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444 | Mixung Expansion Module - Variable Speed/Floating Action/Modulating | Tekmar

Brand: TekmarSKU: 444

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Overview Details for 444

Mixung Expansion Module - Variable Speed/Floating Action/Modulating

The Mixing Expansion Module 444 is designed to operate a mixing device within a hydronic heating system as part of a tekmarNet^® control system. It is capable of controlling a mixed system pump and six optional outputs for mixing: 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.

Features

Powered variable speed injection pump
Analog 0-10 V (dc) or 2-10 V (dc) output
Powered 24 V (ac) system pump output
Powered 24 V (ac) floating action output
CSA C US certified for use in USA and Canada
Powered 120 V (ac) system pump
Requires a tekmarNet^® 4 system control
Analog 0-20 mA or 4-20 mA output

Specifications

Item Number	444
Brand	Tekmar
Category	tekmarNet Controls
Agency Approvals	CSA C US, meets Class B: ICES & FCC Part 15
Ambient Conditions	Indoor use only, 32 to 104 degrees F (0 to 40 degrees C), RH less than or equal to 92 percent to 104 degrees F (40 degrees C), and 50 percent above 104 degrees F (40 degrees C), Altitude less than 9840 ft. (3000 m), Pollution Degree 2
Control Type	Microprocessor control, this is not a safety (limit) control
Dimensions	4-3/4" H x 2-7/8" W x 1-7/8" D (120 x 74 x 48 mm)
Enclosure Material	White PVC plastic
Enclosure NEMA Rating	Does Not Apply To Product
Floating Output	24 V (ac) 8 VA maximum, triac output, minimum 0.6 VA
Hydronic - HVAC Control Type	Mixing Expansion Module
Modulating Output	0-20 mA / 4-20 mA, maximum 1k ohms load - current, 0-10V / 2-10 V (dc), minimum 10k ohms load - voltage
Power Supply	24 V (ac) plus / minus 10 percent, 50/60 Hz, 4 VA standby, 56 VA fully loaded
Pump Relay	System pump relay - back 120 V (ac) 5A, 1/6 hp, front 24 V (ac) 2A
Sensor	NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892
Variable Pump	120 V (ac) 2.4 A, internal overload circuit T2.5 A 250 V