Tekmar 444 TEKNET – Mixing Expansion Module – Variable Speed – Floating Action – Modulation

Description

Tekmar 444 TEKNET – Mixing Expansion Module – Variable Speed – Floating Action – Modulation

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: 

• 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

Installation Manual