Dmux-4J Connection On Digital Output 2 For 3 Or 4 Stage Cooling; Figure 17 - Connecting The Dmux-4J (Powered By M2000) - Prolon M2000 Series Hardware Manual

DMUX-4J Connection on Digital Output 2 for 3 or 4 Stage Cooling

When 3 or 4 stages of cooling are required, the M2000 Rooftop controller must be equipped with a
DMUX-4J. The DMUX-4J input is only connected to Digital Output 2 on the M2000 Rooftop controller.
The DMUX-4J must be configured to "Sequenced Relay Control" with a 1 second pulse resolution. The
"Triac Input Selection" jumper must be set to normal signal input and the "Power Type Selection" jumper
must be set to AC power. The DMUX-4J outputs are then connected to the rooftop unit (see figure 17).
Each of the DMUX-4J outputs have connections for "Normally Closed" and "Normally Open" operation,
so use the connection that is compatible with your rooftop unit. For more information on the DMUX-4J,
consult the Specification Sheet and the Installation Guide for the DMUX-4J.
REV. 6.1.8 / PL-HRDW-RTU-M2000-C/F-EN
24 VAC
J9
TRIAC NORM
J10
AC DC
DMUX-4J Jumpers

Figure 17 - Connecting the DMUX-4J (Powered by M2000)

NO4
C4
PWR+
NO3
PWR-
C3
NO2
IN+
C2
IN-
NO1
C1
OFF ON
O
M
O
D
A
E
AUTO
Y4
Y3
Y2
Y1
G
R
C
16