Application - Bosch Heatronic 4000 Applications Manual

Controls

Hide thumbs Also See for Heatronic 4000:

Installation & operating instructions manual (60 pages)

Table Of Contents

Table of Contents

1 6 | Bosch Heatronic 4000 Controls

3.6 Application 4

Description:

Single temperature system with four modulating condensing

boilers are operated to provide an outdoor temperature reset

boiler target for a space heating load. The fourth boiler also

operates to provide heat for an indirect DHW load with priority

over space heating. Piping schematic is primary/secondary with

DHW near piping.

Essential Source (#) Settings:

ENABLE (1) = AUTO

BOSC BOILER (1) = YES

BOSC MODL (1) = "SB-Series"

ENABLE (2) = AUTO

BOSC BOILER (2) = YES

BOSC MODL (2) = "SB-Series"

Essential System Settings:

APP MODE = RSET

PUMP 1 = AUTO

PUMP 2 = AUTO

Application 4 Piping:

LEGEND:

S1 = Outdoor Sensor

S2 = Primary Supply Sensor

S3 = Primary Return Sensor

SB Series

DISCLAIMER: Application drawings in this manual are conceptual only and do not purport to address all design, installation, code, or safety considerations. The diagrams in this manual are for reference use by code officials, designers and

licensed installers. It is expected that installers have adequate knowledge of national and local codes, as well as accepted industry practices, and are trained on equipment, procedures, and applications involved. Drawings are not to scale.

Refer to the boiler, control and module installer manuals for additional detailed information!

Data subject to change

ENABLE (3) = AUTO

BOSC BOILER (3) = YES

BOSC MODL (3) = "SB-Series"

ENABLE (4) = AUTO

BOSC BOILER (4) = YES

BOSC MODL (4) = "SB-Series"

IDHW MODE = ON

IDHW LOCATION = NEAR

IDHW SENSOR = ON

S4 =