Mitsubishi Electric Central Controller GB-50A Manuel d'installation Page 1

Mitsubishi Electric Air-conditioner Network System Central Controller Model: GB-50A Installation Manual Contents

9 Method2: Vertical installation using L-fittings After removing the screws on GB-50A, attach two L-fittings to GB-50A using the supplied screws (Fi

10 Fig.5-6 unit:mm(in) Installation and de-installation on DIN rail 1) Installation Put the upper side of attachment on DIN rai

11 1. Grounding cable Connect the protective earth cable (grounding cable) to the ground terminal as shown in the Fig.6-1. Attach the rin

12 4. LAN connection M-NET transmission A, B line (Non-polarity DC24V) M-NET M-NET transmission A, B line (Non-polarity DC24V)

13 Initial setting steps Step 1: IP address setting Step 2: License number registration *License must be r

14 1. How to set the IP address with dip switches IP addresses between 192.168.1.1 and15 can be set using the 4-pin dip switch on SW2. Set this switc

15 1. Collective operation ON/OFF * After setting the group or interlocked setting, confirm that the controller has started up, and then perform a

16 1. To control a K control model ● Set GB-50A address to “000” when a K transmission Converter is connected. Always set to the master system Cont

17 (2) Level signal and pulse signal (DC12V or DC24V) (3) External input specification CN2 Lead wire Emergency stop/normal level sign

18 2. External signal output function * External signal output requires the external I/O adapter (Model: PAC-YG10HA) sold separately. (1) External o

1 This manual describes the installation of the central controller and wiring to the air conditioner. Refer to the installation manual of the air co

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2 CAUTION Do not touch the PCB (Printed CircuitBoard) with your hand or a tool. Also donot get dirt on the PCB. It may cause

3 *Please confirm that in addition to this Installation Manual the following items are enclosed in the box. No. Part name Qty. 1 Central controlle

4 1. Specification Item Contents Interface M-NET :DC30V/24V;0.13/0.15A External I/O :DC12V or 24V (External power supply) Ethernet :

5 Address setting method Address Indoor unit Set the indoor unit you want to make them master unit in the same group to t

6 NOTE * This system controller is designed as a main controller, not as a sub controller. ● Main system controller (main SC) The main

7 1. Parts prepared at site Please prepare the following parts before installation of the unit. Preparation parts Specification Unit fixing screw

8 1) Maximum length of M-NET transmission 1 L2+L3+L4+ℓ1+ℓ2+ℓ3 (ℓ4) =500m/1640 ft 2 L2+L3+L4+ℓ1+ℓ5 =500m/1640 ft 3 L2+L3+L5+ℓ6+ℓ7 (ℓ8) =500m/1640 f