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The Motor Monitor TK-MM is designed to be used with the TK-400 Universal Twinning and Paralleling Kit to eliminate the need for backdraft dampers when HVAC units are twinned. The TK-MM monitors both the control voltage that turns on the fan and the current draw of both fan motors. If the 24VAC control voltage is present, but there is noncurrent draw at both motors for six seconds, the TK-MM will open a set of dry contacts and shut off both blowers. If the TK-MM trips off, it can be reset by interrupting power to furnace #1 for two sec. In applications where each HVAC unit must operate as an independent stage, backdraft dampers may be required.
Temp-Stat Motor Monitor, 30 VAC, 0.25 - 150 A, NEMA 1 Enclosure, SPDT Rated at 5 A Contact, -40 to 150 deg F
| Amperage Rating | : | 0.25 - 150 A |
| Contact Rating | : | SPDT Rated at 5 A |
| Enclosure Type | : | NEMA 1 |
| Temperature Rating | : | -40 to 150 deg F |
| Voltage Rating | : | 30 VAC |
- Easy to install and set-up
- Monitors the control voltage that turns on the fan and the current draw of both fans
- Status LEDs indicate power and status
Specification Sheet