Positioning of the valves on YEFB 020÷050:
1
2
3
4
5
YEFB unit with right water connections
Positioning of the valves on YEFB 060-070:
6
7
8
9
10
YEFB unit with left water connections
+
YEFB unit with right water connections
34
2 PIPE SYSTEM
1. Water inlet ................................................3/4" F
2. Water outlet .............................................3/4" F
4 PIPE SYSTEM
1. Inlet cooling water ................................3/4" F
2. Outlet cooling water ............................3/4" F
3. Inlet heating water ................................3/4" F
4. Outlet heating water ............................3/4" F
5. Condensate drain hose .................... ø20 mm
6. Electric box
7. Fixing support for pipes
2 PIPE SYSTEM
1. Water inlet ................................................1" F
2. Water outlet .............................................1" F
4 PIPE SYSTEM
1. Inlet cooling water ................................1" F
2. Outlet cooling water ............................1" F
3. Inlet heating water ................................1" F
4. Outlet heating water ............................1" F
5. Condensate drain hose .................... ø20 mm
6. Electric box
7. Fixing support for pipes
8. Air bleed valve
9. Drain valve