Integrated hydronic module (option) - Low or high-pressure water pump (as required) - Single or dual pump (as required) with operating time balancing and automatic changeover to the back-up pump if a fault develops - Water ﬁlter protecting the water pump against circulating debris - Pressure transducers for direct numerical display of the water ﬂow rate and water pressures - Thermal insulation and frost protection down to -20 °C, using an electric resistance heater (option) - High-capacity membrane expansion tank (option). Integrated hydronic module with Greenspeed® variablespeed pump (option recommended by Carrier) - Easy and fast electronic setting of the nominal water ﬂow at unit commissioning thus eliminating the water ﬂow control valve adjustment - Automatic control of the pump speed based on constant speed, constant pressure difference or constant temperature difference. Simpliﬁed electrical connections - A single power supply point without neutral - Main disconnect switch with high trip capacity - 24 V control circuit without risk from a transformer included. Fast unit commissioning - Systematic factory test before shipment - Quick-test function for step-by-step veriﬁcation of the instruments, electrical components and motor.
State-of-the-art concept - Two independent refrigerant circuits; the second one automatically takes over, if the ﬁrst one develops a fault, maintaining partial cooling under all circumstances - All compressor components are easily accessible on site minimising down-time - All-aluminum Novation® micro-channel heat exchanger (MCHE) with higher corrosion resistance than a conventional coil. The all-aluminum construction eliminates the formation of galvanic currents between aluminum and copper that are responsible for the coil corrosion in saline or corrosive atmospheres. - V-coil design to protect the coils against hail impact - Optional Enviro-shield anti-corrosion coil coating for use in moderately corrosive environments. Coating applied through conversion process which modiﬁes the surface of the aluminum producing a coating that is integral to the coil. Complete immersion in a bath to ensure 100% coverage. No heat transfer variation, tested 4000 hours salt spray per ASTM B117. - Optional Super Enviro-shield anti-corrosion coil coating for use in extremely corrosive environments. Extremely durable and ﬂexible epoxy polymer coating applied on micro channel heat exchangers by electro coating process with a ﬁnal UV protective topcoat. Minimal heat transfer variation, tested 6000 hours constant neutral salt spray per ASTM B117, superior impact resistance per ASTM D2794. - Optional IP54 protection level of compressor control boxes and cabinet fan to guarantee safe operation in hot, dusty, sandy environments - Electronic ﬂow switch. Auto-setting according to cooler size and ﬂuid type. Auto-adaptive control - Control algorithm prevents excessive compressor cycling and permits reduction of the water quantity in the water loop (Carrier patent) - Automatic compressor unloading in case of abnormally high condensing pressure - Automatic fan speed adjustment in case of coil fouling (30RBP models) - Smooth fan start to increase unit lifetime (30RBP models). Exceptional endurance tests - Partnerships with specialised laboratories and use of limit simulation tools (ﬁnite element calculation) for the design of critical components - Transport simulation test on an endurance circuit based on a military standard.
Reduced installation costs
Optional Greenspeed® variable-speed pump with hydronic module (option recommended by Carrier) - Elimination of the water ﬂow control valve cost - Water system design with variable primary ﬂow (VPF) can provide signiﬁcant installation cost savings compared with traditional constant primary-variable secondary systems; elimination of the secondary distribution pump, etc. - Water system design with fan coils ﬁtted with 2-way valves instead of 3-way valves. Buffer tank elimination due to the advanced Carrier