BardメーカーDc3003の使用説明書/サービス説明書
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Manual 2100-484E Page 1 of 22 DC3002 and DC3003 SOLID ST A TE LEAD/LAG CONTROLLER with DC F AN CONTROL INST ALLA TION INSTRUCTIONS & REPLACEMENT P ARTS LIST Manual No.: 2100-484E Supersedes: 2100-484D File: V ol. III T ab 19 Date: 08-29-1 1 Bard Manufacturing Company , Inc.
Manual 2100-484E Page 2 of 22 CONTENTS Getting Other Information and Publications 3 DC3000 General Information Shipping Damage .................................................. 4 General ...............................................................
Manual 2100-484E Page 3 of 22 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
Manual 2100-484E Page 4 of 22 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 2100-484E Page 5 of 22 SPECIFICATIONS/FEATURES FOR BASIC CONTROLLER DC3000 Basic Controller •Input power: 18 to 32VAC, 60/50Hz, power is supplied from A/C #1 and/or A/C #2 •Isolation circui.
Manual 2100-484E Page 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 – 24V AC commo.
Manual 2100-484E Page 7 of 22 LOW VOLTAGE FIELD WIRING The DC3000 is powered from the air conditioners that it is controlling, 24VAC (18-32V) low voltage only. Circuitry in the DC3000 isolates the power supplies of all connected air conditioners so that no back feeds or phasing problems can occur.
Manual 2100-484E Page 8 of 22 SEQUENCE OF OPERATION – COOLING AIR CONDITIONERS – (NO ECONOMIZER) First stage cooling set point is the setting (SP) input into the controller. Factory default is 75F/24C. At Stage 1 cooling SP, the blower of the lead unit will come on (if not already operating because of continuous fan selection for lead unit).
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 setting below first stage cooling set point (the SP entered into the program). The dead band is adjustable from 2-20F (1-10C), and the factory default is 10F (5C).
Manual 2100-484E Page 10 of 22 DC FAN CONTROL The primary reason the DC30002 or DC3003 controller system would be used is for additionally controlling a DC Fan ventilation system installed in the shelter in addition to controlling either 2 or 3 HV AC units.
Manual 2100-484E Page 11 of 22 FIGURE 1 DC3002 CONNECTION DIAGRAM 2 UNITS WITH ECONOMIZERS.
Manual 2100-484E Page 12 of 22 FIGURE 2 DC3002 CONNECTION DIAGRAM 2 UNITS NO ECONOMIZERS.
Manual 2100-484E Page 13 of 22 FIGURE 3 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH ECONOMIZERS.
Manual 2100-484E Page 14 of 22 FIGURE 4 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH ECONOMIZERS (NO ECONOMIZER A/C #3).
Manual 2100-484E Page 15 of 22 FIGURE 5 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH NO ECONOMIZERS.
Manual 2100-484E Page 16 of 22 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 2100-484E Page 17 of 22 FIGURE 6 ALARM BOARD CONNECTIONS FOR NORMALLY CLOSED "NC" OPEN-ON-ALARM STRATEGY.
Manual 2100-484E Page 18 of 22 FIGURE 7 ALARM BOARD CONNECTIONS FOR NORMALLY OPEN "NO" CLOSE-ON-ALARM STRATEGY.
Manual 2100-484E Page 19 of 22 PROGRAMMING INSTRUCTIONS To swap lead and lag unit positions, press the ADVANCE button. To 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 2100-484E Page 20 of 22 7961-665C Cooling Heati ng 1st Stage 2nd Stage 3rd Stage 4th Stage 1st Stage 4th Stage 3rd Stage 2nd Stage Lead Unit Unit #1 Unit #2 Dehumid .
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.
Manual 2100-484E Page 22 of 22 Parts List . o N . g w D. o N t r a Pn o i t p i r c s e D2 0 0 3 C D3 0 0 3 C D 14 - 3 4 3 - 7 2 1x o B l o r t n o CX X 27 3 0 - 2 1 6 8d r a o B r e l l o r t n o CX .
デバイスBard Dc3003の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Bard Dc3003をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBard Dc3003の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Bard Dc3003の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Bard Dc3003で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Bard Dc3003を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBard Dc3003の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Bard Dc3003に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBard Dc3003デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。