VisionPRO 8000 Spec Sheet 2017

Table Of Contents
VISIONPRO
®
8000 WITH REDLINK™
68-0312—05 136
Economizer Module Wiring Diagrams
Fig. 339. Economizer control with economizer fault alert using TH8321R without EIM.
Configure the TH8321R to control economizer (see settings for ISU 222).For the thermostat to economizer wiring other
than the U1 and A-L/A, see the other economizer diagrams in this section.
Fig. 340. Economizer control with custom alert when using an EIM.
Wire a relay to one of the four sets of S terminals (as shown). Configure the Prestige to control economizer (see settings for
ISU 222) and use a custom alert (see ISU settings 600, 617– 620). For the EIM to economizer wiring other than the A-L/A
and S contacts, see the other economizer diagrams in this section.
TH8321R
SUB-BASE
Y2-I
Y2-O
Y1-I
Y1-O
C
R
OCC
E-GND
EXH1
FURNACE,
AIR-HANDLER,
OR RTU
C
R
C
RC
W7220 JADE
ECONOMIZER
AUX2-1
AUX1-0
A-L/A
R
U1
U1
M36870
EIM
Y2-I
Y2-O
Y1-I
Y1-O
C
R
OCC
E-GND
EXH1
C
R
RC
C
R
AUX2-1
AUX1-0
A-L/A
RH
RELAY
REQUIRED
S1 (OR S2 OR S3 OR S4)
S1 (OR S2 OR S3 OR S4)
M36871
W7220 JADE
ECONOMIZER
FURNACE,
AIR-HANDLER,
OR RTU