C COP: Coefficient of performance
C
S
Threshold coefficient of performance
T Outdoor temperature
T
1
HP051 parameter: Minimum outside temperature below which
Heat Pump is stopped
T
2
HP000 parameter: Outside bivalence temperature
10.5.7 Configuring a convection fan or underfloor cooling
This function is only available when the type of circuit selected is under
floor heating or convection fan: CP020 parameter set to 2 or 5.
Important
The heating should be activated in order for the cooling to func
tion.
1. Go to the Installer menu.
2. Access the Installer menu by entering the code 0012 by pressing the
and keys.
3. Confirm access by pressing the
key.
4. Access the EHC–04 PCB parameters by pressing the or key.
5. Select the AP028 parameter corresponding to cooling by pressing
the or keys.
6. Confirm by pressing the
key.
7. Select value 1 by pressing on the to activate the cooling function.
8. Confirm by pressing the
key.
9. Go back to the main display by pressing
h
.
10. Program the desired cooling hours in the menu, circuit A or B,
TP.C sub-menu.
11. Go back to the main display by pressing
h
.
12. If necessary, force cooling or configure cooling temperatures in the
User menu, circuits A and B:
Tab.62
Parameter
Description
AP015
Force manually the heat pump in cooling mode
AP016
Activating/deactivating heating: deactivating heating also deactivates cooling.
CP270
Mixing flow temperature setpoint cooling of the zone
CP280
Fan flow setpoint cooling of the zone
13. Check the setting for the CP690 parameters according to the ther
mostat or room sensor used.
Fig.113 Influence of outdoor temperatures
and bi-valency.
+
T
1
T
2
T
C
C
S
+
T
1
T
2
T
C
C
S
T
1
T
2
T
C
C
S
MW-5000542-1
Fig.114
MW
-4
0
0
0
1
9
7
-2
Fig.115
MW-6000366-3
10 Settings
94
AWHP-2 iMPI
7685645 - v04 - 07032018