Figure 4-12h. DDc Control System Ladder Diagram for Single Building Dual

Figure 4-12g. DDc Control System Schematic for Single Building Dual - Temperature Hydronic System.

Figure 4-12i. DDc Control System Equipment For Single Building Dual - Temperature Hydronic System

Heating, Ventilating, and Air Conditioning (HVAC) Control Systems - index
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248

CEMP-E

TI 810-11

30 November 1998

XX-01

DTS

HEATING

XX-05

XX-13

DTS

COOLING

XX-06

XX-14

DUAL-TEMP MODE SELECTOR SWITCH

(See Note 1)

Notes:

1. HS-XX-01 shall be located adjacent to the DDC panel.

DTS

XX-04

XX-11

300

CHILLER CONTROL

CIRCUIT

301

CHILLER INTERLOCK

DTS

XX-03

XX-10

200

BOILER CONTROL

CIRCUIT

201

BOILER INTERLOCK

DTS

XX-09

XX-02

PUMP

P-1

M01

XMFR

FUSE

100

HAND

OL'S

M01

OFF

101

102

AUTO

DTS

XX-08

XX-01

Figure 4-12h. DDC control system ladder diagram for single building dual-temperature hydronic system.

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