Tuttnauer 3870 EHS - Site Requirements for Installation of a 3870 EHS

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3.2 Site requirements for installation of a 3870 EHS
Caution
The sterilizer must be placed on a rigid and leveled surface and
must be able to hold the weight of the device and loaded material.
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).
A regulator and pressure gauge are supplied with the unit
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.
Higher rates of pressure will require the installation of a pressure
reducer.
A regulator and pressure gauge are supplied with the unit
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 # L15-20R, 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)