RHOSS UTNA - Model Platinum 013÷120 -Modular and Ductable Air Handling Terminal Units

•  Routine machine maintenance from the bottom (for the horizontal version with installation in false ceiling or hanging from ceiling) or frontally (for the vertical version) with removable panels.
• • BA Coil module (horizontal) / BAV coil module (vertical up to size 050) complete with: G4 standard filter, optional fine F7 filter. All filters are supplied complete with differential pressure switch to signal filter clogging condition in compliance with European regulation no. 1253/2014.
• Finned coil heat exchanger, in copper pipes and 2 rows of aluminium fins for heating or reheating only and 4-6 rows for cooling and/or heating with right or left connections to be selected on order. Condensate drain pan in aluminium both for horizontal BA4R and BA6R versions and vertical BAV4R and BAV6R versions.
• SV fan module complete with centrifugal plenum fan EC Brushless single suction directly coupled to electric motor. Static and dynamic balancing of the entire assembly, constructed in accordance with standard DIN ISO 1940. Degree of balancing G6.3. Standard control of the rotation speed via special 0-10V analogue input. Electrical connection panel fitted as standard complete with disconnect switch, protection fuses and connecting terminal block.

Accessory Modules

• PMA - Intake/outlet plenum with pre-cut side outlets.
• SIL - Plenum with absorbent cartridge silencer to be placed on supply or intake.
• MUV-PRV - Plenum with steam humidifier and external electric generator.
• BE - Additional electrical coil for channel connection.

Factory Mounted Accessories

• SG - Optional drop separator at low load losses in polypropylene.
• TAG - Optional antifreeze thermostat.

Separately supplied accessories

• KSG - Drop separator at low load losses in polypropylene (only for BA).
• KTAG - Antifreeze thermostat (only for BA).
• KSER - Kit in combination with PMA consisting of: damper with aluminium blades and frame, fitted with seal gasket, certified class 2 according to En 1751 for fresh air (max 30%) or recirculated air and a fastening panel to PMA module. The damper is sized for treating up to 100% of the UTNA air capacity and may be positioned at the front, top or bottom of the PMA.
• KMS - Manual control for KSER damper.
• KB2R - Separately supplied additional reheat coil.

Controls

• KPTZ - Rotating potentiometer for wall installation, for manual fan speed control. The speed of supply and return fans is calibrated with a single potentiometer.
• KTVDIM - Electronic control panel with display, for semi-recessed wall installation, including ON/OFF button, MODE, 3 Speeds+AUTO, SETPOINT change; auxiliary contacts to control ON/OFF valve in 2-pipe and 4-pipe systems; summer/winter switchover; manual/automatic/from contact; continuous/thermostat ventilation; configurable digital inputs (SCR, ECO, SIC, ALARM), weekly time bands management., complete with RS485 resident serial interface (Modbus RTU protocol).
• KRCA1 - Electronic control panel with display, for semi-recessed wall installation, including ON/OFF button, MODE, 2 Speeds, SETPOINT change; summer/winter switchover from button or remote digital input; continuous ventilation, weekly time bands management room probe; 3 analogue outputs to control modulating fan, 1 or 2 modulating valves in 2-pipe or 4-pipe systems, modulating damper; 1 auxiliary contact to control on/off electric heater (1 stage) in 2-pipe systems + electrical heater; 2 configurable digital inputs and 2 configurable analogue inputs. Compete with RS485 resident serial interface (Modbus RTU protocol).

Full Control Checks

• KRFCS - Electrical panel complete with: DDC programmable microprocessor regulator. BMS interfacing Integrated as standard with Modbus RTU protocol, main disconnecting switch, relay to control various users, terminal blocks for quick connection of all machine components, auxiliary circuit supply with suitable transformer 230/12-24V.

USER PANELS (for KRFCS)

• KHMIG -Interface terminal with black monochrome graphic display with LED backlighting.
• KHMIR - Interface terminal complete with integrated room temperature probe with black monochrome graphic display with LED backlighting.
• KTOUCH - Black and white touch screen control panel.
• KCOLOR - Colour touch screen control panel.
• KCW - White decorative plate for control panel.
• KCB - Black decorative plate for control panel.
• KWMS - Wall mounting installation support for control panel.

Valves and actuators

• KV3V - PN40 Mixer/diverter 3-way regulation ball valves, female threaded hydraulic connections.
• KV2V - PN40 2-way regulation ball valves, female threaded hydraulic connections.
• KVMM - Actuator for ball regulation valves with modulating control 0/10 Vdc 24 Vac power supply.
• KV0M - Actuator for On/Off 230V valves.
• KDMA-S - Actuator for modulating damper 0-10V 24V with spring return.
• KDMA - Actuator for modulating damper 0-10V 24V without spring return.
• KDOA - Actuator for ON/OFF damper with spring return.

All the probes, actuators and valves you can find in the Full Control section are also available.