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BM ADAPTER
MODEL
BACS-AP50
Installation Manual
Proper installation is important for your safety and proper functioning of the units. Thoroughly read the following safety
precautions prior to installation.
Safety notes are marked with
may result when the instructions are not followed exactly as stated.
Before installing the controller, please read this Installation Manual carefully to ensure proper operation. Retain this manual
for future reference.
1 表紙
BACS-AP50
WARNING or
CAUTION, depending on the severity of possible consequences that
<ORIGINAL>
WT10948X02
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Summary of Contents for Mitsubishi Electric BACS-AP50
- Page 1 <ORIGINAL> BM ADAPTER MODEL BACS-AP50 Installation Manual BACS-AP50 Proper installation is important for your safety and proper functioning of the units. Thoroughly read the following safety precautions prior to installation. Safety notes are marked with WARNING or CAUTION, depending on the severity of possible consequences that may result when the instructions are not followed exactly as stated.
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Page 2: Manual Download
2Manual Download Manual Download http://www.mitsubishielectric.com/ldg/ibim/ en Go to the above website to download manuals, select model name, then choose language. de Besuchen Sie die oben stehende Website, um Anleitungen herunterzuladen, wählen Sie den Modellnamen und dann die Sprache aus. Rendez-vous sur le site Web ci-dessus pour télécharger les manuels, sélectionnez le nom de modèle puis choisissez la langue. Ga naar de bovenstaande website om handleidingen te downloaden, de modelnaam te selecteren en vervolgens de taal te kiezen. -
Page 3: Table Of Contents
Contents Safety precautions........................4 1. Introduction ........................8 1-1. About this manual ............................. 8 1-2. Trademarks and registered trademarks....................8 1-3. About Internet connection ......................... 8 1-4. For use in the U.S............................. 8 2. Parts ........................... 9 2-1. Supplied parts ............................9 2-2. -
Page 4: Safety Precautions
Safety precautions Safety precautions Thoroughly read the following safety precautions prior to installation. Observe these precautions carefully to ensure safety. : indicates a hazardous situation which, if not avoided, could result WARNING in death or serious injury. : indicates a hazardous situation which, if not avoided, could result CAUTION in minor or moderate injury. - Page 5 Safety precautions If you notice any abnormality (e.g. a burning smell), stop the operation, turn off the product, and contact your dealer. Continuing the use of the product without correcting the abnormality may result in electric shock, malfunction, or fire. Properly install all required covers to keep dust and moisture out of the product.
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Page 6: Precautions For Installation
Safety precautions Precautions for installation WARNING Do not install the product where there is a risk of flammable gas leaks. If flammable gas accumulates around the product, it may ignite and cause fire or explosion. To reduce the risk of short circuits, current leakage, electric shock, malfunction, smoke, or fire, do not install the product in a place exposed to water or in a condensing environment. - Page 7 Safety precautions Use properly rated breakers (earth leakage breaker, local switch <switch + fuse that meets local electrical codes>, molded case circuit breaker, and overcurrent breaker). Use of improperly rated breakers or substitution of fuses with steel or copper wire may result in electric shock, malfunction, smoke, or fire.
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Page 8: Introduction
1. Introduction 1. Introduction The BACS-AP50 is a protocol converter that enables the centralized control/operation of CITY MULTI air conditioners by connecting this unit to the BACnet building management system. 1-1. About this manual This manual explains how to install the controller. For information on the initial settings, commissioning, and software update, refer to the supplied Instruction Book or the separately available Instruction Book (Detailed Operation) for BACS-AP50. -
Page 9: Parts
2-1. Supplied parts The package contains the following. Check for any missing parts before starting installation. Item Shape Quantity Remarks D-11 BACS-AP50 — The connector on the front of the controller Connector (RS-485) is not used. D-12 Installation frame Used to install the controller. -
Page 10: Commercial Parts
2. Parts 2-2. Commercial parts Use the following commercial parts as necessary. Unsupplied parts Item Quantity Remarks AC power wire (protective ground As required wire) M-NET transmission cable As required Wires and cables See page for the specifications. Sleeved ring terminal As required Watt-hour meter cable As required... - Page 11 Screw (M4) ISO metric screw thread ISO metric screw thread Wood screw (M4.1) Used to install the BACS-AP50 directly on a wall that can hold the weight of the BACS-AP50, such as a gypsum-board wall. Rated current: 3 A Fuse Overcurrent (A fuse must be used in combination with a switch with a rated current of 3 A.)
