A
A/2
2
1
3
For technical support or additional product information, contact:
Danfoss Inc.
7941 Corporate Drive
Baltimore, MD USA 21236
Telephone: (433) 512 - 0266
Fax: (443) 512 - 0270
E-mail: [email protected]
www.na.heating.danfoss.com
Danfoss Inc.
6711 Mississauga Road · Suite 410
Mississauga, ON, L5N 2W3 Canada
Telephone: (905) 285 - 2050
Fax: (905) 285 - 2055
E-mail: [email protected]
www.na.heating.danfoss.com
the system.
START UP
With the balancing valve on the bypass fully open, operate the boiler until it reaches
it´s normal operating temperature. If hot water does not automatically flow to the
system then adjust (throttle) the bypass balancing valve until flow (hot water) to the
system is established. If flow is already to the system, no adjustment is required.
TEChNICAL DATA
Temperature Ranges:
Standard: Supply mounted 160°F/72°C
Return mounted 140°F/60°C
Return mounted 113°F/45°C
Type
Code No.
Size
Opening temp.
A
A/2
Cv
Weight
461 A 065 B 8920
1" NPT (Female x Female)
160°F/72°C
4.2
2.10
10.5
3.3 lb.
462 A 065 B 8921
1 ¼" NPT (Female x Female)
160°F/72°C
4.5
2.25
16.4
4.4 lb.
463 A 065 B 8922
1 ½" NPT (Female x Female)
160°F/72°C
4.7
2.35
20.0
5.3 lb.
464 A 065 B 8923
1" NPT (Female x Female)
140°F/60°C
4.2
2.10
10.5
3.3 lb.
465 A 065 B 8924
1 ¼" NPT (Female x Female)
140°F/60°C
4.5
2.25
16.4
4.4 lb.
466 A 065 B 8925
1 ½" NPT (Female x Female)
140°F/60°C
4.7
2.35
20.0
5.3 lb
464 AL 065 B 8917
1" NPT (Female x Female)
113°F/45°C
4.2
2.10
10.5
3.3 lb.
465 AL 065 B 8918
1 ¼" NPT (Female x Female)
113°F/45°C
4.5
2.25
16.4
4.4 lb.
466 AL 065 B 8919
1 ½" NPT (Female x Female)
113°F/45°C
4.7
2.35
20.0
5.3 lb
Max operating pressure:
85 psi/6 bar
Max operating temperature: 230°F (110°C)
Boiler
From system
or
mixing tank
1
3
2
To system
or
mixing tank
