in-door fan coil units

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Viking302

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east bay
If a fancoil is 208 1ph with a little DC motor at 1.3FLA and the max fusible for the unit is 15amps. Can I use a 2p toggle switch with lockable means by itself if its feed from a HACR breaker or would I still need a in-line fuse to the switch. Instead of a bulky 30amp disc. with 15amp fuses. I have 20+ units.
 

chris kennedy

Senior Member
Location
Miami Fla.
Occupation
60 yr old tool twisting electrician
If a fancoil is 208 1ph with a little DC motor at 1.3FLA and the max fusible for the unit is 15amps. Can I use a 2p toggle switch with lockable means by itself if its feed from a HACR breaker or would I still need a in-line fuse to the switch. Instead of a bulky 30amp disc. with 15amp fuses. I have 20+ units.

I always just mount 1900 box, switch with industrial cover right on the unit, no means to LO. Did you see these units yet? I just did FCU's that had built-in disco's.
 

dkidd

Senior Member
Location
here
Occupation
PE
If the nameplate or the manufacturer's instructions state "fuse" and don't state that a breaker is acceptable, then you must use fuses.
 

chris kennedy

Senior Member
Location
Miami Fla.
Occupation
60 yr old tool twisting electrician
If the nameplate or the manufacturer's instructions state "fuse" and don't state that a breaker is acceptable, then you must use fuses.

Your showing your age, when was the last time you saw that on HVAC equipment?:cool:

I should add to my first post I assumed a 15A HACR is the branch circuit protection.
 

dkidd

Senior Member
Location
here
Occupation
PE
Your showing your age, when was the last time you saw that on HVAC equipment?:cool:

I don't have a photo here, but current Nailor fan powered boxes have that on the nameplate. I have seen it on other recent equipment as well. I'll post a photo when I get back to the office.
 
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