4
DIMENSIONS YS1770RA series, YS2170RA series
Installation/Operating Instructions
Invented for life
510〜512
48
44
520
487
542
10
10
120
60
84
133
97
40
37
109
40
57
31
10
85
120
10
50
11
170
178
255
308〜320
49
338
350
334
25
42
L
Power cable intaking hole
Power cable intaking hole
(PS flame installation pich)
（ Perspective drawing from upper of appliance ）
(PS flame installation pich)
Bottom of case
Outlet-water connection R3/4
Inlet-water connection R3/4
Gas connection R3/4
7-φ7.2 hole
Installation hole of wall
(Installed with three holes)
7-φ7.2 hole
Installation hole of wall
(Installed with two holes)
Gas connection
Inlet-water connection
Water drain valve (Water filter)
Outlet-water connection
Pressure relife valve and Water drain valve
Earth connection screw
Bottom of case
Air-inlet
Flue terminal
DIMENSIONS YS2670RA series, YS2670RABZ
590〜592
567
622
600
120
60
84
44
48
10
10
133
49
318〜320
268
10
50
120
40
97
40
109
85
178
37
338
47
10
11
170
31
350
334
253
42
25
Power cable intaking hole
Power cable intaking hole
(PS flame installation pich)
(PS flame installation pich)
（ Perspective drawing from upper of appliance ）
Air-inlet
(Installed with two holes)
7-φ7.2 hole
Installation hole of wall
Pressure relife valve and Water drain valve
Earth connection screw
Inlet-water connection
Water drain valve (Water filter)
Outlet-water connection
Bottom of case
Gas connection
Bottom of case
7-φ7.2 hole
Installation hole of wall
(Installed with three holes)
Outlet-water connection R3/4
Inlet-water connection R3/4
Flue terminal
Gas connection R3/4
YS1770RA series
178
L
YS2170RA series
214
