Friedrich SH20M30B Installation Manual download pdf (Page 3)

Thank you for your decision to purchase the Friedrich Hazardgard (Hazardous Duty Room Air Conditioner). Your new Friedrich

has been carefully engineered and manufactured to give you many years of dependable, efficient operation, maintaining a

comfortable temperature and humidity level. Many extra features have been built into your unit to assure quiet operation, the

greatest circulation of cool, dry air, and the most economic operation.

This Installation and Operation Manual has been designed to insure maximum satisfaction in the performance of your unit. For

years of trouble-free service, please follow the installation instructions closely. We cannot overemphasize the importance of

proper installation. We have added new information to the basic instructions to help you achieve proper installation.

Congratulations!

General Instructions

Here are some suggestions to help you use your

new Friedrich most efficiently:

1. Carefully read and follow the installation instructions.

2. Make sure the unit is the right capacity for the area to be

cooled. An undersized unit makes the unit work too hard,

using more electricity than needed and increases wear. An

oversized unit will cycle on and off too rapidly, and therefore

cannot control humidity very well.

3. When you first turn on your Friedrich, set the thermostat to

its coldest position to cool the room. When the desired

temperature is reached, turn the thermostat control toward

the “warmer” position until you hear a click and the

compressor goes off. The thermostat will then cycle the

compressor to maintain the selected temperature.

4. Clean the filter frequently (See Filter Information)

5. Do not

block the air flow to and from the unit. Make sure the

louvers are directed to give even distribution of air

throughout the room. Caution: If air directed into a restricted

area such as a corner, this may cause the unit to cycle on and

off rapidly, which could damage your unit.

6. A dirty filter or improperly set controls can affect the cooling

ability of the unit.

7. If cooling is weak and you have verified that the filter is

clean and the controls are properly set, the unit may be low

on refrigerant, and you should call your Friedrich service

provider to check the unit.

8. Keep blinds, shades and drapes closed on the sunny side of

the room being cooled.

9. Proper room insulation helps your unit maintain the desired

inside temperature.

WARNING

Please read this manual thoroughly prior to equipment

installation or operation.

It is the installer’s responsibility to properly apply and

install the equipment. Installation must be in

conformance with the NFPA 70-2008 National Electric

Code or current edition, International Mechanic Code

2009 or current edition and any other applicable local

or national codes.

Failure to do so can result in property damage,

personal injury or death.

WARNING

Refrigeration system under high pressure.

Do not puncture, heat, expose to flame or incinerate.

Only certified refrigeration technicians should service

this equipment.

R410A systems operate at higher pressures than R22

equipment. Appropriate safe service and handling

practices must be used.

Only use gauge sets designed for use with R410A. Do

not use standard R22 gauge sets.

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual

and on your appliance. Always read and obey all safety messages.

This is a safety Alert symbol. This symbol alerts you

to potential hazards that can kill or hurt you and

others.

All safety messages will follow the safety alert

symbol with the word “WARNING” or “CAUTION”.

These words mean:

WARNING

Indicates a hazard which, if not

avoided, can result in severe

personal injury or death and damage

to product or other property.

CAUTION

Indicates a hazard which, if not

avoided, can result in personal injury

All safety messages will tell you what the potential hazard is, tell you

how to reduce the chance of injury, and tell you what will happen if

the instructions are not followed.

and damage to product or other property.

NOTICE

Indicates property damage can

occur if instructions are not

followed.

10. Whenever possible, shade west-facing windows with

awnings , trees, or window tinting.

11. Keep window treatments away from the unit to provide free

air flow.

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Friedrich SH20M30B Installation Manual Page 3

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