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12 - OPTIONS
Cooling mode operating range
60
55
50
Part load, all sizes
46
45
Part load, RQ only
Part load, RQ only
44
40
35
30
25
20
15
10
5
0
-5
-10
-15
-20
40
45
50
55
Desuperheater water outlet temperature (°C)
Notes
1. Desuperheater water type heat exchanger ∆T = 10K.
2. The hydraulic and/or water type heat exchanger module must be must be protected against frost (option 41 or 42A or 42B) or the loop must be protected with by an
antifreeze solution for outdoor temperatures < 0 °C.
However, the customer is responsible for protecting the desuperheater water type heat exchanger water loop at outdoor temperatures below 0 °C
3.
These ranges are guidelines only. Verify the operating range with the electronic catalogue.
Key
Operating range at full load
Extension of the operating range, 30RBP/RQP unit: frost protection required (see note 2).
Heating mode: part load at inlet air temperature between -10 and -15 °C.
Cooling mode: part load at inlet air temperature above 46 °C.
Limited desuperheater power.
Operating range at part load for RQ only with limited desuperheater power.
Potential load shedding before defrosting during the frosting cycle, depending on the humidity conditions.
Limited desuperheater power. Please refer to the selection in the electronic catalogue.
Desuperheater not operational
Limited desuperheater water outlet temperature
62
60
65
70
75
80
85
Heating mode operating range
40
35
DSH
OFF
30
25
20
15
10
5
0
-5
-10
Part load
-15
-20
15
20
25
30
35
40
Heat pump water outlet temperature (°C)
45
50
55
60
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