Honeywell Aquastat L8124B Product Data page 11

ZONE 1
THERMOSTAT
V8043F
TH TH
TH TR
TR TR
2
L8124G,L
T
Z
TV
1K
W R
B
LOW LIMIT/
CIRCULATOR
B
1K2
HIGH
LIMIT
R
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
1
OVERLOAD PROTECTION AS REQUIRED.
UP TO TWO V8043F ZONE VALVES CAN BE POWERED WITH
2
L8124G,L. ADD ADDITIONAL TRANSFORMER FOR EVERY
TWO OR LESS VALVES.
CONTROL CASE MUST BE CONNECTED TO EARTH GROUND.
3
USE GROUNDING SCREW PROVIDED.
4
B1 IS 1/4 IN. TAB TERMINAL.
Fig. 17. L8124G,L multizone system with zone
valve connections and internal schematic.
ZONE 2
THERMOSTAT
V8043F
TH TR
3
G
L1
1
(HOT)
2 L2 1
1K1
ZR
ZC
LINE VOLTAGE
OIL BURNER
RELAY OR
GAS VALVE
4
B1
B2
C2
C1
LINE VOLTAGE
CIRCULATOR
M1795B
11
L8124A,B,C,E,G,L,M AQUASTAT® RELAYS
LOW VOLTAGE
THERMOSTAT
L8124M
T T
1K
W R
B
LOW LIMIT
B
HIGH
LIMIT
R
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2 CONTROL CASE MUST BE CONNECTED TO EARTH
GROUND. USE GROUNDING SCREW PROVIDED.
3
B1 IS 1/4 IN. TAB TERMINAL.
Fig. 18. L8124M single zone connections
and internal schematic.
2
G
L1
L1
(HOT)
L2
L2
1
ZC
1K1
LINE VOLTAGE
CIRCULATOR
C1
C2
LINE VOLTAGE
OIL BURNER
RELAY OR
3
GAS VALVE
B1
B2
M8804
60-2061—10