Heat pump installation Good Practice Guide

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Heat pump installation Good Practice Guide ( heat-pump-installation-good-practice-guide )

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9.3 Nameplate Do not: • connect the isolating switch to the outdoor unit, which means that the unit cannot be isolated from the power • allow contact between wiring and refrigerant pipework • run the main power cable and heat pump system power cable together • allow work to be carried out by an uncertified tradesperson or to be installed without a completion certificate for the electrical works, which may void future insurance loss claims. Attach a nameplate in an accessible location displaying: • manufacturer’s name and/or trademark • type or model designation and serial number • rated voltage • rated frequency • cooling capacity • heating capacity • refrigerant type (designation) and charge. Figure 9.3 Install lockable isolating switch (B) Figure 9.4 Install lockable isolating switch (C) Figure 9.5 Replace service cover to outdoor unit • Attach the isolating switch to the house – not to the outdoor unit. • Provide waterproof protection to the connection as required, such as: – cable gland – flexible conduit. • Replace service cover to outdoor unit when all connections are completed (Figure 9.5). 48

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