SDC / DHC

Hydraulic Components

 

 

Volume flow (only if heat balancing is activated)

This set value allows choosing between volume flow computed in

•litres/minute for calculating the flow volume or

•litres/pulse when using the pulse input corresponding to the respective pumping capacity of the solar loading pump.

NOTE With set value 0 L/min., no calculation of heat balancing is possible.

Density of medium (only if heat balancing is activated)

This set value defines the fluid density of the heat carrier medium used according to the manufacturer data.

Heat capacity Specific heat capacity medium (only if heat balancing is activated)

This set value defines the specific heat capacity of the heat carrier medium used according to the manufacturer data.

NOTE The physical values of volume flow, density and specific heat capacity form the basis for determining the solar heat balancing and the solar power and are calculated according to the mathematical relation

W = (V/t) · ρ · cW · Δδ · tSOP

The results can be seen on the information level.

W = Heat balancing

V / t = Volume flow of the heat carrier medium

ρ= Density of the heat carrier medium

cW = Specific heat capacity of the heat carrier medium

Δδ = Temperature differential (collector flow/return)

Anti-blocking function This is an automatic function of the controller. If the solar loading pump was switched off longer than 24 hours, it is operated for approx. 20 seconds to prevent blocking via corrosion.

7.3.6.2Buffer tank function

NOTE This function is only active if a buffer loading pump is assigned to a programmable switching output or if a buffer sensor has been connected to a variable input.

EN2H-0221GE51 R0808

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Honeywell EN2H-0221GE51 R0808 service manual Buffer tank function
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EN2H-0221GE51 R0808 specifications

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