Rotenso LCAC R32 Series User manual

LCAC R32 SERIES
Tenji W
Jato W
Nevo W
ENG
Service
manual

LCAC R32 Series
2Service manual
LCAC R32 SERIES
Service manual
Contents
SAFETY PRECAUTIONS................................................................................................................................................................................ 3
PART 1. GENERAL INFORMATION.......................................................................................................................................................... 4
Model Lists..................................................................................................................................................................................................... 4
External Appearance.................................................................................................................................................................................. 5
Nomenclature............................................................................................................................................................................................... 6
PART 2. INDOOR UNITS............................................................................................................................................................................... 7
Tenji - Super Slim Cassette Type ........................................................................................................................................................... 7
Nevo - Duct Type ......................................................................................................................................................................................19
Jato - Ceiling & Floor Type .....................................................................................................................................................................32
PART 3. OUTDOOR UNITS........................................................................................................................................................................45
PART 4. INSTALLATION..............................................................................................................................................................................54
Installation Procedure .............................................................................................................................................................................54
Location selection.....................................................................................................................................................................................55
Indoor unit installation ...........................................................................................................................................................................56
Tenji - Super slim cassette indoor unit installation................................................................................................................56
Nevo - duct indoor unit installation............................................................................................................................................60
Jato - Ceiling & oor indoor unit installation...........................................................................................................................64
Outdoor unit installation (Side Discharge Unit).............................................................................................................................67
PART 5. ELECTRICAL CONTROL SYSTEM..........................................................................................................................................81
PART 6. TROUBLESHOOTING .................................................................................................................................................................92
PART 7. CAPACITY TABLES ................................................................................................................................................................... 118
PART 8. APPENDIX.................................................................................................................................................................................... 128
CAUTION: Risk of re/ammable material
The specications, designs, and information in this book are subject to change without notice for product improvement.

LCAC R32 Series
3Service manual
SAFETY PRECAUTIONS
Read the following if you use the device in European countries:
The device can not be operated by children over 7 years old, disabled people and oraz people without experience
and knowledge. Instructions should include a description of the correct and safe handling of the device and oraz
information about possible dangers. Children should not play with the device. Cleaning and servicing should be
carried out by authorized persons.
UTILIZATION:
Do not dispose of this product together with unsorted municipal waste.
It’s necessary to transfer this type of waste for special processing.
It’s illegal to throw the device together with other household waste.
There are several ways to get rid of this type of equipment:w
A. The city organizes electronic waste collection, you can pass the device without the cost.
B. When you buy a new device the seller will accept the old device without any fees.
C. Manufacturer will take the product from buyer produkt without charging it with costs.
D. Products of this type, contains valuable elements, it can be sold sprzedane on purchase of metals.
Throwing the device ,,on wild” exposes you to the risk of losing your health. Dangerous substances from the device
can penetrate to groundwater screating a danger of getting through to people’s food chain.
WARNING
Only qualied personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specic knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualied person could result in death
or serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.

LCAC R32 Series
4Service manual
PART 1. GENERAL INFORMATION
1. MODEL LISTS
1.1 Indoor Units
R32 (capacity multiplied by 1000Btu/h)
Type Function 18 24 36 48 55
Tenji - Super slim cassette Cooling and heating
Nevo - Duct Cooling and heating
Jato - Ceiling-oor Cooling and heating
1.2 Outdoor Units
BTU Outdoor unit Model Compressor type Compresso48 Matched indoor units
18k
N50Wo Rotary GMCC N50Wi
J50Wo Rotary GMCC J50Wi
24k
N70Wo Rotary GMCC N70Wi
T70Wo Rotary GMCC T70Wi
J70Wo Rotary GMCC J70Wi
36k
N100Wo Rotary GMCC N100Wi
T100Wo Rotary GMCC T100Wi
J100Wo Rotary GMCC J100Wi
48k
N140Wo Rotary GMCC N140Wi
T140Wo Rotary GMCC T140Wi
J140Wo Rotary GMCC J140Wi
55k
N160Wo Rotary GMCC N160Wi
T160Wo Rotary GMCC T160Wi
J160Wo Rotary GMCC J160Wi

LCAC R32 Series
5Service manual
PART 1. GENERAL INFORMATION
2. EXTERNAL APPEARANCE
2.1 Indoor Units
Super slim cassette (Tenji Duct (Nevo)
Ceiling-Floor (Jato)
2.2 Outdoor Units
Single fan outdoor unit Double fan outdoor uni

LCAC R32 Series
6Service manual
PART 1. GENERAL INFORMATION
3. NOMENCLATURE
3.1 Indoor Units
T 35 W i R12
Indoor unit
W series (for R32)
Capacity: 5,0kW ~ 16,0kW
Rotenso device model name (type):
Tenji (Cassette)
Jato (Flour-ceiling)
Nevo (Duct)
Revision
3.2 Outdoor Units
T 35 W o R12
Outdoor unit
W series (for R32)
Capacity: 5,0kW ~ 16,0kW
Rotenso device model name (type):
Tenji (Cassette)
Jato (Flour-ceiling)
Nevo (Duct)
Revision

LCAC R32 Series
7Service manual
PART 2. INDOOR UNITS
1. TENJI  SUPER SLIM CASSETTE TYPE
1.1 FEATURES
1.1.1 Overview
• Compact design, super slim body size, less space requiring in installation
• Each louver can be separately controlled, more comfort air blowing is possible.
• Auto-lifting panel design, more convenient to clean and maintain the lter. (optional).
1.1.2 Fresh air intake function
• Fresh air fullls air quality more healthy and comfortable.
• Ventilation motor is optional to increase the eect of fresh air
1.1.3 Optional ionizer generator
• Ionizer generator is optional to get refreshing air to your room.
Ionizer generator
connector
Ventilation motor
connector

LCAC R32 Series
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• Ionizer can be switched on or o by remote controller.
When pressing the Clean Air button on the remote controller, Ionizer will work and the indicator light on
display board will shine.
1.1.4 External air duct design
• Reserve external air duct, more exible for the air supply
1.1.5 Built-in draining pump
• Due to the improvement of structure, more convenient to repair or replace the draining pump
Draining Pump
PART 2. INDOOR UNITS

LCAC R32 Series
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PART 2. INDOOR UNITSPART 2. INDOOR UNITS
• Due to the improvement of structure, more convenient to repair or replace the draining pump
1.1.6 Terminals for alarm lamp and long-distance on-o controller connection are standard
• Reserve terminals for the connection of alarm lamp and long-distance on-o controller, more human control.
Alarm lamp
Long-distance on-o controller
1.1.7 Twins Combination (18k-30k)
• The units can be installed as Twin systems: one outdoor unit can connect with two indoor units. The indoor
units can be combined in any of the dierent available ratings.

LCAC R32 Series
10 Service manual
PART 2. INDOOR UNITS
1.2 DIMENSIONS
840
840
950
950
C
Test mouth & Test cover
Drain hole
32
Wiring connection port
680
780
780
680
136
126
91
196
132
A
A
B
AA
B
A
A
B
A
B
Service hole for
draining pump
Fresh air intake
75
55
80
4-install hanger
Gas side
Liquid side
E-parts box
135
90
Panel
Body
929292
92
DD
92 92
D
D
DD
92
92
92
92
92 92 92 92
D
D
80
Unit: mm
Model (kBtu/h) A B C D
18 160 75 205 50
24~36 160 95 245 60
48~55 160 95 287 60