White Rodgers 11E79 Bedienungsanleitung

CAUTION

To prevent electrical shock and/or equipment damage,

disconnect electric power system at main fuse or

circuit breaker box until installation is complete.

This control is not intended for use in locations where

it may come in direct contact with water. Suitable

protection must be provided to shield the control from

exposure to water (dripping, spraying, rain, etc.).

Label all wires prior to disconnection when servicing

controls. Wiring errors can cause improper and

dangerous operation.

Following installation or replacement, follow appliance

manufacturers’ recommended installation/service

instructions to insure proper operation.

Do not exceed speciﬁed voltage of circuits. Higher

voltage will damage control and could cause shock or

ﬁre hazard.

CAUTION

Application of this type of control may cause ﬂame

rollout on initial startup and could cause personal

injury and/or property damage.

Replace only with exact model number, including

dash number. Failure to use exact replacement control

could cause personal injury and/or property damage.

WARNING

Do not short out terminals on gas valve or primary

control to test. Short or incorrect wiring will damage

the comfort control and could cause personal injury

and/or property damage.

11E79

INTEGRATED WATER

HEATER CONTROL

INSTALLATION INSTRUCTIONS

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE

INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL

INJURY AND/OR PROPERTY DAMAGE.

PRECAUTIONS

DESCRIPTION

FIRE, SHOCK AND EXPLOSION HAZARDS

• Shutoffmaingastoapplianceforserviceoruntil

installation is complete.

• Disconnectelectricpowerbeforeservicing.

• Donotexceedthespeciedvoltage.

• Replacethiscontrolwithonlytheexactmodelnum-

ber listed above.

• Protectthecontrolfromdirectcontactwithwater

(dripping, spraying, rain, etc.)

• Ifthecontrolhasbeenindirectcontactwithwater,

replace the control.

• Labelallwiresbeforedisconnectionwhenservic-

ing controls.Wiring errors can cause improper and

dangerous operation.

• Routeandsecurewiringawayfromame.

• Ensureproperearthgroundingofappliance.

• Ensureproperconnectionoflineneutralandline

hot wires.

• Donottakecontrolapart,therearenoserviceable

parts inside.

• Donotusecontrolifithasbeenooded.

• Neverstandonthecontroloruseasastep.

WARNING

PART NO. 37-7512A

1403

www.white-rodgers.com

www.emersonclimate.com

The 11E79 control is a solid-state thermostat control for

gas ﬁred commercial water heater applications. The 11E79

supplies a relay switched output for damper or inducer

fan applications, and a “Call for Heat” signal or power to

energize a gas valve. The 11E79 receives input signals from

a temperature probe and Electrical Cutoff (ECO). It controls

temperature with an integrated temperature control knob. The

diagnostic features of the 11E79 make is easy to diagnose

system faults and issues.

Replace a 11E79-XXX control with an approved model

number as indicated on the cross reference table below:

11E79 Model Number Replacement Cross Reference Table

OEM Model Approved Replacement Temperature Range

11E79-101 11E79-901 120°F to 180°F

11E79-301 11E79-901 120°F to 180°F

11E79-400 None 120°F to 185°F

INSTALLATION

SPECIFICATION

REMOVING THE OLD CONTROL

1. Turn off main electrical power to the water heater.

2. Shut off the gas to the water heater.

3. Note the temperature setting of the dial.

4. Remove any cover that may be surrounding the 11E79

control.

5. Remove the wire connectors that plug into the four

locations on the control (see Fig. 1). Note that the

connectors have latches which must be depressed. DO

NOT FORCE THE CONNECTORS. DAMAGE TO THE

WIRING MAY RESULT.

6. Remove the four screws that mount the control to the

mounting plate and remove it from the water heater.

(see Fig 2).

Figure 1 - Connectors

Figure 2 - Mounting Screws

INSTALLING THE NEW CONTROL

1. Position approved new control of model number as

indicated on the cross reference table on the water

heater and secure with the four mounting screws

previously removed.

2. Replace the four wire connectors that were removed in

step 5 above.

3. Set the temperature dial to the same setting as noted in

step 3 above.

