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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 20-40VMI002-01
Printed in U.S.A.
Form 40VMI-2SI
Pg 22
2-20
Replaces: 40VMI-1SI
© Carrier Corporation 2020
APPENDIX A — DIP SWITCH SETTINGS
There are 2 DIP switches on the main board. Figs. A and B show the settings for each parameter controlled by a switch. Switches are
shown in the default settings.
POSITION 1 — START-UP
POSITION 2
POSITION 3 — NOT USED
POSITION 4 — INDOOR UNIT IDENTIFICATION
Fig. A — SW1 SETTINGS
POSITION 1, 2 — NOT USED
Fig. B — SW8 SETTINGS
OFF
—
Auto Addressing Mode (Default)
ON
—
Factory Test Mode
OFF
—
Normal Mode (Default)
ON
—
Factory Self-Checking Mode
OFF
—
Standard Indoor Unit (Default)
ON
—
Mode Priority Indoor Unit (HP Only)
(IDU address must be 63)
ON
OFF
ON
OFF
1 2 3 4
a40-1923
ON
OFF
1 2 3 4
a40-1923
ON
OFF
1 2 3 4
a40-1923
ON
OFF
1 2
a40-1925