Carrier 40VMM007A 3 Series - Appendix A - DIP Switch Settings

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 20-40VMM001-02 Printed in U.S.A. Form 40VMM-5SI Pg 26 08-20 Replaces: 40VMM-4SI
© Carrier Corporation 2020
APPENDIX A — DIP SWITCH SETTINGS
There are two DIP switches on the main board. Figures A and B show the settings for each parameter controlled by a switch. Switches
are shown in the default settings.
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POSITION 1 — START-UP
OFF — Auto Addressing Mode (Default)
ON — Factory Test Mode
POSITION 2 — MODE
OFF — Normal Mode (default)
ON — Factory Self-Checking Mode
POSITION 3 — NOT USED
POSITION 4 — INDOOR UNIT IDENTIFICATION
OFF — Standard Indoor Unit (Default)
ON — Mode Priority Indoor Unit (HP only)
(IDU address must be 63)
Fig. A — SW1 Settings
ON
OFF
1234
a40-1923
ON
OFF
1234
a40-1923
ON
OFF
ON
OFF
1234
a40-1923
Fig. B —SW8 Settings
OFF — Thermal Off Fan Off (Default)
ON — Thermal Off Fan On
(The wired controller must be connected to the
indoor unit, and use the room temperature sensor
on the wired controller to turn on this function)