Lochinvar KBII-I-O REV C 81 - 286 - Manual (Page 53)

53
Installation & Operation Manual
8
Field wiring
(continued)
LO
U
V
ER
R
E
LA
Y
FLOW
S
W
ITCH
TA
N
K
T
H
E
R
M
O
S
T
A
T
RO
O
M
T
H
E
R
M
O
S
T
A
T
3
SY
ST
EM S
U
PPL
Y
SEN
S
O
R
B
U
IL
DI
NG
MA
N
A
G
E
ME
N
T
SY
ST
EM
LOU
V
ER
PR
OVIN
G SW
ITC
H CO
M
NO
LOW
W
A
T
E
R
C
U
TOFF
OU
T
D
OO
R
SENSO
R
T
A
N
K
SEN
SO
R
SH
IE
LD
SHIELD
TO NE
X
T
BOILE
R
A B
A B
FR
OM
PREVIO
U
S
BOILER
RO
O
M
T
H
E
R
M
O
S
T
A
T
1
RO
O
M
T
H
E
R
M
O
S
T
A
T
2
A
B
NO
T
E
:
CO
NNECT
IO
N
B
O
A
R
D
SP
L
IT
F
O
R
IL
L
U
S
T
RA
T
ION
P
U
RP
OS
E
S
WI
R
E
A
S
NEED
E
D
SY
ST
EM PUMP
SPEED
CO
NT
RO
L
BO
ILER
PU
MP
Figure 8-3 Low Voltage Field Wiring Connections