Lochinvar F0600187510 - Manual (Page 56)

Commercial Pool Heaters
LADDER DIAGRAM
24
V A C
CO
NT
R O L
J3
5
4
6
1
2
3
O.C.
J1
J2
3 2 1 J4 P GND
MV
PV
PV
MV
NO
C
NO
NC
S2/
FS
-
+
F2
F1
NEU
LINE
S1
O
R
PRESSUR
E SWITCH
RESET
PURGE
GY
GY
TE
M
P ER
A
TU
R
E
CO
NT
R
O
L
24 VAC 120 VAC
+ -
Y
W
CHASSIS
GROUND
-
Y
BK/W
G
W
OPTIONAL
ALARM DELAY
IGNITER
TRIAL
GY
GY
BK
P
BL
O
W
CIRCUIT BREAKER
BL
+
ALARM
CONTACTS
OPTIONAL ALARM
BELL 24V OUTPUT SILENCE BL
ALARM
G
BL
CHASSIS
GROUND
SE
NS
OR
S
ADJ. HI-LIMIT
AUX. HI-LIMIT
PR
ALARM
INPUT 4
BK
1
2
BK
LINE NEUTRAL
GROUND
BL
BR
BL
PR/
BK
VALVE(S)
Y
Y
Y
W
W
R
BL
120 VAC 15AMPS
60Hz
Y PR
Y
Y Y
PROVING
SWITCH
MOTOR
CONTACTS
ON/OFF
POWER
SWITCH
PR
LOUVER /VENTER
ENABLE/CONTACT RELAY
FIELD SUPPLIED LOUVER /
POWER VENTER CONNECTIONS
(1) WHERE POSSIBLE, ALL SWITCHES AND CIRCUITRY ARE .S E T A T S T S E R T A R I E H T N I N W O H S
NOTES:
(2) ADDITION OF ENERGY MANAGEMENT SYSTEMS OR OPTION AL LIMIT SWITCHES TO THE TERMINAL
(3) REFER TO ACTUAL COMPONENTS FOR EXACT TERMINAL L OCATIONS.
DOTTED LINE
INDICATES OPTIONAL
EQUIPMENT
ITEM INDICATES
CLOSED END SPLICE
JUNCTION POINT
(ELECTRICALLY SAME)
T=TAN
Y=YELLOW
BR=BROWN
G=GREEN
GY=GRAY
W = WHITE
BK = BLACK
PR=PURPLE
BL=BLUE
P=PINK
O =ORANGE
(4) WHEN REPLACING DAMAGED WIRING, USE EQUIVALENT TYPE AND GAUGE.
A
D
LE
BL/W
OPTIONAL
R
R
= RELAYS LO CATED O N CONTROL PANEL
= RELAYS LO CATED IN W IRING BO X
OPEN
CLOSED COM
C2 NO2
Y/G = YELLOW WITH GREEN STRIPE
R=RED
PR
OPTIONAL HIGH-LOW GAS
PRESSURE SWITCHES
PR
OPTIONAL
A1 B1 A2 A3 B2 B3
CONTINUOUSLY
MONITORED
INTERMITTENTLY
MONITORED
FIELD INSTALLED
SAFETY DEVICES
NOTE: SHOWN WITH SHORTING
BARS REMOVED AND ATTACHED
DEVICES IN NON-ALARM STATE.
CONTINUOUS INTERMITTENT
COM COM
FAIL
OK OK
FAIL
HIGH/LOW GAS, AUX. HI-LIMIT
AUX. LIMITS, EXT. FLOW SWITCH
EXAMPLE DEVICES:
BK
4
2
3
24VAC
PI
RESET
PS
FF
TH
24COM
MV
M/S
1
2
4
5
6
7
8
9
11
3
10
- +
STATUS
4
T/W
Y
BL
IGNITION
MODULE
FLAME
CURRENT
TEST PINS
BK
W
GY GY
BR/W
BL
WARNING: THIS HEATER MAY BE
CONNECTED TO ONE OR MORE BRANCH
, K C O H S L A C I R T C E L E T N E V E R P O T . S T I U C R I C
ENSURE ALL BRANCH CIRCUITS ARE DE -
ENERGIZED BEFORE ATTEMPTING TO SERVICE
THIS EQUIPMENT.
