aci DMUX-8S Installation & Operation Instructions Download Page 4

WARRANTY

The DMUX Series are covered by ACI’s Two (2) Year Limited Warranty, which is located in the front of ACI’S 
SENSORS & TRANSMITTERS CATALOG or can be found on ACI’s website: www.workaci.com.

W.E.E.E. DIRECTIVE 

At the end of their useful life the packaging and product should be disposed of via a suitable recycling 
centre. Do not dispose of with household waste. Do not burn.

FIGURE 3: 

SWITCH SETTINGS

Automation Components, Inc.

2305 Pleasant View Road  |  Middleton, WI 53562

Phone:

 1-888-967-5224  |  

Website:

 workaci.com

Page 4

Version: 4.0

I0000594

PRODUCT SPECIFICATIONS

24 VAC or 24VDC, (+/- 10%), 50/60 Hz 

260 mA maximum 

Relay Contact Closure, Transistor or Triac (jumper selectable)

5 to 24 volts AC or DC, 20 mA maximum

Solidyne™ Fast 5 Pulse 

10 milliseconds minimum

Form “C” Relays

2A maximum @ 24 VDC

100,000 operations minimum

1,000,000 operations

8 N.O. and N.C. contacts 

Three-position (ON/OFF/AUTO)

45° Captive screw Terminal Blocks

12 (3.31 mm2) to 22 AWG (0.33 mm2)

0.5 Nm (Minimum); 0.6 Nm (Maximum)

35 to 120°F (1.7 to 48.9°C)

10 to 95% non-condensing 

-20 to 150°F (-28.9 to 65.5°C)

SENSOR NON-SPECIFIC INFORMATION

Supply Voltage:

Supply Current:

Input Pulse Source:

Input Pulse Trigger Level:

Input Pulse Timing:

Off Time Between Pulses:

Digital Output Type:

Relay Contact Rating:

Relay Electrical Life:

Relay Mechanical Life:

Output Relay:

Relay Override Jumpers:

Connections:

Wire Size:

Terminal Block Torque Rating:

Operating Temperature Range:

Operating Humidity Range: 

Storage Temperature:

Triac Input Selection Jumper

J9

AC DC

   Power Type

Selection Jumper

TRIAC NORM

J10

(above label space)

Solidyne Clipper Signal Input

J1

A

0

J1

A

0

J1

A

0

AUTO

ON

OFF

Switch (Optional) Positions

J1

A

0

J1

A

0

J1

A

0

Figure E

Hand AUTO/ON/OFF Jumper Positions

AUTO POSITION

Relay controlled by

input signal

ON POSITION

Relay Energized

OFF POSITION

Relay OFF

Figure D

Figure C

Figure B

2
3
4

O

N

1

2
3

4

O

N

1

2
3

4

O

N

1

"MODE" SWITCH   See text

Sequenced Relay

Control

Roof top 8-Relay

Control

Roof top 5-Relay

Control

Figure A

Summary of Contents for DMUX-8S

Page 1: ...t that side of the circuit board to remove Do not flex board or use tools WIRING INSTRUCTIONS PRECAUTIONS Remove power before wiring Never connect or disconnect wiring with power applied When using a shielded cable ground the shield only at the controller end Grounding both ends can cause a ground loop It is recommended you use an isolated UL listed class 2 transformer when powering the unit with ...

Page 2: ...r until receiving 10 identical cycles of the same range Any input range that is less than 4 greater than 96 or after 5 seconds with NO input pulse will command an ALL OFF relay action Apply power The POWER LED should light Close the pulse input relay contacts The PULSE LED should light indicating that the M978 is receiving the PWM signal Further test the M978 operation by comparing the operation o...

Page 3: ...43 5 80 100 F 44 55 All OFF 110 130 DEADBAND 56 67 5 140 160 F 68 79 5 3 170 190 F H1 80 95 5 4 3 200 230 F H1 H2 ROOFTOP UNIT CONTROL This mode of operation is useful for 8 relay control of rooftop units Ten identical pulse cycles are needed to initiate an action and a 50 deadband is included Dip switch 1 when in the ON position at the 50 deadband range setting provides a fan override ON for a ti...

Page 4: ... Captive screw Terminal Blocks 12 3 31 mm2 to 22 AWG 0 33 mm2 0 5 Nm Minimum 0 6 Nm Maximum 35 to 120 F 1 7 to 48 9 C 10 to 95 non condensing 20 to 150 F 28 9 to 65 5 C SENSOR NON SPECIFIC INFORMATION Supply Voltage Supply Current Input Pulse Source Input Pulse Trigger Level Input Pulse Timing Off Time Between Pulses Digital Output Type Relay Contact Rating Relay Electrical Life Relay Mechanical L...

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