2
INDEX
SHIPPING INSPECTION ...................................................................................................................................................... 4
REPLACEMENT PARTS ....................................................................................................................................................... 4
O
RDERING
P
ARTS
.............................................................................................................................................................. 4
SAFETY INSTRUCTIONS ..................................................................................................................................................... 4
CODES AND REGULATIONS ............................................................................................................................................... 5
EPA R
EGULATIONS
............................................................................................................................................................ 5
N
ATIONAL
C
ODES
............................................................................................................................................................... 5
MAJOR COMPONENTS ....................................................................................................................................................... 5
PRE-INSTALLATION CHECKS ............................................................................................................................................. 5
C
LEARANCES
AND
A
CCESSIBILITY
.......................................................................................................................................... 5
U
NIT
LOCATION
.................................................................................................................................................................. 5
G
ROUND
L
EVEL
P
RE
-I
NSTALLATION
D
ETAILS
............................................................................................................................ 6
R
OOF
T
OP
P
RE
-I
NSTALLATION
D
ETAILS
................................................................................................................................... 6
R
OOF
C
URB
I
NSTALLATIONS
O
NLY
......................................................................................................................................... 6
R
IGGING
D
ETAILS
............................................................................................................................................................... 7
CIRCULATING AIR AND FILTERS ....................................................................................................................................... 7
A
IR
FLOW
C
ONVERSION
...................................................................................................................................................... 7
D
UCT
WORK
..................................................................................................................................................................... 7
F
ILTERS
........................................................................................................................................................................... 7
PIPING ................................................................................................................................................................................. 8
C
ONDENSATE
D
RAIN
........................................................................................................................................................... 8
WIRING ................................................................................................................................................................................ 8
H
IGH
V
OLTAGE
W
IRING
....................................................................................................................................................... 8
L
OW
V
OLTAGE
W
IRING
....................................................................................................................................................... 9
I
NTERNAL
W
IRING
.............................................................................................................................................................. 9
STARTUP, ADJUSTMENTS, AND CHECKS ......................................................................................................................... 9
C
OOLING
S
TART
-U
P
P
ROCEDURES
........................................................................................................................................ 9
H
EAT
P
UMP
S
TART
-U
P
P
ROCEDURE
...................................................................................................................................... 9
F
INAL
S
YSTEM
C
HECKS
..................................................................................................................................................... 10
COMPONENTS .................................................................................................................................................................. 10
HEAT PUMP OPERATION ................................................................................................................................................... 11
C
OOLING
C
YCLE
.............................................................................................................................................................. 11
H
EATING
C
YCLE
............................................................................................................................................................... 11
D
EFROST
C
ONTROL
.......................................................................................................................................................... 11
A
IR
FLOW
M
EASUREMENT
AND
A
DJUSTMENT
......................................................................................................................... 12
A
IR
F
LOW
A
DJUSTMENTS
F
OR
I
NDOOR
B
LOWER
M
OTOR
........................................................................................................ 12
APH D
IP
S
WITCH
F
UNCTIONS
........................................................................................................................................... 12
APH CFM D
ELIVERY
AND
A
DJUSTMENTS
............................................................................................................................ 12
APH T
HERMOSTAT
“F
AN
O
NLY
” M
ODE
............................................................................................................................... 12
APH H
UMIDITY
C
ONTROL
................................................................................................................................................. 13
APH T
WO
-S
TAGE
H
EATING
................................................................................................................................................ 13
APH T
HERMOSTAT
W
IRING
............................................................................................................................................... 13
E
XPANSION
V
ALVE
(TXV) S
YSTEM
....................................................................................................................................... 13
S
YSTEM
C
HARGING
H
EATING
M
ODE
..................................................................................................................................... 14
ELECTRICAL ADJUSTMENTS ........................................................................................................................................... 14
Summary of Contents for APG1624060M41
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