Honeywell Thermostat V8043 User Manual

V4043, V8043 SWEAT COPPER CONNECTION MODELS  
5
6
V8043A,E,F 5000 Series  
3-1/2 (89)  
1
ZONE VALVES  
1-3/4  
(44)  
1-3/4  
(44)  
7/8 DIA.  
(22)  
2-3/8  
(60)  
APPLICATION  
8
5-1/4  
(133)  
These valves consist of a motorized  
actuator and valve assembly for controlling  
the flow of hot water to a heat exchanger  
such as a radiator, convector, finned  
baseboard radiator, or infloor radiant coil  
for space temperature control. The V8043  
5000 series valves provide two-position,  
straight through control of supply water at  
up to 300 psi operating pressure.  
1-1/2  
(38)  
3/8  
(10)  
MAN OPEN  
AUTO  
1
2
HEIGHT NEEDED TO REMOVE COVER.  
DIMENSIONS FOR 1/2 IN. COPPER TUBING.  
DIMENSIONS FOR 3/4 IN COPPER TUBING.  
DIMENSIONS FOR 1 IN. COPPER TUBING.  
A
B
OUT  
IN  
7
3
4
15/32  
(12)  
1-5/16  
(33)  
2
Quick Fit actuator provides easy snap on and  
off connection to the valve assembly.  
4-7/8 IN. (124) MAX ON V8034F WITH TERMINAL  
BOARD ENCLOSURE.  
2-5/8  
(66)  
5
6
1-3/8  
(35)  
V4034B AND V8043B VALVES THAT ARE  
NORMALLY OPEN IN THE DE-ENERGIZED  
POSITION HAVE NO MANUAL LEVER.  
3
Patent Pending  
2-3/4  
(70)  
SPECIFICATION  
REFER TO MOUNTING INSTRUCTIONS.  
7
1-11/16  
(43)  
4
Actuator Materials:  
Actuator Electrical Rating:  
24Vac 60 Hz, 0.30 A Current Draw,  
5 W, 7.2 VA maximum  
OPENING FOR 1/2 IN. CONDUIT ON MANUAL  
LEVER SIDE FOR V4043, V8043.  
8
3-3/8  
(86)  
Case:galvanized steel.  
Cover : zinc plated steel.  
Sector gear: Brass  
M10175.A4  
Electrical Connection:  
Fig. 1 - Mounting Dimensions in in. (mm in Brackets)  
Valve Material:  
18” leads or screw terminal board  
Auxiliary Switch Rating:  
120V, 4.4A running, 26.4A Inrush (60 Hz);  
50 VA Pilot duty at 24 V.  
Fluid Temperature:  
Standard models (class F motor):  
200° F (93° C) Max.  
Ambient Temperature:  
125°F (52° C) Max.  
Humidity Limits:  
95% Relative Humidity, Non-condensing  
Shipping and Storage Temperature:  
-40°F to 150°F (-40°C to 65°C).  
Atmosphere:  
Non-corrosive, non explosive.  
Maximum Soldering Temperature:  
500°F (260°C). Rubber ball plug must be  
moved away from the seat for soldering.  
Maximum System Pressure Rating:  
300 psi (2000 kPa), PN20.  
Flow Characteristics:  
Body of forged brass; drive shaft stem of  
stainless steel; ball plug of Buna-N rubber;  
o-ring seals of EPDM rubber.  
CAUTION  
3. Installer must be a trained, experienced  
service technician.  
4. After installation is complete, check out  
product operation as provided in these  
instructions.  
1. Disconnect power supply before  
connecting wiring to prevent electrical  
shock or equipment damage.  
Service Medium:  
Suitable for glycol/water mix up to 50:50  
use in closed hydronic systems. Not for  
use with oxygenated water, potable water  
or steam.  
Use this valve in hydronic systems which  
do not contain dissolved oxygen in the  
system water. The dissolved oxygen,  
which is found in systems that have a  
frequent source of make-up water, causes  
the rubber plug inside the valve to  
2. Normally it is not necessary to remove  
the actuator from the valve body during  
installation. If the valve must be  
disassembled, be certain that it is  
reassembled with the water flow in the  
direction of the arrow. Reversal of the  
actuator results in damage to the gear  
train.  
