L8148A,E,J AQUASTAT® RELAYS
11
60-2278—9
Fig. 13. Internal schematic and external connections for wiring L8148J for either low voltage or millivoltage gas valves.
Fig. 14. Multizone system with R882C switched circulator.
L1
(HOT)
L2
1
1
4
5
5
1
2
3
4
5
2
3
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
REMOVE Z-W JUMPER IF SERIES 60 LOW LIMIT IS USED.
WIRE LOW LIMIT CONTROLLER OR ZONE VALVES AS
SHOWN. USE WITH 24V (B1-B3) CIRCUIT ONLY.
FOR 24V BURNER, WIRE B1-B3 AND USE JUMPER Z-W
AND TP-Z. FOR POWERPILE® (MILLIVOLTAGE) GAS
VALVES, REMOVE JUMPER TP-Z AND WIRE BURNER
B1-B2. JUMPER Z-W REMAINS IN POSITION.
CONTROL CASE MUST BE CONNECTED TO EARTH
GROUND. USE GROUNDING SCREW PROVIDED.
B1 IS 1/4 IN. TAB TERMINAL.
L6006
LOW LIMIT
CONTROLLER
POWERPILE®
MILLIVOLTAGE
GAS VALVE
PP
PP
TH2
TH1
W
R
R
R
B
B
B
24V
THERMOSTAT
L8148J
CIRCULATOR
G
G
L1
L1
L2
B3
B2
B1
HIGH
LIMIT
TP
TV
T
W
Z
C1 C2
TR
TH
THTR
LOW VOLTAGE
GAS VALVE
(eg, VR8300)
1K3
TP
Z
W
T
TV
1K2
AUTO
MANUAL
SWITCH
1K1
C1
C2
B3
B2
B1
L2
L8148J
M1793B
TV
T
W
W
Z
B1
B2
C1
C2
L1
L2
G
L8148
CIRCULATOR
ZONE 1
CIRCULATOR
ZONE 2
CIRCULATOR
ZONE 3
L1
(HOT)
L2
1
2
3
4
5
6
1
2
3
4
5
4
6
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
CONTROL CASE MUST BE CONNECTED TO EARTH
GROUND. USE GROUNDING SCREW PROVIDED.
AS MANY AS THREE R882C RELAYS CAN BE
POWERED BY THE L8148E OR J. ADDITIONAL
GROUPS, WITH A MAXIMUM OF THREE RELAYS PER
GROUP, REQUIRE AN ADDITIONAL TRANSFORMER.
R882C IS PROVIDED WITH NEC CLASS 1 ENCLOSURE.
L8148E SHOWN. L8148J IS IDENTICAL EXCEPT WITH
ADDITION OF TP AND BE TERMINALS.
B1 IS 1/4 IN. TAB TERMINAL.
M1623B
TO
BURNER
CIRCUIT
N.O.
N.C.
COM.
N.O.
N.C.
COM.
R882C
B
W
N.O.
N.C.
COM.
N.O.
N.C.
COM.
R882C
B
W
N.O.
N.C.
COM.
N.O.
N.C.
COM.
R882C
B
T87F
ZONE 1
T87F
ZONE 2
T87F
ZONE 3
