White Rodgers 756-50 - Manual
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Table of Contents:
- Page 2 – SETTING THE DIAL; Wiring; INSTALLATION; Through
- Page 3 – DESCRIPTION; Commande pour chauffe-eau électrique; INSTRUCTIONS D’INSTALLATION; AVERTISSEMENT
- Page 4 – RÉGLAGE DU CADRAN; Branchements; électriques locaux et nationaux.
- Page 5 – DESCRIPCION; Control del Calentador de Agua Eléctrico; INSTRUCCIONES DE INSTALACION; CAPACIDADES ELECTRICAS DE CA; Capacidades de Temperaturas:; ADVERTENCIA
- Page 6 – AJUSTE DEL DIAL; Cableado; eléctricos nacionales y locales.; INSTALACION
To prevent electrical shock and/or equipment
damage, disconnect electric power to system at
main fuse or circuit breaker box until installation
is complete.
Label all wires prior to disconnection when ser-
vicing controls. Wiring errors can cause improper
and dangerous operation.
Following installation or replacement, follow
appliance manufacturers’ recommended instal-
lation/service instructions to insure proper op-
eration.
PART NO. 37-5785A
9714
Printed in U.S.A.
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
WHITE-RODGERS
756-50
Electric Water Heater Control
INSTALLATION INSTRUCTIONS
This control is a dual-function control having a tempera-
ture regulating control in series with a high-limit control.
The temperature control is a SPDT switch which opens on
a rise in temperature and will control one or two heating
elements.
Operator: Save these instructions for future use!
PRECAUTIONS
THIS CONTROL MUST BE INSTALLED BY A QUALI-
FIED INSTALLER.
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 re-calibrate this control will void the White-
Rodgers warranty.
Do not use on circuits exceeding specified volt-
ages. Higher voltages will damage control and
could cause shock or fire hazard.
If in doubt about whether your wiring is millivolt,
low or line voltage, have it inspected by a quali-
fied heating and air conditioning contractor or a
licensed electrician.
CAUTION
!
The limit control is a normally closed DPST switch which
opens on a rise in temperature to limit the maximum
allowable temperature. It has manual reset.
Both switches are calibrated to meet the requirements for
typical residential type storage tank water heaters.
WARNING
!
SPECIFICATIONS
AC ELECTRICAL RATINGS
UL and CSA recognized for resistive loads.
Temperature Ratings:
Temperature control - Variable 90
°
to 150
°
F (32
°
to
66
°
C)
Limit control - Fixed 170
°
F (77
°
C) with manual reset
Temp Control
Voltage
Limit Control
30 amps
120-250 VAC
40 amps
25 amps
277 VAC
40 amps
12.5 amps
480 VAC
25 amps
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
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Summary
SETTING THE DIAL Wiring All wiring must conform to local and national electrical codes and ordinances. Connect in accordance with wiring diagrams provided by the equipment manufacturer. If none are provided,the following represents a typical installation. Adjust temperature setting by inserting a sc...
La commande de limite est un interrupteur bipolaireunidirectionnel normalement fermé qui s’ouvre quand latempérature monte pour limiter la température maximalepermise. Il est réarmé manuellement. Les deux interrupteurs sont étalonnés pour répondre auxbesoins des chauffe-eau à ballon résidentiels typ...
RÉGLAGE DU CADRAN Branchements Tous les branchements doivent être conformes aux codes et règlements électriques locaux et nationaux. Brancher selon les schémas fournis par le fabricant de l’équipement. Si aucun n’est fourni, les schémassuivants représentent une installation typique. Adjustment Slot ...