3. On 24V systems, never jumper the  
valve coil terminals even temporarily.  
This can burn out the heat anticipator in  
the thermostat.  
Location  
Install the valve in an area with adequate  
clearance to:  
- Move the manual opening lever on the  
side of the actuator  
- Remove the actuator cover  
- Wire the actuator  
- Replace the actuator motor  
deteriorate and eventually fail.  
Approvals:  
CSA C/US Certified to Canadian Standards  
Association and Underwriter's Laboratories  
Standards.  
The valve location should be in an area  
where the temperature does not exceed the  
maximum valve operating ambient  
INSTALLATION  
temperature and fluid temperatuare.  
When Installing this Product…  
Manual Lever  
MODELS  
1. Read these instructions carefully. Failure  
to follow them could damage the product  
or cause a hazardous condition.  
2. Check the ratings given in the  
instructions and on the product to make  
sure the product is suitable for your  
application.  
The V8043 normally closed valves can be  
opened manually by moving the manual lever  
slowly and firmly to the MAN. OPEN position  
and pushing up to the stop. The stop permits  
the valve to be locked in the open position.  
The valve returns to automatic position when  
it is energized.  
Quick opening for on-off application.  
Slow return for water hammer resist.  
Maximum Close-off Rating (@ Flow  
Capacity Rating) :  
20 psi (@ 3.5 Cv)  
8 psi (@ 8 Cv)  
V8043 (Straight through, Normally Closed)  
V8043A: Leadwires  
V8043E: Leadwires and End Switch  
V8043F: Terminal Board and End Switch  
2
Form No. 95C-10932  
1
2004.09 Printed in Canada  
 
CONNECTIONS FOR V8043E  
(LEADWIRE MODEL)  
T822  
T822  
T822  
T822  
T822  
T822  
ZONE V8043E  
ZONE 3  
ZONE 4  
ZONE 1  
ZONE 2  
L1  
(HOT)  
L2  
END SWITCH  
END SWITCH  
END SWITCH  
END SWITCH  
L1  
(HOT)  
L2  
TO  
V8043F  
V8043F  
V8043F  
V8043F  
1
CIRCULATOR  
CONTROL  
CIRCUIT  
1
RED  
RED  
2
2
2
2
2
2
B
B
R
TH-TR  
TH  
TH-TR TH  
ZONE 2  
TH-TR TH  
ZONE 3  
TH-TR  
TH  
TR  
TR  
TR  
TR  
ZONE 4  
ZONE 1  
V8043E  
3
V8043E  
3
V8043E  
3
V8043E  
3
V8043E  
3
V8043E  
3
B
B
B
R
B
B
R
B
YELLOW  
W
B
R
B
R
YELLOW  
BR  
INTEGRAL  
TRANSFORMER  
W775A PANEL  
HIGH  
LIMIT  
L4006A  
L1  
(HOT)  
W
W
W
W
POWER  
SUPPLY  
L2  
BR  
BR  
BR  
BR  
TO OIL PRIMARY  
CONTROL OR TO  
TRANSFORMER  
AND LOW VOLTAGE  
GAS VALVE  
W775A PANEL  
B1  
B2  
T
T
TO BURNER  
CONTROL  
CIRCUIT  
T87F  
T87F  
T87F  
T87F  
1
2
M5980  
Fig. 13 - Typical 4-zone system. Use an additional W775A to power up to four more zone valves.  
CIRCULATOR  
C1 C2  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD  
PROTECTION AS REQUIRED.  
TO BURNER  
AND / OR  
CIRCULATOR  
CIRCUIT  
ZONE 4  
2
3
ZONE 2  
ZONE 5  
CONNECT V8043E YELLOW LEADWIRE TO THERMOSTAT.  
CONNECT V8043E RED LEADWIRES TO L1 (HOT) LINE AND  
ZONE 1  
ZONE 3  
T87F  
T87F  
T87F  
T87F  
T87F  
PRIMARY CONTROL.  
M10169  
CIRCULATOR  
Fig. 9 - T822, V8043E zone hookup for gas or oil. No domestic hot  
water.  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD  
PROTECTION AS REQUIRED.  
