Carrier 751 Specifikace Strana 1

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The 50M56U-751 kit is a Single Stage HSI Integrated Furnace
Control kit for Carrier. This kit replaces the following Carrier
controls:
Carrier White-Rodgers
HK42FZ004 HK42FZ009 HK42FZ016 50M56-751
HK42FZ007 HK42FZ011 HK42FZ034
HK42FZ008 HK42FZ013 325878-751*
*Universal replacement for all Carrier controls.
The control employs a microprocessor to continually monitor,
analyze, and control the proper operation of the gas burner,
inducer, and fan.
Twinning: The control board in this Kit CANNOT be twinned
with any of the Carrier circuit boards.
50M56U-751
Carrier Single Stage
HSI Integrated Furnace Control Kit
INSTALLATION INSTRUCTIONS
DESCRIPTION
Installation should be done by a qualified heating and air
conditioning contractor or licensed electrician.
If in doubt about whether your wiring is millivolt, line, or low
voltage, have it inspected by a qualified heating and air
conditioning contractor or licensed electrician.
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 components could
cause the control to malfunction.
Following installation or replacement, follow manufacturer’s
recommended installation/service instructions to ensure
proper operation.
PRECAUTIONS
Do not short out terminals on gas valve or primary
control. Short or incorrect wiring may damage the
thermostat.
CAUTION
!
Failure to comply with the following warnings could result
in personal injury or property damage.
FIRE HAZARD
• Donotexceedthespeciedvoltage.
• Replaceexistingcontrolwithexactmodeland
dash number.
• 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
servicing controls. Wiring errors can cause
improper and dangerous operation.
• Routeandsecurewiringawayfromame.
SHOCK HAZARD
• Disconnectelectricpowerbeforeservicing.
• Ensureproperearthgroundingofappliance.
• Ensureproperconnectionoflineneutralandline
hot wires.
EXPLOSION HAZARD
• Shutoffmaingastoapplianceuntilinstallation
is complete.
WARNING
!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
PART NO. 37-7513B
Replaces 37-7513A
1421
www.white-rodgers.com
www.emersonclimate.com
50M56-751
The kit contains:
1 – 50M56-751 ignition control board
1 – Set of interconnect harnesses
1 – Manual
1 – Bag of accessories
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Shrnutí obsahu

Strany 1 - 50M56U-751

The 50M56U-751 kit is a Single Stage HSI Integrated Furnace Control kit for Carrier. This kit replaces the following Carrier controls:Carrier White-Ro

Strany 2 - MOUNTING AND WIRING

2MOUNTING AND WIRINGAll wiring should be installed by a qualified heating and air conditioning contractor or licensed electrician, according to local a

Strany 3 - INSTALLATION

3 INSTALLATIONReplacing HK42FZ004, HK42FZ007, HK42FZ008, HK42FZ009, HK42FZ011, and HK42FZ016Use Old Style Wiring Harness Adaptor. Reference Fig. 2,

Strany 4 - WIRING DIAGRAM

4WIRING DIAGRAM CRGWYYWGRTHERMOSTATCOMPRESSORCONTACTOROPTIONAL24 V HUMOptionalELECTRONICAIR CLEANER120 VCIRCULATORBLOWER50M5624 VAC120 VAC24 VAC CLA

Strany 5 - WIRING DIAGRAM

550M56TERMINALTERMINALTYPESYSTEM COMPONENTCONNECTIONTYPICAL SYSTEM WIRING TABLE† Maximum recommended flame probe wire length is 36 inches. lo

Strany 6 - OPERATION

6OPERATION CHECK-OUT AND SELF TESTThe 50M56U-751 is equipped with a self test routine used during the control’s installation. The self test checks t

Strany 7 - OPERATION

7FAULT RECALLThe last five fault codes stored can be displayed on the diagnostic LED. When the control is in standby mode (no call for heat or cool), p

Strany 8 - TROUBLESHOOTING

Red LED Flash Error/Condition Comments/Troubleshooting1 External lockout (exceeded retries) Failure to sense flame is often caused by carbon deposits o

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