Applications manual | 43 |
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5.2.1 Baseboard/Radiant Panel space heating and DHW electrical diagram
The following shows the appropriate electrical connections for plumbing diagram 5.2.1
Terminal box
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| PK |
| P0 |
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| PS |
| PE |
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| L N |
| LL |
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| N L |
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PK
T
Stat
24 VAC |
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POWER |
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| SR 503 |
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| ZONE1 | ZONE2 | ZONE3 |
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| or equivalent |
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| THREE ZONE SWITCHING RELAY | ||||
| FUSE 1 AMP |
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| WITH OPTIONAL PRIORITY | ||||
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N | P | ZC | H | X1 | X2 | ZONE1 | ZONE2 | ZONE3 |
ZR | ||||||||
Neutral
120Vac
110VAC from outlet
ESR control
board
TT
LR LS
AQUASTAT
P1
Indirect Baseboard/Radiant Panel Space Heating and DHW
Electrical Diagram
Note: This drawing is conceptual in nature and does not address all design, installation or safety considerations.
Additional safety and/or auxiliary equipment may be needed. This diagram is for reference use by officials, designers and licensed installers.
It is expected that installers have adequate knowledge of accepted industry practices for the equipment, procedures, and applications involved. Drawing is not to scale.
Drawing # EID BBOL CN revA 10/07
Bosch Water Heating | Applications manual 11.2007 |
