Airedale EcoChill 6kW - 46kW - Manual (Page 18)

18 EcoChill Installation Manual 7481930_v1.6.0_08_2013
ECL-ECLH 020-202
EN
8. OPERATING LIMITS
Note:
8 In SUMMER mode the unit can be started with
external air 46°C and inlet water 35°C.
In WINTER operation the unit can be started with
external air -15°C and inlet water 20°C.
Operation in these conditions is only permitted for
a short time and to bring the system to operating
temperature.
To reduce this operating time it is recommended
to install a three way valve to allow water to be
bypassed from the system, until the permitted
operating limits of the unit are reached.
8.1. COOLING MODE 8
8.3. HEATING MODE 8
The units in standard configuration are not suited for
installation in saline environments.
For the operating limits refer to the diagrams which are
valid for Δt= 5K.
8.2. COOLING MODE FOR CONDENSING UNIT VERSIONS "C"
Ex
ternal air t
emper
atur
e °C db
Ex
ternal air t
emper
atur
e °C db
Leaving water temperature EVAPORATOR °C
EVAPORATING temperature °C
-10
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
-9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
46 46
-10
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
-9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
46 46
25
20
15
30
35
40
45
50
55
60
-10 -5 0 5 10 15 20 25 30 35 40 45 50
42 °C
50 °C 50 °C
External air temperature °C db
CONDENSER lea
ving w
at
er
temper
atur
e
Standard operation
Operation with DCPX
accessory
Operation
with glycol
Operation with glycol
and DCPX accessory
Operation with DCPX
accessory
Thermostatic valve ° Y Z
Operation with DCPX
accessory
WARNING
If operation outside of these limits
is required we first recommend
contacting our commercial techni-
cal services.
WARNING
If the unit is installed in particu-
larly windy locations the provision
of wind barriers may be necessary
to avoid malfunctions.
REFRIGERANT SIDE
High pressure
side
Low pressure side
Maximum permitted pressure bar 42 25
Maximum permitted temperature °C 120 52
Minimum permitted temperature COOLING ONLY VERSIONS °C -10 -16
Minimum permitted temperature HEAT PUMP VERSIONS °C -10 -10
8.4. MAXIMUM RATINGS