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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.
Bryan, Ohio 43506
Since 1914...Moving ahead, just as planned.
Manual No.:
2100-571A
Supersedes:
2100-571
File:
Vol. III Tab 19
Date:
07-25-12
Manual
2100-571A
Page
1 of 31
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Summary of Contents for Bard MV4000 SERIES
- Page 1 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.
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Page 2: Table Of Contents
CONTENTS Getting Other Information and publications 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 Operation ..........4 Emergency Ventilation Sequence ......25 Controller Certifications ...........4 programming Instructions ........28 Specifications/Features for MV4000 Series Controller... -
Page 3: Getting Other Information And Publications
ASHRAE American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc. 1791 Tullie Circle, N.E. Atlanta, GA 30329-2305 Telephone: (404) 636-8400 Fax: (404) 321-5478 BARD Bard Manufacturing Company, Inc. 1914 Randolph Drive Bryan, OH 43506 Telephone: (419) 636-1194 Fax: (419) 636-2640 Manual 2100-571A... -
Page 4: Shipping Damage
Programmable Features and Default Settings. This ISM device also complies with Canadian ICES – 001. theOrY OF OPeratIOn Bard Manufacturing Company, Inc. Bryan, OH 43506 The controller is used to control two wall mount air conditioners from one control system. It provides total redundancy for the structure and equal wear on both units. -
Page 5: Specifications/Features For Mv4000 Series Controller
•Space temperature sensors: 1 local is standard, will accept up temPerature sensOr lOGIc to 2 optional 25' remote sensors, Bard part number 8612-023. When multiple sensors are used, temperatures are averaged The standard local (LSEn) sensor monitors the •Controller Enclosure: 20-gauge pre-painted steel, 9.25"W... -
Page 6: Located On Main Controller Board
Polarity sensitive not RTD. Rem 1 Optional remote indoor sensor Gen Run/Econ Shutdown terminal Block(a) CU – copper, AG – silver Use Bard Gen Run Input Polarity sensitive sensors only. Rem 2 Optional remote indoor sensor Economizer Fail terminal Block CU –... -
Page 7: Specifications/Features For Alarm Boards Mv4000-B With Enhanced Version Alarm
sPecIFIcatIOns/Features FOr lOW vOltaGe FIelD WIrInG mv4000-b & -bc cOntrOller alarms The MV4000 is powered from the air conditioners that it is controlling, 24 VAC (18-32V) low voltage only. Inputs Lockout 1 2, 3 – input from HVAC #1 Circuitry in the MV4000 isolates the power supplies of Lockout 2 2, 3 –... -
Page 8: Fire Suppression Circuit
When any of the stages are satisfied, the stage LED iMpOrTANT NOTE: Older Bard r-22 models employ will blink for ten (10) seconds before the stage is an electronic blower control that has a 60-second actually turned off. -
Page 9: General Programming Overview
General PrOGrammInG OvervIeW mv4000 cOntrOller buttOns anD FunctIOn On/Off Button Press and release the On/Off button to turn On controller, 4-character display will illuminate and Lead unit LED will light. Press and release the On/Off button to turn Off controller. Controller will go dark and A/C units will stop. Comfort Button 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. -
Page 10: Humidity Control Option
H1 and H2 on the main On a call for cooling the blower of the lead unit controller board. Recommended Bard Part #8403-038 will come on immediately (if not already on – See Blower Operation), and the Stage 1 LED will blink (H600A 1014). -
Page 11: Cooling Operating Sequences For Non-Alt Lead/Lead/Lag/Lag Config
LED will blink for 10-seconds before going solid, at 3. 1-Stage Compressor Units with Newer ECONWMt Economizers (See Note A) which time the lag unit Y1 cooling output turns on. If the outdoor temperature and humidity conditions are stage cooling set point is the setting (SP) input into below the set point of the economizer control the lag the controller. -
Page 12: Heating Sequence Of Operation
2. 1-Stage Compressor Units with Newer cooling set point is 4F (default setting, user ECONWMt Economizers (See Note A) selectable 2-6F) warmer than Stage 1. On a call for stage cooling the lead unit Y2 cooling output turns stage cooling set point is the setting (SP) input into on. - Page 13 If economizers are used an additional 24V signal LOG IN PAGE wire is required from each air conditioner to the Type in “Admin” for the user name and “Bard” for controller system. the password. These are case sensitive. Hit “Log In”.
