Viessmann VITOCAL 250-A - Page 14

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2416 Threshold value, cooling activation and deactivation, heating/
cooling circuit 4 ...................................................................................... 86
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2416.0 Start condition, cooling, heating/cooling circuit 4 .................... 86
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2416.1 Stop condition, cooling, heating/cooling circuit 4 .................... 87
2421 Temperature offset, heating/cooling circuit 1 ................................ 87
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2421.0 Temperature offset, heating/cooling circuit 1 .......................... 87
2422 Temperature offset, heating/cooling circuit 2 ................................ 87
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2422.0 Temperature offset, heating/cooling circuit 2 .......................... 87
2423 Temperature offset, heating/cooling circuit 3 ................................ 87
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2423.0 Temperature offset, heating/cooling circuit 3 .......................... 87
2424 Temperature offset, heating/cooling circuit 4 ................................ 87
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2424.0 Temperature offset, heating/cooling circuit 4 .......................... 87
2426 Energy saving function, heating/cooling circuit 1 .......................... 88
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2426.0 Enable economy function, outside temperature, heating/cool-
ing circuit 1 ......................................................................................... 88
■
2426.1 Hysteresis, economy function, outside temperature, heating/
cooling circuit 1 ................................................................................... 88
2427 Energy saving function, heating/cooling circuit 2 .......................... 88
■
2427.0 Enable economy function, outside temperature, heating/cool-
ing circuit 2 ......................................................................................... 88
■
2427.1 Hysteresis, economy function, outside temperature, heating/
cooling circuit 2 ................................................................................... 88
2428 Energy saving function, heating/cooling circuit 3 .......................... 89
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2428.0 Enable economy function, outside temperature, heating/cool-
ing circuit 3 ......................................................................................... 89
■
2428.1 Hysteresis, economy function, outside temperature, heating/
cooling circuit 3 ................................................................................... 89
2429 Energy saving function, heating/cooling circuit 4 .......................... 89
■
2429.0 Enable economy function, outside temperature, heating/cool-
ing circuit 4 ......................................................................................... 89
■
2429.1 Hysteresis, economy function, outside temperature, heating/
cooling circuit 4 ................................................................................... 89
2452 Room temperature limit for cooling, heating/cooling circuit 1 ....... 90
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2452.0 Start hysteresis, cooling, heating/cooling circuit 1 .................. 90
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2452.1 Stop hysteresis, cooling, heating/cooling circuit 1 .................. 90
2453 Room temperature limit for cooling, heating/cooling circuit 2 ....... 90
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2453.0 Start hysteresis, cooling, heating/cooling circuit 2 .................. 90
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2453.1 Stop hysteresis, cooling, heating/cooling circuit 2 .................. 90
2454 Room temperature limit for cooling, heating/cooling circuit 3 ....... 90
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2454.0 Start hysteresis, cooling, heating/cooling circuit 3 .................. 90
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2454.1 Stop hysteresis, cooling, heating/cooling circuit 3 .................. 90
2455 Room temperature limit for cooling, heating/cooling circuit 4 ....... 91
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2455.0 Start hysteresis, cooling, heating/cooling circuit 4 .................. 91
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2455.1 Stop hysteresis, cooling, heating/cooling circuit 4 .................. 91
2499 Pump type, heating/cooling circuit 1 ............................................. 91
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2499.0 Pump type, heating/cooling circuit 1 ....................................... 91
2500 Pump type, heating/cooling circuit 2 ............................................. 91
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2500.0 Pump type, heating/cooling circuit 2 ....................................... 91
2501 Pump type, heating/cooling circuit 3 ............................................. 92
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2501.0 Pump type, heating/cooling circuit 3 ....................................... 92
2502 Pump type, heating/cooling circuit 4 ............................................. 92
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2502.0 Pump type, heating/cooling circuit 4 ....................................... 92
9. Parameter group for exter-
nal heat generator
2404 Dual mode control mode ............................................................... 93
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2404.0 Dual mode operation, external heat generator ....................... 93
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2404.1 Dual mode temperature .......................................................... 94
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2404.2 Temperature limit, alternative operation ................................. 94
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2404.3 Control strategy ...................................................................... 94
2796 Configuration of external heat generator ...................................... 95
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2796.0 Enable external heat generator, room heating ....................... 95
Index
Index
6218234