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This humidifier, if properly registered by the return of the warranty registration card to the manufacturer, is warranted to the consumer against defects in
materials and workmanship for a period of one year from the date of installation. Evaporator pads, sleeves or plates are not covered by this limited
warranty or any other warranties. Any other defective parts will be repaired without charge except for removal, reinstallation and transportation costs. To
obtain repair service under this limited warranty, the consumer must send the defective part or the complete humidifier to the manufacturer.
THERE ARE NO EXPRESS WARRANTIES COVERING THIS HUMIDIFIER OTHER THAN AS SET FORTH ABOVE, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO ONE YEAR. THE MANUFACTURER
ASSUMES NO LIABILITY IN CONNECTION WITH THE INSTALLATION OR USE OF THIS PRODUCT, EXCEPT AS STATED IN THIS LIMITED
WARRANTY. THE MANUFACTURER WILL IN NO EVENT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
This limited warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Some states do not allow either
limitations on implied warranties, or exclusions from incidental or consequential damages, so the above exclusion and limitation may not apply to you.
Any questions pertaining to this limited warranty should be addressed to the manufacturer. (U.S.A.: The manufacturer has elected not to make available
the informal dispute settlement mechanism which is specified in the Magnuson-Moss Warranty Act.)
GENERAL FILTERS, INC.
CANADIAN GENERAL FILTERS, LTD. 39 CROCKFORD BLVD. SCARBOROUGH, ONTARIO M1R3B7
Your Humidifier is engineered to give helpful and trouble-free humidification. For maximum efficiency the following cleaning procedures should be carried
out at the end of each heating season:
1. Turn off water supply and electrical power to humidifier.
2. Remove water distributor tube, distributor trough, evaporator pad and drain pan. The evaporator pad may be
removed from either the top or bottom of the humidifier. Clean excessive mineral deposits from the distributor trough,
cover, drain pan and humidifier cabinet. A solution of 1/2 vinegar & 1/2 water will help loosen mineral deposits.
3. If the evaporator pad has excessive mineral deposits, replace with a new "990-13" evaporator pad. Install trough
and drain pan. Replace cover and the distributor tube to proper position over the distributor trough.
4. In heavy mineral areas or if the solenoid valve fails to function disconnect the 1/4" water supply line from the
solenoid valve. Remove the brass strainer body (P.N. 990-18) from the solenoid valve. Carefully pull the strainer
screen (P.N. 990-17) from the orifice fitting (P.N. 990-16). Clean the mineral deposits from all parts. If the orifice is
clogged, it may be opened by inserting a small needle. Reinsert the filter into the orifice fitting and screw the brass
strainer body into the solenoid valve.
5. Reconnect the 1/4" water line to the solenoid valve if necessary. Turn on the water supply and check all points for
leakage. The operation of the unit may be checked by starting the furnace. The humidifier operates only when the
furnace blower is running or the burner circuit is energized. The humidifier is now ready for operation.
6. During the summer, turn off water supply and electrical power to humidifier.
LIMITED WARRANTY
43800 GRAND RIVER AVE.
CARE AND MAINTENANCE
NOVI, MICHIGAN 48375-1115
HOW THE HUMIDIFIER WORKS
�
The operating principle of the humidifier is based on the most efficient and
economical means of evaporating water to the air.
evaporating water is produced by the furnace.
The water supply to the humidifier is controlled by the electric solenoid valve.
The solenoid valve and humidifier fan are controlled by a humidistat connected
through an isolation relay. The humidistat is designed for wall mounting in the
living area or surface mounting on the return air duct. ELECTRICAL RATING: 24
V A C
Hz. �
DO NOT SET RELATIVE HUMIDITY TOO HIGH DURING COLD WEATHER.
EXCESSIVE HUMIDITY MAY CAUSE CONDENSATION ON WINDOWS OR IN
WALLS.
REFER TO RECOMMENDED SETTINGS AS DESCRIBED IN THE
HUMIDISTAT OWNERS MANUAL.
Water flows through a strainer, is metered through an orifice to provide the
proper amount of water, and is supplied to the evaporator pad by the distributor
trough. Air from the warm air plenum is pulled through the wetted evaporator pad
by the humidifier fan and returned to the warm air plenum to be circulated through
the living area. Moisture is evaporated to the air passing through the evaporator
pad.
Minerals are not blown into the air stream as occurs in atomizing humidifiers;
they are left on the evaporator pad where a high percentage is carried off with the
waste water.
�
When the humidifier is installed and operating, no adjustments are necessary
other than setting the control knob on the humidistat to the desired level of
humidification.
To turn the humidifier off, close water supply valve, switch electrical power off
and turn humidistat off.
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RECOMMENDED
TEMPERATURE
SETTING
-20 F -29 C
15%
ϒ
ϒ
-10 F -23 C
20%
ϒ
ϒ
0 F -18 C
25%
ϒ
ϒ
+10 F -29 C
30%
ϒ
ϒ
+20 F - 7 C
35%
ϒ
ϒ
+30 F - 1 C
40%
ϒ
ϒ
The heat necessary for
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