Honeywell AUTOMATIC CONTROL SI Edition User Manual

ENGINEERING MANUAL OF AUTOMATIC CONTROL
CHILLER, BOILER, AND DISTRIBUTION SYSTEM CONTROL APPLICATIONS
391
Fig. 140. DDC Control of Two-Stage Heat Exchanger for Domestic Hot Water and Heating.
TIC
21
PI
22
TI
12
PI
11
Y
23
M
Y
13
TIC
215
PI
24
M
Y
31
TIC
32
PIC
33
M
Y
310
Y
39
QIR
214
PI
213
Y
38
QIR
15
TIC
16
PI
17
M
QIR
02
Y
27
Y
26
Y
25
Y
14
M
DDC
TI
01
OUTSIDE AIR
CENTRAL
SYSTEM
DISTRIBUTION
SUBSTATION
CONSUMER
ELEC. POWER
Y
36
PIC
35
TIC
34
Y
29
Y
210
Y
211
Y
212
Y
37
PI
28
HEX1
HEX2
HEX3
PSF
PRF
DHW
DHW
SSF
SRF
COLD WATER
M11431
RECIRCULATED

Honeywell AUTOMATIC CONTROL SI Edition Specifications

General

Brand	Honeywell
Model	AUTOMATIC CONTROL SI Edition
Category	Control Systems
Language	English