1) Dimensions & Access

  • Doorway/elevator: clear width × height; tightest turn on the route.
  • Bench or stand: top must be level, load-rated; allow ≥300 mm rear clearance.
  • Crate & module sizes: confirm largest module (often main chamber) against access path.
  • Service space: ≥600 mm front and ≥300 mm sides/back for maintenance.

2) Floor Load & Vibration

  • Typical loaded system: 300–800 kg (varies with purifier/pumps).
  • Verify floor rating and avoid high-vibration zones (heavy HVAC, presses).
  • Add anti-vibration feet if you use balances/microscopes in-box.

3) Power & Grounding

  • Voltage/frequency (e.g., 220–240 V, 50/60 Hz or 110–120 V, 60 Hz), dedicated 15–20 A circuit.
  • Separate clean outlet for balances/sensors (noise-sensitive).
  • Single-point ground stud accessible from the rear or side.

4) Gas Supply (N₂/Ar) & Vacuum

  • Working gas: high-purity N₂ or Ar, two-stage regulator, outlet 0.2–0.6 MPa (30–90 psi) typical.
  • Forming gas for regeneration: ≤5% H₂ in N₂ with its own regulator & check valves.
  • Connection standards: ¼” VCR / ¼” NPT / BSPP—match fittings in advance.
  • Vacuum for antechamber: pump location, KF16/KF25 ports, short straight hose runs.

5) Exhaust / Ventilation

  • Mandatory for regeneration: route outlet to a safe exhaust (fume hood or hard duct).
  • Keep return air dry/clean; avoid rooms with solvent vapor or steam.
  • If using solvents in-box, plan local traps (cold/charcoal) and good room ventilation.

6) Room Conditions

  • Ambient: 20–25 °C, stable; avoid direct sun and strong drafts at the viewing window.
  • Humidity: low/moderate; do not rely on room RH to control ESD—use proper grounding.
  • Space: operator stance, stool clearance, and reach to controllers.

7) IT / Data Logging

  • Ethernet or USB pass-throughs for O₂/DP logging.
  • Decide where to store 7–14-day trends (PC, server, or historian).
  • If alarms need paging, test email/SMS integration.

8) Safety & Compliance

  • Relief valve setpoint documented; pressure target +3–8 mbar.
  • Interlocks verified for regen heat/flow/O₂.
  • Site risk assessment for forming gas and exhaust route.
  • Fire safety: no ignition sources near regen outlet; ESD ground available.

9) Commissioning-Day Plan (2–6 hours, typical)

  1. Uncrate, level, and connect power/gas/vacuum/exhaust.
  2. Leak test (pressure-decay) on chamber and doors.
  3. Initial purge (~10× volume) → switch to circulation.
  4. Low-temp bake (40–60 °C) if materials allow; begin dry-down.
  5. Sensor checks: O₂ zero/span, dew-point cross-check.
  6. Training: antechamber three-cycle SOP, pressure control, solvent discipline, regen checklist.
  7. Handover: targets (O₂/H₂O), alarm setpoints, daily log template.

Copy-Paste Pre-Install Checklist (send to your supplier)

  • Building/room & contact:
  • Route constraints (doors, elevators, turns):
  • Bench/stand (size, load rating, height):
  • Power (voltage, plug type, breaker size):
  • Ground (location/spec):
  • Working gas (N₂/Ar), fitting type (¼” VCR/NPT/BSPP):
  • Forming gas (≤5% H₂/N₂) available? Regulator type:
  • Exhaust (hood/hard duct, connection point):
  • Vacuum pump location & hose length:
  • IT/logging (Ethernet/USB, server/PC):
  • Go-live date & on-site training needed (yes/no):
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