Hotjet ZETXi Heat Pump

Type: Air-to-water
Installation: Indoor (Internal)
Heat loss: 4–20 kW
Regulation: Inverter (variable speed)
Control: SIEMENS
Noise: Active noise suppression

HOTJET ZETXi – indoor monoblock, no outdoor unit

Same technology as ZETXe, but the entire unit sits inside the building. Air is supplied and exhausted through ducts. Nothing visible outside, nothing audible outside.

A good fit where you don’t want (or can’t have) an outdoor unit – due to building regulations, aesthetics or proximity to neighbours.

Why ZETXi

Indoor installation – no outdoor unit, air routed through ducts
Active noise suppression – 40–42 dB at 3 metres, quieter than a normal conversation
Inverter regulation – smooth output 4–20 kW to match demand
Active cooling – reverse cycle for summer comfort

Included in Delivery

Heat pump (heating + cooling)
Siemens control
Electric boiler 7.5 kW
Circulation pump
Webserver Plug & Play cloud + app for iOS/Android

Optional

Control panel on the heat pump or wall-mounted
Room temperature sensor (wired / wireless)

Type	Air-to-water
Installation	Indoor (Internal)
Heat loss	4–20 kW
Regulation	Inverter (variable speed)
Control	SIEMENS
Noise	Active noise suppression

ZETXi	ZETXi 7	ZETXi 10	ZETXi 15
Compressor	Copeland Scroll Variable Speed
Models	ZETXi 7 / ZETXi 10 / ZETXi 15
Suitable for heat losses	4–7 kW	5–15 kW	10–20 kW
Output min/max for 25–120 Hz (A2/W35)	1.8–9 kW	2.6–13 kW	4–20 kW
Heating output / COP A7/W35 (60 Hz)	6.25 kW / 5.10	8.04 kW / 5.02	10.29 kW / 5.03
Heating output / COP A2/W35 (60 Hz)	4.33 kW / 4.09	6.35 kW / 4.04	8.33 kW / 4.11
Heating output / COP A-7/W50 (120 Hz)	8 kW	11 kW	17 kW
Nominal cooling output (60 Hz, min–max)	5.0 kW (1.1–8.9)	6.0 kW (3.3–11.9)	11.0 kW (5.5–14.0)
Sound power LWA A7/W35	52 dB	53 dB	54 dB
Sound pressure LpA at 3m (100 Hz)	40 dB	41 dB	42 dB
Energy class (with regulator)	A+++/A++
Weight	220 kg	225 kg	230 kg
Dimensions (w × d × h)	986 × 846 × 1590 mm
SVT code for subsidies	SVT31207	SVT31206	SVT31198