Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 18-40VMM001-02
Printed in U.S.A.
Form 40VMM-2SI
Pg 25
1-18
Replaces: 40VMM-1SI
© Carrier Corporation 2018
APPENDIX A — DIP SWITCH SETTINGS
There are 2 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.
v
Terminal J1 is located on the main control board. When J1
jumper is not in place, Auto Restart function is enabled. When
J1 jumper is in place, Auto Restart function is disabled. The
default setting for J1 is without the jumper in place.
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
1 2 3 4
a40-1923
ON
OFF
1 2 3 4
a40-1923
ON
OFF
ON
OFF
1 2 3 4
a40-1923
POSITION 1, 2 — NOT USED
Fig. B — SW8 Settings
ON
OFF
1 2
a40-1925