LOW HIGH
REMOVE
JUMPER
STRIP REQUIRE THE REMOVAL OF SOME OF THE SHORTING B ARS FROM THE TERMINAL STRIP .
R
R
5
1
BL
Y
Y
OPTIONAL
PR
FFR
P
PR AL Y
P Y
= LEDS LO CATED O N DISPLAY BO ARD
= O PTIO NAL DIN RAIL CO NNECTO RS
LO CATED IN ELECTRICAL W IRING BO X .
C
C
NO
NO
~~~~ ~~~~
BLOWER #2
BLOWER #1
4
3
PUMP ON/OFF RELAY
BK
BK
PU BR
24VAC
VALVE(S)
Y
1C 1NO
A1 A2 A3 B1 B2 B3
STAGE #1
~ ~ ~
~ ~ ~
PR
~~~~ ~~~~
OPTIONAL
RUN TIME
RELAY
CONTACTS
RT
PR
BR PR
PR
O/
BK
FIELD CONNECTION FOR
REMOTE OPERATOR
FLOW
SWITCH
110°F
HI-LIMIT
FIELD
LOCATED
IN POOL
PIPING
BL/
BK
T
5
2
1
4
3
5
2
1
BR
W
C1 NO1
PR
T
BL/BK
R
P
P
GND
RESET
PR PR
TEST SWITCH
T
PROBE
T
C
C
C
NO
NO
C
NO
C NO
LBL20010 REV A
MAN. RESET
RESET
PR
Y
PURGE SW
PUMP
PURGE
1 1
3 3 O
O
O/W
1
3
6
2
4
BL
5
2 5
-24V
+24V
BURN ON
TH IN
TH OUT
PUMP OUT
Y
R
O
BR
P
MAINT BL
O
O
BL
BL
OFF
ON BL
SERVICE/
MAINT
JUMPER
O/W
6 6
O/BK
4
2 5 4
BL
BL
BL
N.O.
O/BK
BL
BR
120 VAC
15AMPS
BK
W
G BK
PUMP
4
3
5
2
1
BK
BK
W
W SHUTOFF/
SOLENOID VALVE
NORMALLY OPEN
VENT VALVE
4
3
5
2
1
OP
TI
O
N
A
L
OR
9
6
5
7
5
7
6
9
PR
O
PR
PR
Pool System/Return 5
6
4
3
1
2 5
6
4
3
1
2 BR/W
BR
BR
PR
BR/W
14 13
18 17
Pool Supply
Outlet Sensor
Inlet Sensor
PR/BK
2 1
O/BK
R
BURNER
R/BK
NOT USED
991-2071
ONLY
HD
24 12
15 16
3
FLAME
PRESENCE
BK/W
PR/BK
T/W
6
8
5
7
9
22 21
20 19
W
BK/W
1
2
3
4
1
2
3
4
1
2
3
4
5
OPEN
CLOSE
3-WAY VALVE ACTUATOR
CLOSE
OPEN
24V
COM
Y
W
T
SER/MAINT
Y
BL
P
W/R
P
W/R
BL
Y
23 ALARM PR PR
ALARM
DELAY
T
W
BR
PR
BR/W
PR/BK
BL/
BK
Y
Alarm Delay Connection
BR/W
BR/W
BR
PR
BR/W
BR/W
BR
BR
BR/W Y
Delay
BL/
BK
CP
991-2071
O
O/
BK
O
Y
BL
O PR PR
T
PR 4 4
BL
O
O
PR
PR
Y
Y
PR
BL/
BK BL/
BK
BL/
BK
BL/
BK
Y
Y
56