V8043F  
V8043F  
END SWITCH  
V8043F  
END SWITCH  
V8043E  
V8043E  
END SWITCH  
YELLOW  
YELLOW  
2
3
CONNECT V8043E YELLOW LEADWIRE TO THERMOSTAT.  
YELLOW  
RED  
YELLOW  
RED  
CONNECT V8043E RED LEADWIRES TO AQUASTAT®.  
M10170  
RED  
RED  
Fig. 10 - T822, V8043E zone hookup for gas or oil with or ithout  
domestic hot water. Without domestic hot water, use L8148J for  
gas, and L8148A for oil. With domestic hot water, use L8124E for  
gas, and L8124A or C for oil.  
TH-TR  
TH-TR  
TH-TR  
TH  
TH  
TH  
TR  
TR  
TR  
L1  
(HOT)  
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
1
L2  
1
V4044, V8044  
VALVE OPERATOR  
HEATING  
COOLING  
THERMOSTAT  
AT87A  
TRANSFORMER  
ZONE 1  
T87F  
ZONE 2  
T87F  
ZONE 3  
T87F  
M10164  
NOTE: IF CODE PERMITS, V8043E AND V8043F CAN BE USED INTERCHANGEABLY WHEN WIRED AS SHOWN.  
RED  
V8043F  
END SWITCH  
V8043F  
END SWITCH  
V8043F  
END SWITCH  
Fig. 14 - Typical 5-zone system. Use an AT87A Transformer to power up to five more zone valves.  
1
BLUE  
TO  
POWER  
ADD  
JUMPER  
TO EACH  
VALVE  
YELLOW  
V8043E  
C
TH-TR  
TH  
TR  
TH-TR  
YELLOW  
TH  
TR  
TH-TR  
1
TH  
TR  
MOTOR  
THERMOSTAT  
L1  
(HOT)  
TACO VALVE  
1
L1  
(HOT)  
A
B
A
B
YELLOW  
L2  
L1  
(HOT)  
AQUASTAT® CHANGEOVER CONTROL SWITCHES TO HEATING (RED)  
AT FLUID TEMPERATURE OF 85°F (29°C) MAX TO COOLING (BLUE) AT  
FLUID TEMPERATURE OF 60°F (18°C) MIN.  
1
T
Z
2
1
120 V  
POWER  
SUPPLY  
TV  
1
2
3
L2  
THERMOSTAT  
L8124G  
C
L2  
M10171  
D
E
RED  
RED  
C1  
B1  
B2  
C2  
TO  
AUXILIARY  
CIRCUITS  
D
E
TO AUXILIARY  
CIRCUITS  
TO  
CIRCULATOR  
TO BURNER  
CIRCUIT  
M5954  
Fig. 11 - Wiring diagram for V4244 and V8244 with Aquastat®  
changeover control.  
Fig. 12 - Typical 3-zone system. Use an AT87A Transformer  
to power up to five more zone valves.  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
M5958  
M10163  
Fig. 15 - ExistingTaco system. (Wires are identified with  
letters to correspond with wires in Fig. 16 and 17.)  
Fig. 16 - Wiring Honeywell V8043E toTaco System (Wires are  
identified with letters to correspond with wires in Fig. 15.)  
