ATLAS D ECO SI UNIT
35
EN
cod. 3541Q540 - Rev. 00 - 09/2018
Table. 4 - Circulating pump LED indications
5. TECHNICAL DATA AND CHARACTERISTICS
5.1 Main components, dimensions and connections
fig. 35- Front view
fig. 36 - Rear view
fig. 37- Side view
Key to figures
10 =
System delivery
11 =
System return
14 =
Safety valve
32 =
Heating circulating pump
36 =
automatic air vent
38 =
Flow switch
56 =
Expansion tank
74 =
System filling cock
95 =
Diverter valve
194 =
DHW exchanger
209 =
DHW outlet
210 =
Cold water inlet
246 =
Pressure transducer
255 =
System water drain
278 =
Double sensor ( heating)
295 =
Burner
Off
Circulating pump on STANDBY
Green ON
Circulating pump Working
Green Flashing
Air venting cycle
Green/Red alternating
Circulating pump blocked due to external causes:
- Overvoltage (>270V)
- Insufficient voltage (<160V)
- Motor overload
Red Flashing
Circulating pump blocked due to internal causes:
- Motor blocked
- Damaged electronics
Min
.
4
1
7
III
II
I
295
278
500
36
194
38
74
32
95
246
210
290
145
50
850
78
639
210
63
309
63
98
65
14
10
8
11
9
Ø120-130
630
(ATLAS D ECO 30 SI UNIT)
95
194
38
56
74
32
255
730
(ATLAS D ECO 42 SI UNIT)
10
10
8
9
246
