STRATO BW437-RTU - Page 20

Installation
I/O Wiring & Sequence
MSV127 – RT 2STG
RT 2STG: Sets for a 1 on/off fan, 2 on/off heat & 2 on/off
cooling stages RTU unit
Notes:
- BO6 is an occupancy output that follows the main occupancy
- BO7 is an on/off power exhaust that follows the main occupancy
when the main fan BO1 is on
- AI’s can be configured for various options as per MSV2, 27, 28,
66 & 67
Add 24VAC transformer when the power
is not supplied by the equipment
18
19
20
21
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1COM
24VAC
(R)
BO1
BO2
BO3
BO4
BO5
BO6
AO1/BO7
AO2
AO3
COM
AI1
AI2
A+
B-
AO4
COM
AI3
AI4
MS/TP
AO1
BO7
JP2
EOL
NONE
JP3
Rooftop unit
(2 cooling / 2 heating)
G
C
R
Y1
Y2
W1
W2
OCC
Exh
Service
OAT
RS
SAT