440
Discontinued - Replaced By: 444
Part of the Boiler and Mixing Controls Series
Ordering Code: 440
UPC: 779655044003
Mixing Expansion Module, Variable Speed, Floating Action
The mixing expansion module 440 is designed to operate a mixing device within a hydronic heating system as part of a tekmarNet (R) control system. It is capable of controlling a mixed system pump and a 24 V floating action mixing valve or a wet rotor circulator for variable speed injection. Replacement option could be mixing expansion module 444 which can be substituted with additional wiring, other mixing options may be available. The best replacement model will vary with application. Contact tekmar customer service for assistance.
Features
- tekmarNet (R) 4 compatible
- Powered variable speed output
- Powered 24 V (ac) floating action output
- Powered system pump
- CSA C US certified for use in USA and Canada
| Specifications | |
|---|---|
| Agency Approvals | CSA C US, meets Class B: ICES & FCC Part 15 |
| Ambient Conditions | Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 80 percent to 88 degrees F (31 degrees C), down to 50 percent above 104 degrees F (40 degrees C), Altitude less than 6560 ft. (2000 m), Installation Category II, Pollution Degree |
| Combined Load | 7.5 A max (System and Variable Speed Pump) |
| Control Type | Microprocessor Control, is Not a Safety/Limit Control |
| Dimensions | 3 5/8 IN H x 5 3/8 IN W x 9/16 IN D (92 x 137 x 14 MM) |
| Enclosure Material | No Enclosure |
| Enclosure NEMA Rating | Does Not Apply To Product |
| Floating Action Load | 24 V (ac) 8 VA max |
| Hydronic - HVAC Control Type | Mixing Expansion Module |
| Power Supply | Provided by interconnected tekmarNet Zone Manager |
| Pump Relay | 115 V (ac) 5 A |
| Sensor | NTC Thermistor, 10 k ohms at 77 degrees F (25 degrees C Plus/Minus 0.2 degrees C) Beta=3892 |
| Variable Pump | 115 V (ac) 2.5 A |