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Air Handing Unit Controller
FRE version for Constant Supply Temperature Control
(SPTY 3&4)
RET version for Constant Return Temperature Control (SPTY 0&1, 6&7)
SUP version for Variable Supply Temperature Control (SPTY 2&5)
| History (FRE/RET/SUP) |
Engineering Tables
Latest updated version is 4c1
Document last updated 03/01/2002
Monitoring Parameters
| Doorway / InSite Code | Label | Description | Units | Default Value | Range |
| Control parameters | |||||
| C69 | RTLP | Selects display of Return loop parameters when set | - | 0 | 0 to 1 |
| C70 | UNDH | Sets very Low muzzy level for Heating loop | - | - | 10 to 200 |
| C71 | OVRH | Sets very High muzzy level for Heating loop | - | - | 10 to 200 |
| C72 | DBDH | Deadband sets limit for OK band for Heating loop | - | - | 10 to 200 |
| C73 | RCGH | Max Rate of Change Temperature Heating | - | - | 1 to 250 |
| C74 | GN H | Heating gain | - | - | 1 to 250 |
| C75 | UNDC | Sets very Low muzzy level for Cooling loop | - | - | 10 to 200 |
| C76 | OVRC | Sets very High muzzy level for Cooling loop | - | - | 10 to 200 |
| C77 | DBDC | Deadband sets limit for OK band for Cooling loop | - | - | 10 to 200 |
| C78 | RCGC | Max Rate of Change Temperature Cooling | - | - | 1 to 250 |
| C79 | GN C | Cooling gain | - | - | 1 to 250 |
| Alarm Parameters | |||||
| C90 | NOAL | No alarms | - | - | 0 to 1 |
| C91 | FANF | Fan Fail alarm | - | - | 0 to 1 |
| C92 | FLTF | Filter Blocked alarm | - | - | 0 to 1 |
| C93 | FREZ | Heater battery failed or no hot water (will stop fans) | - | - | 0 to 1 |
| C94 | OUTF | Pump fail alarm | - | - | 0 to 1 |
| C95 | SUPF | Supply air temperature reading failed | - | - | 0 to 1 |
| C96 | STOP | Stop alarm received | - | - | 0 to 1 |
| Plots | |||||
| C130 | PN A | Config variable number for plot A | 51 | 1 to 255 | |
| C131 | PT A |
Plot type A: |
- | 1 | 1 to 4 |
| C132 | PN B | Config variable number for plot B | - | 52 | 1 to 255 |
| C133 | PT B | Plot type B | - | 1 | 1 to 4 |
| C134 | PN C | Config variable number for plot C | - | 53 | 1 to 255 |
| C135 | PT C | Plot type C | - | 1 | 1 to 4 |
| Driver Parameters | |||||
| C150 | HTYP | Heat type | - | 1 | 0 to 5 |
| C151 | HINT | Heat stages Internal | - | 2 | 0 to 8 |
| C152 | CTYP | Cool type | - | 1 | 0 to 5 |
| C153 | CINT | Cool stages Internal | - | 2 | 0 to 8 |
| C154 | HRMN | Heating driver input rescale Minimum | % | 0 | 0 to 100 |
| C155 | HRMX | Heating driver input rescale Maximum | % | 100 | 0 to 100 |
| C156 | CRMN | Cooling driver input rescale Minimum | % | 0 | 0 to 100 |
| C157 | CRMX | Cooling driver input rescale Maximum | % | 100 | 0 to 100 |
| C158 | Not used in this application | - | - | - | |
| C159 | Not used in this application | - | - | - | |
| C160 | HDMD | Heat demand from Return Air Loop or from Zone demands | % | - | 0 to 100 |
| C161 | CDMD | Cool demand from Return Air Loop or from Zone demands | % | - | 0 to 100 |
| C162 | HOUT | Supply Loop Heating Output | % | - | 0 to 100 |
| C163 | COUT | Supply Loop Cooling Output | % | - | 0 to 100 |
| C164 | HDRV | Heating Driver input | % | - | 0 to 100 |
| C165 | CDRV | Cooling Driver input | % | - | 0 to 100 |
| C166 | DHOF | De-Humidification demand from Humidity Controller | % | - | 0 to 100 |
| Extended Monitoring | |||||
| C180 | HFLW | Heating Flow from Boiler or Heat Source | Deg C | 0 | 0 to 100 |
| C181 | SILK | Start Up Interlock, AHU is waiting to ensure heater battery is open and water temperature is suffient before starting the Fans | - | 0 | 0 to 1 |
| C182 | DHON | DeHumidification is on | - | - | read only |
smartkontrols Ltd
8 Horsted Square
Bell Lane Business Park
Uckfield East Sussex
TN22 1QG
phone 01825 769812
fax 01825 769813
e-mail sales@smartkontrols.co.uk
http:// www.smartkontrols.co.uk