Instruction/ maintenance manual of the product mD4000-b 3D Connexion
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Manual 2100-574 Page 1 of 23 MD4000 SERIES SOLID ST A TE DUAL UNIT LEAD/LAG CONTROLLER for use with H-Series W all Mount Air Conditioners with F & G Spyder™ Economizers only INST ALLA TION INSTRUCTIONS & REpLACEMENT p ARTS LIST Manual No.: 2100-574 Supersedes: NEW File: V ol.
Manual 2100-574 Page 2 of 23 CONTENTS Economizer Failure Alarm ..................................... 16 Dirty Filter Alarm .................................................... 16 2-Compressor Run Alarm ...................................... 16 Alarm Wiring .
Manual 2100-574 Page 3 of 23 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. Y ou can usually nd these at your local library or purchase them directly from the publisher . Be sure to consult current edition of each standard.
Manual 2100-574 Page 4 of 23 shIPPInG DamaGe Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately , preferably in writing, requesting inspection by the carrier ’ s agent.
Manual 2100-574 Page 5 of 23 sPecIFIca tIOns/Fea tures FOr mD4000-b cOntrOller MD4000 Basic Controller •Input power: 18-32 V AC, 60/50Hz, power is supplied from A/C #1 and/or A/C #2 •Isolation cir.
Manual 2100-574 Page 6 of 23 lOca teD In the mD4000 P anel bOx Unit #1 t erminal Block R – 24V AC hot from Unit C – 24V AC common from Unit Y – Compressor Signal to Unit F – Economizer Shutdow.
Manual 2100-574 Page 7 of 23 lOW vOl t aGe FIelD WIrInG The MD4000 is powered from the air conditioners that it is controlling, 24 V AC (18-32V) low voltage only . Circuitry in the MD4000 isolates the power supplies of the two air conditioners so that no back feeds or phasing problems can occur .
Manual 2100-574 Page 8 of 23 FIre suPPressIOn cIrcuIt T o disable the MD4000 and shut down both air conditioners, terminals F1 and F2 may be used. The F1 and F2 terminals must be jumpered together for normal operation.
Manual 2100-574 Page 9 of 23 General PrOGrammInG Over vIeW mD4000 cOntrOller buttOns anD FunctIOn 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 .
Manual 2100-574 Page 10 of 23 MD4000 decides Lead unit Spyder 1 is lead Signals Spyder2 as lag. Spyder 2 is lead Signals Spyder1 as Lag DC Amp load is read and converted to building load with the equation DCA * 106.4-.2455 = BTUH Calculate Available Cooling (AC) for 1 econ Available cooling =( SP- MTD-OAT)*1.
Manual 2100-574 Page 1 1 of 23 sPecIFIca tIOns FOr OPtIOnal remOte cOmmunIca tIOn bOarD CB4000 COMMUNICA tION BOARD Note: If this communication boar d was not originally factory installed it can be eld-installed at anytime. Bar d part number is CB4000.
Manual 2100-574 Page 12 of 23 USER P AGE 1. The designated Admin person can assign up to 9 additional users and set-up as Admin, W rite or Read authority . 2. User Name and password must be assigned, each must be at least 3 characters long, and are case sensitive.
Manual 2100-574 Page 13 of 23 cOntrOller WIrInG The MD4000 can be used for controlling two (2) air conditioners with economizers. securItY (lOckInG) Fea ture The MD4000 controller can be locked such that unauthorized persons cannot make any changes to temperature set points or any other selectable parameters of the controller system.
Manual 2100-574 Page 14 of 23 FIGure 1 mD4000-b cOntrOller cOnnectIOns 1-st aGe (h**a/h**l serIes) aIr cOnDItIOners WIth (ecOnWmt) ecOnOmIzers system t ype model series mD4000-b newer ecOnWmt economiz.
Manual 2100-574 Page 15 of 23 FIGure 2 mD4000-bc cOntrOller cOnnectIOns 1-st aGe (h**a/h**l serIes) aIr cOnDItIOners WIth (ecOnWmt) ecOnOmIzers anD WIth alarm bOarD & cb4000 cOmmunIca tIOn bOarD 2 E F 2 3 E F 3 C 3 2 1 3 -3 2 -3 1 -3 NC NO CU , AND SIL VER M US T NO TE : A LL SENS OR S ARE POL AR I TY SENS ITI VE .
Manual 2100-574 Page 16 of 23 alarm WIrInG Alarm relays can be wired for NO (close on alarm) or NC (open on alarm) strategy . Alarm relays can be used individually if there are enough available building alarm points, or can be arranged into smaller groups or even a single group so that all alarm capabilities can be utilized.
Manual 2100-574 Page 17 of 23 2nD st aGe cOOlInG alarm This alarm output is available for use if desired. It is important to note that in some installations, due to A/C system sizing and internal heat load, that the secondary (lag) air conditioning unit may be called upon to assist the lead air conditioner some of the time.
Manual 2100-574 Page 18 of 23 FIGure 3 alarm bOarD cOnnectIOns FOr nOrmall Y clOseD "nc" OPen-On-alarm stra teGY IMPOR t ANt! LED display board is shipped loose to pr otect it from possible damage during installation of the wiring to main contr oller boar d and/or the alarm board.
Manual 2100-574 Page 19 of 23 FIGure 4 alarm bOarD cOnnectIOns FOr nOrmall Y OPen "nO" clOse-On-alarm stra teGY IMPOR t ANt! LED display board is shipped loose to pr otect it from possible damage during installation of the wiring to main contr oller boar d and/or the alarm board.
Manual 2100-574 Page 20 of 23 PrOGrammInG InstructIOns T o swap lead and lag unit positions, press the ADV ANCE button. T o enter the Program mode, press the PROGRAM button and release it when the message PROG appears on the display . When in Program mode, the DOWN and UP arrows are used to scroll through the programming steps.
Manual 2100-574 Page 21 of 23 Material: 10 mil HP92WP lexan Adhesive: 7952MP Premask: 4075 Colors: black, spot white, trans red, spot frosted clear trans red window adhesive die emboss die cut 11” 8.
Manual 2100-574 Page 22 of 23 FIGure 5 P arts lIst DescrIPtIOn DIaGram 20 10 8 6 18 SEXP-648 1 5 9 2 13 7 12 19 4 15 3 17 14 11.
Manual 2100-574 Page 23 of 23 Parts List Dwg. no. Part no. Description mD4000-b mD4000-bc ab3000-b cb4000 1 127-423-4 Control Box X X 2 8612-038 Controller Board X X 3 8612-021 Alarm Board B X X X 4 8.
An important point after buying a device 3D Connexion mD4000-b (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3D Connexion mD4000-b yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data 3D Connexion mD4000-b - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3D Connexion mD4000-b you will learn all the available features of the product, as well as information on its operation. The information that you get 3D Connexion mD4000-b will certainly help you make a decision on the purchase.
If you already are a holder of 3D Connexion mD4000-b, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime 3D Connexion mD4000-b.
However, one of the most important roles played by the user manual is to help in solving problems with 3D Connexion mD4000-b. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3D Connexion mD4000-b along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
