en
Application/use
8
WILO SE 2021-08
4
Application/use
4.1
Intended use
High-efficiency circulators in this series are exclusively intended for circulating fluids in
hot-water heating systems and similar systems with constantly changing volume flows.
Permitted fluids:
ƒ
Heating water according to VDI 2035 (CH: as per SWKI BT 102-01).
ƒ
Water-glycol mixtures* with a maximum of 50 % glycol.
* Glycol has a higher viscosity than water. If admixtures of glycol are used, the pumping
data of the pump must be corrected to match the mixing ratio.
NOTICE
Only introduce ready-to-use mixtures to the system.
The pump must not be used to mix fluid in the system.
4.2
Misuse
The operational reliability of the supplied product is only guaranteed for intended use.
The values must never fall below or exceed the limit values specified in the catalogue/
data sheet.
Misuse of the pump can lead to dangerous situations and damage:
ƒ
Never use non-specified fluids.
ƒ
Highly flammable materials/fluids should always be kept at a safe distance from the
product.
ƒ
Never allow unauthorised persons to carry out work.
ƒ
Never operate the pump beyond the specified limits of use.
ƒ
Never carry out unauthorised conversions.
ƒ
Never operate with phase angle control.
ƒ
Use authorised Wilo accessories and genuine spare parts only.
Intended use also includes observing these instructions and the specifications and
markings on the pump.
Any use beyond the intended use is considered misuse and will void any warranty
claims.
5
Transportation and storage
5.1
Scope of delivery
ƒ
High-efficiency circulator
ƒ
2 gaskets
ƒ
Wilo-Connector
ƒ
Installation and operating instructions
5.2
Transport inspection
Check delivery immediately for damage and completeness. Where necessary make a
complaint immediately.
5.3
Transport and storage conditions
Protect against moisture, frost and mechanical loads.
Permissible temperature range: -10 °C to +50 °C.
6
Installation and electrical con-
nection
DANGER
Risk of fatal injury!
Incorrect installation and improper electrical connections can be life-threatening.
• Installation and electrical connection only by qualified personnel.
• Carry out work in accordance with locally applicable regulations.
• Adhere to accident prevention regulations.
