APOGEE Heat Pump
Descriptor | Address | Application | Description |
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NGT DBAND | 88 | 2281, 2283, | During night mode, this point indicates the number of degrees |
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| 2284, 2286, | above or below (depending on heating/cooling mode) the night |
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| 2287 | setpoint that the room temperature can raise or drop before the |
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| fan will be turn ON. |
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| Valid input: 0 to 255°F |
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MORN DBAND | 89 | 2281, 2283, | The number of degrees of variance from the heating or cooling |
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| 2284, 2286, | setpoint at which the controller will terminate morning |
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| 2287 | |
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| Valid input: 0 to 255'F |
SWITCH DBAND | 90 | 2281, 2283, | The temperature range in degrees that is compared to the |
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| 2284, 2286, | difference between CTL TEMP (Point 78) and CTL STPT (Point |
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| 2287 | 92). The difference exceeding this value is one of the conditions |
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| necessary to change modes between heating and cooling. |
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| Valid input: 0 to 255°F |
AUX DSH STPT | 91 | 2281, 2284 | The setpoint of the auxiliary radiation control loop. |
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CTL STPT | 92 | 2281, 2283, | The actual setpoint value being used as input for the active |
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| 2284, 2286, | temperature control loop. |
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| 2287 |
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DISCH STPT | 93 | 2281, 2284, | The setpoint of the discharge air control loop. |
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| 2287 |
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MA STPT | 93 | 2283, 2286 | The setpoint of the mixed air control loop. |
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DSH MIN TEMP | 94 | 2281, 2284 | The minimum value to which DISCH STPT (Point 93) can be set |
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| by the room control loop. |
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DSH MAX TEMP | 95 | 2281, 2284 | The maximum value to which DISCH STPT (Point 93) can be set |
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| by the room control loop. |
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LOOP TIME | 98 | 2281, 2283, | The time, in seconds, between control loop calculations. |
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| 2284, 2286, |
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| 2287 |
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ERROR STATUS | 99 | 2281, 2283, | The status code indicating any errors detected during controller |
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| 2284, 2286, | power up. A status of 0 indicates there are no problems. |
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| 2287, 2299 |
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30 | Siemens Building Technologies, Inc. |