CALEFFI 2521 Series Installation, Commissioning And Servicing Instructions Download | Manualshive

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Application Diagrams

COLD/BLUE

HOT/RED

MIX

Key to symbols

Safety relief valve

Isolation and check valve

Isolation valve

Expansion vessel

Filter

HOT

COLD

MIX

MIN

MAX 7

1

2

HOT

COLD

CALEFFI

MIN

M

AX
7

1

2

T

Normally closed

valve

T

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Summary of Contents for 2521 Series

Page 1: ...rials Body Low lead brass 0 25 Lead content chrome plated Shutter PSU Springs Stainless steel Seals EPDM Setting range 85 150 F 30 65 C Accuracy 3 F 2 C Max working pressure static 200 psi 14 Bar Max...

Page 2: ...ommissioning and maintenance of the thermostatic mixer take the necessary precautions to ensure that such temperatures do not endanger people CAUTION In the case of highly aggressive water arrangement...

Page 3: ...een the hot and cold water passages Even when there are pressure drops due to the drawing off of hot or cold water for other uses or variations in the incoming temperature the mixer automatically regu...

Page 4: ...diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Regulating knob Head fixing screw Regulating spindle O Ring seal Upper shutter seat Thermostatic element Inner shutter O Ring Outer shutter O Ring O...

Page 5: ...manual taking into account all current applicable standards Caleffi 2521 series mixing valve can be installed in any position either vertical or horizontal The following are shown on the valve body H...

Page 6: ...agrams COLD BLUE HOT RED MIX Key to symbols Safety relief valve Isolation and check valve Isolation valve Expansion vessel Filter HOT COLD MIX MIN MAX 7 1 2 HOT COLD CALEFFI MIN MAX 7 1 2 T Normally c...

Page 7: ...red Unscrew the head screw pull off the handle and reposition it so that the handle fits into the internal slot of the knob Tighten the head screw Maintenance In service tests should be carried out re...

Page 8: ...oad Milwaukee WI 53208 T 414 238 2360 F 414 238 2366 CALEFFI Safety The thermostatic mixer must be installed by a licensed plumber in accordance with national regulations and or relevant local require...

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