Address Setup Procedure; Interface P.c. Board On The Header Outdoor Unit; Header Outdoor Unit Setting - Toshiba MMY-MUP0801HT8JP Service Manual

7-4-3. Address Setup Procedure

Before setting the address, it is necessary to set the DIP-SW on the header outdoor unit interface P.C. board.
1. Follow the steps below to open the electrical control box cover
(1) Loosen the screws on the left and right side of the electrical control box cover.
(2) Remove the screw A for MMY-MUP220 and MUP240.
(There is no screw A for MMY-MUP080, MUP100, MUP120, MUP140, MUP14A, MUP160, MUP180 and
MUP200)
(3) Hold the lower side of the electrical control box cover to draw it toward you while lifting it up, and remove the
electrical control box cover.
2. Follow the steps below to set the DIP switch on the header outdoor unit interface P.C. board.

2-1. Header outdoor unit setting

Turn on DIP switch 1 of SW101 on the header outdoor unit interface P.C. boards*.
And, turn on DIP switch 2 of SW100. (Termination resistance of Uv line)
* Header outdoor unit setting is required also of an outdoor independent system.

Interface P.C. board on the header outdoor unit

Screw A
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