L7224A,C; L7248A,C,L OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT
Security Warning
This product contains electronic hardware and
software. No one is authorized to modify the
hardware or software. Any modification or tampering
could result in any or all of the following: incorrect
operation of the product or the appliance, unsafe
operation, personal injury, and property damage.
Modification or tampering will also make the warranty
null and void, and any liability, will have to be borne by
the owner, installer, or facility manager.
Resideo Inc., 1985 Douglas Drive North,
Golden Valley, MN 55422
www.resideo.com
68-0281EFS—09 M.S. Rev. 11-18 | Printed in United States
©2018 Resideo Technologies, Inc. All rights reserved. The Honeywell Home trademark is used under license from Honeywell International Inc.
1
L2
L1 (HOT)
L6006
R
LOW LIMIT
CONTROLLER
W
B
L7248L
SENSOR
ZR
L1
LINE
VOLTAGE
L2
CIRCULATOR
C2
B2
LINE
C1
VOLTAGE
OIL BURNER
B1
RELAY
ZC
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
CONTROL CASE MUST BE CONNECTED TO EARTH GROUND.
USE GROUNDING SCREW PROVIDED.
Fig. 13. L7248L External Low Limit connections.
ELL=ON
LOW
VOLTAGE
2
THERMOSTAT
T
T 3
2
1
Waste Warning
The product should not be disposed of with other
household waste. Check for the nearest authorized
collection centers or authorized recyclers. The correct
disposal of end-of-life equipment will help prevent
potential negative consequences for the environment
and human health.
®
CONTROLLERS
M27113