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Site requirements for installation of a 3870 EHS
1. Counter top
able to support a minimum 400 lb. * (the unit is shipped
with a suitable stand - 26”W x 33”D x 34”H)
2. Counter space
minimum 26”W x 39”D x 24”H * (see unit dimensions
below)
3. City water
supply 15 – 58 psi with shut off valve having ½” NPT male
end. Higher rates of pressure will require the installation of a pressure
reducer (58 psi max) The minimum flow rate required is 0.66 gal/min.
(2.5 lit./min.). Installation of the valve should be 2” above counter
height at the rear of the unit.
4. Mineral Free water
supply 7 – 30 psi with shut off valve and ½” NPT
male end. If the water pressure, at the autoclave inlet, is higher then 58
psi (4 bar), adjust the shut off valve for a low water flow into the
mineral free water reservoir. The minimum rate of flow is 0.26 gal/min
(1 lit/min). Installation of the valve should be 2” above counter height at
the rear of the unit. * (an optional R.O. water system is available)
5. Electrical power
20A - 208V three phase, three power lines plus a
ground. Connection required; flush mount receptacle or drop line with
NEMA # L1520R, this is a twist lock connector, within 1 foot of the rear
of the unit.
6. Drainage
should be to a 4” high 4” diameter air break, reducing down
to a 1 ½” vented line with a trap. All drainage components must be able
to withstand a non-continuous temperature of 140°F (60°C). Drain
opening should be within 1 foot of the rear of the unit and no higher
than 16” above the floor. The use of two ½”x 6" Milford Type Copper
Coated Hangers is required for the positioning of the two drain hoses
over the center of the air break and a 4” metal worm gear clamp to
secure the hangers. The hangers will need to be bent at a 90º angle to
allow for proper positioning and securing with the clamp.
* (see
attached drawing)
Caution!
Wastewater should be brought into the public sewage network in
accordance with the local rules or requirement i.e. only non-
hazardous liquids shall be disposed in public sewage!
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