FSHW091 - 9,000 BTU Single Zone - 110V
FSHW121 - 12,000 BTU Single Zone - 110V
FSHW183 - 18,000 BTU Single Zone - 230V
FSHW243 - 24,000 BTU Single Zone - 230V
FSHW363 - 36,000 BTU Single Zone - 230V
1PB
96621400_00
TABLE OF CONTENTS
INTRODUCTION‑ 4
Important Safety Information‑ 4
Personal injury or death hazards‑ 6
Model identification guide‑ 7
Indoor Units‑ 8
Outdoor Units‑ 9
Remote Control‑ 9
SPECIFICATIONS‑ 10
Product Specifications‑ 10
Capacities and selection data‑ 14
9‑12K Operation Characteristics curve‑ 18
18‑24kK Operation Characteristics curve‑ 18
36K Operation Characteristics curve‑ 19
9‑12K Capacity Variation Ratio According to Temperature‑ 20
18‑24 K Capacity Variation Ratio According to Temperature‑ 20
36K Capacity Variation Ratio According to Temperature‑ 21
9‑12K Noise Curve‑ 21
18‑24K Noise Curve‑ 22
36K Noise Curve‑ 22
Cooling Data Sheet in Rated Frequency‑ 23
Heating Data Sheet in Rated Frequency‑ 23
18‑24K Indoor Unit Dimensions‑ 25
9‑12K Outdoor Unit Dimensions‑ 26
18‑24K Outdoor Unit Dimensions‑ 27
36K Outdoor Unit Dimensions‑ 27
OPERATION‑ 28
Remote Control Button Identification‑ 28
Remote Control Description‑ 29
9‑24k Sequence of Operation‑ 33
36k Sequence of Operation‑ 42
9‑12K Refrigerant System Diagram‑ 45
18‑24K Refrigerant System Diagram‑ 45
36K Refrigerant System Diagram‑ 46
INSTALLATION‑ 47
Installation Tools‑ 48
Installation Parts Checklist‑ 51
Selection of Installation Location‑ 51
Installation of Indoor Unit‑ 53
Leak Check, Evacuation, and Charging (Triple Evacuation)‑ 60
Checklist and Operation Test‑ 62
Check Unit following Installation‑ 62
Test Operation‑ 62
REMOVAL‑ 63
Indoor Unit‑ 63
Outdoor Unit‑ 68
WIRED CONTROLLER‑ 72
Display‑ 72
Buttons‑ 74
Operation Instructions‑ 75
Installation Instructions‑ 93
R‑410A SEALED SYSTEM REPAIR‑ 98
Service Valves Appearance‑ 98
Pumping Down‑ 99
Gas Charging (After Repair)‑ 100
COMPONENTS TESTING ‑ 101
Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (15kΩ)‑ 101
Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (20kΩ)‑ 102
Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (50kΩ)‑ 103
9‑12k Indoor Unit Printed Circuit Board Identification‑ 104
18‑24k Indoor Unit Printed Circuit Board Identification‑ 105
36k Indoor Unit Printed Circuit Board Identification‑ 106
9‑12k Outdoor Unit Printed Circuit Board Identification‑ 107
18‑24k Outdoor Unit Printed Circuit Board Identification‑ 108
36k Outdoor Unit Printed Circuit Board Identification‑ 109
TROUBLESHOOTING‑ 110
Diagnostic Codes‑ 110
Malfunction of Temperature Sensor F1, F2‑ 118
9‑12k Malfunction of blocked Protection of IDU Fan Motor H6‑ 119
18‑36k Malfunction of blocked Protection of IDU Fan Motor H6‑ 120
Malfunction of Protection of Jumper Cap C5‑ 121
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TABLE OF CONTENTS
Malfunction of IDU Fan Motor U8‑ 122
Malfunction of Communication E6 ‑ 124
Malfunction of Power Supply from Indoor to Outdoor Unit‑ 125
Malfunction of Detecting Plate (WIFI) JF‑ 126
Indoor fan does not rotate and there is no Feedback‑ 127
Temperature sensor malfunction‑ 128
Malfunction diagnosis of startup failure‑ 129
Diagnosis of losing synchronism for compressor ‑ 130
9‑12k, 36k Diagnosis of overload and discharge malfunction‑ 131
18‑24k Diagnosis of overload and discharge malfunction‑ 132
Capacity Charging malfunction ‑ Outdoor unit‑ 133
9‑24k PM protection, phase current overcurrent ‑ 134
36k IPM Protection, Out‑of‑Step Fault, Compressor Phase Overcurrent‑ 135
High temperature and Overload Protection Diagnosis‑ 136
PFC (Correction Power Factor) Outdor Unit Malfuction‑ 137
Communication malfunction: (following AP1 for outdoor unit control board)‑ 138
High‑pressure Protection‑ 139
Troubleshooting for Malfunction without Active Error Code‑ 140
WIRING DIAGRAMS‑ 143
9‑12K Indoor Unit Wiring Diagram ‑ 143
18‑24k Indoor Unit Wiring Diagram‑ 144
36K Indoor Unit Wiring Diagrams ‑ 145
18‑24k Outdoor Unit Wiring Diagrams‑ 147
36k Outdoor Unit Wiring Diagrams‑ 147
PARTS CATALOG‑ 148
9K Indoor Unit ‑ 148
12k Indoor Unit‑ 150
18K Indoor Unit‑ 152
24K Indoor Unit‑ 154
36K Indoor Unit‑ 156
9K Outdoor Unit‑ 158
12k Outdoor Unit‑ 160
18k Outdoor Unit‑ 162
24k Outdoor Unit‑ 164
36k Outdoor Unit‑ 166
APPENDIX‑ 168
Appendix 1: Reference Sheet of Celsius and Farenheit‑ 168
Appendix 2: Configuration of Connection Pipe‑ 168
Appendix 3: Pipe Expanding Method‑ 169
LIMITED WARRANTY‑ 170
FRIEDRICH AUTHORIZED PARTS DEPOTS‑ 171
3PB
INTRODUCTION
