MQH
OUTDOOR UNIT MQH 10-12-14-16-18
AIR-TO-WATER REVERSE CYCLE HEAT PUMPS 7 Cooling models From 5.4 kW to 17.8 kW 7 Heat Pump models From 6.1 kW to 20.1 kW OUTDOOR UNIT MQH 06-08
PRODUCT ADVANTAGES • High EER and environmental friendly refrigerant R410A with zero ODP (Ozone Depleting Potential). • Single-phase unit up to size 10. • ILTC microprocessor-based auto-adaptive control system allowing the use of reduced water volume (3.5 litres/kW). • BMS (Building Management System) interface, with ModBus protocol RS-485 connection, supplied as standard. • Integrated hydro kit complete with circulating pump and appropriate accessories supplied as standard to perform the package solution and the “plug & play” concept. Only external water tank and isolating valves are supplied as option. • Low ambient temperature control is standard, allowing the unit to operate in cooling mode at outdoor temperature down to -10°C.
POWER & CONTROL PANEL Each unit is supplied with a compact microprocessor featuring: • Auto-adaptive coolind ang heating set point. • Day & Night mode with 3 different selectable mode: - Energy saving - Low noise - Reduced noise • Auto-test function. • Fan moto variable speed control. 100
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Water pump motor on/off control. Evaporator antifreeze protection. Compressor heater protection. Display alarms, save latest 10 alarms record. Display water in/out temperature and compressor discharge pressure. • Remote on/off switch. • Remote heating/cooling selection mode. • Under floor system mode. Timer setting and compressor protection. • Integrated system of fault diagnosis and auto-diagnosis.
SAFETY DEVICE • • • • • • •
Fan motor internal overload protection. Compressor motor internal overload protection. Water differential pressure switch. High discharge pressure switch. Low suction pressure switch. Evaporator antifreeze electrical heater. Crankcase heater.