5
6
 
V8043F  
V8043F  
V8043F  
V8043F  
END SWITCH  
END SWITCH  
END SWITCH  
F
E
D
E
END SWITCH  
F
E
TO  
AUXILIARY  
CIRCUITS  
TO TERMINALS  
T, T ON  
BURNER RELAY  
1
1
TO TERMINALS  
T, T ON  
BURNER RELAY  
TO AUXILIARY  
CIRCUITS  
1
2
L1  
(HOT)  
A
L1  
(HOT)  
C
A
L1  
(HOT)  
A
L1  
L2  
(HOT)  
1
L2  
B
L2  
B
TH-TR  
TH  
TR  
D
L2  
TH-TR  
TH  
TR  
D
TH-TR  
TH  
TR  
B
TR  
TH  
TH-TR  
C
C
6
5
THERMOSTAT  
V8043F  
THERMOSTAT  
V8043F  
4
THERMOSTAT  
END SWITCH  
THERMOSTAT  
V8043F  
3
END SWITCH  
END SWITCH  
F
E
F
E
TO TERMINALS  
T, T ON  
BURNER RELAY  
END SWITCH  
1
TO TERMINALS  
T, T ON  
BURNER RELAY  
TO AUXILIARY  
CIRCUITS  
1
D
E
2
L1  
(HOT)  
TO  
AUXILIARY  
CIRCUITS  
A
L1  
(HOT)  
1
A
L1  
(HOT)  
C
A
L1  
(HOT)  
L2  
L2  
B
1
B
TH-TR  
TH  
TR  
D
TH-TR  
TH  
TR  
D
L2  
L2  
TR  
TH  
TH-TR  
TH-TR  
TH  
TR  
B
C
C
1
2
3
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
THERMOSTAT  
THERMOSTAT  
IF TRANSFORMER SUPPLIES POWER TO AUXILIARY CIRCUIT,  
WIRE AUXILIARY CIRCUIT AS SHOWN IN LOWER DIAGRAM.  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
THERMOSTAT  
M5966  
M5966  
TAPE UNUSED END AND TUCK INTO HOLE.  
M5713  
Fig. 23 - Wiring Honeywell V8043F to Flair System (two options).  
(Wires are identified with lettersto correspond with wires in Fig. 21.)  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
Fig.20 -.Wiring Honeywell V8043F to Dole System (two options).  
(Wires are identified with letters to correspond with wires in Fig. 18.)  
Fig. 26 - Wiring Honeywell V8043F to White-Rodgers System  
(one option).  
M5960  
WHITE-RODGERS  
TO AUXILIARY  
1311 OR 1321  
VALVE  
WATER VALVE  
THERMOSTAT  
CIRCUIT  
Fig. 17 - Wiring Honeywell V8043F to Taco System (two options).  
(Wires are identified with letters to correspond with wires in Fig. 15.)  
FLAIR VALVE  
E
TO TERMINALS  
T, T ON  
BURNER RELAY  
1
3
6
4
3
2
1
5
6
1
L1  
(HOT)  
A
B
F
L1  
4
2
DOLE VALVE  
(HOT)  
5
L2  
L2  
A
1
4
V8043F  
2
4
3
1
1
L1  
END SWITCH  
TO  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD  
PROTECTION AS REQUIRED.  
(HOT)  
5
C
B
D
2
AUXILIARY  
CIRCUIT  
L2  
M5711  
Fig. 24 - Existing White-Rodgers System.  
D
L1  
(HOT)  
L2  
C
THERMOSTAT  
E
1
1
F
L1  
(HOT)  
TH  
TR  
TH-TR  
TO TERMINALS  
T, T ON  
BURNER RELAY  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
L2  
THERMOSTAT  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
6
5
M5977  
5
6
YELLOW  
M5978  
4
Fig. 18 - Existing Dole System. (Wires are identified with letters to  
correspond with wires in Fig. 19 and 20.)  
3
YELLOW  
RED  
4
3
Fig. 21 - Existing Flair System. (Wires are identified with  
letters to correspond with wires in Fig. 22 and 23.)  
THERMOSTAT  
END SWITCH  
THERMOSTAT  
RED  
V8043E  
TO  
A
AUXILIARY  
CIRCUIT  
2
V8043E  
YELLOW  
1
A
TO AUXILIARY  
CIRCUIT  
L1  
(HOT)  
YELLOW  
2
1
L1  
C
B
D
L1  
(HOT)  
TO  
AUXILIARY  
CIRCUIT  
(HOT)  
L2  
1
YELLOW  
L2  
C
B
D
1
YELLOW  
YELLOW  
L2  
THERMOSTAT  
L1  
(HOT)  
TO 6 ON  
THERMOSTAT  
E
F
RED  
RED  
1
2
3
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
RED  
RED  
THERMOSTAT  
TO TERMINALS  
T, T ON  
L2  
E
F
RED  
RED  
TO TERMINALS  
T, T ON  
IF TRANSFORMER SUPPLIES POWER TO AUXILIARY CIRCUIT,  
WIRE AUXILIARY CIRCUIT AS SHOWN IN LOWER DIAGRAM.  
