White Rodgers 1F85-277 Guía para resolver problemas Pagina 62
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21V51U-843
OPERATION
INTEGRATED
FURNACE CONTROLS
Heat Fan Off Delay Timing
DIP switches S7-3 and S7-4 (see table above) configure
the number of seconds the blower will run after the call
for heat ends. Factory default is 90 seconds.
OPTION SWITCH SETTING – FURNACE
MANUFACTURER
OPTIONS SWITCHES
Option switches are used to determine the length of the delay
periods. The following tables show the time periods that will
result from the various switch settings.
OPTION SWITCH SETTING - THERMOSTAT
TYPE AND HEAT-FAN-OFF-DELAY
Multi-stage Thermostat Set-up,
Factory Default
DIP switches S7-1 and S7-2 (see table above) are set to the
“Off” position from the factory for use with a multi-stage ther-
mostat. This allows the thermostat to control staging between
low and high fire.
Single Stage Thermostat Set-up,
Module Controls Staging
DIP switches, S7-1 and S7-2 (see table above) configure for a
single stage thermostat. Options include a 10 minute delay on
second stage, 20 minute delay on second stage or an Auto set-
ting allowing the module to calculate the time delay for second
stage based on average demand. The “Average Calculated
Duty Cycle” table shows how the module calculates staging
based on demand.
Average
Calculated
Duty Cycle
% Equals
or is less
than
Low to High
Stage Delay Demand
0 38 12 minutes Light
38 50 10 minutes Light to Average
50 62 7 minutes Average
62 75 5 minutes Average to Heavy
75 88 3 minutes Heavy Light
88 100 1 minute Heavy
DIP Switches
Switch Settings Options
Thermostat
Type and W2
Delay S7-1,
S7-2
S7-1 S7-2 Time
Off Off Off*
On Off 10 Minutes
Off On Auto
On On 20 Minutes
Heat Fan Off
Delay
S7-3, S7-4
S7-3 S7-4 Time
Off Off 90 Secs*
Off On 120 Secs
On Off 150 Secs
On On 180 Secs
*Factory Settings
S7
3
4
1
2
OFF ON
DIP Switches
Switch
Settings
Options
Heat Pump
S5-1
S5-1
Off Installed
On Not Installed*
De-humidifier
S5-2
S5-2
Off Installed
On Not Installed*
*Factory Settings
S5
1
2
OFF ON
IMPORTANT: Switch selection must match furnace
manufacturer for proper motor operation.
Set DIP switches S2-1 and S2-2 to match the equipment using
the table above. NOTE: DIP switch S2-3 is not used.
DIP Switch Selection for OEM Applications
S2
OEM
12
OFF OFF Trane
OFF ON
Thermo Pride/
Goodman
ON OFF Lennox
ON ON York
3
1
2
OFF ON
S2
OPTION SWITCH SETTING - HEAT PUMP
AND DE-HUMIDIFICATION
Heat Pump Systems
DIP switch S5-1 (see table above) is set to “On” from the factory
for use with conventional (non-Heat Pump systems). For heat
pump systems move the S5-1 DIP switch to the “Off” position.
This will continuously output an O signal to the motor whenever
there is Y signal and run the circulator blower at a constant
speed when the pump is operating.
De-Humidification Connection
DIP switch S5-2 (see table above) is set to “On” from the fac-
tory for systems that do not have a dehumidification terminal
connection from the thermostat. For systems using a thermostat
that provides a De-Humidification option move DIP switch S5-2
to “Off”.
TECHNICAL HELP
www.white-rodgers.com
185
- 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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