The Honeywell W8665A is a versatile and efficient thermostat designed to provide comfort and energy savings in your home. To make the most of its features, you can easily access the comprehensive user manual for free download at manualshive.com. This manual offers step-by-step instructions and valuable tips to optimize your experience with the W8665A.
W8665A,E RF RECEIVER MODULE
5
69-1630-1
Fig. 6. Single-zone hot water heat with cooling using an L8124 or L8148 Aquastat, an R8222 relay and a
transformer.
M20683
FACTORY INSTALLED JUMPER.
COOLING
CONTACTOR
1
W8665A
R8222
W
Y
G
R C RZ
1
BURNER
LINE VOLTAGE
CIRCULATOR
C2
C1
B2
B1
2
1
G
T
C
R
T (TV)
L8124/L8148
FAN
RELAY
L2
L1
