5
ENGLISH
TABLE OF CONTENTS
2 TIPS FOR SAVING ENERGY
2 IMPORTANT SAFETY INSTRUCTIONS
6 INSTALLATION PROCESS
6 OUTDOOR UNITS INFORMATION
6 ALTERNATIVE REFRIGERANT R410A
6 SELECT THE BEST LOCATION
8 INSTALLATION SPACE
8 Individual Installation
8 LIFTING METHOD
9 INSTALLATION
9 The location of the Anchor bolts
9 Foundation for Installation
9 Preparation of Piping
11 Plumbing materials and storage methods
11 REFRIGERANT PIPING INSTALLATION
11 Precautions on Pipe connection / Valve operation
12 Connection of Outdoor units
12 Installation procedure for HR unit
12 Installation of Outdoor Unit, HR Unit, Indoor Unit Refrigerant Pipe
12 Type of HR Unit
13 Installation of Zoning Control
13 Caution
14 PIPE CONNECTIONS BETWEEN INDOOR
AND OUTDOOR UNIT
14 Preparation Work
14 Pipe Drawing Out during Single / Series connection
15 Refrigerant piping system
19 Refrigerant charging
20 Branch pipe Fitting
21 Leak Test and Vacuum drying
22 Vacuum Mode
22 Thermal insulation of refrigerant piping
23 ELECTRICAL WIRING
23 Caution
24 Control box and connecting position of wiring
24 Communication and Power Cables
25 Wiring of main power supply and equipment capacity
25 Point for attention regarding quality of the public electric power
supply
26 Field Wiring
27 Checking the setting of outdoor units
28 HR Unit PCB
28 Switch for setup of HR Unit
29 Automatic Addressing
30 The Procedure of Automatic Addressing
30 Flow chart of auto addressing for pipe detection
31 Flow chart of manual addressing for pipe detection
31 Example of manual valve addressing (Non-Zoning setting)
31 Example of manual valve addressing (Zoning setting)
32 Example of checking valve address
32 Identification of Manual Valve ID (Address)
32 Method of checking the pipe detection result at outdoor unit
32 Setting method of Master indoor unit in zoning
32 Group Number setting
33 Static pressure compensation mode
33 Night Low Noise Function
33 Overall defrost mode
34 Setting the ODU address
34 Snow removal & rapid defrost
34 IDU capacity adjusting
34 Target pressure adjusting
34 Comfort Operation
35 Self-Diagnosis Function
37 CAUTION FOR REFRIGERANT LEAK
37 Introduction
37 Checking procedure of limiting concentration
38 INSTALLATION GUIDE AT THE SEASIDE
39 Model Designation
39 Airborne Noise Emission
be done in case of changing the indoor unit
PCB.
• Use a firm stool or ladder when cleaning or
maintaining the air conditioner.
- Be careful and avoid personal injury.
• Do not insert hands or other objects through
the air inlet or outlet while the air condi-
tioner is plugged in.
- There are sharp and moving parts that
could cause personal injury.
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