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Control Description The Mixing Expansion Module 444 provides six options for operating a variable speed injection pump, a floating action actuator, or an analog 0-10 V (dc), 2-10 V (dc), 0-20 mA, or 4-20 mA signal. The 444 also provides an output for a system pump. The 444 cannot operate alone and requires the use of a tN4 System Control that is capable of operating a Mixing Expansion Module.

ControlMicroprocessor PID control; This is not a safety (limit) control
Packaged Weight1.14 lbs. (520 g)
EnclosureD enclosure, white PVC plastic
Dimensions4-3/4" H x 2-7/8" W x 1-7/8" D (120 x 74 x 48 mm)
ApprovalsCSA C US, CSA/UL 61010-1, meets Class B: ICES and FCC Part 15
Ambient ConditionsIndoor use only, 36 to 104¼F (2 to 40¼C)
 RH < 92% to 104¼F (40¼C)
 <3000 m, Installation Category II, Pollution Category 2
Power Supply24 V (ac) ¼10% 50/60 Hz, 4 VA standby, 56 VA fully loaded
System Pump Relay (front) 24 V (ac) 2A
System Pump Relay (back) 120 V (ac) 5A 1/3 hp
Variable Speed Output 120 V (ac) 2.4 A, 1/6 hp, internal overload circuit T2.5 A 250 V
Floating Output24 V (ac) 8 VA maximum, triac output, minimum 0.6 VA
Modulating Output (voltage)0 or 2-10 V (dc), minimum 10kΩ
Modulating Output (current)0 or 4-20 mA, maximum 1kΩ
SensorsNTC thermistor, 10 kΩ @ 77¼F (25¼C ¼0.2¼C) +=3892
Included1 Universal Sensor 082
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Mixing Control





User Interface:

DIP Switch



Depth (Inches):


Ambient Conditions:

Indoor Only: 36°-104°F RH <92% to 104F Altitude <3000m

Power Supply:

24V (ac)


24 V (ac) 2A (front) and 120 V (ac) 5A 1/3 hp (back)


120 V (ac) 2.4 A 1/6 hp


NTC Thermistor 10 k ohm @ 77°F


082 Sensor

Enclosure Type:


Weight (lbs):

1.2 lbs


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