CLOSE CONTROL UNIT 50CJ
Accessories
■■ Support base for air supply via raised floor:
-- Bottom version (225 to 320 mm)
-- Top version (320 to 525 mm)
■■ Air supply plenum
■■ Acoustic plenum with sound trap
■■ Motorised damper on intake section
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Water leak detection
Fire thermostat
Hydraulic connection kit (chilled water and hot water coils)
LON gateway
C/O sensor
Options
■■ Electric heater
-- Fan-controlled operation
-- 2-stage control (3 kW electric heater excepted)
-- 2-stage or TRIAC control
-- Two high-limit safety thermostats with automatic and
manual reset
■■ Hot water coil
-- 1-row coil made of copper tubes with aluminium fins
-- 2- or 4-way control valve, fitted and connected
-- Optional flexible connections
■■ Humidifier
-- Immersed electrode humidifier with humidifier
information available directly on the Carrier CCU
Controller:
• Stainless steel large surface area electrodes
• 3 kg steam per hour, nominal flow rate < 3000 m3/h
• 8 kg steam per hour, nominal flow rate < 3000 m3/h,
• Steam cylinder in a single easy to remove
component
• Filling solenoid valves
• Drain pump
• Electronics board for operation management
• Diffusion jet
• Water supply connection kit
-- Operates on municipal water supply only (water
conductivity of between 350 and 1250 µS and hardness
15 to 30°F). Do not use deionised or softened water.
Control
CONTROLS
AIR TREATMENT
■■ Carrier CCU Controller
-- 160-character display showing the operating instructions,
operating states, faults and solutions. Configurable controller.
-- Two fault levels
-- Monitoring of operating times
-- RS 485 output with Jbus/ModBus protocol
-- Can manage rotations, backups and top-ups between units
-- LON gateway
-- C/O sensor
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