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About this product

Description

The Tecumseh Europe Silensys SIL 4531 Z_3P is an outdoor condensing unit for high-temperature refrigeration in retail, warehousing, catering and industry. It comes ready for outdoor installation, covers HBP −15…+10 °C, works with R-404a or R-507 and takes a 3-400V-50Hz supply.

On board are a 3.9-litre receiver, sight glass, filter drier, crankcase heater, dual pressure switch, fan-speed controller and compressor contactor. The internal panel is factory-wired, the housing locks and a main switch is fitted. Speed-controlled fans, aerodynamically shaped blades and a sound-insulated compressor compartment help keep noise low.

Options include a manual-reset pressure switch and a receiver with relief valve. To EN13215, refrigerating capacity is 6956 W and power input 3068 W (data for the single-phase unit; three-phase figures may differ). Airflow 3500 m³/h; running current 5.8 A, maximum 7.0 A.

Sound power 70 dBA, noise level 39 dBA at 10 m and 45 dBA at 5 m. Brazed connections: 7/8″ (22 mm) suction, 1/2″ (12 mm) liquid.

Technical data

Specifications

Type
Outdoor condensing unit
Manufacturer
Tecumseh Europe
Model name
SIL 4531 Z_3P
Suction pressure
High suction pressure HBP -15°C..+10°C
Refrigerant
R-404a and R-507
Power consumption; W
3068
Refrigerating capacity to EN13215; W
6956
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
70
Noise level at 10 m / 5 m; dBA
39 / 45
Noise level note
Noise level is stated at maximum fan speed in free-field outdoor conditions according to EN13215: evaporating temperature +5°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
3500
Refrigerant receiver capacity; L
3,9
Rated running current; A / maximum running current; A
5,8 / 7,0
Suction line diameter
7/8" (22 mm)
Liquid refrigerant line diameter
1/2" (12 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
3-400V-50Hz
Warranty
12 months
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SIL 4531 Z_3P

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