
CONTENTS
1SAFETY PRECAUTIONS
2
ACCESSORIES
02
08
2.1
3INSTALLATION SITE
4
INSTALLATION
09
10
4.1 Dimensions of the unit
4.2 Installation requirements
10
11
4.3
4.4
Servicing space requirements
Mounting the indoor unit
11
11
5
CONNECTING THE REFRIGERANT PIPING
6
CONNECTING THE WATER PIPING
12
13
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
Connecting the space heating(cooling) water piping
Connecting the domestic water piping
Connecting the recirculation water piping
Connecting the drainage hose to the indoor unit
Connecting the solar circulation piping (if needed)
Water piping insulation
Water circuit anti-freeze protection
Filling water
13
13
14
15
15
15
15
17
GNIRIWDLEIF7 20
7.1
7.2
7.3
7.4
7.5
7.6
Precautions on electrical wiring work
Precautions on wiring of power supply
Safety device requirements
Before connecting the wiring
Connecting the main power supply
Connecting for other components
20
20
21
21
22
23
8
START-UP AND CONFIGURATION
29
8.1
8.2
8.3
8.4
Initial start-up at low outdoor ambient temperature
Pre-operation checks
Field settings
About FOR SERVICEMAN
29
29
30
31
6.9 Typical Applications 18