MINI ULTRA ELECTRIC BOILERS Installation and operating manual (Revision: May 2015)
6
Section 3 : INSTALLATION
The manufacturer’s warranty does not cover any damage or defect caused by installation, or
attachment, or use of any special attachment other than those authorized by the manufacturer
into, onto, or in conjunction with the water heater. The use of such unauthorized devices may
shorten the life of the boiler and may endanger life and property. The manufacturer disclaims any
responsibility for such loss or injury resulting from the use of such unauthorized devices
3.1 SAFETY MEASURES
All installation will include the supplied pressure
relief valve which limits the maximum operating
pressure to 30psi (207kPa)
This electric boiler is designed to be installed on
a circuit operated between 50F to 190F (10C to
90C) and at a maximum operating pressure of
30psi (207kPa). The unit in designed solely to
be used on a close loop hydronic heating
system. The heat transfer solution must be a
solution of water or a mix solution Water/Glycol
having a maximum glycol concentration of 50%.
The boiler high limit temperature control is set at
a fixed temperature of 210F 99C). If the heating
distribution system on which the boiler is
installed requires a high limit controller having a
lower setting, this controller will be added to the
system and connected in series with the factory
installed limit control.
3.2 LOCATION
The electric boiler should be installed in a clean,
dry location. Long hot water lines should be
insulated to conserve water and energy. The
electric boiler and water lines should be
protected
from
exposure
to
freezing
temperature.
The boiler can be mounted vertically or
horizontally directly on a solid surface with 4
adequate screws inserted in the provided boiler
openings. Make sure it is properly leveled
The electric boiler must be located or protected
so as not to be subject to physical damage, for
example, by moving vehicles, area flooding, etc.
All models can be installed directly on a
combustible wall and into an alcove. The
location must have sufficient ventilation to
maintain an ambient temperature not exceeding
90F (32C).
The electric boiler should not be located in
an area where leakage of the tank or water
connections will result in damage to the
adjacent area or to lower floors of the
structure. When such areas cannot be
avoided, a suitable drain pan or non-
flammable catch pan, adequately drained
must
be
installed
under
the
boiler.
The pan must be connected to a drain.
NOTE: Auxiliary catch pan MUST conform to
local codes.
3.3 CLEARANCES
For adequate inspection and servicing the
following minimum clearance is necessary:
Table 3: Boiler Clearances
Sides
3 inches
Electric elements side
14 inches
Front side of the boiler
3 inches*
Back
0 inches
*If the boiler is installed in a closed
compartment, allow an access service opening
and adequate ventilation to maintain an ambient
temperature lower than 90F/32C.
WARNING
!
CAUTION
!
