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42 | Application considerations SM Series Heat Pump
SM Series Heat Pump6 720 220 406 (2013/1) Subject to change without prior notice
APPLICATION CONSIDERATIONS
Well Water Systems
Copper is adequate for ground water that is not
high in mineral content. Should your well driller
express concern regarding the quality of the well
water available or should any known hazards exist
in your area, we recommend proper testing to
assure the well water quality is suitable for use
with water source equipment. In conditions
anticipating moderate scale formation or in
brackish water a cupro-nickel heat exchanger is
recommended. In well water applications water
pressure must always be maintained in the heat
exchanger. This can be accomplished with either
control valve or a bladder type expansion tank.
When using a single water well to supply both
domestic water and the heat pump care must be
taken to insure that the well can provide sufficient
flow for both. In well water applications a slow
closing solenoid valve must be used to prevent
water hammer. Solenoid valves should be
connected across Y1 and C1 on the interface board
for all. Make sure that the VA draw of the valve
does not exceed the contact rating of the
thermostat. (Figure #105)
Figure # 105
[1] Line voltage disconnect (unit)
[2] Flex duct Connection
[3] Low voltage control connection
[4] Line voltage connection
[5] Vibration pad
[6] P/T ports
[7] Hose kits (optional)
[8] Ball valves
[9] Solenoid valve slow closing
[10] Condensate drain connection
[11] Pressure tank (optional)
[12] Line voltage disconnect (electric heater)
Cooling Tower/Boiler Systems
The cooling tower and boiler water loop
temperature is usually maintained between 50° F
to 100 ° F to assure adequate cooling and heating
performance.
In the cooling mode, heat is rejected from the unit
into the water loop. A cooling tower provides
evaporative cooling to the loop water thus
maintaining a constant supply temperature to the
unit. When utilizing open cooling towers, chemical
water treatment is mandatory to ensure the water
is free from corrosive elements. A secondary heat
exchanger (plate frame) between the unit and the
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9
10
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12
- Heat pump 1
- CONTENTS 2
- MODEL NOMENCLATURE 3
- STANDARD PACKAGE 4
- GENERAL DESCRIPTION 4
- MOVING AND STORAGE 5
- INITIAL INSPECTION 5
- LOCATION 5
- Figure # 6 6
- Figure # 7 6
- Figure # 4 6
- Figure # 5 6
- Figure # 20 9
- Figure # 21 9
- Figure # 22 9
- Figure # 23 9
- Figure # 24 9
- Figure # 25 10
- Figure # 26 10
- Figure # 27 10
- Figure # 28 10
- Figure # 29 10
- Figure # 33 11
- Figure # 34 11
- Figure # 30 11
- Figure # 31 11
- Figure # 32 11
- COUNTER-FLOW CONFIGURABILITY 12
- VERTICAL CONFIGURABILITY 12
- Figure # 39 Back Discharge 13
- Figure # 40 Side Discharge 13
- Figure # 41 13
- Required Tools 14
- Access to Internal Components 14
- Figure # 43 15
- Figure # 44 15
- Figure # 45 15
- Figure # 46 15
- Blower Re-configuration 16
- Figure # 56 18
- Figure # 57 18
- Figure # 58 18
- Figure # 59 18
- Figure # 60 18
- Ensure to retain the spring 19
- HRP Switch Relocation 20
- Electric Heat Relocation 21
- Figure # 80 23
- Figure # 81 23
- Figure # 82 23
- Figure # 83 23
- Reinstall All Panels 24
- Figure # 87 25
- Figure # 88 25
- Figure # 89 25
- Figure # 90 25
- Figure # 91 25
- RETURN AND DISCHARGE DUCT 26
- MOUNTING VERTICAL UNITS 27
- MOUNTING HORIZONTAL UNITS 27
- CONDENSATE DRAIN 27
- DUCT SYSTEM 28
- ELECTRICAL 29
- Figure # 96 30
- Figure # 97 30
- Figure # 98 31
- Figure # 99 31
- ECM INTERFACE BOARD 33
- Hot Gas Reheat (HGRH) 35
- Electric Heat 35
- Heat Recovery Package (HRP) 35
- Figure # 101 36
- Figure # 102 36
- HEAT RECOVERY PACKAGE 38
- Water Tank Preparation 38
- HR Water Piping 38
- Water Tank Refill 38
- Initial Start-Up 39
- SEQUENCE OF OPERATION 40
- Cooling Mode 40
- Heating Mode 40
- APPLICATION CONSIDERATIONS 42
- Well Water Systems 42
- Cooling Tower/Boiler Systems 42
- Geothermal Systems 43
- Figure # 107 44
- SYSTEM CHECKOUT 45
- UNIT START-UP 45
- MAINTENANCE 45
- UNIT CHECK-OUT SHEET 47
- Customer Data 47
- Unit Nameplate Data 47
- Operating Conditions 47
- Auxiliary Heat 47
- UPM Board LED Indications 48
- Unit Troubleshooting 48
- Compressor Ohms 50
- HRP Troubleshooting 51
- ELECTRONIC THERMOSTAT 52
- INSTALLATION 52
- OPERATING TEMPERATURES AND 53
- PRESSURES 53
- COOLING HEATING 54
- AIRFLOW TABLES 58
- (SM0**-***-*** 58
- Table(SM0**-***-***-T*) 59
- WIRING DIAGRAMS 60
- Figure # 114 61
- Figure # 115 62
- Figure # 116 63
- Figure # 117 64
- Figure # 118 65
- Figure # 119 66
- WIRING HARNESS DRAWINGS 67
- Figure # 121 68
- SPARE PARTS LIST 69
- Vertical (VT) 69
- VT Parts List - Cabinet 71
- VT Parts List - Blower 72
- Electrical 73
- 6 720 220 408 (02) 74
- Horizontal (HZ) 76
- HZ Part List - Cabinet 78
- HZ Parts List - Blower 79
- HZ Parts List - Refrigeration 80
- HZ Part List - Panels 81
- HZ Part List - Detailed View 82
- Counter Flow Part List 83
- 6 720 220 430 (00) 85
- DIMENSIONAL DRAWINGS 90
- Horizontal - Straight Through 91
- Figure # 139 92
- Counter Flow 93
- Vertical 94
- Revised 05-12 96
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