B1 type defrost system suitable for 0°C/ + 5°C  cold room applications. Defrost heaters are applied on heat exchanger coil.
    B2 type defrost system suitable for - 34°C/ 0°C  frozen room applications. Defrost heaters are applied on both heat exchanger coil and drain tray.
    Drain line heaters, fan housing heaters, hot gas defrost system and water defrost system are optional.
    This facility enables homogenous heat distribution for fast and efficient defrosting.
    A water defrost (WD) option is available for room temperature equal to or greater than + 4°C. In this case the unit cooler depth is increased amount of depth.

B1 (Optional)          : Light electric defrost

B2 (Optional)          : Electric defrost (coil + drain pan)

HGD (Optional)       : Hotgas defrost (coil + drain pan)

WD (Optional)         : Water defrost