i-32V5H MIDI
Chiller and Inverter Air/Water heat pumps with axial fan
7
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Phase sequence control relays;
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Phase sequence control relay with minimum/maximum voltage setting (optional);
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Thermostatically controlled ventilation inside the electrical panel;
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GI module - system management. (optional or for versions that require it).
The control section includes:
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Interface terminal with alphanumeric display;
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Display function for set values, analogue inputs, fault codes, alarm history and parameter index;
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Key on/off and alarm reset;
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Key combinations to force defrost and force pump to maximum speed;
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Management of unit start-up from local or remote;
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ModBus connectivity (optional);
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BMS connectivity via converter
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BMS connectivity (ModBus/Bacnet/Knx/Lonworks) - optional.
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BMS connectivity (ModBus/Bacnet/Knx/Lonworks) - optional.
1.8
CONTROL AND PROTECTION DEVICES
All units are equipped as standard with the following control and protection devices: inlet water temperature probe installed on the water return
pipe from the system, outlet water temperature probe that also functions as an anti-freeze probe installed on the water supply pipe to the sys-
tem, high pressure transducer, low pressure transducer, compressor suction and discharge temperature probes, compressor thermal protection,
fan thermal protection, flow switch on the water side to protect the evaporator, high pressure switch.
1.9
HYDRAULIC CYRCUIT
The units in the series are supplied with a built-in hydraulic circuit that includes: high-efficiency brushless motor modulating circulator (EEI≤0.23),
suitable for the use of chilled water and directly controlled by the on-board control, plate heat exchanger, protection flow switch, safety valve
(6 bar) to be connected to a collection system and manual air vent valve.
2. DESCRIPTION OF VERSIONS AND ACCESSORIES
2.1
VERSIONS
The available versions are:
i-32V5H Midi - heat pump standard version
i-32V5H-DS Midi - heat pump with superheater
The unit with desuperheater includes the addition of a brazed plate type heat exchanger made of AISI 316 stainless steel, factory insulated using
closed cell material. This version allows to recover about 20% of the condensing heat otherwise lost and to use it to feed the after-heating water
coils of an AHU or for a hot water flywheel or for any other process use.
Attention: in the DS version is not possible to connect the domestic hot water tank remote probe
i-32V5H-BT Midi - chiller BT version (for low water temperature)
The BT version of the unit allows the operating range of the unit to be extended by cooling the water supplied to the user down to -8°C. In this
case, a mixture of water and glycol is used.