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General Description - Bosch Greensource SM024 Installation, Operation And Maintenance Manual

Greensource cdi series sm model water-to-air heat pumps
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6 | General Description

GENERAL DESCRIPTION
The Greensource CDi Series SM Model Water-to-
Air Heat Pumps provide the best combination of
performance and efficiency available. The heat
pump comes equipped with Bosch's commitment
to Creative Design and Innovation (CDi).
All units are performance certified to American
Heating and Refrigeration Institute (AHRI) ISO
Standard 13256-1. All SM units conform to UL1995
standard and are certified to CAN/CSA C22.2 No
236 by Intertek-ETL. The SM units are designed to
operate with entering fluid temperature between
20°F to 80°F in the heating mode and between
40°F to 110°F in the cooling mode for continuous
operations.
A heat pump operating under extreme
conditions will have limitations on air/fluid flow
rates and/or temperatures.
NOTICE: 50° F Minimum Entering Water
Temperature (EWT) is recommended for
well water applications with sufficient
water flow to prevent freezing. Antifreeze
solution is required for all closed-loop
applications and EWT below 50°F.
Geothermal applications should have
sufficient antifreeze solution to protect
against extreme conditions and equipment
failure. Frozen water coils are not covered
under warranty. Other equivalent methods
of temperature control are acceptable.
SM Series Water-to-Air Heat Pumps are available in
Vertical (VT) and Horizontal (HZ) configurations.
HZ units can be field configured from end blow to
straight through using a field-installed accessory
kit. See page #8 for more information.
A limited number of field-installed options are
available:
Thermostats
Internally-mounted Electric Heat Kits (5kW, 10kW,
15kW, and 20kW)
Smart Start Assist
HZ Discharge Air Conversion Kit
Stainless Steel Hose Kits
Flow Centers
Swivel Fittings
See page #40 for details.
Safety devices are built into each unit to provide
the maximum system protection possible when
properly installed and maintained. Each unit has an
8733819578 (2019/02)
externally-mounted Wireless Interface Module
(WIM) that allows a technician to commission and
troubleshoot the unit wirelessly via Wi-Fi.
The basic Horizontal (HZ) unit layout and
connections are shown in Fig. 2. Refer to
Dimensional Drawings for further detail, as well as
Vertical (VT) unit details. See page #63 to
page #65.
8
Fig. 2
[1] Wireless Interface Module (WIM)
[2] Blower access panel
[3] Condensing section access panel
[4] Condensate drain connection
[5] Water connection, Swivel type (VT—field installed,
HZ—factory installed). Refer to piping on page #18.
[6] Heat Recovery water connection
[7] Heat Recovery disconnect switch
[8] Electrical connection knockout
[9] Electrical connection knockout for field-installed
Electric Heat
[10] Blower outlet (based on discharged air
configuration)
Subject to change without prior notice
Greensource CDi Series SM
7
6
5
3
2
Greensource CDi Series SM Model
1
3
4
10
9

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