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Page 14: Cb4000 Communications Board
If economizers are used if on or off (Note: f. Lock/Unlock Controller older style EIFM economizers require a simple g. Advance Lead to Lag Unit relay kit for this feature to work, Bard Part h. Comfort Mode Number 8620-221) i. Restore System Defaults 2. -
Page 15: Controller Wiring
cOntrOller WIrInG GeneratOr run / ecOnOmIzer shutDOWn 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. -
Page 16: Figure 1 Controller Connections 1-Stage (H**A/L Series) A/C W/No Economizers
CU, AND SILVER MUST SILVER MV4000 UNIT 2 LEAD TO AG TERMINAL BLOCK COPPER OPTIONAL FIELD INSTALLED REM 1 25 FOOT TEMPERATURE SILVER SENSORS, BARD PART NUMBER 8612-023 COPPER REM 2 SILVER DIRTY FILTER ALARM (NC) OPTIONAL FIELD INSTALLED HUMIDITY HUMIDITY CONTROLLER "NO"... -
Page 17: Figure 2 Controller Connections 2-Stage (Ha*S/Hl*S Series) A/C - No Economizers
CU, AND SILVER MUST SILVER MV4000 UNIT 2 LEAD TO AG TERMINAL BLOCK COPPER OPTIONAL FIELD INSTALLED REM 1 SILVER 25 FOOT TEMPERATURE SENSORS, BARD PART NUMBER 8612-023 COPPER REM 2 SILVER DIRTY FILTER ALARM (NC) OPTIONAL FIELD INSTALLED HUMIDITY HUMIDITY CONTROLLER "NO"... -
Page 18: Figure 3 Controller Connections 1-Stage (H**A/L Series) A/C - No Econ. W/Alarm Board & Cb4000 Comm. Board
CU, AND SILVER MUST SILVER MV4000 UNIT 2 LEAD TO AG TERMINAL BLOCK COPPER OPTIONAL FIELD INSTALLED REM 1 SILVER 25 FOOT TEMPERATURE SENSORS, BARD PART NUMBER 8612-023 COPPER REM 2 SILVER DIRTY FILTER ALARM (NC) OPTIONAL FIELD INSTALLED HUMIDITY HUMIDITY CONTROLLER "NO"... -
Page 19: Figure 4 Controller Connections 2-Stage (Ha*S/Hl*S Series) A/C - No Econ. W/Alarm Board & Cb4000 Comm. Board
CU, AND SILVER MUST SILVER MV4000 UNIT 2 LEAD TO AG TERMINAL BLOCK COPPER OPTIONAL FIELD INSTALLED REM 1 SILVER 25 FOOT TEMPERATURE SENSORS, BARD PART NUMBER 8612-023 COPPER REM 2 SILVER DIRTY FILTER ALARM (NC) OPTIONAL FIELD INSTALLED HUMIDITY HUMIDITY CONTROLLER "NO"... -
Page 20: Figure 5 Controller Connections 1-Stage (H**A/L Series) A/C W/Econwmt Econ
TERMINAL BLOCK UNIT 2 COPPER JADE ECON OPTIONAL FIELD INSTALLED REM 1 ECON FAIL SILVER 25 FOOT TEMPERATURE ALARM (NC) Y2-O ORANGE SENSORS, BARD PART NUMBER 8612-023 YELLOW/RED COPPER REM 2 AUX1-O BROWN/WHITE SILVER Y2-I PINK DIRTY FILTER ALARM (NC) -
Page 21: Figure 6 Controller Connections 2-Stage
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Page 22: Figure 7 Controller Connections 1-Stage (H**A/L Series) A/C W/ Econwmt Econ. & W/Alarm Board & Cb4000 Comm. Board
TERMINAL BLOCK UNIT 2 COPPER JADE ECON OPTIONAL FIELD INSTALLED REM 1 ECON FAIL SILVER 25 FOOT TEMPERATURE ALARM (NC) Y2-O ORANGE SENSORS, BARD PART NUMBER 8612-023 YELLOW/RED COPPER REM 2 BROWN/WHITE AUX1-O SILVER Y2-I PINK DIRTY FILTER ALARM (NC) -
Page 23: Figure 8 Controller Connections 2-Stage
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Page 24: Econ. Failure & 2-Compressor Run Alarm
“reverse actuated”, which means they NOtE: the LED display board can be replaced if are continuously energized (the NO contact is closed) needed independently of the alarm board. Bard and switched to NC position upon alarm condition. part number is 8612-022. -
Page 25: 2Nd Stage Cooling Alarm
2nD staGe cOOlInG alarm emerGencY ventIlatIOn seQuence This alarm output is available for use if desired. It is For units with economizers, there are two (2) important to note that in some installations, due to A/C emergency ventilation sequences designed into the system sizing and internal heat load, that the secondary controller. -
Page 26: Figure 9 Alarm Board Connections For Normally
FIGure 9 alarm bOarD cOnnectIOns FOr nOrmallY clOseD "nc" OPen-On-alarm strateGY IMPORtANt! LED display board is shipped loose to protect it from possible damage during installation of the wiring to main controller board and/or the alarm board. it is polarity sensitive and is keyed so it can only be installed in correct position. -
Page 27: Figure 10 Alarm Board Connections For Normally Open
FIGure 10 alarm bOarD cOnnectIOns FOr nOrmallY OPen "nO" clOse-On-alarm strateGY IMPORtANt! LED display board is shipped loose to protect it from possible damage during installation of the wiring to main controller board and/or the alarm board. it is polarity sensitive and is keyed so it can only be installed in correct position. -
Page 28: Programming Instructions
PrOGrammInG InstructIOns To change the setting of any step, press the CHANGE button and the display will stop flashing, allowing To swap lead and lag unit positions, press the change to the setting by using the DOWN or UP ADVANCE button. arrows. -
Page 29: Mv4000 Label
s red, 11” 27F/15C LEAD 7961-758 8.5” Manual 2100-571A Page 29 of 31... -
Page 30: Figure 11 Parts List Description Diagram
FIGure 11 Parts lIst DescrIPtIOn DIaGram SEXP-638 A Manual 2100-571A Page 30 of 31... -
Page 31: Table Parts List
Parts List Dwg. Part no. Description mv4000-b mv4000-bc ab3000-b cb4000 127-423-4 Control Box 8612-038 Controller Board 8612-021 Alarm Board B 8612-022 Alarm Display 113-456-4 Support Bracket 152-515-4 Control Box Door 8611-099 LTF Fitting 5400-002 Hinge 8612-023 Sensor 7961-758 Label/keypad 8611-006 ground Lug 8612-035 Communication Board...
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