Vaillant ecoTEC plus 615 Installation And Maintenance Instructions

14 Installation and maintenance instructions 0020308118_05
VU 10 VU 15 VU 20
Permissible operating pressure, heating
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
Nominal circulation water volume based on ΔT = 20 K,
80/60 °C
439 l/h 659 l/h 878 l/h
Approx. condensate rate (pH value 3.5 to 4.0) in 50/30 °C heat-
ing mode
1.0 l/h 1.5 l/h 2.0 l/h
Remaining pump head at nominal circulation water volume
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
VU 25 VU 30 VU 35
Max. flow temperature
85 ℃ 85 ℃ 85 ℃
Flow temperature adjustment range (factory setting: 75 °C)
30 to 80 ℃ 30 to 80 ℃ 30 to 80 ℃
Permissible operating pressure, heating
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
Nominal circulation water volume based on ΔT = 20 K,
80/60 °C
1,098 l/h 1,318 l/h 1,537 l/h
Approx. condensate rate (pH value 3.5 to 4.0) in 50/30 °C heat-
ing mode
2.6 l/h 3.1 l/h 3.6 l/h
Remaining pump head at nominal circulation water volume
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
VUW 20/26 VUW 25/32 VUW 30/36
Max. flow temperature
85 ℃ 85 ℃ 85 ℃
Flow temperature adjustment range (factory setting: 75 °C)
30 to 80 ℃ 30 to 80 ℃ 30 to 80 ℃
Permissible operating pressure, heating
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
Nominal circulation water volume based on ΔT = 20 K,
80/60 °C
878 l/h 1,098 l/h 1,318 l/h
Approx. condensate rate (pH value 3.5 to 4.0) in 50/30 °C heat-
ing mode
2.0 l/h 2.6 l/h 3.1 l/h
Remaining pump head at nominal circulation water volume
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
VUW 30/40
Max. flow temperature
85 ℃
Flow temperature adjustment range (factory setting: 75 °C)
30 to 80 ℃
Permissible operating pressure, heating
0.25 MPa
(2.50 bar)
Nominal circulation water volume based on ΔT = 20 K,
80/60 °C
1,318 l/h
Approx. condensate rate (pH value 3.5 to 4.0) in 50/30 °C heat-
ing mode
3.1 l/h
Remaining pump head at nominal circulation water volume
0.025 MPa
(0.250 bar)
Technical data – Domestic hot water
VUW 20/26 VUW 25/32 VUW 30/36
Start-up flow rate
2.0 l/min 2.0 l/min 2.0 l/min
Specific flow rate D (ΔT = 30 K) (EN 13203-1)
12.4 l/min 15.2 l/min 17.0 l/min
Flow rate (ΔT = 35 K)
10.6 l/min 13.0 l/min 14.6 l/min
Permissible operating pressure
0.95 MPa
(9.50 bar)
0.95 MPa
(9.50 bar)
0.95 MPa
(9.50 bar)
Required connection pressure
0.07 MPa
(0.70 bar)
0.07 MPa
(0.70 bar)
0.07 MPa
(0.70 bar)
Domestic hot water temperature adjustment range
35 to 65 ℃ 35 to 65 ℃ 35 to 65 ℃
Flow rate limiter
8.7 l/min 10.4 l/min 11.7 l/min
Classification in accordance with the total comfort factor
(EN 13203-1)
* * * * * * * * *

Vaillant ecoTEC plus 615 Specifications

General

Model	ecoTEC plus 615
Category	Boiler
Output	15 kW
Dimensions (H x W x D)	720 x 440 x 338 mm
Fuel Type	Natural Gas
Mounting	Wall-mounted
Max. Working Pressure	3 bar
NOx Emissions Class	5
Flue Options	Horizontal and Vertical
Heating Flow Temperature Range	30°C to 80°C
Efficiency	94% ErP