HM700A1000
33-00118—01 6
PLUMBING
Fig. 4. Water supply and drain connection.
IMPORTANT
— All water supply and drain line connections should be
installed in accordance with local plumbing codes.
— Drain water is automatically cooled to 140 °F (60 °C)
when HM700 cycles a drain. When the manual drain
switch is used, temperature may be higher. The drain
material (tube and drain) must be rated for 200 °F
(93 °C).
• Supply water should be between 30 to 100 PSIG. A throttle
valve may be used if necessary.
• Do not use reverse osmosis or de-ionized water. Supply
water should be between 150-1200 μS (microsiemens) for
optimal conductivity.
• Supply water should be cold, 34 to 68 ºF (1 to 20 ºC).
• Install water shut off valve before humidifier to facilitate
servicing.
• The drain line should not end in a sink used frequently by
personnel, or where plumbing codes prohibit it. Route to a
floor drain or equivalent for safety reasons.
• Ensure drain line is adequately sized to provide free and
easy draining and that an air gap is installed as shown. A
restricted drain can cause cylinder water to over
concentrate and result in poor operation.
• If a drain is not located near the humidifier use a
condensate pump rated for hot drain water.
1/2 IN. (30 MM) OD
ALWAYS INSTALL A
WATER SHUT-OFF VALVE.
USE 1/4 IN. COMPRESSION
FITTING (INCLUDED) TO
CONNECT WATER SUPPLY
LINE TO UNIT (LDPE PLASTIC
OR COPPER).
USE 1/2 IN. OD COPPER TO
WITHIN 4 FT (1.2 M) OF HUMIDIFIER.
M35760
1
FILL AND DRAIN LINES CAN ALSO BE
ROUTED THROUGH OPENING IN BACK
OF CABINET.
1
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