Test Run; Batch Operation/Stop (Error Reset) Switches; Service Led Display - Mitsubishi Electric GB-50ADA-A Installation Instructions Manual

9 Test run

9-1. Batch operation/Stop (error reset) switches

• Before performing a test run, check that the group setting and interlock settings have been properly made.
• The batch operation function on the GB-50ADA switches cannot be used to change the operation mode of the connected indoor
units (including the test run mode). Units will be operated in the mode they are set to operate in. The GB-50ADA switches does
not have the function to automatically stop the test run in two hours as the remote controllers do.
<Setting procedures>
1 Turn on all units and the GB-50ADA.
2 Set the switches as follows. SW601: All set to OFF; SW606: "0"; SW607: "0"
3 Check that LD5 on the GB-50ADA is unlit (SW601: All set to OFF; SW606: "0"; SW607 "0").
LD5 will be lit if the group setting and interlock setting have not been completed.
LD5 will blink while M-NET is starting up (takes approx. 10 minutes to complete).
4 Turn SW603-1 from the OFF position to the ON position. The operation signal will be sent to the groups that are registered.
5 LD3 (SW601: All set to OFF; SW606: "0"; SW607 "0") will be lit when the units are in operation.
6 Check each unit for proper operation (e.g., supply air comes out of the indoor unit outlet.).
7 Turn SW603-2 from the OFF position to the ON position to bring the units to stop or to reset the errors.
8 Turn SW603-1 and SW603-2 to OFF at the completion of the test run.
SW603
1 Transmission of operation run signal to the registered groups (when turned ON from the OFF position)
2 Transmission of operation stop or error reset signals to the registered groups (when turned ON from the OFF position)

9-2. Service LED display

GB-50ADA has service LEDs to display the operation status.
LED No.
LAN LAN
M-NET M-NET
Error Error status
7- LD1 CPU status
segment
LED
LD2 (Not assigned)
LD3 Operation status
LD4 Error status
LD5 M-NET startup status
LD6 (Not assigned)
LD7 (Not assigned)
LD8 (Not assigned)
Item
LINK Lit Linking
ACT Unlit Not linked
Blink Transmitting
Lit Powered
Unlit Not powered
Blink M-NET transmission in progress
Blink At least one air conditioning unit is in error
Unlit Normal
Lit Normal
Unlit Error
Lit At least one air conditioning unit is in
operation.
Unlit All units are stopped.
Lit At least one air conditioning unit is in error
Unlit All units are normal.
Lit Group information not available
Unlit Complete
Blink Starting up
7-segment LED
LD1 LD2 LD3
Function setting
*1 The equipment connected to DIDO controller cannot be operated.
Status
LD4 LD5 LD6 LD7
- 23 -
Notes
SW601: All set to off
SW606: [0]
SW607: [0]
(Refer to
12 7-segment LED
information on how other settings
are displayed.)
LD8
*1
*1
*1
for