Kanmor Mixing Control 362e Data Brochure page 10

BOILER FIRE DELAY (Boil DLY)
The Boil DLY is the delay time that may happen between the time that the control closes the boiler contact and the burner fires.
This delay is usually the result of a burner pre-purge or other forms of time delay built into the burner's safety circuits.
BOILER MASS (Boil MASS)
The Boil MASS setting allows the control to adjust to different types of heat sources depending on their thermal mass.
Light (LITE)
The LITE setting is selected if the boiler that is being used has a low thermal mass. This means that the boiler has a very
small water content and has very little metal in the heat exchanger. A boiler that has a low thermal mass comes up to
temperature quite rapidly. This is typical of many copper fin-tube boilers.
Medium (MED)
The MED setting is selected if the boiler that is being used has a medium thermal mass. This means that the boiler either
has a large water content and a low metal content or a low water content and a high metal content. This is typical of many
modern residential cast iron boilers.
Heavy (HEVY)
The HEVY setting is selected if the boiler that is being used has a high thermal mass. This means that the boiler has both
a large water content and a large metal content. A boiler that has a high thermal mass is relatively slow in coming up to
temperature. This is typical of many commercial cast iron and steel tube boilers.
Section C2: Boiler Return Sensor
BOILER SENSOR ON THE RETURN (Boil SENS = RET)
The boiler sensor should be located on the boiler return if the 362e is one of many
controls that can call for boiler operation. When in the return mode, the control
provides a boiler enable. The control no longer tries to control the boiler supply water
temperature directly but allows the boiler to operate at its operating aquastat setting. If
this mode of operation is selected, the boiler pump should either operate continuously
or be operated in parallel with the Mixing Pump. The boiler pump should not be
operated by the boiler's aquastat as this may lead to improper cycling of the boiler
because of inconsistent flow past the boiler return sensor.
When the mixing device begins to ramp up, the boiler contact on the control closes. The boiler contact remains closed until the
mixing device no longer requires heat. With the sensor on the boiler return, the control is still capable of providing boiler return
protection as described in section A.
Section C3: No Boiler Sensor
NO BOILER SENSOR (Boil SENS = NONE)
The control is capable of operating without a boiler sensor if desired. Without a boiler
sensor, the control is unable to provide boiler return protection. The boiler contact
still functions without the boiler sensor. When the mixing device begins to ramp up,
the boiler contact on the control closes. The boiler contact remains closed until the
mixing device no longer requires heat. This type of application is typical if the control
is drawing heat from a heat source that already incorporates some form of boiler
return protection.
© 2003 D 362e - 06/03 10 of 32