SYSAER SG
SYSAER – Specification guide 
1.0 – General description 
1.1 - Unit description 
Provide and install as shown on the plans, factory assembled, factory charged with R410A, and factory run tested, a packaged 
rooftop unit in the quantity and size specified. Each unit shall consist of multiple hermetic scroll compressors, direct expansion 
evaporator, air-cooled condenser section, control system and all components necessary to protect and control the unit operation.
1.2 - Design requirement 
Provide a complete rooftop unit as specified herein and as shown on the drawings. 
Furnish and install where shown on plans, ___ SysAer rooftop unit from Systemair, model SR ___. 
Cooling: 
The unit(s) shall have a capacity of ___ kW of refrigeration, cooling ___ l/h of water from ___°C to ___°C when operating in ___°C 
ambient air.
Total unit power consumption in cooling mode (including compressors, fans and controls) shall not exceed __kW. The unit SEER shall 
be of at least ___ at nominal conditions in order to comply with Ecodesign Lot 21 requirements. 
Heating: 
The unit(s) shall have a capacity of __ kW of heating, heating ___ l/h of water from ___°C to ___°C when operating in ___°C ambient 
air.
Total unit power consumption in heating mode (including compressors, fans and controls) shall not exceed __kW. The unit SCOP 
shall be of at least ___ at nominal conditions. SCOP energetic class should be ___. 
The evaporator shall be selected for a ___ m²K/W fouling factor and a maximum of water pressure drop of ___ kPa. The condenser 
shall be selected for a ___ m²K/W fouling factor.
Power shall be supplied to the unit on ___ volt, ___Hertz, 3-phase electrical service. 
Performance shall be certified or rated under the latest EN 14511 standard as Applicable. Only Rooftop that are under Eurovent 
certification program scope for Rooftop unit are acceptable.
Sound power and sound pressure data shall be provided in decibels. Sound pressure data shall be provided in 6 octave band format 
at full load according to ISO 3744 within 10 meters. In addition a weighted sound pressure shall be provided. 



