Outdoor Unit
TECHNICAL DATA & SERVICE MANUAL
Indoor Unit
Model No
When Transporting
SPECIAL PRECAUTIONS
Please Read Before Starting
When Installing…
Others
When Servicing
Check of Density Limit
Manifold gauge Vacuum pump
1. Care regarding tubing
3. Different tools required
Fig.
Configuration and characteristics of cylinders
Fig.
Section 2: PROCESSES AND FUNCTIONS
Section 1: SPECIFICATIONS
Section 4: SERVICE PROCEDURES
Section 3: ELECTRICAL DATA
1. SPECIFICATIONS
TENTATIVE
POWER SOURCE
1. Specifications 1-1Unit Specifications
4-WayCassette Type
FEATURES
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
POWER SOURCE
Wall Mounted Type
1. Specifications 1-1Unit Specifications
FEATURES
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
POWER SOURCE
Ceiling Type
1. Specifications 1-1Unit Specifications
FEATURES
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
POWER SOURCE
Low Silhouette Duct Type
1. Specifications 1-1Unit Specifications
FEATURES
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
FEATURES
1. Specifications 1-1Unit Specifications
POWER SOURCE
DIMENSIONS & WEIGHT
A Indoor Unit
1. Specifications
1-2Major Component Specifications
DATA SUBJECT TO CHANGE WITHOUT NOTICE
A Indoor Unit
1. Specifications
1-2Major Component Specifications
DATA SUBJECT TO CHANGE WITHOUT NOTICE
A Indoor Unit
1. Specifications
1-2Major Component Specifications
DATA SUBJECT TO CHANGE WITHOUT NOTICE
Remote controller Optional / Supplied
1. Specifications
1-2Major Component Specifications
A Indoor Unit
A Indoor Unit
1. Specifications
1-2Major Component Specifications
DATA SUBJECT TO CHANGE WITHOUT NOTICE
A Indoor Unit
1. Specifications
1-2Major Component Specifications
DATA SUBJECT TO CHANGE WITHOUT NOTICE
A Indoor Unit
1. Specifications
1-2Major Component Specifications
DATA SUBJECT TO CHANGE WITHOUT NOTICE
Remote controller Supplied / Optional
1. Specifications
1-2Major Component Specifications
A Indoor Unit
Remote controller Supplied / Optional
1. Specifications
1-2Major Component Specifications
A Indoor Unit
1-2Major Component Specifications B Outdoor Unit
1. Specifications
U-36PE1U6
1. Specifications
1-2Major Component Specifications B Outdoor Unit
P-42PE1U6
1. Specifications
1-2Major Component Specifications B Outdoor Unit
1. Specifications
1-2Major Component Specifications B Outdoor Unit
U-36PS1U6
1. Specifications
1-2Major Component Specifications B Outdoor Unit
1. Specifications
1-2Major Component Specifications B Outdoor Unit
DATA SUBJECT TO CHANGE WITHOUT NOTICE
1-3Other Component Specifications Outdoor Unit
1. Specifications
1-35
DATA SUBJECT TO CHANGE WITHOUT NOTICE
1. Specifications
1-3Other Component Specifications Outdoor Unit
1-36
DATA SUBJECT TO CHANGE WITHOUT NOTICE
1. Specifications
1-3Other Component Specifications Outdoor Unit
1-37
1. Specifications 1-4Dimensional data
Indoor unit : 4-WayCassette Type 26 Type
1. Specifications
1-4Dimensional data
Indoor unit : 4-WayCassette Type 36, 42Type
1. Specifications
Indoor unit : Wall Mounted Type
1-4Dimensional data
Drain and wiring port 3-5/32
Indoor unit : Ceiling Type 26 Type
1. Specifications 1-4Dimensional data
Indoor unit : Ceiling Type 36, 42 Type
1. Specifications 1-4Dimensional data
Indoor unit : Low Silhouette Duct Type 26 Type
1. Specifications 1-4Dimensional data
Indoor unit : Low Silhouette Duct Type 36 Type
1. Specifications 1-4Dimensional data
Indoor unit : Low Silhouette Duct Type
1. Specifications 1-4Dimensional data
1. Specifications 1-4Dimensional Data
B Outdoor Unit: U-42PE1U6, U-42PS1U6
1. Specifications 1-4Dimensional Data
Indoor Unit : 26, 30, 36 Types
1-5Refrigerant Flow Diagram
Outdoor Unit : U-26PE1U6, U-26PS1U6
