L o c h i n v a r
D E S I G N E R
’
S
G U I D E
E F F I C I E N C Y
+
B O I L E R
6 1 5 - 8 8 9 - 8 9 0 0
1
Air Removal . . . . . . . . . . . . . . . . . . . . . .18
Boiler Operating Temperature Control . . . .19
Clearances . . . . . . . . . . . . . . . . . . . . . . . .3
Codes . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Combustion & Ventilation Air . . . . . . . . . . .3
Connection To Terminal Strip . . . . . . . . . .19
Contaminants . . . . . . . . . . . . . . . . . . . . . .5
Electrical Requirements (North America) . . 19
Gas Supply . . . . . . . . . . . . . . . . . . . . . .14
Location of Unit . . . . . . . . . . . . . . . . . . . . .2
Low Water Temperature Systems . . . . . . . .17
Outdoor Installation . . . . . . . . . . . . . . . . .13
Outdoor Use . . . . . . . . . . . . . . . . . . . . . . .3
Primary/Secondary Piping . . . . . . . . . . . .15
Relief Valve Piping . . . . . . . . . . . . . . . . . .16
Remote Temperature Control . . . . . . . . . . .19
Special Design Applications . . . . . . . . . . .18
Three-Way Valves . . . . . . . . . . . . . . . . . .16
Venting . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Venting Options . . . . . . . . . . . . . . . . . . . .7
Water Flow Requirements . . . . . . . . . . . .15
Water Velocity Control . . . . . . . . . . . . . . .15
Figures & Tables Index
FIG. 1
Boiler Equipment & Control
Orientation . . . . . . . . . . . . . . . .3
FIG. 2-5 Combustion & Ventilation Air . . .4
FIG. 6
Barometric Damper
Installation . . . . . . . . . . . . . . . . .8
FIG. 7
Multiple Unit Barometric
Damper Installation . . . . . . . . . .8
FIG. 8
E+ Vent With
Sidewall Air Inlet . . . . . . . . . . . .9
FIG. 9
E+ Vent With
Vertical Air Inlet . . . . . . . . . . . .10
FIG. 10
Horizontal Direct Vent . . . . . . .11
FIG. 11
Horizontal Direct Vent Cap . . . .11
FIG. 12
Multiple Sidewall Vent Caps . . .12
FIG. 13
Vertical Direct Vent . . . . . . . . . .12
FIG. 14
Outdoor Venting . . . . . . . . . . .13
FIG. 15
Primary/Secondary
System Piping . . . . . . . . . . . . .16
FIG. 16
Low Temperature Bypass
System Piping . . . . . . . . . . . . .17
FIG. 17 Heating/Chilled
Water System . . . . . . . . . . . . .18
TABLE A. Clearances From
Combustible Construction . . . . . .3
TABLE B. Conventional Venting,
Vent Flue Size . . . . . . . . . . . . . .7
TABLE C. E+ Vent Sidewall
Air Kit Part Numbers . . . . . . . . .9
TABLE D. E+ Vent Horizontal
Air Kit Part Numbers . . . . . . . .11
TABLE E. Vertical Direct Vent Flue &
Air Inlet Sizes . . . . . . . . . . . . .13
TABLE F. Outdoor Vent Kit . . . . . . . . . . .13
TABLE G. Gas Supply Pipe Sizing . . . . . .14
TABLE H. Inlet Gas Pressure . . . . . . . . . .14
TABLE I.
Minimum & Maximum
Boiler Flow Rates . . . . . . . . . . .15
TABLE J. Water Flow Requirements . . . . .15
TABLE K. Heat Exchanger Head-loss . . . .16
TABLE L. Amp Draw . . . . . . . . . . . . . . .19
Appendix A: Boiler Piping Diagrams
Primary/Secondary Boiler . . . . . . . . . . . .A1
Multiple Unit - Primary/Secondary . . . . . .A2
Low Temperature Bypass Piping . . . . . . . .A3
Table of Contents
Содержание EFFICIENCY PLUS
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