Important Safety Information
The information in this manual is intended for use by a qualified technician who is familiar with the safety procedures
required for installation and repair, and who is equipped with the proper tools and test instruments required to service
this product.
Installation or repairs made by unqualified persons can result in subjecting the unqualified person making such repairs
as well as the persons being served by the equipment to hazards resulting in injury or electrical shock which can be
serious or even fatal.
Safety warnings have been placed throughout this manual to alert you to potential hazards that may be encountered. If
you install or perform service on equipment, it is your responsibility to read and obey these warnings to guard against
any bodily injury or property damage which may result to you or others.
Your safety and the safety of others is 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
CAUTION
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.
NOTICE
Indicates a hazard which, if not avoided, can result in severe personal
injury or death and damage to product or other property.
Indicates a hazard which, if not avoided, can result in personal injury and
damage to product or other property.
Indicates property damage can occur if instructions are not followed.
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.
4PB
INTRODUCTION
Important Safety Information
CAUTION
DO NOT OPERATE EQUIPMENT DURING ACTIVE STAGES OF CONSTRUCTION
To ensure proper operation, Friedrich requires that all equipment is not operated during active construction phases. This includes active stages of
completing framing, drywalling, spackling, sanding, painting, flooring, and moulding in the equipment’s designated conditioning space. The use of this
equipment during construction could result in premature failure of the components and/or system and is in violation of our standard warranty guide‑
lines. The operation of newly installed equipment during construction will accelerate the commencement and/or termination of the warranty period.
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.
WARNING
Refrigeration system under high pressure. Do not punc-
ture, heat, expose to ame or incinerate. Only certied
refrigeration technicians should service this equipment.
R410A systems operate at higher pressures than R22
equipment. Appropriate safe service and handling prac-
tices must be used. Only use gauge sets designed for use
with R410A. Do not use R22 gauge sets. Failure to do so
can result in property damage, personal injury, or death.
WARNING
Electrical shock hazard.
Turn OFF electric power before service or installation.
Unit must be properly grounded.
Unit must have correct fuse or circuit breaker protec‑
tion. Unit’s supply circuit must have the correct
wire conductor size. All electrical connections and
wiring must be installed by a qualified electrician and
conform to the National Electrical Code and all local
codes which have jurisdiction. Failure to do so can
result in property
damage, personal injury and/or death.
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 the 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:
Indicates a hazard which, if not avoided, can result in
severe personal injury or death and damage to product or
other property.
WARNING
Indicates a hazard which, if not avoided, can result in
personal injury and damage to product or other property.
All safety messages will tell you how to reduce the chance
of injury, and tell you what will happen if the instructions
are not followed.
CAUTION
Indicates property damage can occur if instructions
are not followed.
NOTICE
5PB
Personal injury or death hazards
INTRODUCTION
WARNING
Do not remove, disable or
SAFETY
bypass this unit’s safety
devices. Doing so may cause
FIRST
injuries, or death.
ELECTRICAL HAZARDS:
• Shutdown and/or disconnect all electrical power to the unit before performing inspections, maintenance, or
service.
• Make sure to follow proper lockout/tag out procedures.
• Always work in the company of a qualied assistant if possible.
• Capacitors, even when disconnected from the electrical power source, retain an electrical charge potential
capable of causing electric shock or electrocution. Wait a few minutes after shutdown to allow the capacitors to
discharge the stored energy.
• Handle, discharge, and test capacitors according to safe, established, standards, and approved procedures.
