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コントロールユニット CALEFFI 252169AのPDF 設置および試運転マニュアルをオンラインで閲覧またはダウンロードできます。CALEFFI 252169A 8 ページ。 Adjustable thermostatic mixing valve for solar systems

Troubleshooting

Under normal operating conditions the Cale

high level of performance. However, in some circumstances, where our maintenance plan is

not followed, the following problems may arise.

Symptom

Fluctuating mixed water

temperature

Erratic ow of water from

the valve

No ow of water from the

valve

2521 series mixing valve will provide a very

Cause

a) Erratic supply temperatures

at the inlets of the valve.

b) Starvation of the water

supplies at the inlets

of the valve.

c) Incorrect commissioning

of the valve.

a) Insu cient water supplies.

b) Fluctuations in supply

pressures/temperatures.

c) Adverse e ect created

by other draw o points

on the system.

a) In-line lters blocked.

b) Insu cient supply pressures.

c) Debris obstructing valve

operation.

Leave this manual for the user.

Corrective action

· Restore inlet conditions

within the limits of the

valve.

· Stabilize inlet supply

conditions.

· Clean lters.

· Restore inlet supplies.

· Clean debris or scale

from valve.

Caleffi North America, Inc.

3883 West Milwaukee Road

Milwaukee, WI 53208

T: 414.238.2360 F: 414.238.2366

6-6-18