SFOE standard catalogue · Refrigeration Technology · Version 2.0
The goal is to standardize the calculation of electricity savings that are triggered by cleaning condensers and recoolers to reduce the condensation temperature.
Examples and Scenarios
Cleaning of a dirty condenser with 50 kW electrical power
22'500kWh
eligible kWh, accumulated over the measure's lifetime
Funding contributionCHF 1’125
Inputs: Elektrische Leistung: 50 kW, Betriebsstunden: 5'000 h/a, Temperaturreduktion: 3 K
Requirements
Only measures that meet the requirements of the Energy Ordinance (SR 730.01; EnV) can be credited. The additional requirements for the technical characteristics and for the implementation of the measure are set out in Table 1.
| Technology | Mains-operated refrigeration systems within the scope of Annexes 1.14 or 2.11 EnEV (SR 730.02; EnEV) with a rated cooling capacity of up to: - 40 kW in the application area of above-zero cooling - 30 kW in the application area of below-zero cooling - 80 kW in the application area of comfort air-conditioning with direct evaporator - 200 kW in the application areas of comfort air-conditioning with refrigerant carrier, IT servers and process cooling Systems operated with R-744 (CO2) and all types of cascade systems are excluded. |
|---|---|
| Implementation | The measure must be carried out by a qualified specialist / company. |
Proof of compliance
Compliance with the requirements must be demonstrated by the following documents. The documents listed in Table 2 are an integral part of the proof of measure implementation.
| Symbol | Description | Unit |
|---|---|---|
ΔE | annual electricity savings | kWh/a |
ΔEeco | cumulative electricity savings | kWh |
Pel | electrical power consumption | kW |
ΔTK | condensation temperature difference | K |
hB | annual operating hours | h/a |
Ns | standard effective duration | a |
Annual Electricity Savings
The annual electricity savings result from the electrical power consumption, operating hours and temperature difference (approx. 3% savings per K).
Cumulative Electricity Savings
The cumulative electricity savings result from the annual savings multiplied by the standard effective duration.
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Standardised measures are one of two measure types in the EFFEL programme (efficiency improvements by electricity suppliers, Art. 46b EnG). They follow a predefined SFOE catalogue with fixed savings values.