55
9
Field wiring
(continued)
Figure 9-3
Low Voltage Field Wiring Connections
Installation & Operation Manual
LOUVER RELAY
FLO
W
SW
ITCH
TA
NK THE
RM
OS
TA
T
ROOM THERMOST
AT 3
SY
STEM
SUPPL
Y
SENS
O
R
BUILDING
MANAGEMENT
SY
ST
EM
LOUVER
PROVING S
WI
TCH
COM
NO
LO
W
WA
TE
R
CUTOFF
OUTDOOR SENSO
R
SHIELD
SHIELD
TO NE
XT
BOILER
A B
A B
FROM
PREVIOUS
BOILER
ROOM THERMOST
AT 1
ROOM THERMOST
AT 2
TANK SENS
OR
A
B
NOTE
:
CONNEC
TI
ON BOARD SPLIT FOR
ILLUSTRATION PURP
OS
ES
WI
RE A
S
NEEDED
SYSTEM PUM
P
SPEE
D
CONTROL
BOILER PUMP
2000608490 0
0
RECIRC
PUMP RELAY
DHW RECIRC SEN
SO
R