1. STATUS/ALARM TO DCS INCLUDE:
- TEMPERATURE - LOSS OF PRESSURISATION ALARM
- HUMIDITY - HVAC/EXHAUST SYSTEM FAILURE ALARM
- PRESSURISATION - FIRE/GAS TIGHT/SMOKE DAMPERS OPEN/CLOSE STATUS.
2. HPP TO PROVIDE POWER SUPPLY TO EACH COMPRESSOR CRANKCASE HEATER. COMPRESSOR CRANKCASE HEATER TO BE ENERGISED WHEN CONDENSING OR CHILLER UNIT COMPRESSORS ARE NOT RUNNING AND DE-ENERGISED WHEN COMPRESSOR UNITS ARE OPERATING.
3. POWER SUPPLY WILL BE PROVIDED TO DUCT HEATER CONTROL PANEL. THE CONTROL (START, STOP AND TRIP) OF THE HEATER OPERATION WILL BE CARRIED OUT BY THE HEATER CONTROL PANEL.
4. HEATER STATUS (START, TRIP) FEEDBACK TO HCP AND HCP SHUTDOWN SIGNAL TO HEATER.
5. INTERPOSING RELAYS PROVIDED IN HVAC PANEL TO RECEIVE FGS TRIP SIGNALS FOR SHUTTING DOWN OF THE ZONE FIRE DAMPERS AND GAS TIGHT DAMPERS. ONE(1) FGS SHUTDOWN SIGNAL PROVIDED FOR TRIPPING OF EACH ZONE FIRE DAMPERS AND SMOKE DAMPERS. A ZONE SHALL BE DEFINED AS ONE LEVEL FOR LQ AND ONE BUILDING FOR MISCELLANEOUS BUILDINGS.
6. TOTAL RATING IS ESTIMATED IN DOCUMENT BK.TNG-002-TS-ME-EL-0002 HVAC EQUIPMENT LIST-TECHNICAL BUILDING THAT TO BE CONFIRMED BY HVAC VENDORS