CALEFFI MixCal 521400A Installation, Commissioning And Service Instructions

MixCal™ adjustable three-way thermostatic mixing valve
© Copyright 2015 Caleffi
Installation, commissioning and service instructions
Function
The Caleffi MixCal™ three-way thermostatic mixing valve is used in systems
producing domestic hot water or in hydronic and radiant heating systems.
It maintains the desired output temperature of the mixed water supplied to
the user at a constant set value compensating for both temperature and
pressure fl uctuations of incoming hot and cold water.
Product range
521A Series Three-way thermostatic mixing valve:
"C" models include inlet check valves "419, 519, 619" models include
outlet gauge adapter. Union thread NPT Male, sizes ½", ¾", 1"; Union
sweat, size ½", ¾", 1". Press connection ¾".
Technical Characteristics
Materials: -Body:
-Shutter, seats and sliding guides:
-Springs:
-Seals:
Suitable fl uids:
Setting range (outlet temperature):
Tolerance:
Max working pressure (static):
Max working pressure (dynamic):
Hot water inlet temperature range:
Cold water inlet temperature range:
Maximum inlet pressure ratio (H/C or C/H) for optimum performance:
Minimum temperature difference between hot water inlet and mixed
water outlet for optimum performance:
Minimum fl ow rate to ensure optimal performance:
Lay length (¾" press connection), hot to cold inlet:
Maximum fl ow rate:
Certifi ed to:
Reduction of Lead in Drinking Water Act compliant:
Reduction of Lead in Drinking Water Act Certifi ed by IAPMO R&T. Meets
requirements of ANSI/ NSF 372-2011.
www.caleffi.com
521 Series
low-lead brass (<0.25% Lead content)
water, 30% max glycol solution
85–150°F (30–65°C)
120–185°F (49–85°C)
39–80°F (3.9–26.6°C)
cUPC listed to ASSE 1017/CSA B125.3
0.25% Max. weighted
average lead content
38476.08
PPO
Stainless steel
EPDM
±3°F (±2°C)
200 psi (14 bar)
75 psi (5 bar)
2:1
27ºF (15ºC)
1.3 GPM (5 L/min)
3 /8"
7
15 GPM(57 L/min)