Our project is use VRF system to keep the space cool. We also provide dedicated injection fan (DOAS) as to meet 62.1 requirement. Most space will have indoor cassette unit. OA ventilation were provided from injection fan (DOAS) to each VRF system. In IEQP1 form, we use VRP Compliance Calculate found in Appendix 1 for submission. However, Some spaces such as a small area of lift lobby or storage room (aka files room), we only cater OA (from the same DOAS) and not cooling. Do this area consider as "mechanical ventilated 100% OA" ?
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