4
ENGLISH
31
Auto Dust Removal Mode
31
Compressor Max. Frequency Limit
31
ODU Fan Max. RPM Limit
32
SLC (Smart Load Control)
32
Humidity Reference
32
Central Control Connection at Indoor Unit side
32
Compressor Input Current Limit
33
Power Consumption Display on wired remote controller
33
Overall Defrost Operating in Low temperature (Heating)
33
Base pan Heater operation
33
Comfort Cooling operation
34
Self-Diagnosis Function
37
CAUTION FOR REFRIGERANT LEAK
37
Introduction
37
Checking procedure of limiting concentration
38
INSTALLATION GUIDE AT THE SEASIDE
38
Model Designation
38
Airborne Noise Emission
2
TIPS FOR SAVING ENERGY
2
IMPORTANT SAFETY INSTRUCTIONS
5
INSTALLATION PROCESS
5
OUTDOOR UNITS INFORMATION
5
ALTERNATIVE REFRIGERANT R410A
6
SELECT THE BEST LOCATION
6
INSTALLATION SPACE
6
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
11
Caution
12
PIPE CONNECTIONS BETWEEN INDOOR
AND OUTDOOR UNIT
12
Preparation Work
13
Pipe Drawing Out during Single / Series connection
13
Refrigerant piping system
14
Pipe Connection Method between outdoor unit/indoor unit
16
Branch pipe Fitting
18
Distribution Method
18
Vacuum Mode
18
Leak Test and Vacuum drying
19
Refrigerant charging
20
Thermal insulation of refrigerant piping
21
ELECTRICAL WIRING
21
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
26
Checking the setting of outdoor units
27
Automatic Addressing
27
The Procedure of Automatic Addressing
28
Cool & Heat selector
29
High Static Pressure Compensation mode
29
Night Low Noise Function
29
Overall defrost mode
29
Setting the ODU address
30
Snow removal & rapid defrost
30
Setting Capacity Up Airflow Adjusting for IDU (Heating)
30
Target pressure adjusting
30
Low Ambient Kit
31
High Efficiency Mode (Cooling Operation)
TABLE OF CONTENTS
1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 4