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14 Technical data
Installer reference guide
94
ERLQ004~008CA + 26CB6W
Daikin Altherma – Low temperature split
4P449978-1B – 2018.07
14.6
Technical specifications: Indoor unit
Specification
EHVH_SU18
EHVH_SU26
Maximum water supply pressure to pressure reducing valve
16 bar
Operating pressure/set pressure of pressure reducing valve
3.5 bar
Maximum primary working pressure (heating)
2.5 bar
Maximum flow temperature
65°C
Expansion vessels pre-charge pressure (in domestic hot water tank kit)
2.5 bar
Expansion valve setting
8 bar
Temperature and pressure relief
valve
Set opening temperature
90~95°C
Set opening pressure
10 bar
Replacement part number
302810P
Operating temperature of thermal cut-out when installed with ERHQ or
ERLQ
79~85°C
Primary heating power input
24.5 kW
21.1 kW
Primary flow rate to reach primary heating power input
15 l/min
Standing heat losses
2.4 kWh/24h
2.6 kWh/24h
Actual capacity
172 l
249 l
Mass of unit when full
229.5 kg
309.5 kg
Maximum design pressure
10 bar
Heat-up times
18'54"
28'50"
Type of corrosion protection
Electronic anode