• Extreme care, proper judgment, and safety procedures must be exercised if it becomes necessary to test or
troubleshoot equipment with the power turned on to the unit.
AVERTISSEMENT ADVERTENCIA
Ne pas supprime, désactiver ou
contourner cette l´unité des
dispositifs de sécurité, faire vous
risqueriez de provoquer le feu, les
blessures ou la mort.o muerte.
No eliminar, desactivar o pasar
por alto los dispositivos de
seguridad de la unidad. Si lo hace
podría producirse fuego, lesiones
• Do not spray water on the air conditioning unit while the power is on.
• Electrical component malfunction caused by water could result in electric shock or other electrically unsafe
conditions when the power is restored and the unit is turned on, even after the exterior is dry.
• Use air conditioner on a single dedicated circuit within the specied amperage rating.
• Ensure the unit that the unit is properly grounded.
• Do not cut or modify the power supply cord or remove the ground prong of the plug.
• Never operate the unit on an extension cord.
• Follow all safety precautions and use approved protective safety equipment such as: gloves, goggles, and
clothing. Ensure that properly insulated tools, and testing equipment are are used as well to protect against
equipment damage and reduce the risk of injury.
• Failure to follow proper safety procedures and these warnings can result in serious injury or possibly death.
6PB
Model identification guide
MODEL IDENTIFICATION GUIDE
INTRODUCTION
Model Type:
FR- Floating Air Premier
FP - Floating Air Pro
FS- F loating Air Select
Function :
HS – Hea t Pump Single
HM – Heat Pump Multi
HF – Heat Pump Flex Single and
Multizon e
● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the
model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
● After putting through the power, the air conditioner will give out a sound. Operation indicator " " is ON (red indicator, the colour is
different for different models). After that, you can operate the air conditioner by using remote controller.
●
Under on status, pressing the button on the remote controller, the signal icon " "
and the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner.
● Under off status, set temperature and clock icon will be displayed on the display
of remote controller (If timer on, timer off and light functions are set, the corre- sponding icons will be displayed on the display of
remote controller at the same
time); Under on status, the display will show the corresponding set function icons.
on the display of remote controller will blink once
Figure 301
Remote Control Button Identification
28PB
OPERATION
Remote Control Description
1. ON/OFF button
Press this button to turn on the unit. Press this button again to turn off the unit.
2. MODE button
Press this button to select your required operation mode.
FANAUTOCOOLDRYHEAT
● When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Set temperature can't be adjusted and
will not be displayed as well. Press "FAN" button can adjust fan speed. Press "SWING" button can adjust fan blowing angle.
● After selecting cool mode, air conditioner will operate under cool mode. Cool indicator on indoor unit is ON. (This indicator is not available
for some models).Press "▲" or "
adjust fan blowing angle.
indicator is not available for some models). Under dry mode, fan speed can't be adjusted. Press "SWING" button to adjust fan blowing
angle.
● When selecting fan mode, the air conditioner will only blow fan, no cooling and no heating. All indicators are OFF. Press "FAN" button to
adjust fan speed. Press "SWING" button to adjust fan blowing angle.
● When selecting heating mode, the air conditioner operates under heat mode. Heat indicator on indoor unit is ON. (This indicator is not
available for some models).Press "▲" or "
button to adjust fan blowing angle. (Cooling only unit won't receive heating mode signal. If setting heat mode with remote controller, press
ON/OFF button can't start up the unit).
Note:
● For preventing cold air, after starting up heating mode, indoor unit will delay 1~5 minutes to blow air (actual delay time is depend on indoor
ambient temperature).
● Set temperature range from remote controller: 60.8 ~ 86°F; Fan speed: auto, low speed, medium speed, high speed.
3. FAN button
Pressing this button can set fan speed circularly as: auto (AUTO), low(
▲
" button to adjust set temperature. Press "FAN" button to adjust fan speed. Press "SWING" button to
" on indoor unit is ON.(This ● When selecting dry mode, the air conditioner operates at low speed under dry mode. Dry indicator "
▲
" button to adjust set temperature. Press "FAN" button to adjust fan speed. Press "SWING"
) ,medium( ), high( ).
Auto
Note:
● Under AUTO speed, air conditioner will select proper fan speed automatically according to ex-factory setting.
● Fan speed under dry mode is low speed.
● X-FAN function:Hold fan speed button in COOL or DRY mode, the icon “ ” is displayed and the indoor fan will continue operation for a
few minutes in order to dry the indoor unit even though you have turned off the unit. After energization, X-FAN OFF is defaulted. X-FAN is not
available in AUTO, FAN or HEAT mode.
This function indicates that moisture on evaporator of indoor unit will be blowed after the unit is stopped to avoid mould.
