CALEFFI ThermoBloc 281 Series Manual - Page 2
Browse online or download pdf Manual for Control Unit CALEFFI ThermoBloc 281 Series. CALEFFI ThermoBloc 281 Series 6 pages. Boiler protection recirculation and distribution unit
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SAFETY INSTRUCTION
This safety alert symbol will be used in this manual to draw attention to safety related instructions.
When used, the safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN A SAFETY
HAZARD.
WARNING: This product can expose you to chemicals including lead, which is
known to the State of California to cause cancer and birth defects or other
reproductive harm. For more information go to www.P65Warnings.ca.gov.
CAUTION: All work must be performed by qualified personnel trained in the
proper application, installation, and maintenance of systems in accordance
with all applicable codes and ordinances.
CAUTION: If the boiler protection unit is not installed, commissioned
and maintained properly, according to the instructions contained in this
manual, it may not operate correctly and may endanger the user.
Pump
Three speed pump:
Body:
Power supply:
Max. pressure:
Max. temperature:
Agency approval:
Insulation
Material:
Mean thickness:
Density:
Working temperature range:
Thermal conductivity:
Reaction to fire (UL94):
Pump characteristics
(psi) (ft of head )
9
20
8
18
7
16
14
6
12
5
10
4
2
8
3
6
1
2
4
1
2
0
0
0
1
2
3
0
0.05
0.10 0.15 0.20 0.25 0.30 0.35 0.40
0.037 W/(m.K) at 10°C
3
4
5
6
7
0.45 0.50 0.55 0.60 0.65 0.70
2
Wilo Star S-16 U15
cast iron
115 V - 60 Hz
85 psi (6 bar)
230°F (110°C)
cULus
EPP
30 mm
45 kg/m
3
40-210°F (5-100°C)
class HBF
(gpm)
8
9
10
11
(lps)