BURNER RELAY  
BURNER RELAY  
1
2
3
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
TAPE UNUSED END AND TUCK INTO HOLE.  
M5714  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
IF TRANSFORMER SUPPLIES POWER TO AUXILIARY CIRCUIT,  
WIRE AUXILIARY CIRCUIT AS SHOWN IN LOWER DIAGRAM.  
M5965  
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
Fig. 27 - Wiring Honeywell V8043F to White-Rodgers System  
(alternate option).  
M5965  
TAPE UNUSED END AND TUCK INTO HOLE.  
M5712  
Fig. 19 - Wiring Honeywell V8043E to Dole System. (Wires are  
identified with letters to correspond with wires in Fig. 18.)  
Fig. 22 - Wiring Honeywell V8043F to Flair System. (Wires are  
identified with letters to correspond with wires in Fig. 21.)  
Fig. 25 - Wiring Honeywell V8243E to White-Rodgers System.  
8
7
 
OPERATION  
CAUTION  
On 24V systems, never jumper the valve  
A
B
A
B
coil terminals even temporarily. This can  
burn out the heat anticipator in the  
thermostat.  
IN  
IN  
OUT  
OUT  
OPEN POSITION  
A
CLOSED POSITION  
B
M5951  
Automatic Operation  
Fig. 28 - V8043 operation for normally closed valve.  
On a call for heat by the zone thermostat,  
the valve opens and its auxiliary switch  
contacts make, closing the circuit to the  
system circulator. In a multizone system with  
all the valve auxiliary switches wired in  
parallel, any zone calling for heat can operate  
the circulator. When the call for heat ends, the  
valve closes by integral spring return. The  
auxiliary switch contacts break the circulator  
circuit.  
CHECKOUT  
1. Raise the setpoint on the zone  
thermostat above the room  
temperature to initiate a call for heat.  
2. Observe all control devices—the valve  
should open and the auxiliary switch  
should make the circuit to the  
circulator or other valve at the end of  
the opening stroke.  
3. Lower the setpoint on the zone  
thermostat to below the room  
temperature.  
Manual Operation  
The motorized valve can be opened  
manually by lifting the manual opening lever  
over the stop and pushing slowly and firmly to  
the MAN. OPEN position. The stop permits  
the valve to be locked in the open position.  
The valve returns to automatic position when  
the valve is energized.  
4. Observe the control devices. The valve  
should close and the auxiliary  
equipment should stop.  
SERVICE  
Normally Closed Models  
This valve should be serviced by a trained,  
experienced service technician.  
1. If the valve is leaking, drain the system  
and check to see if the O-ring needs  
replacing.  
With the manual opener set to AUTO and  
the actuator energized, the valve is opened  
as shown in Fig. 28A. When the actuator is  
de-energized, a spring-return mechanism  
drives the valve to the closed position as  
shown in Fig. 28B. The valve can also be  
opened with no electrical power by moving  
the manual opening lever over the stop and  
pushing slowly and firmly to the MAN. OPEN  
position. The stop permits the valve to be  
locked in the open position.  
2. If the gear train is damaged, replace  
the entire actuator assembly. See the  
Installation section. If the motor is  
burned out, replace the motor. See  
Replacement Parts list in the  
TRADELINE® Catalog.  
NOTE: Honeywell zone valves are designed  
and tested for silent operation in  
properly designed and installed  
systems; however, water noises can  
occur as a result of excessive water  
velocity or piping noises can occur in  
high temperature (higher than 212°F  
(100°C) systems with insufficient water  
pressure. Valves are designed for  
normal cycling operations. Product life  
will be shortened if energized  
The valve returns to the automatic position  
when the valve is energized.  
Auxiliary switch is not energized when  
the valve is manually opened.  
NOTE: Flow direction arrow is stamped on  
the valve body indicating flow  
direction from Inlet Port A to Outlet  
Port B.  
Automation & Control  
Honeywell  
In Canada  
Honeywell Limited/Limitée  
35 Dynamic Drive  
Toronto, Ontario  
M1V 4Z9  
1985 Douglas Drive North  
Golden Valley  
continuously.  
MN 55422-3992  
9
10  
 

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