Bosch SM070 Specifications Page 24
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24 | Vertical Configurability SM Series Heat Pump
SM Series Heat Pump6 720 220 406 (2013/9) Subject to change without prior notice
12. Reconnect high voltage wiring from Electric
Heat E-Box and Heating Element(s) matching
wire number to terminals as
shown.(Figure#80)
Figure # 80
13. Re-install Electric Heat Elements Cover(s).
(Figure#81)
Figure # 81
Electrical Box re-configuration
E-box is designed to be removable to support field
configuration of unit: Left-Hand Return and Right-
Hand Return, and also to allow full access to
compressor during servicing.
The Electrical box (E-Box) has a set of plugs that
allows complete removal from the system while
keeping the majority of its internal connections.
(FIgure#115 & #116, Pg#68 and Pg#69)
1. Disconnect wiring harness by unplugging the
following plugs: P18, P19, P20 and P23 (P12 if
unit is equipped with Electric Heat).
(FIgure#115 & #116, Pg#68 and Pg#69)
2. Disconnect compressor plugs at compressor.
3. Remove and retain Electric Box by removing
(2) screws. (Figure #82)
Figure # 82
4. Reroute all of the disconnected wire bundles
to the opposite side of the heat pump.
5. Install E-box in its new location by installing (2)
screws. (Figure #83)
Figure # 83
6. Reconnect all the wiring disconnected in Step
#1.
7. Identify and re-route LCD wiring harness to the
new location.
HT-4
HT-3
HT-2
HT-1
HLS-1
HLS-2
HLS-3
HLS-4
BLACK
RED
CAUTION: take great care to ensure all wires
are disconnected and none of the wires are
'snagged' on any components
Do not route wiring over potentially hot
surfaces or exposed sharp edges. Damage
to wiring could result.
Ensure all connectors are properly oriented
and are fully engaged.
Panel containing LCD always mounts on the
same side as E-Box.
- SM Series Heat pump 1
- CONTENTS 2
- MODEL NOMENCLATURE 3
- Figure # 2 4
- GENERAL DESCRIPTION 5
- MOVING AND STORAGE 6
- INITIAL INSPECTION 6
- LOCATION 6
- Figure # 4 7
- Figure # 5 7
- Figure # 6 7
- Figure # 7 7
- Figure # 20 10
- Figure # 21 10
- Figure # 22 10
- Figure # 23 10
- Figure # 24 10
- Figure # 27 11
- Figure # 28 11
- Figure # 29 11
- Figure # 25 11
- Figure # 26 11
- Figure # 30 12
- Figure # 31 12
- Figure # 32 12
- Figure # 33 12
- Figure # 34 12
- COUNTER-FLOW CONFIGURABILITY 13
- VERTICAL CONFIGURABILITY 13
- Figure # 39 Back Discharge 14
- Figure # 40 Side Discharge 14
- Figure # 41 14
- Required Tools 15
- Access to Internal Components 15
- Figure # 43 16
- Figure # 44 16
- Figure # 45 16
- Figure # 46 16
- Blower Re-Configuration 17
- Electric Heat Option 18
- Figure # 56 19
- Figure # 57 19
- Figure # 58 19
- Figure # 59 19
- Figure # 60 19
- Be sure to retain the spring 20
- HRP Switch Relocation 21
- Electric Heat Relocation 22
- Figure # 80 24
- Figure # 81 24
- Figure # 82 24
- Figure # 83 24
- Reinstall All Panels 25
- RETURN AND DISCHARGE DUCT 25
- MOUNTING VERTICAL UNITS 27
- MOUNTING HORIZONTAL UNITS 27
- CONDENSATE DRAIN 27
- DUCT SYSTEM 28
- ELECTRICAL 29
- Figure # 95 30
- Figure # 96 30
- Figure # 97 31
- Figure # 98 31
- ECM INTERFACE BOARD 33
- Airflow Selector 33
- Constant Torque Motors (ECM) 34
- Hot Gas Reheat (HGRH) 35
- Electric Heat 35
- Heat Recovery Package (HRP) 35
- Constant Airflow Motor 36
- DPS Water Flow Proving 36
- Pump Relay 36
- Comfort Alert Module 36
- HEAT RECOVERY PACKAGE 37
- Water Tank Preparation 37
- HR Water Piping 37
- Water Tank Refill 37
- Initial Start-Up 38
- SEQUENCE OF OPERATION 39
- Cooling Mode 39
- Heating Mode 39
- APPLICATION CONSIDERATIONS 41
- Well Water Systems 41
- Cooling Tower/Boiler Systems 41
- Figure # 104 42
- Geothermal Systems 43
- SYSTEM CHECKOUT 44
- UNIT START-UP 44
- MAINTENANCE 45
- UNIT CHECK-OUT SHEET 46
- Customer Data 46
- Unit Nameplate Data 46
- Operating Conditions 46
- Auxiliary Heat 46
- UPM Board LED Indications 47
- Unit Troubleshooting 47
- Compressor Ohms 49
- HRP Troubleshooting 50
- ELECTRONIC THERMOSTAT 51
- INSTALLATION 51
- OPERATING TEMPERATURES AND 52
- PRESSURES 52
- COOLING HEATING 53
- AIRFLOW TABLES 57
- (SM0**-***-*** 57
- Table(SM0**-***-***-A) 58
- WIRING DIAGRAMS 60
- Figure # 109 61
- Figure # 110 62
- Figure # 111 63
- Figure # 112 64
- Figure # 113 66
- Figure # 114 67
- WIRING HARNESS DRAWINGS 68
- Figure # 116 69
- SPARE PARTS LIST 70
- Vertical (VT) 70
- VT Parts List - Cabinet 72
- VT Parts List - Blower 73
- 6 720 220 408 (02) 74
- Horizontal (HZ) 77
- HZ Part List - Cabinet 79
- HZ Parts List - Blower 80
- HZ Parts List - Refrigeration 81
- HZ Part List - Panels 82
- HZ Part List - Detailed View 83
- Counter Flow Part List 84
- 6 720 220 430 (00) 86
- DIMENSIONAL DRAWINGS 91
- Horizontal - Straight Through 92
- Figure # 134 93
- Counter Flow 94
- Vertical 95
- Notes 97
- Notes 99
- Revised 08-13 100
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