ISO 11855-6:2012 pdf download.Building environment design — Design, dimensioning, installation andcontrol of embedded radiant heating and cooling systems — Part 6: Control.
Control of the heating and cooling system shall enable the specified designed indoor temperatures to be achieved under the specified variation on internal loads and external climate. The control system shall. if specified. protect buildings and equipment against frost and moisture damage where necessary (when normal comfort temperature level is not required) and prevent condensation from occurring.
The design of the control system shall take into account the building, its intended use and the effective functioning of the embedded system, efficient use of energy and avoiding conditioning the building to full design conditions when not required. This shall include keeping distribution heat losses as low as possible. e.g. reducing flow rates and temperatures, when normal comfort temperature level is not required. Control and operation of the system will enable control of the conditioning systems to obtain possible savings of operational costs and enable the maintenance of required indoor environmental conditions.
In order to maintain a stable thermal environment, the control system needs to maintain the balance between supplied energy from the system and the losses/gains of building environment under transient conditions, Slowly varying energy flows in the form of energy losses or gains through the envelope are determined by indoor and outdoor temperature, and direction and speed of wind.
The design of the control system shall take into account the building, its intended use and the effective functioning of the embedded system, efficient use of energy and avoiding conditioning the building to full design conditions when not required. This shall include keeping distribution heat losses as low as possible. e.g. reducing flow rates and temperatures, when normal comfort temperature level is not required. Control and operation of the system will enable control of the conditioning systems to obtain possible savings of operational costs and enable the maintenance of required indoor environmental conditions.
In order to maintain a stable thermal environment, the control system needs to maintain the balance between supplied energy from the system and the losses/gains of building environment under transient conditions, Slowly varying energy flows in the form of energy losses or gains through the envelope are determined by indoor and outdoor temperature, and direction and speed of wind.
