4. Electrical connections
• Mount the humidistat according to the guidelines supplied in the humidistat box, preferably in the
living area.
• Before making electrical connections ENSURE THAT THE POWER IS OFF!
• Consult furnace manufacturers recommendations or connect the motor leads as shown below.
5. Water connections
• USE OF SOFTENED WATER IS NOT RECOMMENDED unless you also purchased an Auto Flush.
• Before starting TURN OFF THE WATER SUPPLY and relieve the pressure.
• Install the saddle valve on a copper water line as close to the humidifier as possible.
• CAUTION: ensure that the piercing pin is backed up into the valve body. If installing on
galvanized pipe, pre drill a 1/8" diameter hole that the piercing pin fits into.
• Assemble one side of the top clamp to the bottom clamp and place over the water line
ensuring that the rubber gasket is in place over the piercing pin.
• Assemble the other side of the top clamp to the bottom clamp with remaining fastener
and tighten evenly until unit is firmly attached to water pipe.
• Connect suppled plastic water line to valve and float as shown below. Use the plastic
compression fitting and insert in the valve end of plastic line; use the expander in the float end.
If using copper line, use metal compression sleeves.
• Turn the valve handle clockwise fully to pierce the water pipe. NOTE: This is the off positio
n.
Source of 110 Volt AC
BEST
Power to Furnace Motor:
• humidifier will only operate
when furnace does
ALTERNATIVE
AC from household wiring:
• humidifier will operate
when humidity is low
but will be most effective
when the furnace is on.
110 V
AC
junction box
or knockout
on furnace
24 Volt
transformer
humidistat
motor
(24 Volt)
humidifier
4
supplied
wire
Saddle valve body
Household
water line
Float
Expander
Compression sleeve (metal)
Plastic water line
Copper water line (not supplied)
Basin
Piercing pin
Saddle valve clamp
Rubber gasket
Insert
Compression sleeve (plastic)
110 Volt
