LG WH27S F5 - User Manual

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www.lg.com

OWNER’S MANUAL

HEAT PUMP

WATER HEATER

Copyright © 2020 LG Electronics Inc. All Rights Reserved.

Original instruction

MFL71409202

Rev.02_112320

EN ENGLISH FR FRANÇAIS

DE DEUSTSCH IT ITALIANO

ES ESPAÑOL

PL POLSKI

Read this owner’s manual thoroughly before operating the

appliance and keep it handy for reference at all times.

Questions and Answers

J
Jennifer FowlerAug 7, 2025
What to do if my LG WH27S F5 has insufficient or no hot water?
- C
  Colleen HarmonAug 7, 2025
  If you're experiencing insufficient or no hot water with your LG Heat Pump, several factors could be the cause. First, check if your water usage has exceeded the heater's capacity; if so, wait for it to recover. Ensure that all faucets are closed and inspect your home for leaks in the plumbing system. Repair any leaks you find. Also, check if a fuse is open or a circuit breaker has tripped, and replace the fuse or reset the breaker if necessary.
M
Maria HollowayAug 22, 2025
Why is my LG WH27S F5 Heat Pump not producing enough hot water?
- M
  Meagan MontgomeryAug 22, 2025
  If your LG Heat Pump isn't producing enough hot water, the cold water inlet temperature may be lower, especially in winter, which is normal and means it will take longer to heat. Also, ensure the water connections to the unit are correctly installed and not reversed. Re-install if necessary.

Summary

Safety Instructions

Safety Precaution

General safety advice and hazard warnings for appliance operation.

Water Temperature Setting

Guidance on setting water temperature to prevent scalding hazards.

Children and Household Safety

Installation

Site Selection and Preparation

Guidelines for choosing a suitable installation location and preparing the area.

Connections and Setup

Instructions for connecting water, drain lines, and electrical systems.

Safety and Final Checks

Information on safety controls, insulation, and the final installation checklist.

Operation

Basic Controls and Display Screen

Water Temperature Adjustment

How to set and adjust the water temperature for optimal use.

Operating Modes Explanation

Maintenance

Draining and Flushing Procedures

T&P Relief Valve and Air Filter Care

Troubleshooting

Initial Troubleshooting Guide

Operational Issues: Noise, Drips, and Pressure

Connectivity and Error Codes

LG WH27S F5 Specifications

General

Brand	LG
Model	WH27S F5
Category	Heat Pump
Language	English

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