Electric Heater - Lennox BCK 020 Installation Operating & Maintenance Manual

HEATING: ELECTRIC HEATER
GENERAL INFORMATION
The Baltic electric heaters are stand alone options which are
fitted in the heating section of the unit. As for the hot water
coil or the gas burner this option slides into the heating
compartment located under the supply fan.
In order to reduce the pressure drops the airflow is ducted
around the shielded resistances. The resistances are made
smooth stainless steel tubes with a capacity of 6W/cm2.
It is protected as standard, against overheat via a high
temperature overload protection set at 90°C and located
less than 150mm after the heater itself.
There are three sizes available for each size of unit:
S: Standard heat
M: Medium heat
H: High heat
The standard and Medium heat electric heaters, are staged
control with 50% or 100%. The high heat versions is
controlled through a fully modulating triac.
Module size (kW)
12
24
36
48
54
Page 44 - IOM / ROOFTOP BALTIC Series - 0803 - E
380V
Current (A) Cap (kW)
16,3 10,8
32,6 21,5
48,9 32,3
65,2 43,0
73,4 48,4
Fig. 52
400V
Current (A) Cap (kW) Current (A)
17,0 11,8
34,0 23,5
51,1 35,3
68,1 47,0
76,6 52,9
415V
Cap (kW)
17,8 12,8
35,6 25,6
53,3 38,4
71,1 51,3
80,0 57,7