Lochinvar 80 - 285 - Manual (Page 49)

Installation & Operation Manual
49
8
Field wiring
(continued)
A
U
X.
D
E
VI
CE
PI
L
O
T
SUP
P
L
Y
24V
A
C
GN
D
A
U
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. DE
V
ICE
PR
O
V
IN
G
GA
S PR
E
S
S
U
R
E
S
W
ITCH
FLO
W
S
W
ITCH
ALAR
M
CO
NT
ACT
S
RUNTI
M
E
CO
NT
ACT
S
S
YSTE
M
SE
N
S
O
R
DH
W
T
A
NK
SE
N
S
O
R
OUTD
O
O
R
SE
N
S
O
R
S
H
IE
LD GR
OU
ND
0-
1
0
V
D
C
E
X
T
E
RNAL
GN
D
C
O
NTR
O
L
D
H
W
T
H
ER
M
O
ST
A
T
R W
RO
O
M
TH
E
R
M
O
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T
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T
/
ZON
E
C
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NTR
O
L
A B S
H
IE
LD GR
OU
ND
SEQ
U
E
N
C
IN
G
LOW W A TER
CUT OF F
CN 1 CN 2
CN3
CN4
CN5
AU
X
. DEVIC
E
RE
L
A
Y
FLOW
SW
ITCH
TA
N
K
T
H
E
R
M
O
S
T
A
T
W
A
LL
THER
M
O
ST
A
T
/
ZO
N
E
C
O
NTROL
SY
ST
EM
SU
PPL
Y
SEN
S
OR
OUTDOO
R
SEN
S
OR
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ILDIN
G
MANA
G
M
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N
T
S
Y
ST
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AU
X
. DEVIC
E
PR
OVIN
G SW
ITCH
CO
M
NO
A
A
B
A B
SHIELD
SHIELD
FROM
PR
EVIOU
S
BOILER
TO NE
X
T
BOILER
(AUX
) DH
W
SE
N
S
OR
LOW
W
A
T
E
R
CU
T
O
F
F
Figure 8-3 Low Voltage Field Wiring Connections