Installation
I/O Wiring Instructions
Factory Program Terminal Functions as per MSV127 Preset Applications
See Each Detailed Sequence for I/O Function & Wiring
I/Os
Connector
Object Name
RT 2STG RT ECON HP 2STG RT IAQ RT MOD HP DEH HUM-DEH RT 3STG RT 4STG HP 3STG HP 4STG
1
COM COM COM COM COM COM COM COM COM COM COM
2
24V 24V 24V 24V 24V 24V 24V 24V 24V 24V 24V
3 (R) (R) (R) (R) (R) (R) (R) (R) (R) (R) (R)
4
BO1
G G G G G G G G G G G
5
BO2
Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1
6
BO3
Y2 Y2 Y2 Y2 Y2 Y2 Y2 Y2 Y2 Y2 Y2
7
BO4
W1 W1 W1 W1 W1 O (O/B) W1 Y3 Y3 Y3 Y3
8
BO5
W2 W2 O (O/B) W2 * DeHum W2 W1 Y4 O (O/B) Y4
9
BO6
OCC OCC OCC * OCC OCC Dehum W2 W1 O O (O/B)
10
BO7
P-EXH P-EXH P-EXH P-EXH P-EXH * * OCC W2 OCC OCC
10
AO1
* * * * * * Hum * * * *
11
AO2
* * * Analog heat Analog heat * * * * W1 W1
12
AO3
* * * * * * OCC * * * *
18
AO4
* Econo Econo Econo * * * * OCC * *
13 COM COM COM COM COM COM COM COM COM COM COM
14
AI1
BI1 BI1 BI1 BI1 BI1 BI1 BI1 BI1 BI1 BI1 BI1
15
AI2
OAT OAT OAT OAT OAT WS Supply RH high limit OAT OAT OAT OAT
20
AI3
SAT SAT SAT SAT SAT SAT SAT SAT SAT SAT SAT
21
AI4
RS RS RS RS RS RS RS RS RS RS RS
(Internal)
AI5
Room T Room T Room T Room T Room T Room T Room T Room T Room T Room T Room T
(Internal)
AI6
Room RH Room RH Room RH Room RH Room RH Room RH Room RH Room RH Room RH Room RH Room RH
(Internal)
AI7
Room CO2 Room CO2 Room CO2 Room CO2 Room CO2 Room CO2 Room CO2 Room CO2 Room CO2 Room CO2 Room CO2
(Internal)
BI1
Motion Motion Motion Motion Motion Motion Motion Motion Motion Motion Motion
16 A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP A+ MS/TP
17 B- MS/TP B- MS/TP B- MS/TP B- MS/TP B- MS/TP B- MS/TP B- MS/TP B- MS/TP B- MS/TP B- MS/TP B- MS/TP
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