i-HWAK V4
Chillers and inverter air / water heat pumps with axial fans
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compressor, of the pump and of the fan (2 fans for the models: 14, 14T and 16T) according to the value of cooling power at any
working conditions requested by the user.
5.9
MONITORING AND PROTECTION DEVICES
All units are standard supplied with the following monitoring and protection devices: return water temperature sensor installed at
the return water pipe line from the plant, operating and antifreeze sensor installed at the outlet pipe of the water to the plant,
high pressure transducer, low pressure transducer, compressor’s inlet and outlet temperature sensors, compressors thermal
protection device, fans thermal protection device, water side installed water flow switch to protect the evaporator, high pressure
HP flow switch.
5.10
HYDRAULIC CIRCUIT
The
i-HWAK V4
chillers units are supplied with an integrated hydraulic circuit including: circulating pump with high efficiency DC
brushless motor (EEI≤0,23 for the sizes 14 and 16 kW, however for 06, 08, 10 and 12 kW EEI≤0,20), suitable for chilled water
utilization and directly run by a controller on board, plate heat exchanger, expansion vessel (The expansion vessel capacity
depends on the size of the unit, refer to the technical data shown in chapter 12), safety valve (6 bar) that have to be connected
with a colleting tank, the manual air release valve and the flow switch.
5.11
FAN SPEED CONTROL
This type of control is managed by the microprocessor and is necessary for optimizing
the pressure
of
evaporation/condensation
during
summer/winter
operation in order to allow proper running of the unit.
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AVAILABLE VERSIONS
i-HWAK V4
reversible heat pump with integrated hydronic system (expansion vessel, safety valve, pressure gauge, modulating
pump, flow switch, manual air release valve, load/unload valve).
Available models are: 06, 08, 10, 12, 14, 14T e 16T kW. The size of 14 kW is available in single-phase and three-phase electric
power, while the size 16 kW is availavle as a three-phase electric power unit. However the other sizes are all single-phase electric
power units.
The code unit is composed of:
no. 7 fixed digits
the “#” symbol is a separator
no. 5 variables digits (fields) identify the sizes, power supply and factory installed accessories
no. 1 fixed digits equal to 0, not used for instance
nr. 5 variables digits (“MC” files) for identiying the i-HWAK V4 series in its eventual customizations
0110416#(VR)(AE)(CT)(KA)0(MC).
MAIN CODE
VERSION OF THE UNIT
POWER SUPPLY
OUTPUT CAPACITY
KIT ANTIGELO
0110416#
VR
AE
CT1
KA
2
V4
0
Single-phase
1
3-phase
16
06 kW (*)
17
08 kW (*)
18
10 kW (*)
19
12 kW (*)
20
14 kW
21
16 kW (**)
0
Without antigel kit
1
With antigel kit
(*) not valide for AE=1
(**) not valide for AE=0
Accessory name:
Field
Variant
Description
Name
KA
1
The antifreeze kit uses a self-regulating heating cable wrapped around the
basement of the outdoor unit near the condensing coil and two in PET heaters
placed on the faces of the plate heat exchanger.
KA
WARNING: The antifreeze kit is an optional factory-installed accessory and cannot be mounted after purchasing
the unit.
