Trane GRAA Installation, Operation And Maintenance Manual page 26

I I n n s s t t a a l l l l a a t t i i o o n n
Outdoor line voltage conduits leading into the unit should be installed to prevent rain from
wetting any high voltage wire. Locate the thermostat in accordance with the instructions
supplied with the thermostat. All field wiring must have a minimum temperature rating of 185°F
(85°C). Control wiring must be a minimum of 18 gauge wire size. Control wiring must be sized for
the length of run.
Locate line voltage disconnect box per local codes. If mounting the disconnect box to the unit,
never mount it to an unit access panel. Possible locations include the front of the blower or filter
section, the outdoor air hood or the rear of the supply plenum (See
conduit must be routed so as not to interfere with removal of any access panel.
F F i i r r e e H H a a z z a a r r d d ! !
F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w i i n n s s t t r r u u c c t t i i o o n n s s b b e e l l o o w w c c o o u u l l d d c c a a u u s s e e a a f f i i r r e e w w h h i i c c h h c c o o u u l l d d r r e e s s u u l l t t i i n n d d e e a a t t h h o o r r
s s e e r r i i o o u u s s i i n n j j u u r r y y , , a a n n d d p p r r o o p p e e r r t t y y d d a a m m a a g g e e . .
D D O O N N O O T T j j u u m m p p e e r r f f a a c c t t o o r r y y w w i i r r i i n n g g ! ! M M i i s s - - w w i i r r i i n n g g o o f f s s a a f f e e t t y y c c i i r r c c u u i i t t s s c c o o u u l l d d c c a a u u s s e e a a f f i i r r e e . . F F o o r r a a l l l l
w w i i r r i i n n g g c c o o n n n n e e c c t t i i o o n n s s , , r r e e f f e e r r t t o o t t h h e e w w i i r r i i n n g g d d i i a a g g r r a a m m s s h h i i p p p p e e d d w w i i t t h h t t h h e e u u n n i i t t . . S S h h o o u u l l d d a a n n y y
o o r r i i g g i i n n a a l l w w i i r r e e s s u u p p p p l l i i e e d d w w i i t t h h t t h h e e u u n n i i t t h h a a v v e e t t o o b b e e r r e e p p l l a a c c e e d d , , i i t t M M U U S S T T b b e e r r e e p p l l a a c c e e d d w w i i t t h h w w i i r r i i n n g g
m m a a t t e e r r i i a a l l h h a a v v i i n n g g a a t t e e m m p p e e r r a a t t u u r r e e r r a a t t i i n n g g o o f f a a t t l l e e a a s s t t 2 2 2 2 1 1 ° ° F F ( ( 1 1 0 0 5 5 ° ° C C ) ) . .
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Figure 10. Electrical Cabinet
W W A A R R N N I I N N G G
Figure 11, p. 27). Electrical
MUA-SVX003B-EN