Bosch SM070 Specifications Page 51
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Electronic Thermostat Installation | 51SM Series Heat Pump
6 720 220 406 (2013/9)Revised 08-13
ELECTRONIC THERMOSTAT
INSTALLATION
Position the thermostat subbase against the wall
so that it is level and the thermostat wires
protrude through the middle of the subbase. Mark
the position of the subbase mounting holes and
drill holes with a 3/16-inch bit. Install supplied
anchors and secure base to the wall. Thermostat
wire must be 8-conductor, 18-AWG wire. Strip the
wires back 1/4-inch (longer strip lengths may
cause shorts) and insert the thermostat wires into
the connector as shown. Tighten the screws to
ensure secure connections. The thermostat has
the same type connectors, requiring the same
wiring. See instructions in the thermostat for
detailed installation and operation information.
Figure # 107
When using a 2-cool, 3-heat thermostat both the
W1 & W2 on the Heat Pump and W2 & EM on
the thermostat must be connected together via
a jumper. (See Figure#107)
THERMOSTAT
PACKAGED
HEAT PUMP
Y1
G
C
O
R
Y1
G
B
R
W2
C
O
E
B
W1
W2
Y2
Y2
Packaged heat pumps are equipped with
detachable Thermostat connectors. These
connectors are located in different locations
based on the blower motor that is installed in the
unit.
a) For the X13 motor, the two detachable
connectors are on the Main Harness;
connectors are marked as P1 and P2. See Wire
Harness Drawing on Pg#68.
b) For the EON motor, the three detachable
thermostat connectors are located on the ECM
Interface board. See Wiring Harness Drawing
on Pg#69.
Harness wiring can be loose, based on the
options installed for the unit. See the Wiring
Harness Drawing notes for further details.
- 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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