Submittal

M
I
N
M
A
X
7
1
2
3
Locking the setting
Position the handle to the number required with respect to the index point. Unscrew the head screw, pull off the handle and
reposition it so that the handle fi ts into the internal slot of the knob. Tighten the head screw.
COLD/BLUEHOT/RED
MIX
CALEFFI
MIN M A X 7 1 2
HOT
COLD
Key to symbols
Safety relief valve
Manual globe valve
Isolation valve
Expansion vessel
Filter
Check valve
Pump
Temperature adjustment
The temperature is set to the required value by means of the knob with a graduated scale, on the top of the valve.
Index Point
Application Diagrams
Domestic hot water
system with recirculation
SUPPLY
Domestic hot water
system without recirculation
SUPPLY
MIX
3
2
4
MIX
3
2
4
*
*
*
*
WATER
HEATER
WATER
HEATER
*MixCal series 521 thermostatic mixing valves with inlet check valves, “AC” models, can be used instead of separately installed check valves.
with: T = 155ºF (68ºC) . T = 55ºF (13ºC) . P = 43 psi (3 bar)
Hot Cold
Pos. Min. 1 2 3 4 5 6 7 Max
T (ºF) 81 90 100 111 120 127 138 145 152
T (ºC) 27 32 38 44 49 53 58 63 67