Vaillant ecoTEC plus VU Series Installation And Maintenance Instructions

0020308118_05 Installation and maintenance instructions 103
7 Flow temperature sensor
8 Surface-mounted thermostat/Burner off
9 24 V DC room thermostat
10 Bus connection (system control/digital room thermo-
stat)
11 Water pressure sensor
12 Prioritising diverter valve
13 Impeller water flow sensor
14 Connection temperature sensor for the domestic hot
water
15 Ignition transformer
16 Ignition electrode
17 Control electrode
18 Outdoor temperature sensor, flow temperature
sensor (optional, external), DCF receiver
19 Circulation pump remote control
20 Control module
21 Communication unit
22 Internal pump
23 230 V power supply, fan
24 Main power supply

Vaillant ecoTEC plus VU Series Specifications

General

Type	Condensing Boiler
Installation	Wall-mounted
Heating circuit	Sealed System
ErP Rating	A
Fuel	Natural Gas
Efficiency	Up to 94%
Modulation	1:6
Warranty	2-5 years (depending on model and region)
Dimensions	720 x 440 x 338 mm