White Rodgers 1F85-277 Guía para resolver problemas Pagina 56
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INTEGRATED
FURNACE CONTROLS
21M51U-843 WIRING
AND CONFIGURATION
50M51-843
TERMINAL
50M51-843 TYPICAL WIRING TABLE
TERMINAL
TYPE
SYSTEM COMPONENT
CONNECTION
W1
two-stage thermostat W1 terminal (or equivalent)
G
two-stage thermostat G terminal (or equivalent)
R
two-stage thermostat R terminal (or equivalent)
YLO
two-stage thermostat Y1 terminal (or equivalent)
Y
two-stage thermostat Y2 terminal (or equivalent)
TWIN one wire twinning terminal*
C
8 -screw
terminal
block
two-stage thermostat C terminal (or equivalent)
MV COM (8) gas valve COMMON
MVH (1) gas valve SECOND STAGE
12-pin
connector
& harness
** Maximum recommended flame probe wire length is 36 inches.
* For TWINNING applications, use only 50M51-843 Controls
24 VAC transformer (low voltage COMMON SIDE)
TR (9)
24 VAC transformer (low voltage HIGH SIDE)
TH (5)
flame sensor probe**
FP (3)
1st stage pressure switch INPUT
PS1 (12)
2nd stage pressure switch INPUT
PS2 (2)
high limit INPUT
HLI (6)
high limit OUTPUT
HLO (11)
MUST BE RELIABLY GROUNDED TO CHASSIS
GND (4)
MUST BE RELIABLY GROUNDED TO CHASSIS
GND (10)
MVL (7) gas valve FIRST STAGE
W2
two-stage thermostat W2 terminal (or equivalent)
IGN (1)
ignitor HOT side
IGN N (5) ignitor NEUTRAL side
unused circulator blower terminal
LINE
1
/4" spade terminal input voltage (120 VAC) HOT SIDE
PARK
XFMR
1
/4" spade terminal 24 VAC transformer line voltage HOT SIDE
EAC (optional)
1
/4" spade terminal air cleaner HOT side
HUM (optional)
1
/4" spade terminal humidifier HOT side
CIRC N
1
/4" spade terminal circulator blower NEUTRAL terminal
LINE N
1
/4" spade terminal input voltage (120 VAC) NEUTRAL SIDE
XFMR N
1
/4" spade terminal 24 VAC transformer line voltage NEUTRAL SIDE
HUM N (optional)
1
/4" spade terminal humidifier NEUTRAL side
EAC N (optional)
1
/4" spade terminal
3
/16" spade terminal
air cleaner NEUTRAL side
5-pin
connector
& harness
COOL circulator blower COOL SPEED terminal
HEAT LO circulator blower HEAT/FAN LOW SPEED terminal
circulator blower HEAT HIGH SPEED terminal
flame sensor probe** (Lennox applications only)
FP2
inducer HIGH SPEED HOT side
IND HI (2)
IND LO (3) inducer LOW SPEED HOT side
IND N (4) inducer NEUTRAL side
HEAT HI
1
/4" spade terminal
1
/4" spade terminal
1
/4" spade terminal
1
/4" spade terminal
TECHNICAL HELP
www.white-rodgers.com
179
- 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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