LG HM121HF Handleiding
Pagina's 201 Warmtepomp
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INSTALLATION MANUAL
AIR-TO-WATER
HEAT PUMP
Original instruction
MFL68681839
Rev
.07_060225
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Outdoor UnitIndoor Unit
HM121 / 141 / 161HF UB60HN1616HC NK0
HM123 / 143 / 163HF UB60HN1639HC NK0
HM093HFX UB60
HM071 / 091HF UB40
HM073 / 093HF UB40
www.lg.com
Copyright © 2023 - 2025 LG Electronics Inc. All Rights Reserved.
Please read this installation manual completely before
installing the product.
2
TABLE OF CONTENTS
SAFETY INSTRUCTIONS............................................................5
READ ALL INSTRUCTIONS BEFORE USE...................................................5
Safety Messages..........................................................................................5
Notes for Flammable Refrigerant..................................................................6
DELIVERED PARTS..................................................................20
GENERAL INFORMATION.......................................................22
Model information ......................................................................................22
Parts and Dimensions.................................................................................23
Control Parts...............................................................................................29
Control Panel...............................................................................................31
Typical Installation Example........................................................................32
Cycle Diagram.............................................................................................33
Wiring Diagram...........................................................................................35
INSTALLATION OF OUTDOOR UNIT.......................................41
Conditions to be considered when installing the outdoor unit....................41
Minimum Operation Space.........................................................................42
Safety Zone.................................................................................................43
Installation at Seaside.................................................................................45
Seasonal wind and cautions in winter.........................................................46
Transporting the Unit..................................................................................47
Foundation for Installation...........................................................................49
INSTALLATION OF INDOOR UNIT..........................................51
Conditions where Indoor Unit is Installed...................................................51
ELECTRICAL WIRING..............................................................54
General considerations and warnings.........................................................54
WATER PIPING........................................................................68
Water Piping and Water Circuit Connection................................................68
How to install downward water piping.......................................................70
Water pump Capacity.................................................................................74
Pressure Drop.............................................................................................74
Performance curve......................................................................................75
Water Quality..............................................................................................77
Frost protection by antifreeze ............................................................77
Frost protection by antifreeze valve ...........................................................78
Water Volume and Expansion Vessel Pressure..........................................80
ACCESSORIES INSTALLATION...............................................81
Before Installation.......................................................................................84
Thermostat..................................................................................................84
2nd Circuit...................................................................................................88
TABLE OF CONTENTS
3
TABLE OF CONTENTS
ENGLISH
3rd Party Boiler...........................................................................................91
3rd Party Controller.....................................................................................92
Meter Interface...........................................................................................93
Central Controller........................................................................................95
DHW Tank...................................................................................................96
DHW Tank Kit.............................................................................................99
Solar Thermal Kit.......................................................................................101
Buffer Tank temperature sensor...............................................................103
Dry Contact...............................................................................................104
External Controller - Setting up programmable digital input operation .....106
Remote Temperature Sensor...................................................................107
Solar pump................................................................................................109
External pump...........................................................................................110
Wi-Fi Modem............................................................................................111
Energy State.............................................................................................112
Digital Input for energy saving (ESS, Smart Grid)......................................113
2Way Valve...............................................................................................115
3Way Valve(A)...........................................................................................116
Wall-mounted air sensor...........................................................................117
Final check................................................................................................118
CONFIGURATION..................................................................119
DIP Switch Setting ...................................................................................119
SERVICE SETTING.................................................................125
How to enter service setting....................................................................125
Service setting..........................................................................................125
Service contact.........................................................................................126
INSTALLER SETTING.............................................................127
How to enter installer setting...................................................................127
Installer setting.........................................................................................128
Installer settings in detail..........................................................................154
Auto mode - Seasonal auto temp.............................................................169
Domestic hot water - DHW temperature settings....................................170
Domestic hot water - Thermal disinfection ..............................................171
Domestic hot water - DHW heating duration............................................172
Domestic hot water - DHW electric re-heating.........................................172
Domestic hot water - DHW re-circulation.................................................173
Solarthermal system - Solar collector operating range..............................174
Solarthermal system - Solar tank temp. limit............................................174
Solarthermal system - Solathermal dT......................................................174
Service - Pump test run............................................................................175
Service - Actuator test - Test mode..........................................................175
Alle foutcodes LG Warmtepomp 28 foutcodes uit 2 handleidingen, met hun betekenis.
Product specificaties
| Merk: | LG |
| Categorie: | Warmtepomp |
| Model: | HM121HF |
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