Flexible indoor module with built-in heat pump control – available in two heights.
The flexible indoor module with touchscreen and EnergyFlex. An efficient indoor module available in two heights with ample possibilities.
CTC EcoZenith i250 is an efficient indoor module with built-in heat pump control. To achieve the perfect combination for a complete heat pump, install it together with the CTC EcoAir air-to-water heat pumps. For those who prefer ground source, geothermal, or lake heating, CTC EcoPart are ideal.
With CTC EcoZenith i250, we guarantee legionella-free hot water. (Our solution produces hot water when and as it is needed.)
CTC EcoZenith i250 is suitable for different heating systems: one- and two-pipe systems for radiators and convectors, as well as for floor heating. With the Mixing Valve Group 2 accessory, you can control two different heating systems.
For CTC EcoZenith i250, we opted for a technology that provides far more uniform heating. Radiators and underfloor heating are always at the right temperature thanks to the automatically-controlled mixing valve. Since the primary flow temperature is constant, annoying expansion sounds in the floor and pipes are absent.
Now you can also get cool in summer; supplement with CTC Comfort (passive cooling unit in combination with CTC EcoPart) which uses the borehole’s cool temperature for pleasant cool air.
EnergyFlex gives you the freedom to supplement with other energy sources. Thanks to two ingenious connections, you can supplement with solar heat, or have a water-jacketed stove provide warmth. Connect a pool so you can also enjoy the warmth in summer.
Reported Ecodesign data (Scale A +++ to G) applies together with heat pump.
| Model designation |
| CTC EcoZenith i250 H |
| CTC EcoZenith i250 L |
| CTC EcoZenith i250, 1x230V |
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| Accessories |
| CTC BMS/internet |
| CTC Charge pump 15/75-130 10-20 kW |
| CTC DHW button |
| CTC EcoSol EZ250/EA |
| CTC Expansion Tank 18L 350x440 |
| CTC Housing Cover 146 mm |
| CTC Housing Cover 488 mm |
| CTC Housing Cover 588 mm |
| Communication cable 10 m |
| Communication cable 5 m |
| Mixing valve VRB243 20-4,0 |
| Room sensor |
