9 Servicing
9.1 Notes on servicing
DANGER
Risk of electric shock
Working on the unit when voltage is applied can lead to electric shock.
▶
Isolate hydraulic unit and outdoor unit from power supply prior to carrying out work.
▶
Safeguard against accidental re-start.
DANGER
Risk of suffocation due to leaking refrigerant
Leaking refrigerant collects at the base of the unit.
Inhalation may cause suffocation, and even death.
Contact with the skin can cause frostbite.
▶
Do not damage refrigeration circuit.
WARNING
Danger of getting burned on hot components
Hot components can lead to burns.
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Allow components to cool.
WARNING
Environmental damage due to leaking refrigerant
Refrigerant contains fluorinated greenhouse gases in accordance with the Kyoto
Protocol and must not be discharged into the atmosphere.
▶
Do not damage refrigeration circuit.
Servicing must only be carried out by qualified personnel. The unit should be serviced
annually. Depending on site conditions more frequent checks may be required.
To comply with EU Directive 842/2006, an annual leakage test of the refrigerant cir-
cuit must be carried out and documented on units with a refrigerant quantity of more
Weishaupt recommends a service contract is entered into to ensure regular inspec-
tions.
Prior to servicing
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Inform the operator about the extent of service work to be carried out.
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Switch off installation and safeguard against accidental re-start.
▶
Remove front panel (see Ch. 4.2).
Installation and operating instruction
Hydraulic unit WWP L 7 ... L 15
9 Servicing
83279602 • 1/2014-05 • La
37-59
