... Delivery in 3-4 working days 5.Mount all in 5 minute 2,3,5,6,7,10M3 walk in freezer cold ... room cooler; chiller room for -18 to -20 C 1. The 5 ... . 1HP monoblock refrigeration unit is the good match for 5 cubic meter freezer room. But should meet below technical ... for the refrigeration unit?R22 or R404A 2,3,5,6,7,10M3 walk in freezer cold room cooler; chiller ...