For occupied machinery rooms with refrigerant charge above threshold in many codes, which combination is a central safety requirement in ASHRAE 15/34 spirit?
Choices
- (A) No fixed lighting
- (B) No ventilation ever
- (C) Refrigerant detection+alarm+mech ventilation+ relief / exhaust strategy per room volume and A2L rules
- (D) Only BMS icons
Correct answer: (C)
Refrigerant detection+alarm+mech ventilation+ relief / exhaust strategy per room volume and A2L rules
Explanation
15/34+EN 378+local: MRV/ERV not substitute for 15; leak detection+fan.