White Rodgers 1F85-277 Guía para resolver problemas Pagina 63
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Motor Configuration Settings
AB CD
No Signal Positive
Half Wave
Negative
Half Wave
Full
Wave
Cool
S3-1 OFF ON OFF ON
S3-2 OFF OFF ON ON
Adjust
S3-3 OFF ON OFF ON
S3-4 OFF OFF ON ON
Delay
S4-1 OFF ON OFF ON
S4-2 OFF OFF ON ON
Heat
S4-3 OFF ON OFF ON
S4-4 OFF ON ON ON
OPTION SWITCH SETTING -
MOTOR OPTIMIZATION
Amana/Goodman/Trane/Lennox/Thermo Pride – The motor
configuration DIP switches S3 and S4 must be set to match
settings of the original furnace settings for proper motor function.
To set the new board for the motor function, the DIP switches
must be set to match the settings of the board being replace.
IMPORTANT: Be sure to use proper switches for new
board settings. Switch locations on old board may not be
the same location as on the new board.
DELAY
A
B
C
D
A
B
C
D
A
B
C
D
COOL HEAT ADJ
E45
E43
E46
E44
York – The existing board has four shunt jumper banks to set
motor function configuration. The four jumper banks are des-
ignated DELAY (E45), COOL (E43), HEAT (E46), ADJ. (E44).
Each jumper bank has four pair of pins to have jumper installed
to determine the type of voltage to the motor. These pin pairs
are A (no signal) B ( positive Half-wave rectified), C (negative
Half-wave rectified), D (Full-wave unrectified).
On the new board, the motor functions must be duplicated on
DIP switched S3 and S4 per the following table.
NORMAL OPERATION – HEAT ON
When the thermostat calls for heat the module verifies the
pressure switches are open and energizes the inducer
(high speed) and optional humidifier contacts. When the low
pressure switch contacts close a 15 second pre-purge begins.
After 15 seconds the inducer switches to low speed and the
120 VAC ignitor is energized. The ignitor warms up for 17
seconds and the gas valve is energized on low fire. Flame
must be detected within 4 seconds. If flame is detected, a 45
second heat, fan on time delay begins. This allows the heat
exchanger to warm up before energizing the circulator on low
speed and (optional) Electronic Air Cleaner contact. When the
thermostat (or module) initiates second stage the inducer is
energized at high speed.
This closes the second stage inducer pressure switch then
energizes the second stage on the gas valve and then the high
heat circulator speed.
NORMAL OPERATION – HEAT OFF
When the thermostat satisfies for second stage, the control
will switch high speed inducer and high fire gas valve to low
speed inducer and low fire gas valve. After the 30 second high
heat fan delay the circulator will drop to low speed. When the
thermostat satisfies for first stage the gas valve de-energizes
and the inducer will run low speed for a 15 second post-purge.
The circulator runs until the heat off delay ends.
Note: If the module is configured for a single stage thermostat
and running on second stage when the call for heat ends, the
circulator will drop to low speed after 30 seconds and continue
until the heat off delay ends.
COOL MODE
In a typical system, a call for cool is initiated by closing Y
and G. This energizes the compressor and the electronic air
cleaner (optional). The electronic air cleaner and the G and (Y
or YLO outputs to the Circulator motor will energize after the 5
second cool on delay period. After the thermostat is satisfied,
the compressor is de-energized and the control starts a 60
second cool circulator speed off delay. After 60 seconds the
circulator is de-energized.
MANUAL FAN ON MODE
If the thermostat fan switch is moved to the “ON” position, the
electronic air cleaner (optional) and the G circulator output to
the circulator motor will be energized. When the fan switch is
returned to the AUTO position, the G circulator output and the
electronic air cleaner are de-energized.
