Lochinvar Crest 2500 Series, Руководство по установке и эксплуатации

Страница: 38 / 64

38
Installation & Operation Manual
7
Field wiring
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
AL
AR
M
CON
TA
CT
S
RUN T
IM
E
CON
TA
CT
S
TA
NK
TH
ER
M
OS
TA
T
ENA
BL
E
LO
UV
ER
PROVI
NG
LO
UVER
REL
AY
AU
X
SWI
TCH
1
AU
X
SWI
TCH
2
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
CA
SCA
DE
SY
ST
EM
PUM
P
IN
BM
S
IN
OU
TD
OO
R
SENS
O
R
SENS
O
R
SENS
O
R
SENS
O
R
TA
NK
SYST
EM
SUPPL
Y
SYS
TE
M
RET
UR
N
BO
IL
ER PUMP
OU
T
OU
T
RA
TE
MO
DB
US
SHI
EL
D
SHI
EL
D
B A - + + - - - + + SHI
EL
D
SHI
EL
D
B A
B
U
IL
DI
NG
MA
NA
GEME
N
T
SY
STEM
TA
N
K
THER
M
O
STA
T
EN
ABLIN
G
D
E
VIC
E
LOU
V
ER
PR
OVI
N
G
SW
ITCH
LOU
V
ER
RE
L
A
Y
AU
X
SW
ITCH
1
AU
X
SW
ITCH
2
F
R
OM
PR
EVIO
U
S BOILER
T
O
N
E
X
T
BOILE
R
A B B A SH
IELD
SH
IELD
0-
10V I
N
PUT
SY
STEM
PU
M
P
O
U
TD
OO
R
SEN
SO
R
TAN
K
SEN
S
O
R
SY
STEM
SU
PPLY
SEN
S
OR
SYS
T
E
M RE
T
U
RN S
E
N
S
O
R
0-
10V OUTPUT
BOILER
PU
M
P
MO
DBUS
CO
MM
UNI
CAT
IO
N
B
U
S
SH
IELD
A B
B A
SH
IELD
Figure 7-3 Low Voltage Field Wiring Connections
* See page 18 for special instructions when common venting Crest boilers.
*