Vaillant flexoTHERM exclusive VWF 117/4 Installation And Maintenance Instructions Manual page 66

Appendix
Max. electrical power consumption of
auxiliary heater
EN 60529 level of protection
Hydraulics
Heating flow/return connection
Heat source flow/return connection
Heating expansion vessel connection
Heat source circuit/brine circuit
Brine content of the brine circuit in the
heat pump
Brine circuit materials
Min. brine fluid operating pressure
Max. brine fluid operating pressure
Max. electrical power consumption, brine
circuit pump
Brine pump type
Building circuit/heating circuit
Heating circuit water contents in the heat
pump
Heating circuit materials
Permissible heating water condition
Min. heating circuit operating pressure
Max. heating circuit operating pressure
Min. heating mode flow temperature
66
VWF 57/4 VWF 87/4
9 kW 9 kW
IP 10B IP 10B
VWF 57/4 VWF 87/4
G 1 1/2 " G 1 1/2 "
G 1 1/2 " G 1 1/2 "
G 3/4 " G 3/4 "
VWF 57/4 VWF 87/4
2.5 l 3.1 l
– –
Cu Cu
– –
CuZn alloy CuZn alloy
– –
Stainless Stainless
steel steel
– –
EPDM EPDM
– –
Brass Brass
– –
Fe Fe
≥ 0.07 MPa ≥ 0.07 MPa
(≥ 0.70 bar) (≥ 0.70 bar)
≤ 0.3 MPa ≤ 0.3 MPa
(≤ 3.0 bar) (≤ 3.0 bar)
76 W 76 W
High-efficiency High-efficiency
pump pump
VWF 57/4 VWF 87/4
3.2 l 3.9 l
– –
Cu Cu
– –
CuZn-Alloy CuZn-Alloy
– –
Stainless Stainless
Steel Steel
– –
EPDM EPDM
– –
Brass Brass
– –
Fe Fe
Do not add Do not add
frost or frost or
corrosion corrosion
protection protection
agents to agents to
heating water. heating water.
Soften the Soften the
heating water heating water
at water at water
hardnesses hardnesses
from 3.0 mmol/l from 3.0 mmol/l
(16.8° dH) (16.8° dH)
according to according to
Directive VDI Directive VDI
2035 sheet 1. 2035 sheet 1.
≥ 0.07 MPa ≥ 0.07 MPa
(≥ 0.70 bar) (≥ 0.70 bar)
≤ 0.3 MPa ≤ 0.3 MPa
(≤ 3.0 bar) (≤ 3.0 bar)
25 ℃ 25 ℃
Installation and maintenance instructions flexoTHERM exclusive 0020213394_01
VWF 117/4 VWF 157/4
9 kW 9 kW
IP 10B IP 10B
VWF 117/4 VWF 157/4
G 1 1/2 " G 1 1/2 "
G 1 1/2 " G 1 1/2 "
G 3/4 " G 3/4 "
VWF 117/4 VWF 157/4
3.6 l 4.5 l
– –
Cu Cu
– –
CuZn alloy CuZn alloy
– –
Stainless Stainless
steel steel
– –
EPDM EPDM
– –
Brass Brass
– –
Fe Fe
≥ 0.07 MPa ≥ 0.07 MPa
(≥ 0.70 bar) (≥ 0.70 bar)
≤ 0.3 MPa ≤ 0.3 MPa
(≤ 3.0 bar) (≤ 3.0 bar)
130 W 310 W
High-efficiency High-efficiency
pump pump
VWF 117/4 VWF 157/4
4.4 l 5.8 l
– –
Cu Cu
– –
CuZn-Alloy CuZn-Alloy
– –
Stainless Stainless
Steel Steel
– –
EPDM EPDM
– –
Brass Brass
– –
Fe Fe
Do not add Do not add
frost or frost or
corrosion corrosion
protection protection
agents to agents to
heating water. heating water.
Soften the Soften the
heating water heating water
at water at water
hardnesses hardnesses
from 3.0 mmol/l from 3.0 mmol/l
(16.8° dH) (16.8° dH)
according to according to
Directive VDI Directive VDI
2035 sheet 1. 2035 sheet 1.
≥ 0.07 MPa ≥ 0.07 MPa
(≥ 0.70 bar) (≥ 0.70 bar)
≤ 0.3 MPa ≤ 0.3 MPa
(≤ 3.0 bar) (≤ 3.0 bar)
25 ℃ 25 ℃
VWF 197/4
9 kW
IP 10B
VWF 197/4
G 1 1/2 "
G 1 1/2 "
G 3/4 "
VWF 197/4
5.3 l
–
Cu
–
CuZn alloy
–
Stainless
steel
–
EPDM
–
Brass
–
Fe
≥ 0.07 MPa
(≥ 0.70 bar)
≤ 0.3 MPa
(≤ 3.0 bar)
310 W
High-efficiency
pump
VWF 197/4
6.5 l
–
Cu
–
CuZn-Alloy
–
Stainless
Steel
–
EPDM
–
Brass
–
Fe
Do not add
frost or
corrosion
protection
agents to
heating water.
Soften the
heating water
at water
hardnesses
from 3.0 mmol/l
(16.8° dH)
according to
Directive VDI
2035 sheet 1.
≥ 0.07 MPa
(≥ 0.70 bar)
≤ 0.3 MPa
(≤ 3.0 bar)
25 ℃