Bard DC3002 - Manuals - manualsarea.com

Page 2 - CONTENTS

Manual 2100-484E Page 2 of 22 CONTENTS Getting Other Information and Publications 3 DC3000 General Information Shipping Damage .................................................. 4General .................................................................. 4Theory of Operation ............................

Page 3 - Getting Other Information and Publications

Manual 2100-484E Page 3 of 22 Getting Other Information and Publications These publications can help you install the airconditioner or heat pump. You can usually find these atyour local library or purchase them directly from thepublisher. Be sure to consult current edition of eachstandard. Standard ...

Page 4 - DC3000 is used throughout this Manual as a; THEORY OF OPERATION; If this is done, see Note 1 on Alarm Board; CONTROLLER CERTIFICATIONS

Manual 2100-484EPage 4 of 22 SHIPPING DAMAGE Upon receipt of equipment, the carton should be checkedfor external signs of shipping damage. If damage isfound, the receiving party must contact the last carrierimmediately, preferably in writing, requesting inspectionby the carrier’s agent. GENERAL NOTE...

Page 5 - MOUNTING THE CONTROLLER; REMOTE

Manual 2100-484E Page 5 of 22 SPECIFICATIONS/FEATURES FORBASIC CONTROLLER DC3000 Basic Controller •Input power: 18 to 32VAC, 60/50Hz, power is suppliedfrom A/C #1 and/or A/C #2•Isolation circuitry: no line or low voltage phasingrequired•Backup power: connection for -24VDC or -48VDC(-20 to -56V) main...

Page 6 - Located on Main Controller Board; Located on Internal Alarm Board AB3002; CONTROLLER INPUT/OUTPUT SPECIFICATIONS; Sensors are

Manual 2100-484EPage 6 of 22 Note: All alarm relays are dry contacts rated 1A @24VAC, 120VAC or 150VDC. DC3002/3003 CONTROLLER CONNECTIONS Located on Main Controller Board Unit #1 C – 24VAC commonR – 24VAC hotG – fan (Form A, NO)Y1 – 1 st -stage cool (Form A, NO) Y2 – 2 nd -stage cool (Form A, NO) W...

Page 7 - Stage 1; Stage 3; Stage 4; For cooling Stages 1 and 2, the stage LED will

Manual 2100-484E Page 7 of 22 LOW VOLTAGE FIELD WIRING The DC3000 is powered from the air conditioners that itis controlling, 24VAC (18-32V) low voltage only. Circuitry in the DC3000 isolates the power supplies ofall connected air conditioners so that no back feeds orphasing problems can occur. Addi...

Page 8 - Stage 5 cooling is 1F warmer than Stage 4.; CAUTION; HUMIDITY CONTROL OPTION; This function is not available if controller is

Manual 2100-484EPage 8 of 22 SEQUENCE OF OPERATION – COOLING AIRCONDITIONERS – (NO ECONOMIZER) First stage cooling set point is the setting (SP) input into thecontroller. Factory default is 75F/24C. At Stage 1 coolingSP, the blower of the lead unit will come on (if not alreadyoperating because of co...

Page 9 - Stage 3 heat is the electric heater in; GENERATOR RUN FEATURE; IMPORTANT

Manual 2100-484E Page 9 of 22 SEQUENCE OF OPERATION – HEATING(AIR CONDITIONERS W/ELECTRIC HEAT) First stage heating set point is the dead band settingbelow first stage cooling set point (the SP entered intothe program). The dead band is adjustable from 2-20F(1-10C), and the factory default is 10F (5...

Page 10 - TABLE 1

Manual 2100-484EPage 10 of 22 DC FAN CONTROL The primary reason the DC30002 or DC3003 controllersystem would be used is for additionally controlling aDC Fan ventilation system installed in the shelter inaddition to controlling either 2 or 3 HVAC units. TheDC Fan package and intake system is independ...

Page 11 - FIGURE 1

Manual 2100-484E Page 11 of 22 FIGURE 1 DC3002 CONNECTION DIAGRAM 2 UNITS WITH ECONOMIZERS

Page 13 - FIGURE 3

Manual 2100-484E Page 13 of 22 FIGURE 3 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH ECONOMIZERS

Page 15 - FIGURE 5

Manual 2100-484E Page 15 of 22 FIGURE 5 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH NO ECONOMIZERS

Page 16 - ALARM LED DISPLAY BOARD; The LED display board is polarized and will

Manual 2100-484EPage 16 of 22 ALARM WIRING Alarm relays can be wired for NO (close on alarm) orNC (open on alarm) strategy. Alarm relays can be used individually if there areenough available building alarm points, or can bearranged into smaller groups or even a single group sothat all alarm capabili...

Page 17 - FIGURE 6

Manual 2100-484E Page 17 of 22 FIGURE 6 ALARM BOARD CONNECTIONS FOR NORMALLY CLOSED "NC" OPEN-ON-ALARM STRATEGY

Page 19 - PROGRAMMING INSTRUCTIONS; When using the UP and DOWN arrows, push

Manual 2100-484E Page 19 of 22 PROGRAMMING INSTRUCTIONS To swap lead and lag unit positions, press theADVANCE button. To enter the Program mode, press the PROGRAMbutton and release it when the message PROG appearson the display. When in Program mode, the DOWN andUP arrows are used to scroll through ...

Page 20 - Programming Display Menu; Programming Instructions; Comfort Mode

Manual 2100-484EPage 20 of 22 7961-665C Cooling Heating 1st Stage 2nd Stage 3rd Stage 4th Stage 1st Stage 4th Stage 3rd Stage 2nd Stage LeadUnit Unit #1 Unit #2 Dehumid.Operation Program Advance Comfort Digital Display Temperature at Remote 1 sensor location* Lead-lag-change-over time (1 to 30 days ...

Page 21 - FIGURE 8

Manual 2100-484E Page 21 of 22 FIGURE 8 PARTS LIST DESCRIPTION DIAGRAM 5 7 3 4 6 9 2 11 SEXP-445 B 8 1 10

Page 22 - Parts List; TABLE 2

Manual 2100-484EPage 22 of 22 Parts List . o N . g w D . o N t r a P n o i t p i r c s e D 2 0 0 3 C D 3 0 0 3 C D 1 4 - 3 4 3 - 7 2 1 x o B l o r t n o C X X 2 7 3 0 - 2 1 6 8 d r a o B r e ll o r t n o C X X 3 5 2 0 - 2 1 6 8 2 0 0 3 B A d r a o B m r a l A X 3 6 2 0 - 2 1 6 8 3 0 0 3 B A d r a o ...