3con forme norme ispe sl, Cl 2 .5 – Caleffi 267 Manuale d'uso
Pagina 12
3
Technical specifications
Materials
Shut-off valves
Body:
brass EN 12165 CW617N
Check valve:
brass EN 12164 CW614N
Temperature gauge:
steel / aluminium
Air separator device
Body:
brass EN 12165 CW617N
Instrument holder
Body:
brass EN 12165 CW617N
Seals:
EPDM
O-Rings:
EPDM
Insulation
Material: EPP
Average thickness:
30 mm
Density:
45 kg/m
3
Working temperature range:
-5–120°C
Thermal conductivity:
0,037 W/(m·K) at 10°C
Reaction to fire (UL 94):
class HBF
Performance
Medium:
water, glycol solutions
Max. percentage of glycol:
50%
Max. working temperature:
- deaerator side flow:
160°C
- pump side return:
110°C
Max. working pressure:
10 bar
Safety relief valve working temperature range:
-30–160°C
Safety relief valve setting:
6 bar (for other sets, see 253 series)
Check valve min. opening pressure (
Δp): 2 kPa (200 mm w.g.)
Working temperature range of
shut-off and check valve:
-30–160°C
Working temperature range of
balancing valve with flow meter:
-30–130°C
Flow rate adjustment range:
2–7 l/min; 3–10 l/min; 7–25 l/min
Flow rate indicator accuracy:
± 10%
Pressure gauge scale:
0–10 bar
Temperature gauge scale:
0–160°C
Connections:
3/4” F
Hose connection:
3/4”M
Fill/drain connections:
with Ø 15 mm hose connection
Grundfos Solar 15-80 pump
Body:
cast iron GG 15/20
Electric supply:
230 V - 50 Hz
Max. pressure:
10 bar
Max. temperature:
110°C
Protection class:
IP 42
Digital regulator
Electric supply:
230 V - 50 Hz
Nominal power consumption:
4 (2) A at 240 V
4 Pt1000 probe inputs
2 relay outputs with semiconductor with contact rating:
1 A
2 temperature probes with working range:
-50–200°C
Probe cable working temperature range:
-50–70°C
2 temperature probes with working range:
-50–200°C
Probe cable working temperature range:
-50–180°C
Ambient temperature range:
0–40°C
Protection class:
IP 20
Dimensions:
172 x 111 x 49 mm
Characteristic components
1) Grundfos Solar 15-80 circulation pump
2) Safety valve with adjustable outlet type 253 series
3) Fill/drain cock with control key
4) Instrument holder fitting with pressure gauge
5) Balancing valve with built-in flow meter and indicator with
magnetic movement
6) Deaerator with air vent
7) Flow temperature gauge
8) Return temperature gauge
9) Pre-formed shell insulation
10) Shut-off valve with built-in check valve
11) Connection kit for expansion vessel (optional)
12) Display with synoptic diagram and temperature indication*
13) Regulating keys*
14) Temperature probe*
15) Stainless steel probe pocket code 257004 (optional)
16) Hose connection
* only for versions with regulator DeltaSol
®
C+
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forme norme ISPE
SL
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.5
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forme norme ISPE
SL
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.5
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