●Having set X-FAN function on:After turning off the unit by pressing ON/OFF button indoor fan will continue running for a few minutes.at low
speed.In this period,Hold fan speed button to stop indoor fan directly.
●Having set X-FAN function off: After turning off the unit by pressing ON/OFF button, the complete unit will be off directly.
4. SWING button
Press this button can select up&down swing angle. Fan blow angle can be selected circularly as below:
no display
(horizontal louvers stops at current position)
● When selecting "
● When selecting "
● When selecting "
Note:
● "
5. TURBO button
Under COOL or HEAT mode, press this button to turn to quick COOL or quick HEAT mode. " " icon is displayed on remote controller.
Press this button again to exit turbo function and " " icon will disappear.
"button above 2s to set your required swing angle. When reaching your required angle, release the button.● Hold "
" may not be available. When air conditioner receives this signal, the air conditioner will blow fan automatically.
、 、
", air conditioner is blowing fan automatically. Horizontal louver will automatically swing up & down at maximum angle.
、 、 、 、
、
、
29PB
Remote Control Description
OPERATION
6. ▲/▲ button
● Press "▲" or "
(Temperature can't be adjusted under auto mode)
● When setting TIMER ON,
buttons)
7. SLEEP button
Under COOL, HEAT mode, press this button to start up sleep function. " " icon is displayed on remote controller. Press this button again
to cancel sleep function and " " icon will disappear.
8.
TEMP button
By pressing this button, you can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor units
display. The setting on remote controlleris selected circularly as below:
● When selecting "
● When selecting "
● When selecting "
Note:
●
Outdoor temperature display is not available for some models. At that time, indoor
temperature.
● It's defaulted to display set temperature when turning on the unit.There is no display in the remote controller.
● Only for the models whose indoor unit has dual-8 display.
● When selecting displaying of indoor or outdoor ambient temperature, indoor temperature indicator displays corresponding temperature and
▲
" button once increase or decrease set temperature 1
TIMER OFF or CLOCK, press "▲" or " " button to adjust time. (Refer to CLOCK, TIMER ON, TIMER OFF
no display
" or no display with remote controller, temperature indicator on indoor unit displays set temperature.
" with remote controller, temperature indicator on indoor unit displays indoor ambient temperature.
" with remote controller, temperature indicator on indoor unit displays outdoor ambient temperature.
. Holding "▲" or "▲" button, 2s later, set temperature on remote
°F
▲
unit receives "
"signal, while it displays indoor set
9. WIFI button
Press " WiFi " button to turn on or turn off WiFi function. When WiFi function is turned on, the " WiFi " icon will be displayed on remote
controller; Under status of remote controller off, press "MODE" and " WiFi " buttons simultaneously for 1s,WiFi modulewill restore to factory
default setting.
● This function is only available for some models.
10. LIGHT button
Press this button to turn off display light on indoor unit. "
display light. " " icon is displayed.
11. CLOCK button
Press this button to set clock time. " " icon on remote controller will blink. Press "▲" or "▲" button within 5s to set clock time. Each
pressing of "▲" or "
Note:
● Clock time adopts 24-hour mode.
● The interval between two operation can't exceeds 5s. Otherwise, remote controller will quit setting status. Operation for TIMER ON/TIMER
OFF is the same.
TIMER ON / TIMER OFF button
12.
● TIMER ON button
"TIMER ON" button can set the time for timer on. After pressing this button, "
blinks. Press "▲" or "
decrease 1min. Hold "▲" or "
started up, press "TIMER ON" button to cancel it.
● TIMER OFF button
"TIMER OFF" button can set the time for timer off. After pressing this button,"
controller blinks. Press "▲" or "
TIMER OFF setting will increase or decrease 1min. Hold "▲" or "
required time. Press "TIMER OFF" word "OFF" will stop blinking. " " icon resumes displaying. Cancel TIMER OFF. Under the condition
that TIMER OFF is started up, press "TIMER OFF" button to cancel it.
▲
" button, clock time will increase or decrease 1 minute. If hold "▲" or "▲" button, 2s later, time will change quickly.
▲
"button to adjust TIMER ON setting. After each pressing "▲" or "▲" button, TIMER ON setting will increase or
▲
" button, 2s later, the time will change quickly until reaching your required time. Press "TIMER ON" to
" icon resumes displaying. Cancel TIMER ON: Under the condition that TIMER ON is
▲
" button to adjust TIMER OFF setting. After each pressing "▲" or "▲" button,
" icononremotecontrollerdisappears. Press this buttonagaintoturnon
" icon stops blinking.
" icon disappears and the word "ON" on remote controller
" icon disappears and the word "OFF" on remote
▲
" button, 2s later, the time will change quickly until reaching your
30PB
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