Airwell SWS 1902 HFС 407C [21/82] Start up

Page 20

Start-up

5.3 Checking the operation

Check the following:

The temperature of the water entering the evapo-

rator.

The temperature of the water leaving the evapora-

tor.

The level of the water flow rate in the evaporator,

if possible.

The current absorption upon the start of the com-

pressor and in case of stabilised operation.

Check that the condensing and evaporation temper-

atures, during operation at high and low pressure

detected by the pressure gauges of the refrigerant,

are within the following range:

(On the units not provided with HP/LP pressure

gauges for the refrigerant, connect a pressure gauge

to the Schreader valves on the refrigeration circuit).

5.4 Delivery to the customer

Train the user according to the instructions provid-

ed in Section 6.

HP side

Approx 7 to 11°C above the inlet

water teperature of condenser, for

R407C units; approx 2 to 5°C

above the inlet water temperature

of condenser, for R134a units.

LP side

Approx 3.5 to 5°C below the tem-

perature of the leaving chilled wa-

ter, for R407C; approx 3.5 to 6°C

below the temperature of the leav-

ing chilled water, for R134a units.

Manuale SWS-SWR EN1.qxp 05/11/06 14:18 Pagina 20