Mitsubishi Electronics GB-24A

(4) Selecting [ON/OFF/Prohibit/Permit (Pulse signal)] makes it possible to use pulse signals to run multiple

units, stop multiple units, prohibit local operation and permit local operation. In this mode, it is possible to

freely operate the remote control except during the pulse signal input.

Contact ON

Contact OFF

Contact ON

Contact OFF Stop StopRun

0.5 - 1.0 Seconds

Run

Stop

Contact ON

Contact OFF

Contact ON

Contact OFF

Permit Permit

Prohibit

0.5 - 1.0 Seconds

Prohibit

Permit

Connection to G-50A (CN2)

DC12V

Run

Stop

Prohibit

Permit

：Pulse generator

Contents

Main Mitsubishi Electric Air-conditioner Control System Centralized Controller GB-24A Contents 1 Introduction 1-1 Terms Used in This Manual 1-2 Computer Requirements 2 Setting the Operating Environment 2-1 Setting the PC IP Address Page 2-2 Setting the Web Browser 2-2-1 No Internet Connection 2-2-2 Internet connection using a dial-up 2-2-3 Connecting to the Internet using a proxy server (Using an existing LAN) 3 Performing Operations 3-1 Entering the User Name and the Password, and Connecting to the GB-24A http:// [IP address of the GB-24A]/g-50/ administrator.html 4 Initial Settings 4-1 Setting the Current Date and Time 4-2 Setting Basic Information and External Input Functions 4-2-1 GB-24A Unit Setting 4-2-2 M-NET Setting 4-2-3 Network Setting Page 4-2-3-1 Settings for when the GB-24A is connected to a dedicated LAN 4-2-3-2 Settings for when the GB-24A is connected to an existing LAN 4-2-4 External Input Setting Page 4-2-5 Setting the Display Format 4-3 Group Setting 4-3-1 Setting the Group Name 4-3-2 Registering air conditioner units in the group 4-3-3 Registering general equipment in the group 4-4 Interlocked Setting 4-5 Block Setting 4-5-1 Registering a block name 4-5-2 Registering a group in a block 5 Functions 1 5-1 Error mail reports/E-mail communication 5-1-1 Entering the E-Mail Information for the GB-24A 5-1-2 Setting the Mail Server Information 5-1-3 Setting the Error Mail Destinations 5-1-4 Setting the Addresses of the Recipient 5-1-5 Mail format 5-2 Settings for measurement 5-2-1 Registering AI controllers for temperature/humidity sensors 5-2-2 Adjusting the measured temperature/humidity values 5-2-3 Registering PI controllers for measurement by meters 5-2-4 Setting the trend data format 5-2-5 Setting the destination to which an error mail is sent 5-2-6 Setting the destination to which temperature/humid trend data mail is sent 6 Functions 2 6-1 Limiting the Set Temperature Operating Range 6-2 Night Mode (Silent Mode) Schedule 7 User Setting 29 Table 7-1 Available Function List (4) Click [Save Settings] to send setting data to the GB-24A. 8 Registering a License for Optional Functions