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Description

The Tecumseh Europe SIL 2446 Z is an outdoor condensing unit for low-temperature refrigeration (LBP −40…−10 °C) with R-404a or R-507. As a Silensys unit it leaves the factory ready for outdoor installation and suits freezer systems in shops, warehouses, fish shops and industry.

Equipment includes a refrigerant receiver, sight glass, filter drier, crankcase heater and HBP/LBP dual pressure switch. The fan-speed controller and compressor contactor are wired with the rest of the electrics to the internal panel. A lockable housing, main switch and brackets for upright or horizontal mounting are standard.

Optional extras are a manual-reset dual pressure switch and a receiver with relief valve. To EN13215 the unit gives 711 W of refrigerating capacity and draws 667 W (20 °C superheat, 3 K subcooling). Supply 220–240 V / 50 Hz; running current 4.5 A, maximum 6.0 A.

Airflow 1600 m³/h, receiver 1.5 l. Sound power 62 dBA; noise 31 dBA at 10 m and 37 dBA at 5 m. Brazed connections: 1/2″ (12 mm) suction, 3/8″ (10 mm) liquid.

Technical data

Specifications

Type
Outdoor condensing unit
Manufacturer
Tecumseh Europe
Model name
SIL 2446 Z
Suction pressure
Low suction pressure LBP -40°C..-10°C
Refrigerant
R-404a and R-507
Power consumption; W
667
Refrigerating capacity to EN13215; W
711
Refrigerating capacity note
Standard EN13215: refrigeration capacity is stated at suction gas superheat 20°C and liquid refrigerant subcooling 3K. Capacity is stated for a 1-phase unit. Data may differ for a 3-phase unit.
Sound power level; dBA
62
Noise level at 10 m / 5 m; dBA
31 / 37
Noise level note
Noise level is stated at maximum fan speed in free-field outdoor conditions according to EN13215: evaporating temperature -35°C, suction gas superheat 20°C, liquid refrigerant subcooling 3K and ambient air temperature +32°C. Tecumseh Europe uses the EN ISO 3743-1 noise measurement standard to bring published noise data as close as possible to on-site conditions.
Airflow; m³/h
1600
Refrigerant receiver capacity; L
1,5
Rated running current; A / maximum running current; A
4,5 / 6,0
Suction line diameter
1/2" (12 mm)
Liquid refrigerant line diameter
3/8" (10 mm)
Pipe connections
Brazed connections
External dimensions: length / width / height; mm
-
Gross and net weight; kg
-
Standard equipment
Refrigerant receiver, liquid refrigerant sight glass, liquid-line filter drier, crankcase heater, HBP/LBP dual pressure switch, fan-speed controller and compressor contactor. Internal electrical components pre-wired to the control panel. Lockable housing, main switch and mounting brackets for vertical or horizontal installation. Fan-speed control, aerodynamically shaped fan blades and sound insulation in the compressor compartment help reduce noise while supporting airflow.
Optional accessories
HBP / LBP dual pressure switch with manual reset; refrigerant receiver with a safety relief valve.
Voltage
1-220V/240V-50Hz
Warranty
12 months
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SIL 2446 Z

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