Toshiba MMU-AP0072H2UL-1 Service Manual

Also see for Carrier MMC-AP0181H2UL: Service manual Installation manual Service manual Engineering data book

Contents

67(Example of 2-lines cabling)(Real line: Wiring, Broken line: Refrigerant pipe)For the above example, perform setting by connecting singly thewired remote control without remote control inter-unit cable.Group addressIndividual : 0000Header unit : 0001Follower unit : 0002 In case of group controlOutdoor OutdoorIndoor Indoor Indoor Indoor IndoorHeader unitFollowerunitLine address → 1Indoor unit address → 1Group address → 1122132212222 Address setup (Manual setting from Wired remote control)In case that addresses of the indoor units will bedetermined prior to piping work after wiring work• Set an indoor unit per a remote control.• Turn on power supply.1 Push SET+ CL+ TESTbuttons simultaneouslyfor 4 seconds or more.2 (Line address)Using the temperature setup /buttons, set1212121212 to the CODE No.3 Using timer time / buttons,set the line address.4 Push SETbutton. (OK when display goes on.)5 (Indoor unit address)Using the temperature setup /buttons, set1313131313 to the CODE No.6 Using timer time / buttons,set 1 to the line address.7 Push SETbutton. (OK when display goes on.)8 (Group address)Using the temperature setup /buttons, set1414141414 to the CODE No.9 Using timer time / buttons,set00000000000000000000 to Individual,00010001000100010001 toHeader unit and00020002000200020002 to follower unit.10 Push SETbutton.(OK when display goes on.)11 Push TESTbutton.Setup completes.(The status returns to the usual stop status.)Note 1)When setting the line address from the remote control, do not use Address 29 and 30.As they are addresses which cannot be set to the outdoor unit, if they are set, the check code [E04] (Indoor/Outdoorcommunication circuit trouble) is issued.Note 2)When an address was manually set from the remote control and the central control over the refrigerant lines iscarried out, perform the following setting for the Header unit of each line.• Set the line address for every line using SW13 and 14 on the interface P.C. board of the Header unit in each line.• Except the least line address No., turn off SW30-2 on the interface P.C. board of the Header units in the linesconnected to the identical central control.(Draw the terminal resistances of indoor/outdoor and central control line wirings together.)• For each refrigerant line, connect the relay connector between Header unit [U1U2] and [U3U4] terminals.• After then set the central control address.(For setting of the central control address, refer to the Installation manual for the central control equipment.)1 2 3 4 5 613, 6, 9END 112, 5, 84, 7, 10SETTIMETIMER SETTESTFILTERRESETTEMP.CLFANSAVESWING/FIXVENTMODEON / OFFUNIT LOUVER7 8 9 10 11 END