Honeywell T8401C Скачать руководство пользователя страница 8

T8400C, T8401C AND T8424C,D ELECTRONIC THERMOSTATS

68-0180-3

8

Mounting Thermostat to Wallplate

1.

Engage the tabs at the top of the thermostat and wallplate.

2.

Swing down the thermostat and press the lower edge of 

the thermostat onto the wallplate to latch. See Fig. 10.

Fig. 15. Mounting T8400 or T8401 thermostat to wallplate.

Fig. 16. Mounting T8424 thermostat to wallplate.

SETTINGS AND ADJUSTMENTS

Setting Fan and System Switches

Fan and system settings are controlled manually using the 

switches located at the bottom of the thermostat case. See 
Fig. 17 or 18.

Fig. 17. T8400 and T8401 temperature 

display and system switches.

Fig. 18. T8424 temperature display and system switches.

Fan Switch

Fan switch settings are:

ON: The fan runs continuously. Use for 

improved air circulation.

AUTO: Normal setting for most homes. In 
cooling, the fan starts and stops with the 

cooling equipment. In heating, the fan is 

controlled directly by the heating 
equipment and may start a few minutes 

after the heating equipment turns on (on 

M11025B

FAN

SYSTEM

Auto On

Cool Off Heat

DASHED LINES INDICATE TABS 
ON BACK OF THERMOSTAT

FAN

SYSTEM

Auto 

Cool Off Heat

ENGAGE TABS AT TOP 
OF THERMOSTAT WITH 
SLOTS ON WALLPLATE.

A

B

PRESS LOWER EDGE OF 
CASE TO LATCH.

Set

Room  

Set

Room  

M14677

SYSTEM

Cool  Off  Heat 

Auto  O

n

FAN

DASHED LINES INDICATE TABS
ON BACK OF THERMOSTAT

SYSTEM

Cool  O

ff  H

eat

Auto  On

FAN

ENGAGE TABS  AT TOP  OF THERMOSTAT
WITH SLOTS ON MOUNTING PLATE.

PRESS LOWER EDGE OF 
CASE TO  LATCH.

A

B

FAN

SYSTEM

Auto On

Cool Off Heat

INCREASE
SETTING

DECREASE
SETTING

SYSTEM SWITCH

FAN SWITCH

TEMPERATURE DISPLAY

M11020A

Set

Room  

SYSTEM

Cool  Off  Heat

Auto  On

FAN

M14678

TEMPERATURE DISPLAY

INCREASE SETTING

DECREASE SETTING

FAN SWITCH

SYSTEM SWITCH

Содержание T8401C

Страница 1: ...ns Keys are located for easy access Fan and system switches are located on the lower edge to eliminate accidental setting changes Easy installation setup and self test saves time and increases installer productivity Manual changeover from heat to cool eliminates unexpected system operation F or C temperature display for added model flexibility Selectable heating cycle rate 1 3 4 5 6 or 9 12 cph fo...

Страница 2: ...ner s guide Power T8400C 24 Vac nominal 18 to 30 Vac 50 60 Hz T8401C 24 Vac nominal 18 to 30 Vac 50 60 Hz T8424C D 24 Vac nominal 18 to 30 Vac 50 60 Hz Electrical Ratings Heating 02 to 1 5A run 3 5A inrush Cooling 02 to 1 5A run 7 5A inrush Fan 02 to 0 5A run 2 5A inrush Current Draw T8400C Power Stealing Thermostat requires less than 0 25 mA current draw when the thermostat calls for heat and is ...

Страница 3: ...TION Disconnect power supply before beginning wiring to prevent electrical shock or equipment damage MERCURY NOTICE If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Dispose of it properly Contact your local waste management authority for instructions regarding recycling and the proper disposal of the control If you have questi...

Страница 4: ...nd mount ing thermostat and two decorator cover plates for covering wall marks Mount decorator cover plate SUPER TRADELINE model only wallplate T8400C T8401C or T8424C D and the screws provided see Fig 4 or 5 as follows 1 Place the desired decorator cover plate and the wall plate at the desired location on the wall 2 Pull the thermostat wire through the entrance hole on the decorator cover plate t...

