Bosch Appliances GWH 425 PN/HN4GWH 4254 manual Fan Coil Space Heating and DHW Electrical Diagram

Models: GWH 425 PN/HN4GWH 4254 GWH 260 PN/HN2

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Applications manual

35

 

 

5.1.2 Fan Coil space heating and DHW electrical diagram

The following shows the appropriate electrical connections for plumbing diagram 5.1.2

 

Terminal box

 

PK

P0

PS

PE

L

N

LL

N

L

 

ESR control

board

110VAC from outlet

PK

T

Stat

 

SR501

 

R

W VAC24

 

 

1 ZONE

 

 

SWITCHING RELAY

T

T

COM

 

120 VAC

 

 

 

 

 

 

INPUT

 

4

4

6

6

 

N

H

3

5

N/O

N/C

N/C

N/O

Neutral

120Vac

TT

LR LS

AQUASTAT

P1

Fan Coil 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 # EFCOL

CN

revA 10/07

Bosch Water Heating

Applications manual 11.2007

Page 35
Image 35
Bosch Appliances GWH 425 PN/HN4GWH 4254, GWH 260 PN/HN2 manual Fan Coil Space Heating and DHW Electrical Diagram