-Stage Compressor Units No Economizer The standard air conditioning system can be adapted st to perform dehumidification control by addition of 1 stage cooling set point is the setting (SP) input a simple humidity controller that closes-on-rise, and into the controller. Factory default is 7
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3. 1-Stage Compressor Units with Newer LED will blink for 10-seconds before going solid, at ECONWMt Economizers (See Note A) which time the lag unit Y1 cooling output turns on. If the outdoor temperature and humidity conditions are st 1 stage cooling set point is the setting (SP) input into below the set point of the economizer control the lag the controller. Factory default is 77F (25C). On a call unit economizer will operate instead of the compressor. for cooling the blower of the
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nd 2. 1-Stage Compressor Units with Newer 2 cooling set point is 4F (default setting, user ECONWMt Economizers (See Note A) selectable 2-6F) warmer than Stage 1. On a call for nd st 2 stage cooling the lead unit Y2 cooling output turns 1 stage cooling set point is the setting (SP) input into on. If the outdoor temperature and humidity conditions the controller. Factory default is 77F (25C). On a call are below the set point of the economizer control the for cooling the blower of th
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For Vista or Windows 7: sPec IFIcat IOns FOr OPt IOnal rem Ote c OmmunIcat IOn bOar D 1. Open Control Panel, click Network & Internet. 2. Click Network & Sharing Center. CB4000 COMMUNICAt ION BOARD 3. Click Local Area Network link. Note: if this communication board was not originally 4. Click Properties. factory installed it can be field-installed at anytime. Bard 5. Highlight Internet Protocol Version 4 (TCP/ part number is CB4000. it allows remote access via IPV4) and select Pro
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USER PAGE 4. General Alarm Status: a. Fire/Smoke, Clear or Alarm 1. The designated Admin person can assign up to 9 b. Low Temp, Clear or Alarm additional users and set-up as Admin, Write or c. High Temp #1, Clear or Alarm Read authority. d. High Temp #2, Clear or Alarm 2. User Name and password must be assigned, each e. Controller Failure, Clear or Alarm must be at least 3 characters long, and are case sensitive. SEt POINt S PAGE (Note: “Read” level authority 3.
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c Ontr Oller WIr InG Generat Or run / ec OnOmIzer shut DOWn Feature The MV4000 can be used for controlling two (2) air conditioners with or without economizers. It can If desired, the MV4000 controller can be signaled also be configured for two (2) heat pumps without from a standby generator system to lockout (disable economizers. Units with economizers will connect operation of the) lag air conditioning system and close differently than units without economizers; therefore, it economizer
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table 1 hOOk -uP DIa Gram select IOn table — re Ference FIGure 1 sh OWn mv 4000-b mv 4000-bc newer mv 4000-b mv 4000-bc with system model newer ec OnWmt ec On Wmt e conomizer no c ommunication board – t ype series economizer — no with cb 4000 economizer no economizer c ommunication board c ommunication board A/C with 1-Stage H**A / H**L 1 3 5 7 Compressor A/C with 2-Stage HA*S / HL*S 2 4 N/A N/A Compressor FIGure 1 mv 4000-b c Ontr Oller c Onnect IOns 1-sta Ge (h**a /h**l ser Ies) a Ir
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FIGure 2 mv 4000-b c Ontr Oller c Onnect IOns 2-sta Ge (ha* s/hl *s ser Ies) a Ir c OnDIt IOners – n O ec OnOmIzers MV4000 UNIT 1 MV4000 AC UNIT 1 TERMINAL BLOCK R R C C Y Y F F A A 4 4 DIRTY FILTER ALARM (NC) 5 5 6 6 MV4000 MAIN BOARD 7 8 8 R 9 9 C W W Y1 Y1 UNIT 1 Y2 Y2 G G NOTE: DC BACK-UP POWER E IS POLARITY SENSITIVE AND + 2 48VDC MUST BE CONNECTED AS SHOWN _ OR CONTROLLER WILL NOT 3 OPTIONAL OPERATE ON DC POWER ONLY 48VDC 10 1 E 1 F 2 LOCKOUT ALARM 3 E F 1 2 REFRIGERANT PRESSURE LOCKOUT
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FIGure 3 mv 4000-bc c Ontr Oller c Onnect IOns 1-sta Ge (h**a/ h**l ser Ies) a Ir c OnDIt IOners – n O ec OnOmIzer WIth alarm bOar D & cb 4000 c OmmunIcat IOn bOar D MV4000 UNIT 1 MV4000 AC UNIT 1 TERMINAL BLOCK R R C C Y Y F F A A 4 4 DIRTY FILTER ALARM (NC) 5 5 6 6 MV4000 MAIN BOARD 7 8 8 R 9 9 C W W Y1 Y1 UNIT 1 Y2 Y2 G G NOTE: DC BACK-UP POWER E IS POLARITY SENSITIVE AND + 2 48VDC MUST BE CONNECTED AS SHOWN _ OR CONTROLLER WILL NOT 3 OPTIONAL OPERATE ON DC POWER ONLY 48VDC 10 1 E F 1 2 LOCK
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FIGure 4 mv 4000-bc c Ontr Oller c Onnect IOns 2-sta Ge (ha*s/ hl*s ser Ies) a Ir c OnDIt IOners – n O ec OnOmIzer s WIth alarm bOar D & cb 4000 c OmmunIcat IOn bOar D MV4000 UNIT 1 MV4000 AC UNIT 1 TERMINAL BLOCK R R C C Y Y F F A A 4 4 DIRTY FILTER ALARM (NC) 5 5 MV4000 6 6 MAIN BOARD 7 8 8 R 9 9 C W W Y1 Y1 UNIT 1 Y2 Y2 G G NOTE: DC BACK-UP POWER E IS POLARITY SENSITIVE AND + 48VDC 2 MUST BE CONNECTED AS SHOWN _ OR CONTROLLER WILL NOT 3 OPTIONAL OPERATE ON DC POWER ONLY 48VDC 10 1 E 1 F 2 L
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FIGure 5 mv 4000-b c Ontr Oller c Onnect IOns 1-sta Ge (h**a/ h**l ser Ies) a Ir c OnDIt IOners WIth (ec OnWmt) ec OnOmIzers AC UNIT 1 MV4000 UNIT 1 MV4000 TERMINAL BLOCK R RED R R C BLACK C C AUX2-I BLUE Y Y Y1-O YELLOW F F ECON YELLOW/WHITE A A Y1-I PURPLE 4 4 DIRTY FILTER ALARM (NC) Y2-I PINK 5 5 OCC YELLOW/RED 6 6 MV4000 MAIN BOARD AUX1-O BROWN/WHITE 7 Y2-O ORANGE 8 8 R ECON FAIL UNIT 1 9 9 ALARM (NC) C JADE ECON W W Y1 Y1 UNIT 1 Y2 Y2 G G NOTE: DC BACK-UP POWER E IS POLARITY SENSITIVE AND
