L o c h i n v a r
D E S I G N E R
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S
G U I D E
P O W E R
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F I N
W A T E R
H E A T E R
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Table of Contents
Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Combustion & Ventilation Air . . . . . . . . . . . . . . . . .5
Contaminants . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Determining Total "Free" Area . . . . . . . . . . . . . . . . .5
Electrical Requirements . . . . . . . . . . . . . . . . . . . . .20
Gas Bleeds & Vents . . . . . . . . . . . . . . . . . . . . . . .18
Gas Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
General Venting . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Location of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Low Water Temperature Delivery . . . . . . . . . . . . . .18
Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . .19
Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Venting Overview . . . . . . . . . . . . . . . . . . . . . . . . .8
Venting Options . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Water Connections . . . . . . . . . . . . . . . . . . . . . . .18
Water Treatment . . . . . . . . . . . . . . . . . . . . . . . . .19
Water Velocity Control . . . . . . . . . . . . . . . . . . . . .18
Figures & Tables Index
FIG. 1
Clearances From Combustibles . . . . . . . . .3
FIG. 2
Water Heater Equipment
And Control Orientation . . . . . . . . . . . . . .4
FIG. 3-6 Combustion And Ventilation Air . . . . . . . . .5
FIG. 7
Conventional Negative Draft Venting . . . . .9
FIG. 8
Vertical Negative Draft Venting . . . . . . . . .9
FIG. 9
Vertical Positive Pressure Venting . . . . . . . .9
FIG. 10 Multiple Unit Barometric Damper Installation10
FIG. 11 Sidewall Venting . . . . . . . . . . . . . . . . . .10
FIG. 12 Location Of Sidewall Vent Termination . . .11
FIG. 13 DirectAire Vertical w/ Sidewall Air Inlet . .14
FIG. 14 DirectAire Vertical w/ Rooftop Air Inlet . .15
FIG. 15 DirectAire Horizontal w/ Rooftop Air Inlet 15
FIG. 16 DirectAire Horizontal w/ Sidewall Air Inlet
In A Different Pressure Zone . . . . . . . . . .15
FIG. 17 Direct Vent Vertical . . . . . . . . . . . . . . . . .16
FIG. 18 Direct Vent Horizontal . . . . . . . . . . . . . .16
TABLE A Clearances From Combustibles . . . . . . . . .3
TABLE B Power-Fin Venting Configurations . . . . . . .8
TABLE C Sidewall Vent Kits . . . . . . . . . . . . . . . . .10
TABLE D Sidewall Air Inlet Kits . . . . . . . . . . . . . . .12
TABLE E Flue & Combustion Air Pipe Sizes . . . . . .14
TABLE F Horizontal Direct Vent Kits . . . . . . . . . . .16
TABLE G Gas Supply Pipe Sizing . . . . . . . . . . . . .17
TABLE H Inlet Gas Pressure Requirements . . . . . . .18
TABLE I
Required Temperature Rise . . . . . . . . . . .18
TABLE J Required Pump Performance . . . . . . . . .19
TABLE K Common Water Manifold Sizes . . . . . . .20
TABLE L Amp Draw . . . . . . . . . . . . . . . . . . . . . .20
Water Heater Piping Diagrams
Single Heater - Single Tank . . . . . . . . . . . . . . . . . .A1
Single Heater - Two Tanks . . . . . . . . . . . . . . . . . .A2
Two Temperature Installation
/ Single Heater - Single Tank . . . . . . . . . . . . . . .A3
Two Heaters - Single Tank . . . . . . . . . . . . . . . . . .A4
Two Heaters - Two Tanks . . . . . . . . . . . . . . . . . . .A5
Содержание Power-Fin PF 1500
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