Friedrich Kuhl SM18M30 User Manual

Friedrich Kuhl SM18M30

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Installation and Operation Manual

Standard Chassis Models

115-Volt:

208-230-Volt:

Room Air Conditioners

920-198-00 (11-09)

SS08M10, SS10M10, SS12M10, SS14M10

SS12M30, SS15M30, SM18M30, SM21M30

SL25M30, SL28M30, SL36M30

115-Volt:

208-230-Volt:

YS10M10

ES12M33, ES15M33, YS12M33, EM18M34,

YM18M34, EL25M35, EL36M35, YL24M35

SYSTEM FAN MODE

SCHEDULE FAN SPEED

AUTO

AUTO

AUTO

CONTINUOUS

°F °C

Questions and Answers:

A
Amy WaltonJul 30, 2025
Why my Friedrich Kuhl SM18M30 does not cool or heat room sufficiently?
- L
  Leonard WilsonJul 30, 2025
  If your Friedrich air conditioner isn't cooling or heating the room adequately, or if it cycles on and off too frequently, consider the following: * Make sure that the return and discharge air grilles are not blocked by obstructions such as curtains or furniture. * Ensure all windows and doors are closed. * Adjust the temperature to a cooler or warmer setting as needed. * Clean or replace a dirty air filter. * Clean the indoor and outdoor coils to remove any obstructions. * Use exhaust fans when cooking or showering to reduce excess heat or moisture in the room. * Allow extra time for the air conditioner to cool down a very hot room.
M
Martha AguilarAug 4, 2025
Why Friedrich air conditioner runs too much?
- J
  James WilliamsAug 4, 2025
  If your Friedrich air conditioner runs more than expected: * It might be due to a high heat load in the room. If there are heat-producing appliances in use or the room is heavily occupied, the unit will run longer to remove the extra heat. Using exhaust vent fans while cooking or bathing can help. * It could be due to an improperly sized unit. * Higher efficiency air conditioners may run longer, which is normal. The actual energy usage will be less compared to older models. * The discharge air temperature may not seem as cold as older units, but the energy efficiency and cooling capacity are certified.
R
renee88Aug 9, 2025
Why Friedrich Kuhl SM18M30 does not cool when outside temperature is below 60° F?
- J
  Jason MorrisonAug 9, 2025
  Do not operate your Friedrich air conditioner in cooling mode when the outside temperature is below 60° F (16° C). The unit will not cool properly and may be damaged.
S
Sandra ChurchAug 13, 2025
Why Friedrich Kuhl SM18M30 Air Conditioner does not operate?
- P
  Patricia HinesAug 14, 2025
  Your Friedrich air conditioner might not be operating because: * It is turned off, or the thermostat setting is already satisfied. Turn the unit to the on position and adjust the temperature setting to initiate operation. * The LCDI power cord is not properly plugged in. Ensure it is plugged into a grounded receptacle. * The LCDI power cord has tripped. Press and release the RESET button to resume operation. * A circuit breaker has tripped, or a fuse has blown. Reset the breaker or replace the fuse. If the issue persists, contact a licensed electrician. * There has been a power failure. The unit should resume operation automatically once power is restored.
M
Michael ChaneyAug 18, 2025
What to do if Friedrich Kuhl SM18M30 trips circuit breaker or blows fuses?
- D
  Donald OwenAug 18, 2025
  If your Friedrich air conditioner is tripping the circuit breaker or blowing fuses, here's what to check: * Ensure the air conditioner is on a dedicated circuit, as sharing it with other appliances can cause this issue. * Do not use an extension cord with the air conditioner. * Verify that the circuit breaker or time-delay fuse has the correct rating. If problems continue, it is recommended to contact a licensed electrician.
J
Jeffrey BrownAug 25, 2025
What to do if LCDI power cord trips on Friedrich air conditioner?
- T
  Tyler NortonAug 25, 2025
  If the LCDI power cord on your Friedrich air conditioner trips (reset button pops out): * Press and release the RESET button to resume normal operation, as the cord may trip due to power supply disturbances. * Check for electrical overloads, overheating, or cord pinching. Correct these issues, then press and release the RESET button. * If the power supply cord is damaged, it must be replaced with a new one from the manufacturer and not repaired.

Friedrich Kuhl SM18M30 Specifications

General

Brand	Friedrich
Model	Kuhl SM18M30
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Before Operating Your Unit

Electrical Requirements

Ensure proper electrical receptacle and wiring for safe operation.

Power Cord Testing

Procedure to test the unit's Leakage Current Detection Interrupter (LCDI) power cord.

Control Panel Operation

Control Panel Overview

Description of buttons and display elements on the control panel.

System Status Indicators

User Menu and Special Functions

Accessing panel lock, filter reset, and user menu for settings.

User Menu Settings

Advanced User Settings

Remote Control Operation

Remote Control Usage

Installation Requirements and Tools

Electrical Specifications

Details on power supply, circuit protection, and wiring requirements for installation.

Standard Window Installation

Through-the-Wall Installation

Cabinet and Wall Preparation

Programmable Thermostat Operation

Setting Wake Time Periods

Thermostat Schedule Programming

Final Inspection and Start-up

Post-Installation Checks

Checklist for ensuring proper installation, component function, and owner instruction.

Routine Maintenance Procedures

Filter, Coil, and Wall Sleeve Care

Troubleshooting Common Issues

Friedrich Limited Warranty

Warranty Coverage and Terms

Details of warranty for parts failure and system coverage, including limitations.

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