Airwell VLS 704 [23/85] Checking the operation

Page 22

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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.

The fan’s current absorption.

Check that the condensing and evaporation tempe-

ratures, 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 gau-

ges for the refrigerant, connect a pressure gauge to

the Shrader valves on the refrigeration circuit).

5.4 Delivery to the customer

Train the user according to the instructions provi-

ded in Section 6.

HHPP ssiiddee

Approx. 15 to 21°C above the

temperature of the air entering the

condenser, for R410A units.

LLPP ssiiddee

Approx. 2 to 4°C below the tempe-

rature of the leaving chilled water,

for R410A units.

VLS-eng.qxp 12-04-2007 14:43 Pagina 22