Start-Up - Trane GRAA Installation, Operation And Maintenance Manual

Start-Up

Before starting the unit, use the "Gas Equipment Start Up Sheet" (located at the end of this
manual) and read the Outdoor Duct Furnace Manual entirely in conjunction with the procedures
outlined below to ensure that the unit is completely and properly installed and ready for start up.
C C h h e e c c k k o o f f S S a a f f e e t t y y D D e e v v i i c c e e s s R R e e q q u u i i r r e e d d ! !
F F a a i i l l u u r r e e t t o o d d 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 u u n n s s a a f f e e c c o o n n d d i i t t i i o o n n s s a a n n 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 , ,
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 o o r r 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 . .
A A l l l l s s a a f f e e t t y y c c o o n n t t r r o o l l s s M M U U S S T T b b e e c c h h e e c c k k e e d d b b e e f f o o r r e e s s t t a a r r t t i i n n g g t t h h e e u u n n i i t t a a n n d d d d u u r r i i n n g g r r e e g g u u l l a a r r
m m a a i i n n t t e e n n a a n n c c e e ! ! C C h h e e c c k k a a n n d d t t e e s s t t t t h h e e o o p p e e r r a a t t i i o o n n a a l l f f u u n n c c t t i i o o n n s s o o f f a a l l l l s s a a f f e e t t y y d d e e v v i i c c e e s s 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 i i s s u u n n i i t t . .
1. Inspect all wiring connections; connections should be clean and tight. T T r r a a c c e e c c i i r r c c u u i i t t s s t t o o
2. Lubricate all electrical motors according to the manufacturer's recommendations.
3. Verify that the system switch is in the OFF position.
4. Check unit supply voltage to ensure that it is within the utilization range.
5. Inspect the interior of the unit; remove any debris or tools which may be present.
S S t t a a r r t t i i n n g g t t h h e e U U n n i i t t i i n n H H e e a a t t i i n n g g M M o o d d e e
1. Close the unit disconnect switch which provides power to the unit.
I I m m p p o o r r t t a a n n t t : : High voltage is present in some areas of the unit (primarily the main electrical
L L i i v v e e E E l l e e c c t t r r i i c c a a l l C C o o m m p p o o n n e e n n t t s s ! !
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 a a l l l l e e l l e e c c t t r r i i c c a a l l s s a a f f e e t t y y p p r r e e c c a a u u t t i i o o n n s s w w h h e e n n e e x x p p o o s s e e d d t t o o l l i i v v e e e e l l e e c c t t r r i i c c a a l l
c c o o m m p p o o n n e e n n t t s s 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 . .
W W h h e e n n i i t t i i s s n n e e c c e e s s s s a a r r y y t t o o w w o o r r k k w w i i t t h h l l i i v v e e e e l l e e c c t t r r i i c c a a l l c c o o m m p p o o n n e e n n t t s s , , h h a a v v e e a a q q u u a a l l i i f f i i e e d d l l i i c c e e n n s s e e d d
e e l l e e c c t t r r i i c c i i a a n n o o r r o o t t h h e e r r i i n n d d i i v v i i d d u u a a l l w w h h o o h h a a s s b b e e e e n n p p r r o o p p e e r r l l y y t t r r a a i i n n e e d d i i n n h h a a n n d d l l i i n n g g l l i i v v e e e e l l e e c c t t r r i i c c a a l l
c c o o m m p p o o n n e e n n t t s s p p e e r r f f o o r r m m t t h h e e s s e e t t a a s s k k s s . .
2. Set the thermostat/switching subbase as indicated below:
3. Place the system switch in the ON position.
N N o o t t e e : : With the thermostat calling for heat, unit operation is automatic.
S S t t a a r r t t i i n n g g U U n n i i t t i i n n C C o o o o l l i i n n g g M M o o d d e e
1. Close the unit disconnect switch which provides power to the unit.
I I m m p p o o r r t t a a n n t t : : High voltage is present in some areas of the unit (primarily the main electrical
2. Set the thermostat/switching subbase as indicated below:
MUA-SVX003B-EN
i i n n s s u u r r e e t t h h a a t t a a c c t t u u a a l l w w i i r r i i n n g g a a g g r r e e e e s s w w i i t t h h t t h h e e " " a a s s w w i i r r e e d d " " d d i i a a g g r r a a m m s s p p r r o o v v i i d d 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 .
Information in the wiring diagram title block should match the data appearing on the unit
nameplate.
cabinet) with the unit disconnect switch closed. Failure to exercise caution when
working in the presence of energized electrical components may result in injury or
death from electrical shock.
a. Position the heating system switch at either HEAT or AUTO;
b. Set the fan switch to AUTO.
cabinet) with the unit disconnect switch closed. Failure to exercise caution when
working in the presence of energized electrical components may result in injury or
death from electrical shock.
a. Position the cooling system switch at either COOL or AUTO;
b. Set the fan switch to AUTO.
W W A A R R N N I I N N G G
W W A A R R N N I I N N G G
35