4
ENGLISH
52
Low Ambient Kit (Fn 9)
52
High Efficiency Mode (Cooling Operation) (Fn 10)
52
Auto Dust Removal Mode (Fn 11)
53
Compressor Max. Frequency Limit (Fn 12)
53
ODU Fan Max. RPM Limit (Fn 13)
53
SLC (Smart Load Control) (Fn 14)
53
Humidity Reference Control (Fn 16)
54
Central Control Connection at Indoor Unit side (Fn 19)
54
Compressor Input Current Limit Mode (Fn 20)
54
Overall Defrost Operating in Low temperature (Heating) (Fn 22)
54
Base pan Heater operation (Fn 23)
55
Comfort Cooling operation (Id 10)
56
Self-Diagnosis Function
58 CAUTION FOR REFRIGERANT LEAK
58
Introduction
58
Checking procedure of limiting concentration
59 INSTALLATION GUIDE AT THE SEASIDE
60
Model Designation
2
TIPS FOR SAVING ENERGY
2
IMPORTANT SAFETY INSTRUCTIONS
5
INSTALLATION PROCESS
5
OUTDOOR UNITS INFORMATION
5
ALTERNATIVE REFRIGERANT R410A
5
SELECT THE BEST LOCATION
7
INSTALLATION SPACE
7
Individual Installation
7
LIFTING METHOD
8
INSTALLATION
8
The location of the Anchor bolts
8
Foundation for Installation
8
Preparation of Piping
10
Plumbing materials and storage methods
11
REFRIGERANT PIPING INSTALLATION
11
Precautions on Pipe connection / Valve operation
11
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
14
Caution
14
Precautions on Pipe connection / Valve operation
15
Connection of Outdoor units
15
Caution
16 PIPE CONNECTIONS BETWEEN INDOOR
AND OUTDOOR UNIT
16
Preparation Work
17
Pipe Drawing Out during Single / Series connection
17
Refrigerant piping system
19
Preparation Work
20
Pipe Drawing Out during Single / Series connection
20
Refrigerant piping system
21
Series Outdoor Units (2 Units ~ 3 Units)
21
Pipe Connection Method between outdoor unit/indoor unit
25
Refrigerant charging
25
Branch pipe Fitting
29
Distribution Method
29
Vacuum Mode
30
Leak Test and Vacuum drying
31
Thermal insulation of refrigerant piping
32 ELECTRICAL WIRING
32
Caution
33
Control box and connecting position of wiring
33
Communication and Power Cables
34
Wiring of main power supply and equipment capacity
34
Field Wiring
38
Checking the setting of outdoor units
40
Switch for setup of HR Unit
44
Automatic Addressing
45
The Procedure of Automatic Addressing
46
Flow chart of auto pipe detection Process
47
Flow chart of manual addressing for pipe detection
47
Example of manual valve addressing (Non-Zoning setting)
48
Example of manual valve addressing (Zoning setting)
48
Method of checking the pipe detection result at HR unit
48
Identification of Manual Valve ID (Address)
48
Method of checking the pipe detection result at outdoor unit
48
Setting method of Master indoor unit in zoning
49
Group Number setting
50
Cool & Heat selector (Fn 1)
50
High Static Pressure Compensation mode (Fn 2)
50
Night Low Noise Function (Fn 3)
51
Overall HEX defrost mode (Fn 4)
51
Setting the ODU address (Fn 5)
51
Snow removal & rapid defrost (Fn 6)
52
Target pressure adjusting (Fn 8)
TABLE OF CONTENTS