4. Restore gas and electrical power to the water heater.

ELECTRICAL RATINGS:

Input and Frequency: 120 VAC, 60 Hz

XFMR Sec. Current: 1.5A @ 24 VAC

Field Output (DD4,DD2): 1.5A @ 24 VAC

TEMPERATURE RANGE:

Setpoint Range: 120°F – 180°F or 120°F – 185°F

WIRING DIAGRAMS

Figure 3 - 11E79-101

Figure 4 - Typical Wiring Diagram with 50B66

4 PIN Upper Probe CONNECTOR (4A)

2 PIN Lower Probe CONNECTOR (2A)

4 PIN CONNECTOR (4B)

2 PIN CONNECTOR (2B)

1 ECO1R TOP ECO RETURN

2 UPSR UPPER PROBE SENSOR RETURN

3 ECO1O TOP ECO OUT

4 UPSO UPPER PROBE SENSOR OUT

1 TH 24VAC HOT

2 TR 24VAC RETURN

3 DD2 DAMPER DRIVE PIN 2 NOT USED

4 DD4 IGNITION (CALL FOR HEAT) PIN 4

1 L1 LINE HOT

2 L2 LINE NEUTRAL

1 LPSO LOWER PROBE SENSOR OUT

2 LPSR LOWER PROBE SENSOR RETURN

Viewed from wire side

Mates with AMP

Connector 1-480702-0

and pin 350547-1

Viewed from wire side

Mates with AMP

Connector 1-480698-0 and

socket 350550-1

43 21

LINE HOT

LINE NEU

120 VAC

IGN

NEU

FP IGNGND

FLAME

SENSE

PROBE

IGNITOR

GAS

VALVE

COMMV PS

XFMR NEU

XFMR HOT

HLI HLO

W500

50B66

During Standby Mode, the Damper Motor

is energized to close the damper.

S1 - Damper Open Switch

S2 - Damper Closed Switch

24 VAC

11E79

TR 4B-2

DD4

4B-4

TOP

PROBE

BOTTOM

PROBE

4A-3

4A-4

4A-2

4A-1

2A-1

2A-2

DD2

4B-3

2B-2

2B-1

4B-1

Reset

Fuse

7A20-1

7A20-2

DAMPER DRIVE UNIT

R3 S1 S2

Relay

Coil

Motor

RESET

ECO

STATUS

RESET

STATUS

POWER CALL FOR

HEAT

CAUTION:

RISKOFSCALDING

INCREASESWITH

HOTTERWATER

180

170

160

150

140

130

120

WARNING

DISCONNECT POWER

BEFORE SERVICING

-NOT FIELD REPAIRABLE-

REPLACE ONLY WITH

EXACT MODEL NUMBER.

EXPLOSION AND SERIOUS

INJURY COULD RESULT

INPUT:120 V. 60HZ.

OUTPUT: 1.5 A @ 25 V

Push Reset

OPEN ECO

ECO Status

PowerCall for Heat

Reset Status

5.030

5.0305.742

4.318

3 AMP FUSE

11E79E1

USC

WIRING DIAGRAMS

TROUBLESHOOTING

White-Rodgers is a business

of Emerson Electric Co.

The Emerson logo is a

trademark and service mark

of Emerson Electric Co.

www.white-rodgers.com

www.emersonclimate.com

LED’s to the left of the wire connectors indicate status of the control. The table below shows indications and what to check.

LINE HOT

LINE NEU

120 VAC

IGN

NEU

FP IGNGND

FLAME

SENSE

PROBE

IGNITOR

GAS

VALVE

COMMV PS

XFMR NEU24 VAC

XFMR HOT

HLI HLO

11E79

TR4B-2

DD4

4B-4

DD2

TOP

PROBE

BOTTOM

PROBE

4A-3

4A-4

4A-2

4A-1

2A-1

2A-2

4B-3

2B-2

2B-1

4B-1

L3 K1

Reset

Fuse

7A20-1

7A20-2

IND

Pressure Switch

IND HOTIND NEUTRAL

50B68-603

Figure 5 - Typical Wiring Diagram with 50B68-603

Indicators Problem Corrective Action

No Power Check 2 pin connectors (2B) at top right of device for 120 VAC

Standby Verify probe connections or set water temperature

Call for Heat Control operating properly and 24 VAC supplied to gas valve

terminals.

Push Reset Water temperature was detected above maximum limit. Push

Reset button to re-enable

Open ECO Water temperature is above maximum limit. Allow water

temperature to cool before pushing Reset button to re-enable

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