53
8
Field wiring
(continued)
Figure 8-3 Low Voltage Field Wiring Connections
Installation & Operation Manual
LOUVER
RELA
Y
FLOW
SW
ITCH
T
A
NK THER
M
O
ST
AT
R
OOM
THERM
O
STAT 3
SY
STEM
SUPPL
Y
SENSOR
BU
ILDIN
G
MA
N
A
G
E
M
E
N
T
SY
ST
EM
LOUVE
R
PR
OVIN
G SW
ITCH
COM
NO
LOW
W
A
T
E
R
C
U
TOFF
OUTD
OOR
SENSOR
TANK SENS
O
R
SHIELD
SH
IELD
TO
NE
X
T
BOILER
A B
A B
FR
OM
PREVIOUS
BOILER
R
OOM
THERM
O
STAT 1
R
OOM
THERM
O
STAT 2
A
B
NO
T
E
:
CONNECT
ION BOARD S
P
LIT
FOR
ILLUS
TR
AT
ION PURPO
S
ES
WI
R
E
A
S
NEEDE
D
SYSTEM PUMP
SP
EED
CONTROL
BOILER
PUMP
IMG0
0
1
27
