MYERS MCU Serie Notice D'utilisation page 3

Installation
Fire and explosion hazard. Do not use this
pump to pump flammable or explosive liquids. Use pump
only with liquids compatible with pump component mate-
rials. Do not use pump in explosive atmospheres.
Risk of flooding. If for any reason property
damage or personal injury can result from an inoperative
or leaking pump, an auxiliary switch backup system
and/or an alarm should be installed with pump.
Pump must be level!
Pump can also be installed
on wall or floor. Allow at least
6-1/2" vertical clearance to
allow tank removal.
Mount pump on side of furnace (or on floor or
1
wall).
INSTALLATION
Electrical shock and carbon monoxide haz-
ards. When mounting the pump on the side of the fur-
nace, make sure that the mounting holes clear the heat
exchanger and all wiring. The mounting screw for the
pump should touch only the pump reservoir flange and
the exterior sheet metal on the furnace. If in doubt or if
this is confusing, consult a qualified HVAC serviceman or
the furnace manufacturer.
AC Unit
Condensate
Furnace
Drain
Condensate
Drain
Plastic
Tubing
Run plastic tubing as shown into pump's drain inlet
2
hole(s).
From A.C.
Unit
Gas
Condensing
Furnace
Mount Pump
below all Heater
and A.C. Drains
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A t
l e
a s
t 6
- 1
/ 2
"
Cut tubing at an angle
so that bottom of
reservoir doesn't close it.
Be sure tubing does not
interfere with float.
1-1 1 2 " above
bottom of
reservoir
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Make sure that the tubing to the pump intake is fastened
securely so that it cannot come out of the pump intake
port. Check for local code requirements. You must comply
with codes.
3/8" ID Tubing
To Floor Drain
or Laundry Tub.
Do not kink tube!
1/2" Hose
Clamp
Run tubing as shown from hose barb on pump
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discharge to floor drain or laundry tub.
Check local codes for discharge water requirements. Run
the discharge line to a point outside the house if possible.
To do this easily, you may be able to run the condensate
discharge line out through the wall along the AC freon
line. Use the existing line if possible (when replacing an
existing pump).
Clamping the plastic discharge line to the check valve
with a 1/2" hose clamp (purchase separately) will help to
keep it in place, especially with older tubing (plastic tub-
ing tends to harden as it gets older).
Common locations for the end of the discharge line are:
A. Out a window or along the air conditioner freon line
to the outdoors.
B. To a floor drain (leave an air gap between the end of
the tube and the drain).
C. To a laundry tub or sink (leave an air gap above the
tub drain).
Ceiling and Joists
Discharge tube should
slope down toward
outlet if possible
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