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5.4 Altering the flow temperature from the heat pump
Each heat pump has a dedicated control unit which can be interrogated to view various parameters, alter
the heat pump outlet flow temperature and indicate faults/alarms.
2.Heating
symbol
2.Cooling
symbol
1. Floor return
temperature
The display normally reads the temperature of the water returning from the heating distribution system.
The controller will turn the heat pump off once a pre-set temperature of water returning from the heating
system has been achieved. This setting is normally 30
underfloor application, however should be checked against the underfloor design temperature.
The Kensa Plantroom Range of heat pumps are delivered with the software pre-configured for a typical
underfloor mounted in screed application.
1.
The display on the controller indicates the return temperature of the underfloor circuit.
2.
The left hand symbols, sun, (top left) and frost, (bottom left) indicate heating & cooling respectively
(Heating only heat pumps will only use the sun symbol and cooling heat pumps only the frost
symbol. Reverse cycle machines will use both symbols, the one being displayed being dependant on
the operating mode selected at the time.)
Sun symbol—heating mode
Frost symbol—cooling mode
3.
A number "1" will appear top right of controller, if the
activated and compressor is waiting to run. When the compressor is running the number "1" and
the compressor run symbol will be on.
Compressor running
Plant Room Heat Pump Manual Version 11.1
Page 25 of 34
n.b. the numbers above refer to the points below.
Fig 16 Heat pump display
o
C. These are typical return temperatures for an
number "1" is flashing the internal timer is
3.Compressor
number
3.Compressor
run symbol
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