U-36PE1U6, U-36PS1U6
1. Specifications
Outdoor Unit: U-42PE1U6, U-42PS1U6
1-6Operating Range
1-5Refrigerant Flow Diagram
1. Specifications
U-26PE1U6, U-26PS1U6 U-36PE1U6, U-36PS1U6
U-42PE1U6, U-42PS1U6
1. Specifications 1-8Noise Criterion Curves
4-WayCassette Type
Wall Mounted Type
1. Specifications 1-8Noise Criterion Curves
208 - 230 V, 1 Phase, 60 Hz
S-26PK1U6
MODEL
1. Specifications 1-8Noise Criterion Curves
Ceiling Type
Low Silhouette Duct Type
1-8Noise Criterion Curves
1. Specifications
Outdoor Units
1. Specifications 1-8Noise Criterion Curves
Indoor Fan Performance
1. Specifications 1-9Increasing the Fan Speed
How to read the diagram
26 Type
Model: 26 Type
1-10Air throw distance chart 4-WayCassette Type
1. Specifications
Model: 36, 42 Type
1. Specifications 1-10Air throw distance chart
Wall Mounted Type
Model: 26 Type
1-10Air throw distance chart Ceiling Type
1. Specifications
Model: 36 Type
Time delay fuse or
1. Specifications
General Precautions on Wiring
Time delay fuse or
Outdoor Unit
1. Specifications
Wiring System Diagrams
Indoor Unit U1, T1, F1 Types
For stranded wiring
1. Specifications
How to Connect Wiring to the Terminal
Fig.
Table
1. Specifications
Outdoor Unit 1. Tubing Size
Indoor unit type
1. Specifications
2. Check of density limit
Installation space
1. Specifications
3. SELECTING THE INSTALLATION SITE
Installation requirements
3-2. Air-DischargeChamber for Top Discharge
1. Specifications
3-3.Installing the Unit in Heavy Snow Areas
Countermeasures against snow and wind
For U-26PES1U6 / U-36PES1U6unit
1. Specifications
3-5.Dimensions of Wind Ducting
For U-42PES1U6unit
Wind
1. Specifications
U-42PES1U6unit
direction
Required space around outdoor unit
1. Specifications
U-26PES1U6 / U-36PES1U6 / U-42PES1U6
For U-42PES1U6unit
1. Specifications
3-6.Dimensions of Snow Ducting
1. Specifications
U-42PES1U6unit
Space requirements for setting –
1. Specifications
Reference diagram for snow-proofvents –
U-26PES1U6 / U-36PES1U6 / U-42PES1U6
Space requirements for setting –
1. Specifications
Reference diagram for snow-proofvents –
Installation in front-rearrows
4-1.Installing the Outdoor Unit
4. HOW TO INSTALL THE OUTDOOR UNIT
1. Specifications
4-3.Routing the Tubing and Wiring
5-1.Indoor Unit AVOID
1. Specifications
Indoor Unit 5. SELECTING THE INSTALLATION SITE
Ceiling Type
4-WayCassette Type U1 Type
6. HOW TO INSTALL THE INDOOR UNIT
1. Specifications
6-1.Suspending the Indoor Unit
Fig.
1. Specifications
6-3.Placing the Unit Inside the Ceiling
Fig.
Fig.
1. Specifications
6-4.Installing the Drain Piping
Fig.
ing to the outdoor unit are completed
1. Specifications
6-5.Checking the Drainage
the drainage
Ceiling Panel
1. Specifications
6-6.Before Installing the Ceiling Panel
Fig.
6-8.When Removing the Ceiling Panel for Servicing
1. Specifications
6-7.Installing the Ceiling Panel
2 Installation
1. Specifications
1 Accessories
a Installing the air-intakeplenum
ceiling
1. Specifications
d Installing the ceiling panel
Fig.
Wall Mounted Type K1 Type
1. Specifications
trical wiring or conduits are
6-10.Removing the Wall Fixture from the Unit
a If Wooden Wall
1. Specifications
6-12.Installing the Rear Panel on the Wall
b If Block, Brick, Concrete or Similar Type Wall
How to replace the grille
1. Specifications
How to remove the grille
6-14.Preparing the Indoor Side Tubing
General Precautions on Wiring
1. Specifications
6-15.Wiring Instructions
How to remove the cover plate
wiring to the outdoor unit are completed
1. Specifications
6-18.Installing the Drain Hose
6-17.Shaping the Tubing
6-19.Suspending the Indoor Unit
1. Specifications
Ceiling Type T1 Type
Fig.
Fig.