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Page 12: Parts Names
2. Parts 2-3. Parts names With the service cover Item Function and description POWER Lit in green: The controller is receiving power. Unlit: The controller is not receiving power. ON/OFF Lit in green: On Blinking in green: Error Unlit: Off STATUS Indicates the status of the controller. - Page 13 USB port (Type-C) (USB 3.1 Gen1) For updating the software Service cover To be removed when the AC power cable or M-NET transmission cable is connected to the controller. *2 For details, refer to the Instruction Book (Detailed Operation) for BACS-AP50. WT10948X02...
- Page 14 2. Parts Without the service cover Item Function and description (A) LAN1 LAN port for initial settings and updating the software. (B) LAN2 LAN port for BACnet connection. Connects to a building management system with a LAN cable via a switching HUB. Not available (E) CN21 Connector for M-NET power supply.
- Page 15 2. Parts Item Function and description (F) TB3 (M3.5) Terminal block for connecting the M-NET transmission cable. (G) TB1 (M3.5) Terminal block for connecting the AC power wires (L/L1, N/L2). (H) Ground (M4) Terminal for connecting the protective ground wire. CN10 Not available Serial number label...
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Page 16: Specifications
2. Parts 2-4. Specifications Item Specifications Power supply Rating 100-240 VAC ±10%, 50/60 Hz, single phase Power consumption 15 W LAN1, LAN2 100BASE-TX RS-485 For connecting a watt-hour meter (Modbus-RTU) Input Photocoupler input (4 inputs x 2) External input/ output Output Transistor output (2 outputs x 2) (sink type) Operating... -
Page 17: Parts Location (Overview Of Installation)
3. Parts location (Overview of installation) 3-1. Controller parts 3-1-1. Installation on the installation frame Item Description (A) BACS-AP50 (supplied part D-11) — (B) Installation frame (supplied part D-12) Used to install the controller. (C) Metal control box (commercial part S-7) —... -
Page 18: Installation On A Din Rail
*1 The screw holes for fastening the DIN rail attachments are indicated by arrows on the controller. *2 Screw pitch: 200 mm (7-7/8 in) max. Item Description (A) BACS-AP50 (supplied part D-11) — DIN rail attachment (supplied part D-14) Used to mount the controller on a DIN rail. -
Page 19: Selecting The Installation Site
4. Selecting the installation site 4. Selecting the installation site 4-1. Compliance with laws and regulations Select a site that will meet the applicable laws and local regulations. 4-2. Considerations for pollution and environment contamination Select a site in consideration of minimizing pollution and environmental impact. 4-3. -
Page 20: Mounting Dimensions
4. Selecting the installation site 4-4. Mounting dimensions 4-4-1. External dimensions [1] Controller Unit: mm (in) 185 (7-5/16) 60.3 (2-3/8) [2] Installation on a panel inside a metal control box Unit: mm (in) 60.3 (2-3/8) 185 (7-5/16) 21.2 (27/32) (A) Installation frame (supplied part D-12) (B) Controller mounting hole WT10948X02... - Page 21 4. Selecting the installation site [3] Installation on a DIN rail Unit: mm (in) 160 (6-5/16) 21.2 (27/32) (1-13/16) (A) DIN rail (commercial part S-8) (B) DIN rail attachment (supplied part D-14) (C) DIN rail auxiliary bracket (supplied part D-15) WT10948X02...
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Page 22: Installation Space
4. Selecting the installation site 4-4-2. Installation space Leave a minimum space around the controller as shown below. Unit: mm (in) (1-31/32) (1-19/32) (1-31/32) (1-31/32) (1-19/32) (1-31/32) (1-31/32) (1-31/32) 85 (3-3/8) 85 (3-3/8) (3-15/16) (3-15/16) Installation on a panel inside a metal control box Installation on a DIN rail 4-5. -
Page 23: Installation
5. Installation 5. Installation WARNING Installation work must be performed by the dealer or qualified personnel according to the instructions in the Installation Manual. Improper installation work or installation work performed by the user may cause trouble. Use the supplied or specified parts for installation. Use of improper parts may cause trouble. -
Page 24: Installation
The controller can be installed in one of the following methods. Method 1 Installation on a panel inside a metal control box (commercial part S-7) Use the installation frame (supplied part D-12). (A) BACS-AP50 (B) Metal control box (C) Installation frame *1 Wall... -
Page 25: Installation On A Panel Inside A Metal Control Box
Fasten the bottom of the controller to the installation frame, using two roundhead screws (M3 x 10) (supplied part D-13). Unit: mm (in) 100 (3-15/16) (9-1/2) (A) BACS-AP50 (B) Installation frame (C) Metal control box (inside) (D) Screw (M4) (E) Roundhead screw (M3 x 10) -
Page 26: Installation On A Din Rail
Fasten the DIN rail auxiliary bracket (supplied part D-15) to the controller, using roundhead screws (M3 × 12) (supplied part D-16). *1 The screw holes for fastening the DIN rail attachments are indicated by arrows on the controller. (A) BACS-AP50 (B) DIN rail attachment (C) DIN rail auxiliary bracket... - Page 27 5. Installation Note Do not install the controller where it may be subjected to vibrations. To prevent the DIN rail fixing screws and the DIN rail attachments from coming into contact, do not install the DIN rail fixing screws in the areas specified in the figure below. ...