SW4
1 2 3 4
ON
OFF
SW3
1 2 3 4
ON
OFF
Switch Position
50V51-843
(New Board)
SW4
5 6 7 8
ON
OFF
SW3
1 2 3 4
ON
OFF
Existing 50V51
or 50V61
INTEGRATED
FURNACE CONTROLS
21V51U-843
OPERATION
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186
TECHNICAL HELP
- TECHNICAL HELPINDEX 1
- INDEXTECHNICAL HELP 2
- TYPICAL WIRING1F97-1277 3
- 1F97-1277CONFIGURATION 4
- 1F95-1280CONFIGURATION 6
- 1F95-1291CONFIGURATION 8
- Heat Pump Connections 9
- Heat Pump Systems 9
- 1F95-1277CONFIGURATION 10
- (limited temperature range) 10
- INSTALLER/CONFIGURATION MENU 10
- Remote Sensor Terminals 11
- 1F97-0671CONFIGURATION 12
- TYPICAL WIRING1F95EZ-0671 13
- 1F95EZ-0671 14
- AND CONFIGURATION 14
- TYPICAL WIRING1F95-0671 15
- AND CONFIGURATION 1F95-0671 16
- CONFIGURATION1F95-0671 17
- TYPICAL WIRING 1F95-0680 18
- AND CONFIGURATION1F95-0680 19
- AND CONFIGURATION 1F95-0680 20
- 1F80-0471/1F86-0471 21
- CONFIGURATION AND 21
- TERMINAL OUTPUTS 21
- TYPICAL WIRING DIAGRAMS 22
- 1F83-0471/1F85-0471 23
- CONFIGURATION 24
- 1F83-0422/1F85-0422 24
- * Common connection 25
- TYPICAL WIRING1F85-0477 27
- 1F85-0477 28
- CONFIGURATION1F85-0477 29
- 1F80-0224/1F86-0244 30
- 1F80-0261/1F87-0261 30
- TAPE OFF! 32
- CONFIGURATION MENU 33
- 1F82-261 / 1F89-211 35
- 1E78-151 37
- 1F72-151 38
- 1F79-111 38
- WIRING AND 41
- CONFIGURATION1E65-144 41
- 2 Wire Installation 41
- 4 Wire Installation 41
- Troubleshooting Chart 43
- To + or S1 44
- To S or S2 44
- To - or S3 44
- + Terminals 45
- - Terminals 45
- EVAPORATIVE 46
- HEATING TECH HELP INDEX 47
- MAIN VALVE RELAY 48
- TH PGTH-PG 48
- REDUNDANT PILOT/VALVE 50
- ELECTRICAL SCHEMATIC 51
- 36E WIRING 52
- INFORMATION 52
- FURNACE CONTROLS 55
- 21M51U-843 WIRING 55
- INTEGRATED 55
- OPTION SWITCHES 57
- HEAT MODE 57
- DIAGNOSTIC TABLE 59
- 21M51U-843 59
- 50V51-843 60
- 21V51U-843 65
- FAULT INDEX CHART 66
- 1E1D1C 1F 67
- 1I1H1G 1J 1K 67
- 50A55-843 72
- 50A62-820 75
- 50A65-843 78
- L2 must be grounded 81
- LED Condition 83
- 50D50-842 WIRING 85
- 50D50-843 WIRING 85
- SYSTEM LOCKOUT AND 88
- DIAGNOSTIC FEATURES 88
- FAULT RECALL 89
- FAULT CODE RESET 89
- SILENT OPERATOR CONTROL 90
- BOARD MOUNT 91
- LIMIT CONTROLS 91
- 3L09 OUTLINE 91
- Figure 4 92
- Figure 3 92
- Wiring Instruction Notes 94
- 16E09-101 95
- USER MENU 95
- USER MENU / OPERATION 96
- SPECIAL 97
- TRANSFORMERS AND RELAYS 99
- TECHNICAL HELP 100
- WIRING DIAGRAMS 8A04-1 101
- 8A04-1 Typical Wiring 101
- 1311 Three Wire Zone Valve 102
- 1361 Two Wire Zone Valve 103
- TECH HELP INDEX 104
- INDOOR AIR QUALITY / 104
- ZONING SYSTEMS 104
- SIZING AND OZONE 105
- WHAT AIR CLEANERS DO 106
- AND HOW THEY WORK 106
- PARTS VIEW DIAGRAM 107
- COMFORTPRO 109
- AIR CLEANERS 109
- PARTS LIST 109
- AIR CLEANER 110
- PROGRAMMING OPTIONS 110
- TYPICAL WIRING 112
- DIAGRAMS 112
- REPLACEMENT 113
- HFT2900FP 116
- ZONING SYSTEM DESIGN 117
- MINIMUM POSITION DAMPER 118
- ZONING HEAT PUMPS 118
- ZONING COMMERCIAL SYSTEMS 119
- ZONING versus MULTIPLE UNITS 119
- 78123456 121
- WIRING DIAGRAM 4 – 122
- OPERATION AND WIRING 123
- Leading Air Sensor 123
- CZ-4/CAZ-2 ADDING ZONES 124
- AND TROUBLESHOOTING 124
- INSTALLATION 125
- OPERATION 125
- ZONE PANEL 126
- LEAVING AIR SENSOR (CLAS) 127
- TROUBLESHOOTING 127
- CMM-3UKZONE PANEL 128
- CMM-3U WIRING DIAGRAM 132
- BAROMETRIC RELIEF DAMPERS 133
- LOCATION 133
- CRDS ROUND 134
- SPRING RETURN DAMPERS 134
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