Maxa - Pompe di calore & Gamma industriale 2022

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Inseriti all’interno dell’unità, una pompa in funzione e l’altra

in stand-by. Ad ogni richiesta di accensione viene attivata per

prima la pompa con meno ore di funzionamento.

Resistenza antigelo evaporatore. Ad intervento termostatato.

Resistenza antigelo evaporatore e serbatoio. Ad intervento

termostatato.

Resistenza antigelo evaporatore, singola pompa e tubi. Ad

intervento termostatato.

Resistenza antigelo evaporatore, doppia pompa e tubi. Ad

intervento termostatato.

Resistenza antigelo evaporatore, serbatoio, singola pompa e

tubi. Ad intervento termostatato.

Resistenza antigelo evaporatore, serbatoio, doppia pompa e

Inverter su un compressore. Il dispositivo permette di avviare

gradualmente l’unità e ne migliora l’efficienza ai carichi parziali.

Inverter su tutti i compressori. Il dispositivo permette di avviare

gradualmente l’unità, ne migliora l’efficienza ai carichi parziali e RP

riduce considerevolmente le correnti di spunto.

Soft start. Per la limitazione della corrente di spunto

all’avviamento del compressore.

Web Monitoring. Permette il monitoraggio e la gestione

remota dell’unità tramite protocollo di comunicazione GPRS/

EDGE/3G/TCP-IP. Gli utenti abilitati all’utilizzo di questo

servizio pos- sono, tramite opportuna paginaWeb, accedere

alle attività di Monitoring, Gestione e Statistica.

Protocollo Modbus RTU, interfaccia seriale RS485.

ISB

Protocollo BACnet MSTP, interfaccia seriale RS485.

Factory fitted accessories

Automatic circuit breakers. Alternative to fuses and thermal relays. FH

Unit silencement.The compressors are equipped with sound-

absorbing covering.

Condensing control down to -20 °C. Obtained by continuous

adjustment of the fan rotation speed for outside air

temperatures down to –20 °C.

Low water temperature kit. Required in case of unit’s operation II

with the evaporator’s outlet water temperature below 5 °C.

EC Inverter fans. Axial fans directly coupled to a three-phase ID

electric motor with external rotor. A safety fan guard is fitted

on the air flow discharge.

ECH

EC Inverter fans with high ESP. Axial fans directly coupled to SS

an Inverter three-phase electric motor fitted with an enhanced WM

nozzle to increase both efficiency and available static

pressure, with a range from 60 to 110 Pa. A safety fan guard

is fitted on the air flow discharge.

Desuperheater. Heat recovery of 20%.

HRT/S Total heat recovery in series. Heat recovery from 70% to 95%, IS

according to the working conditions.

ISB

HRT/P Total heat recovery in parallel. Heat recovery of 100%.

ISBT

Coil with pre-coated fins.

ISL

TXB

Coil with epoxy treatment.

IAV

Inertial tank.

Single circulating pump. Installed inside the unit.

IAA

PUI

Inverter single circulating pump. Installed inside the unit.

Double circulating pump. Installed inside the unit, one pump

IAS

in operation and the other one in stand-by mode. At every start

request, the pump with less operating hours is activated first.

IDL

PDI

Inverter double circulating pump. Installed inside the unit, one

pump in operation and the other one in stand-by mode. At

tubi. Ad intervento termostatato.

ISBT

Protocollo BACnetTCP/IP, porta Ethernet.

ISL

Protocollo LonWorks, interfaccia seriale FTT-10.

IAV

Set-point remoto con segnale 0-10V. Permette di variare,

tramite segnale digitale, il set-point di lavoro dell’unità.

IAA

Set-point remoto con segnale 4-20 mA. Permette di variare,

tramite segnale analogico, il set- point di lavoro dell’unità.

IAS

Segnale remoto abilitazione secondo set point. Permette di

attivare da remoto il secondo set- point.

IDL

Limitazione potenza da ingresso digitale. Permette di limitare

la potenza assorbita dell’unità.

Contatti puliti. Per segnalazione a distanza.

Accessori forniti separatamente

every start request, the pump with less operating hours is

activated first.

SPU

Inertial tank and single circulating pump. Installed inside the unit.

SPUI

Inertial tank and Inverter single circulating pump. Installed

inside the unit.

SPD

Inertial tank and double circulating pump. Installed inside

the unit, one pump in operation and the other one in stand-

by mode. At every start request the pump with less operating

hours is activated first.

SPDI

Inertial tank and Inverter double circulating pump. Installed

inside the unit, one pump in operation and the other one in

stand-by mode. At every start request the pump with less

operating hours is activated first.

Antifreeze heater for evaporator.With thermostat intervention.

Antifreeze heater for evaporator and tank. With thermostat

intervention.

Antifreeze heater for evaporator, single pump and pipes. With

Manometri di alta e bassa pressione. Uno per ogni circuito frigorifero.

Pannello comandi remoto. Da inserire in ambiente per il

comando a distanza dell’unità, con funzioni identiche a quello

inserito in macchina.

Reti protezione batterie. In acciaio con trattamento di cataforesi

e verniciatura.

Antivibranti in gomma. Da inserire alla base dell’unità per

smorzare eventuali vibrazioni dovute al tipo di pavimento ove la

macchina è installata.

Antivibranti a molla. Da inserire alla base dell’unità per

smorzare eventuali vibrazioni dovute al tipo di pavimento ove la

macchina è installata.

Flussostato. Inserito a protezione dell’evaporatore da possibili

interruzioni del flusso d’acqua.

thermostat intervention.

Antifreeze heater for evaporator, double pump and pipes.

With thermostat intervention.

Antifreeze heater for evaporator, tank, single pump and pipes.

With thermostat intervention.

Antifreeze heater for evaporator, tank, double pump and

pipes. With thermostat intervention.

Inverter on one compressor.The device allows to improve the

unit’s efficiency at partial loads.

Inverter on all compressors. The device allows to start

gradually the unit, it improves the efficiency at partial loads

and it reduces considerably the starting current.

Soft start.To reduce compressor starting current.

Web Monitoring. It enables monitoring and remote

management of the system through communication

protocols, GPRS/EDGE/3G/TCP-IP. Using a specific web

page, authorized users of this service may access to the

Monitoring, Management and Statistics.

Modbus RTU protocol, RS485 serial interface.

BACnet MSTP protocol, RS485 serial interface.

BACnetTCP/IP protocol, Ethernet port.

LonWorks protocol, FTT-10 serial interface.

Remote set-point, 0-10 V signal. It allows to vary the operating

set-point of the unit through a digital signal.

Remote set-point, 4-20 mA signal. It allows to vary the

operating set-point of the unit through an analogue signal.

Remote signal for second set-point activation. It allows to

activate remotely the second set- point.

Demand limit from digital input. It allows to limit the unit

absorbed power.

Potential free contacts. For remote alarm and control.

Pompe di Calore & Gamma Industriale 2022

Loose accessories

High and low pressure gauges. One for each refrigerant circuit.

Remote control panel.To be included in the room for remote

control of the unit, with the same functions as that inserted in

the machine.

Coils protection metallic guards. In steel with cataphoresis

treatment and painting.

Rubber vibration dampers.To be inserted at the bottom of the

unit to dampen possible vibrations due to the type of floor

where the machine is installed.

Spring shock absorbers.To be inserted at the bottom of the

unit to dampen possible vibrations due to the type of floor

where the machine is installed.

Flow switch. Inserted to protect the evaporator from possible

water flow interruptions.