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Options; Electric Heat; Smart Start Assist - Bosch Greensource SM024 Installation, Operation And Maintenance Manual

Greensource cdi series sm model water-to-air heat pumps
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40 | Options

OPTIONS
A number of field-installed options are available on
SM Series of Heat Pumps. The following details the
purpose, function, and components of each
option.

Electric Heat

Internally-mounted supplemental electric heat is
available on select models of the SM series.
Electric heating elements can operate along with
reverse cycle heating as auxiliary heat or in lieu of
mechanical heating (refrigeration heating) as
emergency backup heat. The availability matrix,
including available nominal kW capacities are
shown in the table below.
Part
Heater
Number
Model
7738003204
HK050-1201
(5kW)
7738003205
HK100-1201
(10kW)
7738003206
HK150-1201
(15kW)
7738003207
HK200-1201
(20kW)
x = Available
Table 7 Availability Matrix

Smart Start Assist

The SM series is available with the Smart Start
Assist device as a field-installed accessory. This
device reduces starting (in-rush) current for
compressors by 45% to 65%. This reduction in
starting current can eliminate or greatly reduce
"light flickering" during compressor starts and can
reduce the required size of back-up transformers.
The adaptive technology of the device can also
extend compressor life by providing smoother,
lower currents starts and by protecting the
compressor from transient over voltage and under
voltage after ramp up. The Smart Start is designed
for single-phase scroll compressors and can also
optimize algorithms for high-pressure starts. The
Smart Start Assist device is depicted in Fig. 66.
8733819578 (2019/02)
kW
Stgs
208V
230V
208V
3.6
4.8
1
12300
7.2
9.6
2
24600
10.8
14.4
2
36900
14.4
19.2
2
49200
Subject to change without prior notice
Internally-mounted Electric Heat is only
available on top-blow vertical cabinets or
end-blow horizontal cabinets.
In cases where Electric Heat is not available in
a desired configuration but is needed, contact
your Bosch distributor or local sales rep. for the
available Duct Mounted Electric Heat Package.
NOTICE: Units with internal electric heat must
have two field power supplies.
Btu/h
Product Series Compatibility
230V
SM024
SM036
x
x
16300
32700
x
x
x
49100
63400
Mounting Plate
Fig. 66 Smart Start Assist Device
Greensource CDi Series SM
SM048
SM060
SM070
x
x
x
x
x
x
x
x
x
x
x
x
Smart Start Assist
Greensource CDi Series SM Model

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