AHI Carrier Catalog | Page 781

VERTICAL PACKAGE AIR CONDITIONNERS 50NZ/NF 80-320 Options ■■ Outdoor environment -- Copper tube and copper fins coil, or aluminum polyurethane-coated fins. ■■ Asemblies with mixing box and free-cooling -- 2 dampers (motorised): outdoor air intake with damper, interlocked with return damper. -- 3 dampers (motorised): centrifugal return fan. -- Condensation pressure control with damper. ■■ Confort / heating -- Electrical heaters support. With this option, the air flow controller is included. -- Hot water support coil. With this optional the thermostat anti-frost is obligatory as safety system, in case of exterior assembly or with free-cooling, if the unit works with low outdoor temperatures. ■■ Acoustic B MSL0 A' A B' -- Compressor acoustic isolation. MCLO A ■■ Control / communication -- Change to CARRIERrtc medium version (models 80 to 160). -- Options of the CARRIERrtc basic & medium control. E N C C' ■■ Installation -- Switchable supply and return position of the indoor circuit. -- Asemblies with mixing box and free-cooling (see enclosed diagram). -- Antivibration mounts made of rubber. R B Air circulation B' Denomination Mwxy R = Return E = Extraction S = Simple (2 dampers) 0 = Standard N = New inlet C = Centrifugal return fan L = Flow in “L” Different assemblies M00 M01 M10 M11 Denomination Mxy Supply 0 = Standard 1 = Optional Return 0 = Standard 1 = Optional AIR TREATMENT ■■ Safety -- Differential pressostat for the detection of clogged filters. -- Differential pressostat for control of air flow. -- Smoke detecting station. -- Air quality probe for installation in the environment to enable measuring CO2 and/or volatile compounds. Indoor air circuit CONTROLS Outdoor air circuit C A R R I E R 2 0 1 6 / 2 0 1 7 781