- Reaction score
- 143
Hi all, been a while since working out calcs for size of a TP Mcb and cable for something like this and am a bit tired and ill so thought I'd take some stick and ask !
Item is a Zip DBX 27 and 3 phase at 27kW, supplied by a 3 core Swa is what client has asked for and seperate Earth alongside from D/B up into void above suspended ceiling / tiles
my mate is the Zip installer & plumber and had paperwork indicating 39Amps.
I take it, it will also need something like a 3 phase rotary or similar isolator at fitting position, and would a decent size SY flex be ok from isolator to heater ? It's going on wall in food prep area in a chip shop to replace a failing gas boiler.
Thanks,
Item is a Zip DBX 27 and 3 phase at 27kW, supplied by a 3 core Swa is what client has asked for and seperate Earth alongside from D/B up into void above suspended ceiling / tiles
my mate is the Zip installer & plumber and had paperwork indicating 39Amps.
I take it, it will also need something like a 3 phase rotary or similar isolator at fitting position, and would a decent size SY flex be ok from isolator to heater ? It's going on wall in food prep area in a chip shop to replace a failing gas boiler.
Thanks,