Comfort Circular Unit Heater Polaris Air Conditioner Sabiana s.p.a. • via Piave, 53 • 20011 Corbetta • Milano • Italy • phone +39.02.97203.1 r.a. / +39.02.97270429 / +39.02.97270576 fax +39.02.9777282 / +39.02.9772820 • www.sabiana.it • [email protected] Comfort Circular Unit Heater Polaris Air

Sabiana Comfort Vertical discharge circular unit heaters For all factory premises, either commercial or industrial, the efficient “COMFORT SABIANA” vertical discharge circular unit heater offers a practical and economical solution for space heating. They are available in ten sizes to a total of 100 various models for use with either Steam or Hot Water heating mediums, ranging in output from 13 kW to 200 kW depending upon the medium. Tests at 23 bars, they are suitable for use on Water with a working pressure of 10 bars and on Steam with a working pressure of 6 bars. The helicoidal fan is statically...

Unit heater identification Sabiana Comfort Versionwith PN 16 flanges SIZE The units with steam batteries are supplied with connections for welding; on request they can be supplied with flanges. Water: Steam: • Maximum hot water temperature = max. 140°C • Maximum working pressure = 6 bars • Maximum working pressure = 10 bars

Sabiana Comfort Sabiana Comfort

Installation examples Sabiana Comfort

Water 85-75°C Drop 10°C Entering air temperature 15°C Water 85-70°C Drop 15°C Entering air temperature 15°C * = The sound pressure levels dB(A) are measured at a distance of 5m, directional factor Q = 2, compliant with the EN 3744 standard. Correction factors ON REQUEST: double speed motor, single tension, double wiring, 1400/900 r.p.m. or 900/700 r.p.m. Thermal emission with motor running at 700 r.p.m.: Watt = 0.85 x Watt with motor at 900 r.p.m. Air = 0.70 x air flow with motor at 900 r.p.m.

Water 90-70°C Drop 20°C Entering air temperature 15°C Water 120-100°C Drop 20°C Entering air temperature 15°C * = The sound pressure levels dB(A) are measured at a distance of 5m, directional factor Q = 2, compliant with the EN 3744 standard. Correction factors ON REQUEST: double speed motor, single tension, double wiring, 1400/900 r.p.m. or 900/700 r.p.m. Thermal emission with motor running at 700 r.p.m.: Watt = 0.85 x Watt with motor at 900 r.p.m. Air = 0.70 x air flow with motor at 900 r.p.m.

Water 130-100°C Drop 30°C Entering air temperature 15°C Water 140-100°C Drop 40°C Entering air temperature 15°C * = The sound pressure levels dB(A) are measured at a distance of 5m, directional factor Q = 2, compliant with the EN 3744 standard. Correction factors ON REQUEST: double speed motor, single tension, double wiring, 1400/900 r.p.m. or 900/700 r.p.m. Thermal emission with motor running at 700 r.p.m.: Watt = 0.85 x Watt with motor at 900 r.p.m. Air = 0.70 x air flow with motor at 900 r.p.m.

Thermal emission Speed r.p.m. Tab. 7 Steam 0.5 bar Entering air temperature 15°C Tab. 8 Steam 3 bar Entering air temperature 15°C * = The sound pressure levels dB(A) are measured at a distance of 5m, directional factor Q = 2, compliant with the EN 3744 standard. ON REQUEST: double speed motor, single tension, double wiring, 1400/900 r.p.m. or 900/700 r.p.m. Thermal emission with motor running at 700 r.p.m.: Watt = 0.85 x Watt with motor at 900 r.p.m. Air = 0.70 x air flow with motor at 900 r.p.m.

Introduction Sabiana Polaris Introduction Sabiana Polaris Sabiana Polaris suspended circular air conditioners provide a simple solution to centralised air conditioning systems offering the following advantages: - Simple installation - Low equipment cost - Low user running cost - Flexibility in installation and project design - High capacity fans for distribution of cooling and heating systems for large commercial and industrial buildings - Minimum space is required for the units which can be suspended from the building roof supports, therefore not taking up valuable floor space, this type of...

Air conditioner Sabiana Polaris Mounting heights and area of air diffusion Operation limits Water: • Maximum hot water temperature = max. 140°C • Minimum chilled water temperature = min. 7°C • Maximum working pressure = 10 bars

Air conditioner Sabiana Polaris Technical characteristics Do not supply the air conditioners with water at temperature lower than 7°C.

Water pressure drop Water pressure drop in function of the water flow WATER FLOW Correction factors for temperatures different from 80°C Comfort and Polaris Sabiana Comfort installation instructions Sabiana Polaris - On cooling when the fan is inactive for long periods, it is required to shut off the chilled water supply to the coil using 2/3-way valves, electrically connected to the thermostatic control, to avoid condensation forming on the outside of the unit. - When installing the Comfort / Polaris appliances, a free space of around 50 cm must be left from the ceiling, so as to allow the necessary...

Electric motors characteristics Sabiana Comfort Electric motors characteristics Sabiana Comfort Double speed, double wiring motors LEGEND: Q1 Four poles Circuit Breakers with three poles protected by fuses Q2 Motor insertion power switch Q3 Motor high speed insertion power switch Q4 Motor low speed insertion power switch F1 Control circuit thermal protection F2 Thermal protection (Power switch Q2/Q3) F3 Thermal protection (Power switch Q4) S2 Speed commutation switch B1 Ambient thermostat Protect each motor with a motor protector set to a value of 1.10 - 1.15 of the rating current of the motor....

Electric motors characteristics Sabiana Comfort Sabiana PolarisTwo speed Delta-Star motors, 6/8 poles, three phase, 400 V, with Klixon thermic protection Comfort circular unit heaters and Polaris air conditioners are equipped with 6/8 poles electric motors. With these motors it is possible to reduce the speed changing the connection from delta to star. They are three phase, single voltage, 400V - 50Hz, protection IP 55, with klixon thermic protection. It is suggested that the electric connection is made in accordance with the diagram shown below. Connection A (HIGH SPEED) B1 Ambient thermostat...