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Access 5.3 |
Reversible HP Supply air - Extract air |
Variable |
Available options & Selection |
Note |
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Enable and configure Heat pump sequences |
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Configuration > Functions > Function activation > Heating/Cooling sequence setup > SEQ-G Heating 2 |
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Name |
Heating 2 |
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Type of sequence |
| Heating | |
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Type of heater |
| DX | |
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... |
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Configuration > Functions > Function activation > Heating/Cooling sequence setup > SEQ-H Cooling 2 |
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Name |
Cooling 2 |
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Type of sequence |
| Cooling | |
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Type of heater |
| DX | |
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... |
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Combine Heat pump sequences under changeover function |
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Configuration > Functions > Function activation > Heating/Cooling sequence setup > Changeover 1 |
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Name |
Changeover 1 |
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Changeover sequence for heating |
Heating 2 |
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Changeover sequence for cooling |
Cooling 2 |
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Type of changeover |
| Reversible heat pump Supply air-Extract air | |
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Configuration of Modbus connected Heat pump |
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Configuration > System settings > Communication Devices > Device 20 |
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Type |
| Heat pump | |
Select type of the connected device (Heat pump) |
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Brand |
| 1 Circuit | 1 Circuit with Boost heater | 2 Circuit | 2 Circuit with Boost heater | |
Select type of the Heat pump |
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Refrigerant type |
| R410A | R454B | |
Select type of refrigerant used in the HP |
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Address |
[0] > [54] |
Enter the same address as configured in the Heat pump |
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Function |
| Select | Exp1 | Exp2 | Exp3 |... |
Assign function (Spare expansion unit number) |
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Heat pump sequence |
| Changeover 1 | |
Select the changeover sequence to be related to the operation of the heat pump |
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Name |
[Device 20] > [Heat pump] |
Change default name to more informative |
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Communication type |
| RTU | TCP | |
- |
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Communication port |
| Ext-link | BMS | Int-link 1 & 2 | |
Select port for communication to the device |
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Heat pump configuration |
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Configuration > Functions > Heat pump |
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Heat pump request mode |
| Reversible | Only cooling | Only heating | |
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Increase air flow extract air fan to avoid heat pump - high pressure alarm |
| No | Auto | |
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Heat pump reduce mode - delay time before next sequence |
[60] s |
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Boost heater capacity |
[0.0] kW |
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Compensation offset curves -> |
Frosting prevention function to increase heating capacity in the lower air flow range and low temperatures (see table bellow) |
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Gas evacuation setup -> |
Function available if R454B or R290 is selected as refrigerant type |
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Variable |
Available options & Selection |
Note |
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Heat pump configuration |
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Configuration > Functions > Heat pump > Flow compensation curve -> |
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Max total compensation |
[-2.5] |
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Actual compensation |
0 |
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Flow compensation curve |
Flow |
Compensation |
Reduction of pressure in the Heat pump refrigerant system at low air flow |
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Lowest points |
[2000] m3/h |
[-1.1] bar |
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Middle points |
[4160] m3/h |
[-0.5] bar |
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Highest points |
[6318] m3/h |
[0.0] bar |
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Exchanger-outdoor compensation curve |
Temperature |
Compensation |
Reduction of pressure in the Heat pump refrigerant system at low outdoor air temperature |
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Lowest points |
[-20] oC |
[0.0] bar |
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Middle points |
[-10] oC |
[-1.3] bar |
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Highest points |
[0] oC |
[-2.0] bar |
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