Honeywell Round T8775A Installation Instructions Manual
The digital non-programmable thermostats
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Also See for Round T8775A:
- Owner's manual (16 pages) ,
- Installation instructions manual (13 pages) ,
- Installation manual (13 pages)
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The T8775A,C Thermostats provide single-stage
temperature control for 24V systems. The
T8775A,C models include a thermostat, wallplate
(for wiring and mounting thermostat), mounting
screws, wall anchors, and a 4074 FAB resistor.
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.
Contact your local waste management
authority for instructions regarding
recycling and the proper disposal of an old
control containing mercury in a sealed
tube.
INSTALLATION
When Installing this Product...
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.
3. Installer must be a trained, experienced ser-
vice technician.
4. After installation is complete, check out prod-
uct operation as provided in these instruc-
tions.
CAUTION
Electrical Shock or Equipment Damage
Hazard.
Can shock individuals or short
equipment circuitry.
Disconnect power supply before
installation.
® U.S. Registered Trademark • Patents Pending
© 2004 Honeywell International Inc.
All Rights Reserved
Non-Programmable Thermostats
The Digital Round
INSTALLATION INSTRUCTIONS
Location
Install the thermostat about 5 ft (1.5m) above the
floor in an area with good air circulation at average
temperature. Do not install the thermostat where it
can be affected by:
— drafts or dead spots behind doors and in
corners.
— hot or cold air from ducts.
— radiant heat from the sun or appliances.
— concealed pipes and chimneys.
— unheated (uncooled) areas such as an outside
wall behind the thermostat.
Mounting Wallplate to Wall
Mount the T8775A,C wallplate, with the screws
provided. See Fig. 1.
WALL ANCHORS (2)
WALL PLATE
1 INCH SCREW (2)
1 WHEN USING WALL ANCHORS, DRILL 3/16 IN. HOLES
FOR DRYWALL, 7/32 IN. HOLES FOR PLASTER.
Fig. 1. Mounting wallplate to wall.
T8775A,C
1
WIRING HOLE
M19499
69-1677EF—1
™
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Table of Contents
Related Manuals for Honeywell Round T8775A
Summary of Contents for Honeywell Round T8775A
- Page 1 Contact your local waste management Mounting Wallplate to Wall authority for instructions regarding recycling and the proper disposal of an old Mount the T8775A,C wallplate, with the screws control containing mercury in a sealed provided. See Fig. 1. tube. INSTALLATION WALL ANCHORS (2) When Installing this Product…...
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Page 2: Wiring
VALVE COIL POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M19513 COMPRESSOR CONTACTOR Fig. 2. Typical hookup of T8775A in a heat-only system. HEATING RELAY OR RELAY VALVE COIL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. -
Page 3: Customize Thermostat
T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS CUSTOMIZE THERMOSTAT Table 1. Heat Cycle Rate. Cycles Switch Switch Setting Fuel Switch (T8775C only) Heating System Hour Steam, Gravity The fuel switch is preset at the factory in the F position. See Fig. 7. This is the correct setting for gas High Efficiency Warm Air or oil systems. -
Page 4: Checkout
T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS (T8775C ONLY) SELECTS (T8775C ONLY) ON/AUTO SELECTS COOL/OFF/HEAT ROOM SHOWS THAT THE CURRENT ROOM TEMPERATURE IS DISPLAYED. SHOWS THAT THE CURRENT TEMPERATURE SETPOINT IS DISPLAYED. DISPLAYS ROOM OR SET TEMPERATURE DISPLAYS AND ADJUSTS TEMPERATURE SETPOINT/TURNS... -
Page 5: Installation
™ The Digital Round T8775A, C NOTICE D'INSTALLATION Les thermostats T8775A et C assurent la MISE EN GARDE régulation de la température dans les systèmes 24 V à un étage. Ils comprennent un thermostat, une plaque de commutation (pour le câblage et le Risque de choc électrique ou de... -
Page 6: Câblage
THERMOSTATS RONDS NUMÉRIQUES, NON PROGRAMMABLES THE DIGITAL ROUND™ T8775A,C CHEVILLES D'ANCRAGE (2) PLAQUE DE COMMUTATION RELAIS DE CHAUFFAGE OU BOBINE DE VANNE RELAIS DU VENTILATEUR TROU DE CÂBLAGE VIS 1 PO (2) DANS LE CAS D'UNE INSTALLATION AVEC CHEVILLES D'ANCRAGE, PERCER DES TROUS 1 ALIMENTATION. -
Page 7: Fonction
THERMOSTATS RONDS NUMÉRIQUES, NON PROGRAMMABLES THE DIGITAL ROUND™ T8775A,C RÉGLAGE DU THERMOSTAT EN FONCTION DE L'APPLICATION Réglage du sélecteur de type d'énergie (T8775C seulement). CONTACTEUR DU COMPRESSEUR Le sélecteur de type d'énergie est réglé en usine à la position F. Voir la Fig. 7. C'est le bon réglage... - Page 8 THERMOSTATS RONDS NUMÉRIQUES, NON PROGRAMMABLES THE DIGITAL ROUND™ T8775A,C Tableau 2. Affichage de la température. Affichage en Celsius ou Fahrenheit Microrupteur 3 Fahrenheit (réglé en usine) Celsius Montage du thermostat sur une plaque de commutation RENTRER LES PATTES DE LA MICRORUPTEURS PARTIE INFÉRIEURE DU...
- Page 9 THERMOSTATS RONDS NUMÉRIQUES, NON PROGRAMMABLES THE DIGITAL ROUND™ T8775A,C (T8775C SEULEMENT) (T8775C SEULEMENT) SÉLECTION DE SÉLECTION DE ON OU AUTO COOL, OFF OU HEAT ROOM INDIQUE QUE LA TEMPÉRATURE AMBIANTE ACTUELLE EST AFFICHÉE. INDIQUE QUE LE POINT DE CONSIGNE ACTUEL DE LA TEMPÉRATURE...
- Page 10 THERMOSTATS RONDS NUMÉRIQUES, NON PROGRAMMABLES THE DIGITAL ROUND™ T8775A,C Ventilateur 3. Au bout de cinq minutes environ, un flocon de neige apparaîtra sur le thermostat. Le 1. Déplacer le sélecteur du système à Off et le système de refroidissement devrait se mettre sélecteur du ventilateur à...
- Page 11 69-1677EF—1...
- Page 12 Solutions de régulation et d'automatisation Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35, Dynamic Drive Golden Valley, MN 55422 Scarborough (Ontario) M1V 4Z9 69-1677EF—1 J.S. Rév. 6-04 Imprimè au Hungary www.honeywell.com/yourhome...