ENGLISH INSTALLATION INSTRUCTIONS
1
PRECAUTION: The installer should be an experienced service technician. Disconnect electrical power before
beginning installation. Do not install where temperatures fall below 32 degrees F or where plenum temperatures
exceed 200 degrees F.
GENERAL
Aire
R
ESIDENTIAL
A
IR
T
REATMENT
P
RODUCTS
FOR INSTALLATION ON
THE HORIZONTAL SUPPLY
DUCT OF ANY FORCED
WARM AIR FURNACE
INSTALLER: PLEASE FILL OUT AND MAIL GUARANTEE CARD AFTER INSTALLATION
IS COMPLETE. LEAVE INSTALLATION INSTRUCTIONS WITH HOME OWNER
INSTALLATION: The humidifier may be mounted on the
horizontal warm air duct only.
See Typical Installation.
The following illustrations show steps for installing the
humidifier on the horizontal supply duct of a forced warm
air furnace. For maximum output, install the humidifier
perpendicular to the air flow as shown. On supply ducts
less than 16" wide the humidifier may be mounted parallel
to the air flow, but will have reduced evaporative output.
2
MODEL 747-L
DUCT MOUNT
DRUM HUMIDIFIER
R
3
Install the right angle metal baffle on the upper inside surface
of 8" or deeper supply ducts. Position the baffle 1" upstream
from the centerline of the rotating drum. Mark and drill two
1/8" holes. Mount the baffle with the two sheet metal screws
provided. For maximum evaporative output the 2" leg of the
baffle should extend down.
Place humidifier on the mounting studs and fasten in place
with the six thumb nuts supplied.
4
Select a location on the bottom surface of the warm air supply
duct for mounting the humidifier. The mounting position
should be at least 24" from the vertical supply plenum. Apply
the mounting template.
Center punch and drill the 6 mounting holes with a 1/4" drill.
Cut out center section of template. Remove remaining
template. Place mounting bracket inside duct with the 6
mounting studs down through the 1/4" holes. THE LONG
STUDS HOLD THE MOTOR END OF THE HUMIDIFIER.
Push two flat push-nuts on the central studs to hold the
mounting bracket in place.
Top Of
Template
TEMPLATE FOR INSTALLI
NG
GENERAL "74
7-L" HUMI
DIFIE
R
4. T
IGHTE
N SC
REW
S AN
D AD
JUS
T HU
MID
IFIE
R UN
TIL L
EVE
L.
5. R
EMA
RK F
OUR
REM
AININ
G HO
LES
IF N
ECE
SSARY
.
6. R
EMO
VE HU
MID
IFIER
, DR
ILL R
EMA
INING
HOLE
S AN
D CU
T OU
T CE
NTE
R SE
CTIO
N OF
TE
MPL
ATE
.
CUT ON THI
S LINE
TEM
PLA
TE N
O. 10
42-2
5
FOL
LOW
INST
RUCT
IONS
PAC
KED
WIT
H HU
MID
IFIE
R
1. RE
MOVE
PRO
TECT
IVE P
APE
R FR
OM B
ACK
OF T
EMP
LAT
E AN
D STI
CK I
N LEV
EL P
OSITI
ON.
2. C
ENTE
R PU
NCH
AND
DRIL
L TH
E FO
UR S
IDE M
OUN
TING
HOLE
S W
ITH
A 1/8
" DIA
. DRI
LL.
3. HA
NG H
UMI
DIFI
ER F
ROM
FOU
R SID
E SCR
EWS
AND
INST
ALL D
RAIN
PAN
, EV
APO
RATO
R
PA
D AN
D DIS
TRIBU
TOR
TRO
UGH.
WARM AIR
Содержание 747-L
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