1. Specifications
Fig.
Fig.
Fig. Fig.
1. Specifications
Fig.
Fig.
6-20.Duct for Fresh Air
1. Specifications
6-21.Installing the Drain Piping
Fig.
Table
1. Specifications
Low Silhouette Ducted Type F1 Type
Fig.
6-23.Suspending the Indoor Unit
1. Specifications
enough to support the weight
It is important that you use
Tighten the hose clamps so
1. Specifications
Fig. 6-24.Installing the Drain Piping
their locking nuts face upward
6-25.Checking the Drainage
1. Specifications
when you short the pin on the
Be careful since the fan will start
HT : Using the booster cable
1. Specifications
How to read the diagram
6-26.Increasing the Fan Speed
Fig.
1. Specifications
6-27.When Installing the Indoor Unit
Fig.
Symptom
1. Specifications
Checkpoint after installation
SUPPLEMENT ON DRAIN PIPING
7-1.Wireless Remote Controller Installation
7. HOW TO INSTALL THE WIRELESS REMOTE CONTROLLER
1. Specifications
How to Install Batteries
Fig. 7-3.Address Switches
1. Specifications
7-2.Room Temperature Sensor Setting
7-4.Setting the Model Code
1 7-6.Operating Controller Installation
1. Specifications
7-5.Indicator Section Installation
controller wires together
7-8.Operating Controller Installation
1. Specifications
7-7.Indicator Section Installation
Ceiling Type T1 Type
7-10.Test Run Switch
1. Specifications
7-9.Electrical Wiring
Fig.
Alarm
1. Specifications
7-11.Misoperation Alarm Indicators
Table
with the power supply
1. Specifications
controller wires together
wires. Doing so can result
Fig.
1. Specifications
Fig.
Fig.
7-14.Test Run Switch
1. Specifications
7-13.Electrical Wiring
To avoid placing an
8. Transmitter 9. Remote control sensor
1. Specifications
7-15.Misoperation Alarm Indicators
10. Temperature setting buttons
Be sure to do the wiring
1. Specifications
7-16.Basic Wiring Diagram
correctly incorrect wiring
Group control using 2 signal receiving units
1. Specifications
7-17.Wiring System Diagram for Group Control
Wiring procedure
Setting method
1. Specifications
When installing multiple remote controllers
1Basic wiring diagram
Wireless remote controller transmitter
1. Specifications
<CZ-RWSK1U> 7-19.Test Run Procedure
Wall mounted Type K1 Type
7-21-2.Using the remote controller
1. Specifications
7-21-1.Changing the room temperature sensor
Using the controller
Indoor unit control PCB
1. Specifications
7-22.Precautions
Outdoor unit control PCB
Nos. 1, 2 OFF, No. 3 ON
1. Specifications
S-26PK1U6
Nos. 1, 2, 3 all OFF
Cause
1. Specifications
7-24.Diagnosis Table
Indoor unit
Fig.
1. Specifications
Flaring Procedure with a Flare Tool
Fig.
Cautions During Brazing
1. Specifications
Caution Before Connecting Tubes Tightly
Fig.
Never grasp the drain or refrigerant connecting
1. Specifications
Precautions for Packed Valve Operation
outlets when moving the unit
4. Taping the Tubes
1. Specifications
5. Finishing the Installation
Fig.
Fig.
1. Specifications
Manifold gauge Fig. Vacuum pump
1. Leak Test
Use a cylinder specifically
1. Specifications
2. Evacuation
designed for use with R410A
4.Finishing the Job
1. Specifications
3. Charging Additional Refrigerant
R410A
2-2Cold Draft Prevention Heating Cycle
Room Temperature Control
2. PROCESSES AND FUNCTIONS
2-3Automatic Fan Speed Indoor Unit
A Cooling
2-1Room Temperature Control
2. Processes and functions
Fig. Chart Summary and Explanations
2. Processes and functions B Heating
Fig. Chart Summary and Explanations
2-2Cold Draft Prevention Heating Cycle
2. Processes and functions
2. Processes and functions
2-3Automatic Fan Speed Indoor Unit
B Heating
A Cooling
Discharge temperature release control
2-4Control Functions
2.Processes and functions
Current release control
Overcurrent protection control
Freeze prevention low-temperaturerelease control
2. Processes and functions
Current release value shift control
2. Processes and functions
Defrost control
2. Processes and functions
2-5Outdoor Unit Control PCB
1 Layout Diagram CR-CH4872R
1 Explanation of Functions
2-6Outdoor Unit Control PCB CR-CH4272R
2. Processes and functions
Fig.
