Options; Electric Heat - Bosch SM Series Installation, Operation And Maintenance Manual

22 | Options

OPTIONS

Electric Heat

Factory-installed internal electric heater packages
are available for all unit sizes. Refer to Table 10 for
heater package compatibility with specific SM
Split AH/AV units and any configuration
restrictions.
The circuit breakers for the heater package control
power for the heater elements, the blower motor,
and the control circuit for the unit. The circuit
breaker for the unit controls power for the
compressor. This allows the electric heaters to
Part Heater
Number Model
8733938152 HK050-1202
(5kW)
8733938153 HK100-1202
(10kW)
8733938154 HK150-1202
(15kW)
x = Available without configuration restrictions
1
x = Only available on top-blow (AV cabinet) or end-blow (AH cabinet)
Table 10 SM Split AH/AV Air Handler Heater Package Compatibility
8733826256 (2020/06)
kW Stgs
208V 230V 208V
3.6 4.8 1 12300
7.2 9.6 2
24600
10.8 14.4 2 36900
Subject to change without prior notice
continue to operate along with the blower motor in
the case of unit compressor and/or compressor
power supply failure. Refer to the SM Split Air
Handler with Electric Heat option wiring diagram
(Fig. 16).
Units supplied with internal electric heat
require two (2) separate power supplies:
one for the unit compressor and one for the
electric heater elements, blower motor, and
control circuit.
Btu/h Product Series Compatibility
SM024 SM036
230V AH/AV AH/AV
16300 x x
x x
32700
49100
SM Split AH/AV Air Handler
SM048 SM060
AH/AV AH/AV
x x
1 1
x x
SM Split AH/AV Air Handler