Gullberg & Jansson · NGM:GJAB
Gullberg & Jansson — Technical Presentation (August 2010)
13 slides from Gullberg & Jansson's technical presentation, August 2010
Slide 1: Installation of heating cable
Installation of heating cable
Slide 2: Background
Background At the low ambient outside, the bottom tray of outdoor unit will be frozen, and the ice will accumulate on it. When the accumulated ice reach to the condenser and fan in the outdoor unit, then the whole machine will stop running. Regarding this issue, we consider to install the electric h
Slide 3: On-off type: appearance of outdoor unit
ON-OFF TYPE APPREANCE OF OUTDOOR
Slide 4: General view
General view The red cable is the electric heating cable, and the position of it is between the condenser and bottom tray, it also has some part around the underside of compressor.
Slide 5: Local view
Local view The part between the The part around the condenser and bottom underside of compressor tray。
Slide 6: Details for the cable
Details for the cable This picture is just for reference, actually in the future mass production, the cable will be equiped with steel net tube to guarantee the cable won’t be pierced by the condenser。
Slide 7: Cable's connection
Cable’s connection Heating cable One of the heating cable’s end (red cable) is connected to the switch of temp. control, the other end (grey cable) is connected to one of terminal in outdoor unit.
Slide 8: Inverter type: appearance of outdoor unit
Inverter type APPREANCE OF OUTDOOR
Slide 9: General view
General view The red cable is the electric heating cable, and the position of it is between the condenser and bottom tray
Slide 10: Local view
Local view The part between the condenser and bottom tray。
Slide 11: Cable's connection
Cable’s connection The indicated cable The indicated cable connect to the electric connect to the terminal box of outdoor unit
Slide 12: Different connection to the indoor unit
Different connection to the indoor unit • On-off type: Limited by the terminal position in indoor unit, there has one separate cable connected to the PCB of indoor unit, and the other end is used to connect to the heating cable in outdoor. • Inverter type: As the space for the terminal is enough, th
Slide 13: Conclusion
Conclusion This installation is according to the Panasonic’s method, and we do our own improvement to make sure the products more stable and more security. Till now we have done several testing, include the security testing, long term running testing, stability testing, and so on. The testing result
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