3
TABLE OF CONTENTS
1. T
ECHNICAL
D
ATA
.................................................................................................................................................................4
1.1
A
IR
D
ISTRIBUTION
...................................................................................................................................................................... .4
1.2
D
EFROST
C
YCLES
........................................................................................................................................................................ 4
1.3
D
IMENSIONS
................................................................................................................................................................................ 4
2 T
YPICAL
I
NSTALLATIONS
........................................................................................................................................................5
2.1
F
ULLY
D
UCTED
S
YSTEM
.............................................................................................................................................................. .5
2.2
C
ENTRAL
D
RAW
P
OINT
................................................................................................................................................................. 5
2.3
S
IMPLIFIED
I
NSTALLATION
............................................................................................................................................................... 5
2.4
A
TTIC
I
NSTALLATION
FOR
ERV140TE
ONLY
.................................................................................................................................... 6
3 I
NSTALLATION
................................................................................................................................................................. 6-11
3.1
I
NSPECT
THE
C
ONTENT
OF
THE
B
OX
............................................................................................................................................. .6
3.2
U
NIT
D
OORS
.............................................................................................................................................................................. 6
3.3
L
OCATING
THE
U
NIT
..................................................................................................................................................................... 6
3.4
P
LANNING
OF
THE
D
UCTWORK
....................................................................................................................................................... 7
3.5
C
ALCULATING
D
UCT
S
IZE
............................................................................................................................................................. 7
3.6
I
NSTALLING
THE
D
UCTWORK
AND
R
EGISTERS
.................................................................................................................................8-9
3.7
C
ONNECTING
THE
D
UCTS
TO
THE
U
NIT
......................................................................................................................................... 10
3.8
I
NSTALLING
T
WO
E
XTERIOR
H
OODS
...............................................................................................................................................11
3.9
C
ONNECTING
THE
D
RAIN
.............................................................................................................................................................11
4. C
ONTROLS
..................................................................................................................................................................12-15
4.1
U
NITS
B
OOTING
S
EQUENCE
........................................................................................................................................................ 12
4.2
I
NTEGRATED
C
ONTROL
................................................................................................................................................................ 12
4.3
S
PEED
AND
D
EFROST
S
ETTINGS
.................................................................................................................................................. 13
4.5
E
LECTRICAL
C
ONNECTION
TO
M
AIN
C
ONTROL
................................................................................................................................ 14
4.6
E
LECTRICAL
C
ONNECTION
TO
O
PTIONAL
A
UXILIARY
C
ONTROLS
......................................................................................................... 15
5. E
LECTRICAL
C
ONNECTION
TO
THE
FURNACE
...........................................................................................................................16
6. W
IRING
D
IAGRAMS
....................................................................................................................................................... 17-18
7. B
ALANCING
THE
UNIT
.........................................................................................................................................................19
7.1
W
HAT
Y
OU
N
EED
TO
B
ALANCE
THE
U
NIT
...................................................................................................................................... 19
7.2
P
RELIMINARY
S
TAGES
TO
B
ALANCE
THE
U
NIT
.................................................................................................................................. 19
7.3
B
ALANCING
P
ROCEDURE
............................................................................................................................................................. 19
8. S
ERVICE
P
ARTS
................................................................................................................................................................20
9. T
ROUBLESHOOTING
....................................................................................................................................................... 21-22
