Weather sensor Plum CT4-P for ecoMAX
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Description
The CT4-P sensor is an external temperature (weather) sensor designed to work with PLUM boiler controllers from the ecoMAX series. It is used to assist in controlling the combustion process by selecting the appropriate heating curve. The sensor consists of a measuring element enclosed in a sealed housing with a gasket. The housing sealing level is IP65, which provides high protection of the measuring element against moisture, water and sun rays. Inside the sensor housing there is a terminal that allows connection of a cable that connects the external sensor with the controller. The sensor is designed for external installation. The best location for installation is the coldest wall in a covered place.
Application
- for PLUM boiler controllers: ecoMAX350, ecoMAX800, ecoMAX850 from the P.D.R series
- external temperature (weather) measurement
Technical specifications
Temperature measurement range: -35°C...+40°C
Temperature measurement accuracy: ±2°C
Cable 2x0.5mm² with maximum length of 25m (Cable is not included with the CT4-P sensor.)
Table of resistance values of the CT4-P sensor
| Ambient temperature (°C) | Min. (Ω) | Nom. (Ω) | Max. (Ω) |
| -30 | 609 | 624 | 638 |
| -20 | 669 | 684 | 698 |
| -10 | 733 | 747 | 761 |
| 0 | 802 | 815 | 828 |
| 10 | 874 | 886 | 898 |
| 20 | 950 | 961 | 972 |
- Holes for mounting screws
- Cable 2x0.5mm²
Max. length 25m
Cable diameter 3-6.5mm - Mounting screw 2 pcs.
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