Honeywell EASY-TO-SEE TRADELINE T841A Installation Instructions page 3

H1
C1
H1 ANTICIPATOR
C1 ANTICIPATOR
FALL
H2
H2 ANTICIPATOR
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
1
2 REMOVE W1-Y1 JUMPER WHEN HEAT RELAY 1 IS USED.
WHEN L TERMINAL IS CONNECTED TO SYSTEM MONITOR, EM. HEAT LED ALSO INDICATES COMPRESSOR MALFUNCTION.
3
X TERMINAL MUST BE CONNECTED FOR PROPER OPERATION.
4
Fig. 2. Internal schematic and typical wiring diagram for T841A with AUX. HT. and EM. HT. LEDs. Provides heat
or cool changeover relay control and automatic fan in emergency heat mode.
H1/C1
ANTICIPATOR
H1
C1
FALL
H2 ANTICIPATOR
H2
FALL
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 3. Internal schematic and typical wiring diagram for T841B 2-stage heat, 1-stage cool, manual changeover.
FALL
FAN SWITCH
AUTO
ON
SYSTEM
SWITCH
EM. HT.
HEAT
OFF
COOL
FAN SWITCH
AUTO
SYSTEM
SWITCH
HEAT
COOL
EM. HT.
LED (RED)
AUX. HT.
LED (GREEN)
ON
OFF
3
HEAT PUMP THERMOSTAT
CHANGEOVER
RELAY (COOL)
O
L
SYSTEM
3 FAN RELAY
MONITOR
G
R
E
4
EM. HT.
RELAY
X
W2
AUX. HT.
RELAY
B
CHANGEOVER
RELAY (HEAT)
W1
2 JUMPER
HEAT RELAY 1
Y1
COMPRESSOR
CONTACTOR
W1
HEAT RELAY 1
W2
HEAT RELAY 2
B
HEAT CHANGEOVER
VALVE
G
FAN RELAY
R
X
Y1
COMPRESSOR
CONTACTOR
O
COOL CHANGEOVER VALVE
L1
(HOT) L2
1
M1103E
L1
(HOT)
L2
1
M6068A
69-1043-2