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Daikin
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VRV II Series
Daikin VRV II Series User Manual
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Si39-303
Design, In
stallation &
Testing Instructio
n
R410A Heat Pump 50Hz
RXYQ5M
Y1B
RXYQ8M
Y1B
RXYQ10
MY1B
RXYQ12
MY1B
RXYQ14
MY1B
RXYQ16
MY1B
RXYQ18
MY1B
RXYQ20
MY1B
RXYQ22
MY1B
RXYQ24
MY1B
RXYQ26
MY1B
RXYQ
28MY
1B
RXYQ
30MY
1B
RXYQ
32MY
1B
RXYQ
34MY
1B
RXYQ
36MY
1B
RXYQ
38MY
1B
RXYQ
40MY
1B
RXYQ
42MY
1B
RXYQ
44MY
1B
RXYQ
46MY
1B
RXYQ
48MY
1B
2
Table of Contents
Default Chapter
3
Table of Contents
3
Part 1 General Information
7
Product Outline
8
Model Names of Indoor/Outdoor Units
8
External Appearance
9
Combination of Outdoor Units
11
Model Selection
12
Points to Bear in Mind at the System Design
14
Points Relating to the Performance of the Air Conditioning Units
14
The Installation Is of Vital Importance
15
Striking a Balance between System Installation and General Construction Work (Comprehensive Flow Chart)
16
Points to Bear in Mind When Preparing the Contract Drawings
17
Installation
20
Step by Step Installation Procedure
20
Work Involved in Individual Operations and Points to be Borne in Mind
21
Test Operation
68
Procedure and Outline
68
Operation When Power Is Turned on
71
Outdoor Unit PC Board Layout
72
Field Setting
73
Caution for Refrigerant Leaks
108
5 Caution for Refrigerant Leaks
108
Hand over to Customer
111
Operational Steps
111
Appendix
112
Operating Noise of Indoor Units
112
Piping Installation Point
114
Allowable Piping Length
116
Refrigerant Branch Kit Selection
119
Pipe Size Selection
121
How to Calculate the Additional Refrigerant to be Charged
123
Outdoor Unit Multi Connection Piping Kit
125
REFNET Pipe Connections for VRV II R410A Series
132
VRV Inspection Sheet
135
Piping System Diagrams
140
Wiring Diagrams
144
Bad Examples and Good Examples in Installation
150
Part 2 Installation Manual
159
Introduction
161
Combination
161
Standard Operation Limit
162
Standard Supplied Accessories
162
Option Accessory
163
Technical Specifications
164
Electrical Specifications
166
Main Components
167
Selection of Location
168
Inspecting and Handling the Unit
170
Unpacking and Placing the Unit
171
Refrigerant Piping
173
Selection of Piping Material
173
Connecting the Refrigerant Piping
174
Example of Connection
179
Leak Test and Vacuum Drying
181
Pipe Insulation
183
Additional Refrigerant Charge
184
Field Wiring
186
Optional Parts Cool / Heat Selector
186
Power Circuit and Cable Requirements
187
General
188
Examples
189
Before Operation
197
Checks before Initial Start-Up
197
Test Run
198
9 Caution for Refrigerant Leaks
200
Caution for Refrigerant Leaks
200
Part 3 Operation Manual
203
Safety Cautions
205
What to Do before Operation
208
Remote Controller and Changeover Switch: Name and Function of each Switch and Display
209
Warning
211
Never Do the Following
211
Operation Range
212
Operation Procedure
213
Cooling, Heating and Fan Only Operation
213
Program Dry Operation
215
Adjusting the Air Flow Direction (Only for Double-Flow, Multi-Flow, Corner, Ceiling-Suspended and Wall-Mounted)
216
Programming Start and Stop of the System with Timer
217
Setting the Master Remote Controller
218
Precautions for Group Control System or Two Remote Controller Control System
219
Optimum Operation
220
Following Symptoms Are Not Air Conditioner Troubles
221
The System Does Not Operate
221
Cool/Heat Cannot be Changed over
221
Fan Operation Is Possible, but Cooling and Heating Do Not Work
221
The Fan Strength Does Not Correspond to the Setting
221
The Fan Direction Does Not Correspond to the Setting
221
White Mist Comes out of a Unit
222
Noise of Air Conditioners
222
Dust Comes out of the Unit
222
The Units Can Give off Odours
222
The Outdoor Unit Fan Does Not Spin
222
The Display Shows "88
223
The Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation
223
The Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped
223
Troubleshooting
224
Part 4 Precautions for New Refrigerant (R410A)
227
Precautions for New Refrigerant (R410A)
228
Outline
228
Refrigerant Cylinders
230
Service Tools
231
Other manuals for Daikin VRV II Series
Technical Data
22 pages
Introduction Guide
42 pages
5
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Daikin VRV II Series Specifications
General
Brand
Daikin
Model
VRV II Series
Category
Air Conditioner
Language
English
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