Table 1. Method of System Address Setting
2. Processes and functions
Page
Outdoor Units
3. ELECTRICAL DATA
Indoor Units
3-1Indoor Units
3. Electrical data
3. Electrical data
3. Electrical data
Wall Mounted Type : S-26PK1U6
3. Electrical data
Wall Mounted Type : S-26PK1U6
3. Electrical data
Ceiling Type : S-26PT1U6, S-36PT1U6, S-42PT1U6
3. Electrical data
Ceiling Type : S-26PT1U6, S-36PT1U6, S-42PT1U6
3. Electrical data
Low Silhouette Ducted Type : S-26PF1U6, S-36PF1U6
3. Electrical data
Low Silhouette Ducted Type : S-26PF1U6, S-36PF1U6
U-26PE1U6
3-2Outdoor Units
3. Electrical data
3-2Outdoor Units
3. Electrical data
U-26PS1U6
3-2Outdoor Units
3. Electrical data
3-2Outdoor Units
3. Electrical data
U-36PE1U6
3-2Outdoor Units
3. Electrical data
3-2Outdoor Units
3. Electrical data
U-36PS1U6
3-2Outdoor Units
3. Electrical data
3-2Outdoor Units
3. Electrical data
U-42PE1U6
3-2Outdoor Units
3. Electrical data
3-2Outdoor Units
3. Electrical data
U-42PS1U6
3-2Outdoor Units
3. Electrical data
3-2Outdoor Units
3. Electrical data
Page
4-2.Symptoms and Parts to Inspect
4. SERVICE PROCEDURES
4-1.Meaning of Alarm Messages
4-3.Details of Alarm Messages
Wired
4. Service procedures
4-1.Meaning of Alarm Messages
Blinking
Wireless
4. Service procedures
Wired
remote
4. Service procedures
Remarks
Alarm
4. Service procedures
4-2.Symptoms and Parts to Inspect
contents
contents
4. Service procedures
Alarm
Judgment condition
contents
4. Service procedures
Alarm
Judgment condition
1 Alarm “P29”
4. Service procedures
4-3.Details of Alarm Messages
Input power detection circuit trouble
HIC PCB trouble
4. Service procedures
2 Alarm “P26”
HIC-CH4872R
4. Service procedures
3 Alarm “E31”
HIC-CH2672R
4. Service procedures
4 Alarm P22
4. Service procedures
5 Alarms “F04,” “F06,” “F07,” “F08,” “F12”
Sensor Temperature Correlation Table
4. Service procedures
<Check procedure>
Sensor installation
Check Pin
4-4.Table of Thermistor Characteristics
4. Service procedures
1 Outdoor Air Temp. TO, Intake Temp. TS, Heat
Alarm History
5. OUTDOOR UNIT MAINTENANCE REMOTE CONTROL
Temperatures
5-1.Overview
Temperature monitor
5. Outdoor unit maintenance remote control
System diagram
Outdoor unit alarm history monitor
Normal display functions
5. Outdoor unit maintenance remote control
5-3.Normal Display Operations and Functions
All units start/stop Fig. 1 <Operation>
XX= Main bus line outdoor system address 1 –
Display contents
3XX-YYR.C
Item code
5. Outdoor unit maintenance remote control
button
5. Outdoor unit maintenance remote control
5. Outdoor unit maintenance remote control
Item code
5. Outdoor unit maintenance remote control
List of Item Codes
Parameter
5. Outdoor unit maintenance remote control
Setting mode 2 <Operating procedure>
Refrigerant type
5. Outdoor unit maintenance remote control
List of Item Codes
6-6.Precautions
6-3.TestRun Procedure
6-5.TestRun Using the Remote Controller
6-8.Examples of Wiring Diagrams
Fig.
6. TEST RUN 6-1.Preparing for Test Run
6. Test run
Fig.
Fig.
6. Test run U1, K1, T1, F1 Type 6-2.Caution
6-3.TestRun Procedure
6-4.Items to Check Before the Test Run
6-5.Test Run Using the Remote Controller
6-6.Precautions
6. Test run
Cause
Wired remote
6. Test run
Indoor unit
Fig.
6. Test run 6-8.Examples of Wiring Diagrams
Basic wiring diagram
6. Test run
Basic wiring diagram
Fig. 6-6a Wiring procedure
Fig. 6-6b
Fig.
Setting the outdoor unit system addresses
6. Test run
6. Test run
Main-subremote controller control
Remote controller setting mode