Lochinvar VAL2123, BLT2026, BLT2119, BLT2118, BLT2120, VAL3047 Typical piping applications cont, 3 of

Models: VAL20000 INS7238 TFL2092 GKT2055 VAL3047 BLT2120 VAL2123 BLT2118 BLT2119 BLT2026

1 8
Download 8 pages 41.77 Kb
Page 3
Image 3
Typical piping applications (cont.):

Typical piping applications (cont.):

Figure 6_Primary /Secondary Piping of a Single Boiler - 2" Valve

A = BLENDED

WATER

 

B = FROM

C = SYSTEM

BOILER

RETURN

OUTLET DETAIL

WATER

Note: Valve must be installed with proper port orientation. Failure to observe port markings on the valve body prior to installing the valve could result in damage to the unit.

DETAIL

*Best practice for Indoor/Outdoor reset. **Best practice for set point operation.

 

 

 

.

 

 

 

DIA

 

 

PIPE

 

4

APART

 

EXCEED.OF

12”

 

NOT

TO MAX

 

 

A

 

 

OR

 

 

NOTES: 1) Unit(s) high limit must be set at max.

2)Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here. Consult the Installation and Service Manual for actual locations.

3)Unit(s) pump should operate only during firing periods.

Figure 7_Primary/Secondary Piping of Multiple Boilers - 2" Valve for each boiler

 

 

 

.

 

 

 

DIA

 

 

PIPE

 

4

APART

 

EXCEED.OF

12”

 

NOT

TO MAX

 

 

A

 

 

OR

 

 

NOTES: 1) Unit(s) high limit must be set at max.

2)Inlet and outlet connections to the boiler are shown for reference only. Actual connections may vary from those represented here. Consult the Installation and Service Manual for actual locations.

3)Unit(s) pump should operate only during firing periods.

INS7238 Rev C

3 of 8

 

Page 3
Image 3
Lochinvar VAL2123, BLT2026, BLT2119, BLT2118, BLT2120, VAL3047, GKT2055, TFL2092, INS7238 Typical piping applications cont, 3 of