Toshiba Super MMY-MAP0801HT8 - Check after Address Setup When Central Control System Is Connected

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8-4-4. Check after Address Setup When Central Control System is Connected
When the central control system is connected, check the following setup has finished after address setup.
NOTE) The above table does not describe all the electric cablings. For details, refer to each installation manual
for outdoor unit, indoor unit, remote controller, and optional devices.
Relay connector
Terminal
resistance
Line address
Main check items
1) Is relay connector of the header unit connected after address setup?
2) Is relay connector of the follower unit removed?
3) Is the end resistance (SW03-2) of the header unit with the least
address number (in the central control line) turned on?
(Setup is unnecessary for follower unit.)
4) Are the terminal resistance (SW30-2) of the header units in except
the line of which central control line address is the smallest turned
off? (Setup is unnecessary for follower unit.)
5) Are not addresses in the line address (SW13, SW14) duplicated in
each refrigerant line?
Check
U1
U3
U2
U4
U1
U3
U2 U5 U6
U4
U1
U3
U2
U1
A
U2
U5 U6
U4
Header unit (A)
U1
U3
U2 U5 U6
U4
Follower unit (B)
U1
U3
U2 U5 U6
U4
Follower unit (C)
Outdoor unit
Indoor unit
Central control units
Line address = 2
Other refrigerant line
Other refrigerant line
Earth
3-phase 380–415V
Leak interception
Main switch
1-phase 230V
Leak interception
Main switch
B
Remote
controller
U1
A
U2
B
Remote
controller
U1
A
U2
B
Remote
controller
U1
A
U2
B
5
3
2
5
Center unit (A)
Header unit (A)
Line address = 1
1
4