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WHITE-RODGERS
Operator: Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
The 278 Temperature Control is included with the 21C02
series Temperature Control kit, designed for residential
installations allowing for a flush wall-mounted thermostat
housing with an external adjustable temperature knob.
The 278 Temperature Control is a remote bulb thermo-
stat with a 12 ft. or 18 ft. capillary length and a 3" x 3/8"
sensing bulb designed to pass through one 90° bend in
1/2" thinwall electrical tubing (EMT). These controls fea-
ture a slow make and break double pole disconnect
switch structure with an "OFF" position which mechani-
cally breaks both sides of the line, a narrow differential
and temperature adjustment shaft.
TYPICAL APPLICATIONS
Floor warming — Radiant floor or ceiling panels
— Heated ceramic tile.
THESE CONROLS MUST BE INSTALLED BY A
QUALIFIED INSTALLER.
If in doubt about whether your wiring is 120 volts or 240
volts 6000 watts max., have it inspected by a qualified
heating contractor, electrician, or someone familiar with
basic electricity and wiring.
Do not exceed the specification ratings.
All wiring must conform to local and national electrical
codes and ordinances.
This control is a precision instrument, and should be
handled carefully. Rough handling or distorting compo-
nents could cause the control to malfunction.
This control has been accurately calibrated at the factory.
Any attempt to calibrate this control will void the White-
Rodgers warranty.
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS RD., ST. LOUIS, MO. 63123
(314) 577-1300, FAX (314) 577-1517
9999 HWY. 48, MARKHAM, ONT. L3P 3J3
(905) 475-4653, FAX (905) 475-4625
278-12 & 278-18
Floor Warming Temperature Control
INSTALLATION INSTRUCTIONS
To prevent electrical shock and/or equipment dam-
age, disconnect electric power to system, at main
fuse or circuit breaker box, until installation is
complete.
Do not use on circuits exceeding specific voltage.
Higher voltage will damage control and could
cause shock or fire hazard.
Do not use on inductive loads. Inductive (motor)
loads will damage control and could cause shock
or fire hazard.
Printed in U.S.A.
DESCRIPTION
PRECAUTIONS
CAUTION
WARNING
PART NO. 37-5553A
Replaces 37-9542A
9546
Publicité
Manuels Connexes pour Emerson White-Rodgers 278-12
Sommaire des Matières pour Emerson White-Rodgers 278-12
- Page 1 Any attempt to calibrate this control will void the White- Rodgers warranty. WHITE-RODGERS DIVISION PART NO. 37-5553A EMERSON ELECTRIC CO. 9797 REAVIS RD., ST. LOUIS, MO. 63123 Replaces 37-9542A Printed in U.S.A. (314) 577-1300, FAX (314) 577-1517 9546 9999 HWY.
- Page 2 SPECIFICATIONS THERMAL DATA ELECTRICAL DATA Electrical Rating: Range: 75°F to 140°F (24°C to 60°C) in 240° arc 120 VAC 25 Amps. 3000 Watts Resistive Load Diff: 1.5°F (1°C) 240 VAC 25 Amps. 6000 Watts Resistive Load Capillary Length: 278-12 – 12 ft., 278-18 – 18 ft. Bulb Size: 3/8"...
- Page 3 WIRING All wiring must conform to local and national electrical codes and ordinances. If the manufacturer of the heating cable recommends a wiring diagram follow such recommendations. If none is offered, connect as shown in Fig. 3. High Limit Total Load Not To Line “HEAT ON”...
- Page 4 3. Now turn the temperature knob to the next higher number and wait until the “Heat On” light goes off. Feel the floor temperature with your hand, if the floor is too hot turn the temperature knob back 1/2 a number and FLOOR WARMING wait until light goes off.
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Page 5: Précautions
La commande a été calibrée avec précision lors de la de chocs électriques et d’incendie. fabrication. Toute tentative de calibrer l’appareil annulera la garantie de White-Rodgers. DIVISION WHITE-RODGERS CONTROLS EMERSON ELECTRIC CO. PIÈCE NO 37-5553A 9797 REAVIS RD., ST. LOUIS, MO. 63123 Imprimé aux É.-U.A. Remplace 37-9542A (314) 577-1300, Télécopieur (314) 577-1517... - Page 6 SPÉCIFICATIONS FICHE ÉLECTRIQUE FICHE THERMIQUE Charges électriques : Plage: 24°C à 60°C (75°F à 140°F) sur un arc de 240°. 120 V C.A., 25 A, 3000 W, charge résistive; Différentiel : 1,5°F (1°C). 240 V C.A., 25 A, 6000 W, charge résistive. Longeur du tube capillaire : 278-12 : 12 pi;...
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Page 7: Montage De La Plaque Murale
CÂBLAGE Tout le câblage doit être conforme aux codes et règlements locaux et nationaux qui régissent les installations électriques. Si le fabricant du câble de chauffage recommande un schéma de câblage, veuillez suivre ces recommandations. Sinon, câblez de la façon illustrée à la figure 3. Limiteur à... - Page 8 3. Tournez maintenant le bouton de réglage à la graduation suivante du cadran et attendez que le voyant de marche s’éteigne. Posez la main sur le plancher : s’il est trop chaud, baissez le réglage du bouton de 1/2 graduation et attendez que le voyant s’éteigne.