CED Case Study — Master HVAC Simulator & Dynamic Psychrometric Charts

Calibrated to As-Built Drawing Specs: AHU-6101 Off-Coil (14.0°C / 99% RH) → Fan Exit (~16.0°C / 89% RH) → Booster Coils 6102 & 6103

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CHWS: CHWR:
1. Master HVAC Flow Schematic (CAD Architecture)
STAGE 1: CENTRAL MAKE-UP & DEEP DEHUMIDIFICATION SYSTEM 2: CLEANROOM AREA "C & D" (PREPARATION & WASHING) SYSTEM 3: CLEANROOM AREA "B" (ASEPTIC STERILE CORE) OUTDOOR AIR (OA-6101) 18,625 m³/h (Min) 39.0°C DB | 30.0% RH w = 13.15 g/kg Dew Point: 18.3°C AHU 02-AH-6101 COIL LOAD: 100% (269 kW Max) Act. Duty: 209.2 kW Condensate: 67.7 kg/h OFF COOLING COIL (2A): 14.0°C DB | 99.0% RH w = 9.87 g/kg (CHW: 5/10°C) CHW Loop: 5.0 / 10.0 °C Fan + Filter F7 (+1.8 K Rise) Wi: Pre-heat 54kW + Steam 28kg/h LEAVING AHU 02-AH-6101 (2B) ~16.0°C DB | Su: 89.0% RH w = 9.87 g/kg | dp = 13.9°C (Wi: 16°C DB | 52% RH | w = 5.90 g/kg) System 1 General Area 9,280 m³/h @ 16°C COIL 02-E-6102 (50kW) In: 16.0°C | 89% RH STATUS: ON (CHW 5/10°C) Act. Duty: 36.1 kW Cond: 26.0 kg/h Out: 7.5°C | 99% RH COIL 02-E-6103 (38kW) In: 16.0°C | 89% RH STATUS: ON (DX Coil) Act. Duty: 21.8 kW Cond: 15.8 kg/h Out: 6.0°C | 99% RH (Includes 1,640 m³/h to 02-8-6101) FRESH AIR FEED (3) 6,170 m³/h (Min) 7.5°C | 99% RH w = 6.36 g/kg AHU 02-AH-6102 Mix (4): 17.0°C DB Reheat to 22.0°C Reheat: 32.0 kW (No Cooling Coil) SUPPLY TRUNK (5) 19,400 m³/h @ 22.0°C RH: 43.1% w = 7.08 g/kg Dew Point: 8.9°C ZONE TRIM COOLER CC-6201 to CC-6205 Sensible Re-cooling Trim: 18.0°C DB Δw = 0 (Dry Coil) CLEANROOMS AREA "C & D" (6) (13 Rooms Consolidated Box) Room DB: 21.5°C RH: 46.5% w = 7.41 g/kg COMPLIANT (≤55%) Internal Latent: +7.8 kg/h RECIRCULATED RETURN AIR (RA) 13,230 m³/h (68.2%) 21.5°C | 46.5% RH | w = 7.41 g/kg FRESH AIR FEED (3) 1,535 m³/h (Min) 6.0°C | 99% RH w = 5.73 g/kg AHU 02-AH-6103 Mix (4): 19.4°C DB Trim Heat to 20.0°C Reheat: 7.2 kW (No Cooling Coil) SUPPLY TRUNK (5) 33,520 m³/h @ 20.0°C RH: 44.9% w = 6.51 g/kg Dew Point: 7.7°C ZONE TRIM COOLER CC-6301 to CC-6305 Sensible Re-cooling Trim: 16.0°C DB Δw = 0 (Dry Coil) CLEANROOMS AREA "B" (6) (11 Sterile Rooms + Grade A LAF) Room DB: 20.0°C RH: 45.2% w = 6.55 g/kg COMPLIANT (≤50%) Internal Latent: +1.5 kg/h RECIRCULATED RETURN AIR (RA) 31,985 m³/h (95.4%) 20.0°C | 45.2% RH | w = 6.55 g/kg
2. Live 7-Point Psychrometric Process Charts (Dynamic State Labels)

System 2 Process: OA → 6101 Coil → 6101 Exit → Booster 6102 → Area "C & D"

COMPLIANT
State Point (Live Condition) Tdb (°C) w (g/kg) RH (%) Dew Pt (°C)

System 3 Process: OA → 6101 Coil → 6101 Exit → Booster 6103 → Area "B"

COMPLIANT
State Point (Live Condition) Tdb (°C) w (g/kg) RH (%) Dew Pt (°C)
3. Hydronic & Thermal Balance Summary

Central Hydronic Performance (AHU-6101)

Area C&D Cleanroom Impact (AHU-6102)

Area B Sterile Core Impact (AHU-6103)