Features Of Refrigerant System - Daikin LRYEQ16AY1 Service Manual

System Configuration
2.3

Features of Refrigerant System

Feature-1: Energy saving operation by controlling [3 evaporating temperatures] and [3 liquid refrigerant temperatures].
Feature-2: Energy saving operation by heat recovery of refrigeration system during heating operation.
Indoor unit for air conditioning
Refrigeration showcase: 5˚C
Refrigeration showcase: 5˚C
Evaporating
temperature -35˚C
Freezer showcase: -30˚C
0˚C 20˚C
(a) (b)
(d)
(f)
11
Evaporating
temperature 5˚C
Liquid temperature 35˚C
Evaporating
temperature -10˚C
Liquid
temperature 20˚C
Liquid temperature 0˚C
35˚C
(c) Condensing temperature:
Saturation temperature equivalent of
intermediate pressure: 10˚C
Evaporating temperature at
air conditioning side:
Evaporating temperature
at refrigeration side:
Evaporating temperature
at freezer side: -35˚C
Enthalpy (kcal/kg)
Performs cooling of liquid
refrigerant from 35˚C (c) to 20˚C
(b) with this evaporating heat.
<Plate type heat exchanger>
Pre-heat exchanger
Double pipe
heat exchanger
40˚C
(e)
0˚C
-10˚C (g)
Performs cooling of liquid
refrigerant from 20˚C (b) to 0˚C
(a) with this evaporating heat.
<Double pipe heat exchanger>
SiBE811001EB
Liquid temperature 40˚C
Plate type
heat exchanger
Compressor for air conditioning
(with economizer)
Compressor for refrigeration
(with economizer)
Compressor for freezer
CONVENI-PACK