Lochinvar COPPER-FINN2 502 - Manual (Page 62)

62
Installation & Operation Manual
9
Connection diagram
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OUTDOOR
SENSOR
SYS RETURN
SENSOR
SYS SUPPLY
SENSOR
0-10V SYS
- PUMP IN
CN2
1
2
3
4
5
6
7
8
FIELD
SUPPLIED
WIRING
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ALARM
CONTACTS
OPEN
CLOSE
COM
RUNTIME
CONTACTS
3-
W
A
Y
VA
L
V
E
ST
A
G
IN
G
S1
S1
S2
S2
S3
S3
S4
S4
LOUVER PROVING
SWITCH
LOUVER RELAY
COIL
TANK
AQUASTAT
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
CN3
CN2
CN1
CN6
CN4
CN5
TANK
SENSOR
+0-10V
-BMS IN
+0-10V
-RATE OUT
SHIELD
A
B
SHIELD
SHIELD
A
B
SHIELD
CA
S
C
A
D
E
MO
D
B
U
S
X1
X2
X10
X12
X4
X9
F2
F4
F5
F6
1
8
3
4
5
6
7
9
10
Y
R/W
BR
BR/W
Y/G
BL
BL/BK
PR
O/R
MAIN UNIT
1 1
6
2
3
4
5
PR
PR
BL
P
Y
P
GY/W
BK
1
6
3
7
2
4
8
PR
BR/W
W
P
BK
GY
BK/W
10 GY
12 G
1
9
3
4
5
6
7
8
10
11
12 12
BR
BR/W
R
R/O
R/BK
T/W
R/W
Y
GY
BL
W/BK
COMMON
0-10V DC IN
COMMON
0- 10V DC OUT
COMMON
0- 10V DC IN FROM
BMS
TO
BMS
FROM
PUMP
OUTPUT
L
O
U
VER
S
UNITS
MOD
BUS
BMS
1
6
2
3
4
5
BL
R/O
R/W
6
1
5
4
3
2
Y
Y
Y
NEUTRAL
UNIT
PUMP
SYSTEM PUMP
RELAY COIL
IND-DHW PUMP
RELAY COIL
LINE
GROUND
BK
G
BK/
1
3
5
2
4
BK
W
G
BK/W
BK/R
CONTROL
DISPLAY
INLET
SENSOR BR
BR
SAFETY
OUTLET
SENSOR
ON/OFF
SWITCH
BK
BK
BR
BR
CHASSIS
GROUND
W
P
W
PR
X3
1
2
3
4
P
P
PR
PR
1
2
3
4
R
W
BK
G
1
2
3
4
W
Y
W/BK
Y
1
7
2
5
6
8
Y
BK
P
W/R
R/BK
BK/R
FIELD WIRING
W
BK
G
3
1 BK
W
2 G
3
2 Y
BL
60VA
3
1 BK
W 3
2 Y
BL
CONTROLLER
XFMR
DIGITAL HARNESS
PUMP RELAY
AC
120VAC COIL
BR/
W
W
BR BR
IGNITER
Y
Y
Y
R/BK
R
BL
4
1
3
5
2
6
GY
GY
G
4
1
3
5
2
6
GY
G
GY
GY/W
G
GY/W
S1/S2
S3/S4
GY/W
Y
24V
GROUND
G
24V COM
1
3 Y
R
OPT. ALARM HARNESS
R
R
1HP
MAX
120V
120V
120V/60Hz
SUPPLY
R
OPEN
COMMON
CLOSE
24V
TO MONITORING DEVICE
TO MONITORING DEVICE
NEU
LINE
STAGE #1
STAGE #2
STAGE #3
STAGE #4
TANK SENSOR
AQUASTAT
M
COM
PROVE
LOW VOLT HARNESS
MAIN POWER HARNESS
OPT. MODBUS HARNESS
CKT. BREAKER
2
4
1
BOILER/POOL HEATER
2 T
120V
12
0V
24
V
OUT
DOOR
AIR
POOL/BOILER
BK
G
R
W
CN1
10K
10K
10K
10K
POOL
SAFETY
SUPPLY
10K
10K
10K/20K
10K
10K/20K
Y
MODBUS
MODULE
CONNECTIONS
20K
10K PO
O
L
SU
P
SE
N
S
O
R
3-WAY
VALVE
CONNECT
TO
TERMINAL
#19
(LOUVER
RELAY)
NOTE: Not all connections/features apply to pool heaters.