4.3.11.3 - Description of the User 1 Configuration
USER 1 CONFIGURATION SUB-MENU [2]
ITEM | FORMAT | UNITS | DEFAULT | COMMENTS |
0 | USEr MEnu | - | - | When selected this item authorises return to the previous menu. |
2 [1] | YES/no | - | no | Ramp loading select. For units with more than one compressor only. |
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| Yes = ramp enabled |
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| No = ramp disabled |
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| This configuration enables the ramp to be activated for heating or cooling (depending on configuration): the |
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| maximum rate (in °C/min) of temperature drop or rise for the heat exchanger water (leaving or entering, upon |
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| configuration). Ramp setting value can be configured in the Setpoint menu. |
3 | 1 to 15 | min | 1 | Delay at |
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| CCN command. No compressor will be started up until this pause has expired. However, the evaporator pump |
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| command will be activated immediately. The safety lockout loop will not be checked until the pause has |
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| expired. |
4 | 0/1/2/3/4 | - | 0 | Pump sequence select |
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| 0 = no pump |
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| 1 = one pump only |
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| 2 = two pumps with auto rotation |
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| 3 = pump #1 manual select |
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| 4 = pump #2 manual select |
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| If the auto sequence is selected, the pump |
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| manual sequence is selected then, the selected pump is used in priority. |
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5 [1] | 24 to 3000 | hours | 48 | Pump changeover delay. Displayed if auto pump sequence is selected. This parameter is used for pump |
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| changeover delay. |
6 [1] | «YES/no» | - | noi | Pump shutdown in standby mode |
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| Displayed if the unit controls a water pump. If this parameter is validated, the pump will be shut down when |
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| the standby mode is active (in automatic heating/cooling changeover). It automatically restarts in heating or |
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| cooling mode. |
7 [1] | 0/1 | - | 0 | Contact 3 select (for |
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| 0 = input is used for demand limit command control |
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| 1 = input is used for dual setpoint command control |
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| Determines whether contact 3 is used for remote demand limit or dual setpoint control. For |
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| only. |
8 | 0/1/2 | - | 0 | Cooling setpoint reset select. See section 5.6.2. |
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| 0 = reset not selected |
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| 1 = reset based on outdoor temperature |
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| 2 = reset based on return water temperature |
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9 [1] | 0/1/2 | - | 0 | Heating setpoint reset select. See section 5.6.2 |
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| 0 = reset not selected |
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| 1 = reset based on outdoor temperature |
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| 2 = reset based on return water temperature |
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10 | «YES/no» | - | no | Boiler control select |
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| Yes = boiler controlled by the unit |
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| No = boiler not controlled |
11 [1] | °C | Boiler threshold. Outdoor air temperature limit; if the temperature is lower, the heat pump is stopped or only | ||
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| the boiler is used for hot water production. Only for heat pumps controlling an additional boiler. |
12 [1] | °C | Operating threshold, heating mode. Outside air temperature threshold below which the heat pump shuts | ||
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| down. The unit switches the electric heaters on and off (if these exist). For heat pumps only. |
13 [1] | °C | 5 | Electric heating stage threshold. Maximum outdoor air temperature threshold for the use of electric heating | |
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| stages. Only for heat pumps, equipped with optional additional electric heating stages. |
14 [1] | «YES/no» | - | no | Electric heating safety stage. In this configuration the last electric heating stage is only activated in the safety |
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| mode (in case of a unit fault that prevents unit operation in heat pump mode).The other electric heating stages |
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| operate normally. See section 5.12. |
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15 [1] | 0 to 60 | minutes |
| Electric heating stage operation schedule. Permits configuration of a |
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| which the electric heater stages are not allowed to start. |
16 [1] | «YES/no» | - | no | Quick |
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| heater stages are allowed to start up immediately. For heat pumps only. |
17 [1] | «YES/no» | - | no | Automatic cooling/heating changeover select. Permits activation of the automatic changeover function. |
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| Caution: This function requires a special operation for control contacts 1 and 2, if the machine is under remote |
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| control (see section 3.6.3). |
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18 | «YES/no» | - | yes | Extended menu select |
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| Yes = menu description available |
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| No = menu description not available |
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| This item authorises activating or inhibiting the menu item expanded display. |
1This item shall be masked when not used.
2Access to menu is read/write.
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