5
ENGLISH
2
TIPS FOR SAVING ENERGY
2
IMPORTANT SAFETY INSTRUCTIONS
6
INSTALLATION PROCESS
6
OUTDOOR UNITS INFORMATION
6
ALTERNATIVE REFRIGERANT R410A
7
SELECT THE BEST LOCATION
8
INSTALLATION SPACE
9
Air guide work
10 LIFTING METHOD
10 INSTALLATION
10
The location of the Anchor bolts
10
Foundation for Installation
11
Preparation of Piping
12
Plumbing materials and storage methods
13 REFRIGERANT PIPING INSTALLATION
13
Precautions on Pipe connection / Valve operation
13
Installation procedure for HR unit
13
Installation of Outdoor Unit, HR Unit and Indoor Unit Refrigerant Pipe
14
Type of HR Unit
14
Installation of Zoning Control
15
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
15
Preparation Work
15
Pipe Drawing Out during Single / Series connection
16
Refrigerant piping system
18
Refrigerant charging
19
Branch pipe Fitting
20
Leak Test and Vacuum drying
21
Vacuum Mode
21
Thermal insulation of refrigerant piping
22 ELECTRICAL WIRING
22
Caution
23
Control box and connecting position of wiring
23
Communication and Power Cables
24
Wiring of main power supply and equipment capacity
24
Field Wiring
25
Checking the setting of outdoor units
25 HR UNIT PCB
25
Setup the switch of HR Unit
27
Automatic Addressing
28
Example of manual valve addressing (Non-Zoning setting)
28
Example of manual valve addressing (Zoning setting)
29
Method of checking the pipe detection result at HR unit
29
Identification of Manual Valve ID (Address)
30
Group Number setting
30 TEST RUN
30
Cool & Heat selector
31
Static pressure compensation mode
31
Night Low Noise Function
31
Setting the ODU address
31
Snow removal & rapid defrost
32
Target pressure adjusting
33
Self-Diagnosis Function
35 CAUTION FOR REFRIGERANT LEAK
35
Introduction
35
Checking procedure of limiting concentration
36 INSTALLATION GUIDE AT THE SEASIDE
36
Model Designation
36
Airborne Noise Emission
TABLE OF CONTENTS
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