Страница 5: ...ng to shaded area The shape of the terminals permits insertion of straight or wraparound wiring connections either method is acceptable See Fig 8 or 9 Fig 8 T8400 and T8401 wiring connections M12202A WALL WALL ANCHORS 2 WALLPLATE WHEN USING WALL ANCHORS DRILL 3 16 INCH HOLES FOR DRYWALL 7 32 INCH HOLES FOR PLASTER OR WOOD MOUNTING SCREWS 2 1 1 M11023 ALTERNATE MOUNTING SCREW HOLE MOUNTING SCREW HO...

Страница 6: ...mer Fig 12 T8424C D two stage heat and two stage cool system with manual changeover wiring diagram TERMINAL SCREW M20212 G R C Y W1 B O FOR STRAIGHT INSERTION STRIP 5 16 IN 8 MM FOR WRAPAROUND STRIP 7 16 IN 11 MM Y2 W2 L1 HOT L2 1 2 1 2 W Y G R C COOLING CONTACTOR FAN RELAY HEATING PRIMARY CONTROL 24V POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED IN T8401C INSTALLATIONS...

Страница 7: ...TALLATIONS CONNECT C TERMINAL 4 4 4 4 4 ZONE 1 VALVE OR DAMPER MOTOR ZONE 2 VALVE OR DAMPER MOTOR ZONE 3 VALVE OR DAMPER MOTOR ZONE 4 VALVE OR DAMPER MOTOR M10285A C C C 24V GND 24V S8610 L1 HOT L2 1 1 2 3 4 5 L8148E1265 4 2 3 3 FUSE 5 1 2 5 6 PRONG FEMALE MOLEX RECEPTABLE IN L8148E AND 5 PRONG MALE MOLEX PLUG ON CABLE 1K1 B1 B2 L1 C1 C2 L2 CIRCULATOR POLARIZED 4 PRONG MALE MOLEX PLUG AND 4 PRONG ...

Страница 8: ...air circulation AUTO Normal setting for most homes In cooling the fan starts and stops with the cooling equipment In heating the fan is controlled directly by the heating equipment and may start a few minutes after the heating equipment turns on on M11025B FAN SYSTEM Auto On Cool Off Heat DASHED LINES INDICATE TABS ON BACK OF THERMOSTAT FAN SYSTEM Auto Cool Off Heat ENGAGE TABS AT TOP OF THERMOSTA...

Страница 9: ...OTE To save changes to the F C indication and the heat cycle rate all seven steps must be completed To set the F C indication and heat cycle rate 1 If the room temperature is displayed in F set the temperature setpoint to 52 F If the room temperature is dis played in C set the temperature setpoint to 11 C 2 Press the and keys simulta neously for more than one second to light all segments on displa...

Страница 10: ... plus integral control maintains the same indoor temperature independent of the outdoor temperature Thus the T8400C and T8401C Thermostats provide tight temperature control with virtually no noticeable swings in temperature setpoint a condition referred to as droop This zero droop performance provides improved occupancy comfort Occupants do not need to continually adjust thermostat settings to be ...

Страница 11: ...ps in the Operation section for typical energy savings Sequence of Operations The Fan Heat and Cool outputs are relay or mosfet controlled A loss of ac power or a change in the SYSTEM switch setting can cause the outputs to turn off The truth table shows the sequence of operations for the FAN settings and SYSTEM modes See Table 3 Sequence of Operations L1 HOT L2 1 1 POWER SUPPLY PROVIDE DISCONNECT...

Страница 12: ...at and the fan switch to Auto 2 Press and hold the key to raise the temperature set ting several degrees above the room temperature After approximately ten seconds the W terminal is energized and the heating equipment starts 3 Press the key to lower the temperature setting below the room temperature Heating equipment should stop Cooling CAUTION Low Temperature Hazard Operating at too low of an out...

Страница 13: ...NS HEATING OR COOLING EQUIPMENT INOPERATIVE REPLACE THERMOSTAT PARTIAL DISPLAY INOPERATIVE THERMOSTAT SEE THE SETTINGS AND ADJUSTMENTS SECTION FOR INSTRUCTIONS ON INSTALLER SETUP MODE STILL IN INSTALLER SETUP MODE RECONFIGURE THE DISPLAY SEE SETTINGS AND ADJUSTMENTS SECTION TEMPERATURE DISPLAY IS INCORRECT THERMOSTAT IS CONFIGURED FOR F OR C DISPLAY CHECK THAT C TERMINAL IS CONNECTED TO THE SYSTEM...

Страница 14: ...68 0180 3 14 ...

Страница 15: ...15 68 0180 3 ...

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