Hydraulic Performance - Daikin HXHD-A Technical Data Manual

11

Hydraulic performance

11 - 1 Static Pressure Drop Unit
HXHD-A
Note:
In case of stand alone tank, available ESP during DHW mode: to be con¿ rmed
1. The ESP curves are the maximum ESP curve for different T types (pump rpm = 4400
The pump of the indoor module is inverter controlled and controls to have a ¿ xed
2. In case of installing a demestic hot water tank there is an additional pressure drop over the three way valve (delivered as accessory with the tank).
ESP: external static pressure
Flow: waterÀ ow through the unit
Warning:
1. Selecting a À ow outside the curve can cause damage to or malfunction of the unit. See also minimum and maximum allowed water À owrange
in the technical speci¿ cations.
2. Water quality must be according to EN directive EC 98/83 EC.
• Indoor Unit • HXHD-A
T between return and leaving water temperature.
• VRV Systems • HXHD-A
Flow [l/min]
T = 5°C; pump rpm = 4000 for T = 10°C).
unit ESP without DHW 3way valve
unit ESP including DHW 3way valve
(heating)
(heating)
3TW60669-1
3
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