1
1. PUMP SPECIFICATIONS
FLOW RATE(m/hr)
PUMP HEAD(m)
0 2
4
5
1
6
7
Speed II
Speed III
Speed I
Night Mode
4
6
8 10 12
3
2
CP2
CP1
PP2
PP1
DQA 25/60
Night Mode
Speed
1
Speed
2
Speed
3
Night
Auto Adaptation
European Level of
energy Efficiency
LED Display Power
Max Proportional Pressure Curve
One Button Operation
Min Constant
Pressure Curve
Max Constant
Pressure Curve
Min Proportional Pressure Curve
DAYLIFF DQA is a revolutionary variable speed controlled circulator pump
designed for hot water circulation in heating, cooling and solar applications. The
pump is provided with a number of unique features:
• Variable Speed inverter technology that enables the pump to selectively
operate on a constant curve, proportional pressure where pressure is
adjusted according to system demand and constant pressure where
pressure remains constant irrespective of system demand.
• Three selectable speeds so the pump performance can be matched to
system requirements.
• Fully automatic function which continuously adjusts pump output to
system demand and thus optimises energy consumption.
• Display indicating power consumption and as well as alarm and
warning conditions.
Pump construction is cast iron for the pump housing, stainless steel for the rotor
can and composite plastic for the impeller. Pumps are supplied complete with BSP
union connections.
Congratulations on selecting a Dayliff DQ Circulator Pump . They are
manufactured to the highest standards and if installed and operated
correctly will give many years of efcient and trouble free service. Careful
reading of this Installation Manual is therefore important, though should
there be any queries they should be referred to the equipment supplier.
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