ECR International Utica Boilers MAH-125 Installation, Operation And Maintenance Manual page 77

Water 1st Degree Burn
Temperature Exposure Time For
Setting An Adult
120° F 1 minute
130° F 5 seconds
140° F 2 seconds
150° F 1 second
160° F Instantaneous
Note: Warning for Infants, Children, and Elderly:
Great care must be taken when exposing the
aforementioned groups to warm or hot water as they
can be badly burned in exposure times less than half
of the time for an adult.
GENERAL INFORMATION - HYDRONIC PIPING
2nd and 3rd Degree Burn
Exposure Time For An
Adult
5 minutes
30 seconds
5 seconds
1.5 seconds
0.5 seconds
Provided Wiring and Piping illustrations
Note
are meant to show system concepts only.
Installer is responsible for all equipment
required by authority having jurisdiction.
Arrange piping to prevent water dripping
Note
onto boiler.
All piping diagrams are shown with optional DHW Indirect
Tank where applicable.
Use of Indirect Storage Tank (DHW):
Note Sensors supplied with this boiler are
proprietary to the manufacturer. Use of
alternate sensors WILL diminish boiler
performance.
☐ Use either DHW sensor or Indirect Tank Thermostat
to interface with boiler. Wire to M2 terminals #9 and
#10.
☐ Use of booster pump to increase flow rate to indirect
tank is not recommended by manufacturer.
☐ Locate tank as close to boiler as possible.
☐ Size DHW tank, piping, and system to use only internal
boiler pump.
☐ See available pump/flow rate chart, page 35 of this
manual.
☐ Change P03 on boiler for application as specified on the
wire diagram and Boiler Control section of Installation,
Operation & Maintenance Manual supplied with the
boiler.
The Labor Saver Piping Manifold, which is supplied with
each boiler, is shown with most of the following piping
diagrams.
7
PN 240011430 REV. M [06/30/2019]