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Page 28: Electrical Wiring
6. Electrical wiring 6. Electrical wiring WARNING To reduce the risk of malfunction, smoke, fire, or damage to the product, do not connect the power cable to the signal terminal block. To reduce the risk of injury or electric shock, turn off the main power before performing electrical work. -
Page 29: Cable Connection
6. Electrical wiring 6-1. Cable connection Cables can be routed from the side of the BACS-AP50. To connect cables, remove the service cover. 6-2. Removing/reinstalling the service cover [1] Removing the service cover (A) Mounting screw (B) Service cover (C) Hook (service cover) Step Remove the mounting screws. -
Page 30: Ac Power Cable And M-Net Transmission Cable
Connect the AC power wires (commercial part S-1), protective ground wire (commercial part S-1), and M-NET transmission wires (commercial part S-2) as shown in the figure below. Perform Class D grounding work after connecting the cables. BACS-AP50 100-240 VAC (A) M-NET transmission cable (commercial part S-2) -
Page 31: Connecting The Ac Power Wires And The Protective Ground Wire
6. Electrical wiring 6-3-1. Connecting the AC power wires and the protective ground wire Before connecting the AC power cable, prepare the cable end as shown below. Attach an M3.5 sleeved ring terminal (commercial part S-3) to the AC power wires (commercial part S-1), and an M4 sleeved ring terminal (commercial part S-3) to the protective ground wire (commercial part S-1). -
Page 32: Connecting The M-Net Transmission Wires
6. Electrical wiring 6-3-2. Connecting the M-NET transmission wires Before connecting the M-NET transmission cable, prepare the cable end as shown below. Attach an M3.5 sleeved ring terminal (commercial part S-3) to the M-NET transmission wires (A, B, shield) (commercial part S-2). (A) Sheath 35-45 mm (1-13/32 - 1-25/32 in) (B) Sleeve... -
Page 33: Securing The Cables
To hold the cables securely, flip the cable clamp upside down to fit the thickness of the cables. On the BACS-AP50, cables can be routed from the side or the bottom of the BACS-AP50 by changing the position of the cable clamps. -
Page 34: Connecting Network Cables
Connect a LAN cable (commercial part S-20) to the LAN1 or LAN2 port of the controller. When the LAN cable exceeds 100 m (328-1/16 ft), relay the LAN cables, using a switching HUB (commercial part S-21). ■BACS-AP50 (A) LAN1 port (B) LAN2 port... -
Page 35: Post-Installation Inspection
Check that the LAN cables are correctly connected to the LAN1 and LAN2 ports. 7-2. Initial settings For information on the initial settings, refer to the supplied Instruction Book or the separately available Instruction Book (Detailed Operation) for BACS-AP50. WT10948X02... -
Page 36: Commissioning
8. Commissioning 8. Commissioning Commissioning must be performed in the presence of the user. For information on the initial settings, commissioning, and software update, refer to the supplied Instruction Book or the separately available Instruction Book (Detailed Operation) for BACS-AP50. WT10948X02... -
Page 37: Instructions To The User
9. Instructions to the user 9. Instructions to the user Provide the user with instructions for correct usage of the controller, referring to the Instruction Book. The section titled "Safety precautions" provides important safety precautions. Instruct the user to follow the precautions and instructions contained therein. -
Page 38: Maintenance
10. Maintenance 10. Maintenance 10-1. Replacement parts and replacement cycles <Reference> Replacement cycle of main parts Main parts Standard replacement cycle Controller (body) 10 years The table above shows the replacement cycle of the main parts. Check the maintenance contract for details. ... - Page 40 Please be sure to put the contact address/telephone number on this manual before handing it to the customer. KF79C985G01 HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN MANUFACTURER: MITSUBISHI ELECTRIC CORPORATION Air-conditioning & Refrigeration Systems Works 5-66, Tebira 6 Chome, Wakayama-city, 640-8686, Japan WT10948X02...
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