Honeywell Electronic Aquastat L7148F Manual page 10

L7148F ELECTRONIC AQUASTAT
L7148F
6
6
TO
VALVE OR
6
IGNITION
CONTROL
7
6
5
DATA
COM
6
68-0189—2
®
CONTROLLER
R
W
C
L2X
L1X
3
C
R882C
R
5
B1
B2
R
W
C1
C2
CIRCULATOR
L1
L1
ZONE 1
(HOT)
1
L2
L2
G
2
S1
TO
BOILER
S2
SENSOR
24V
TO
ADVANCED
FEATURE
MODULE
Fig. 10. Multizone system with R882C Switched Circulator.
T87F T87F
ZONE 1 ZONE 2
R882C
N.O. N.O.
N.C. N.C.
COM. COM.
N.O. N.O.
N.C. N.C.
COM. COM.
B W B
CIRCULATOR
ZONE 2
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2 GROUND MUST BE AN EARTH GROUND CONNECTION.
FOR EXTERNAL TRANSFORMER VA REQUIREMENTS,
3
REFER TO APPLICATION SECTION.
4 R882C IS PROVIDED WITH NEC CLASS 1 ENCLOSURE.
5 B1 AND S1 ARE 3/16 INCH QUICK CONNECT TERMINALS.
ALL OTHER TERMINALS ARE 1/4 INCH.
C, COM, Z, B2, G ARE ALL CONNECTED INSIDE DEVICE.
6
7 R IS A CONVENIENCE TERMINAL FOR 24V HOT CONNECTION
FOR USE WITH IGNITION CONTROLS.
10
T87F
ZONE 3
R882C
4
N.O.
N.C.
COM.
N.O.
N.C.
COM.
W B
3 4
CIRCULATOR
ZONE 3
M11482B