3
TABLE OF CONTENTS
1. T
ECHNICAL
D
ATA
................................................................................................................................ 4-6
1.1
A
IR
D
ISTRIBUTION
(N
ORMAL
O
PERATION
) ..................................................................................................................4
1.2
A
IR
D
ISTRIBUTION
(R
ECIRCULATION
OR
D
EFROST
M
ODE
) .............................................................................................4
1.3
S
PECIFICATIONS
.....................................................................................................................................................4
1.4
P
ERFORMANCE
C
HARTS
..........................................................................................................................................5
1.5
D
IMENSIONS
.........................................................................................................................................................6
1.6
C
ONTROLS
AND
L
INKAGE
P
OSSIBILITY
........................................................................................................................6
2. T
YPICAL
I
NSTALLATIONS
........................................................................................................................7-8
2.1
F
ULLY
D
UCTED
S
YSTEM
..........................................................................................................................................7
2.2
C
ENTRAL
D
RAW
P
OINT
...........................................................................................................................................7
2.3
S
IMPLIFIED
I
NSTALLATION
.........................................................................................................................................7
2.4
I
NSTALLATION
FOR
ERV U
NITS
O
NLY
........................................................................................................................8
3. I
NSTALLATION
................................................................................................................................... 9-15
3.1
I
NSPECT
THE
C
ONTENT
OF
THE
B
OX
..........................................................................................................................9
3.2
L
OCATING
THE
U
NIT
...............................................................................................................................................9
3.3
U
NIT
P
REPARATION
................................................................................................................................................9
3.4
H
OW
TO
H
ANG
THE
U
NIT
......................................................................................................................................10
3.5
P
LANNING
OF
THE
D
UCTWORK
................................................................................................................................10
3.6
I
NSTALLING
THE
D
UCTWORK
AND
R
EGISTERS
......................................................................................................10-12
3.7
C
ONNECTING
THE
D
UCTS
TO
THE
U
NIT
....................................................................................................................13
3.8
I
NSTALLING
THE
T
ANDEM
®
T
RANSITION
K
IT
...........................................................................................................13-15
3.9
I
NSTALLING
2 E
XTERIOR
H
OODS
.............................................................................................................................15
4. C
ONTROLS
.................................................................................................................................... 16-18
4.1
I
NTEGRATED
C
ONTROL
..........................................................................................................................................16
4.2
E
LECTRICAL
C
ONNECTION
TO
O
PTIONAL
W
ALL
C
ONTROLS
.....................................................................................16-17
4.3
VT4W
OPTIONAL
M
AIN
W
ALL
C
ONTROL
O
PERATION
.................................................................................................17
4.4
O
PTIONAL
A
UXILIARY
W
ALL
C
ONTROLS
O
PERATION
..................................................................................................18
5. E
LECTRICAL
C
ONNECTION
TO
THE
FURNACE
..............................................................................................18
6. W
IRING
D
IAGRAM
.................................................................................................................................19
7. B
ALANCING
THE
UNIT
............................................................................................................................ 20
8. C
ONNECTING
THE
D
RAIN
(HRV U
NITS
O
NLY
) .......................................................................................... 21
9. M
AINTENANCE
................................................................................................................................ 22-23
9.1
B
IANNUAL
M
AINTENANCE
................................................................................................................................. 22-23
9.2
A
NNUAL
M
AINTENANCE
.........................................................................................................................................23
10. S
ERVICE
P
ARTS
.................................................................................................................................. 24
11. T
ROUBLESHOOTING
......................................................................................................................... 25-26