Lennox iComfort SL18XC1 Series Скачать руководство пользователя страница 16 | Manualshive

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Page 16

XP17

System fault and lockout LED (DS11 / DS14) alarm codes takes precedence over system status LED codes (cooling, heating stages or
defrost/dehumidification). Only the latest active LED fault or lockout alarm code if present will be displayed. If no fault or lockout codes are active, then
system status LEDs are routinely displayed. See notes 1 and 2 in table below for duration of fast / slow flashes and pause.

Heat Pump Control

LEDs

Solution

Possible Cause(s)

Condition

iComfort

t

-enabled

Thermostat

Display

DS11

Green

Solution

Possible Cause(s)

Condition

iComfort

t

-enabled

Thermostat

Display

DS14 Red

DS11

Green

Solution

Possible Cause(s)

Condition

iComfort

t

-enabled

Thermostat

Display

DS14 Red

Slow flash

On

Moderate

Alert Code

414

Discharge line

temperature fault

This code indicates high discharge temperatures. If the discharge line temperature
exceeds a temperature of 279ºF (137ºC) during compressor operation, the control
will de-energize the compressor contactor output (and the defrost output if active).
The compressor will remain off until the discharge temperature has dropped below
225ºF (107ºC).

Fast flash

On

Critical Alert

Code 415

Discharge line

temperature

lockout

Off

Fast flash

Moderate /

Critical Alert

Code 417

Discharge sensor

fault

The heat pump control (A175) detects open or short sensor or out of temperature
sensor range. This fault is detected by allowing the unit to run for 90 seconds
before checking sensor resistance. If the sensor resistance is not within range
after 90 seconds, the control will raise the alarm.

3 fast

flashes

then

pause

Off

Moderate /

Critical Alert

Code 418

W output

hardware fault

When auxiliary heat output is detected as active. Fault in the heat pump control.
Replace heat pump control.

3 fast

flashes

then

pause

On

Moderate /

Critical Alert

Code 419

W output

hardware fault

lockout

If heat pump control recognizes five output hardware fault events during a single
cooling demand, the heat pump control will initiate a lockout.

Off

3 fast

flashes

then

pause

Critical Alert

Code 421

W external

miswire fault

When auxiliary heat output is detected as active after compressor has been
de-energized.

Simultaneous fast

flashes then pause

None

Second-stage

heat lock-in

If the unit is in non-communicating mode and it goes to second stage due to ambi
ent temperature being below second stage lock-in setting (E48).

Fast simultaneous flashing of DS11,

DS13, DS14 and DS15

OEM mode

Factory test mode.

1. Pause duration is two (2) seconds.

2. Fast flash duration is 1/2 second. Slow flash duration is one (1) second.

Table 6. Compressor Fault and Lockout LED Codes and Related iComfort

t

-Enabled

Thermostat Alert Codes

NOTE — See notes 1 and 2 in table below for duration of fast / slow flashes and pause.

Heat Pump Control

LEDs

iComfort

t

-enabled

Thermostat

Display

Condition

Possible
Cause(s)

Solution

Clearing Sta
tus

DS15
Yellow

DS13

Red

Off

On

Moderate/

Critical

3

Alert

Code 400

Compressor

internal

overload trip

Thermostat
demand signal
Y1 is present, but
compressor not
running

1

Compressor protector is open.

Check for high head pressure

Check compressor supply voltage

2

Outdoor unit power disconnect is open.

3

Compressor circuit breaker or fuse(s) is open.

4

Broken wire or connector is not making contact.

5

Low or high pressure switch open if present in
the system.

6

Compressor contactor has failed to close.

Clears the error
after current is
sensed in the
run and start
winding for two
seconds, ser
vice removed or
power reset.

«
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Содержание iComfort SL18XC1 Series

Страница 1: ...n EHB Lennox Product Catalog Lennox Price Book TABLE OF CONTENTS I OVERVIEW Model Number Identification 2 Typical Serial Number Identification 2 Specifications 2 Electrical Data 3 Unit Dimensions 4 Ty...

Страница 2: ...024 230 01 02 03 04 05 62 10 lbs 0 oz 5 26 2 XP17 024 230 06 07 63 10 lbs 0 oz 5 26 2 XP17 024 230 08 63 9 lbs 10 oz 5 26 2 Model Number Unit Outdoor Fan Sound Rating Number dB 1 Factory Refrigerant C...

Страница 3: ...denser Fan Maximum Over current Protection amps 1 Minimum Circuity Ampacity2 Rated Load Amps RLA Locked Rotor Amps LRA Motor HP Nominal RPM Full Load Amps FLA XP17 030 230 01 02 03 04 30 19 6 14 1 73...

Страница 4: ...2 0 1 HACR type circuit breaker or fuse 2 Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements Unit Dimensions Inches Millimeters 4 5 8 117 39...

Страница 5: ...NE HR1 CRANKCASE HEATER REVERSING VALVE SOLENOID L1 COMPRESSOR GROUND LUG HIGH VOLTAGE FIELD CONNECTIONS CONTACTOR 1POLE K1 1 HEAT PUMP CONTROL A175 CAPACITOR C12 FAN MOTOR CONTROL A177 SLEEVE WIRE TI...

Страница 6: ...410A in the indoor unit Operating Gauge Set These instructions are intended as a general guide and do not supersede local codes in any way Consult authorities who have jurisdiction before installation...

Страница 7: ...1 12 1 12 TURN To Access Service Port A service port cap protects the service port core from contamination and serves as the primary leak seal 1 Remove service port cap with an appropriately sized wre...

Страница 8: ...ET DEFROST TERMINATION TEMPERATURE 100 90 70 50 100 90 70 50 100 90 70 50 30 0 30 SECOND DELAY SECOND DELAY 0 LED ALERT CODES HEAT PUMP CONTROL ONE STAGE E37 E47 DS11 and DS14 DS13 and DS15 E33 COMPRE...

Страница 9: ...2 E28 FAN C ECM common connection for ECM fan E30 Six position square pin header P4 provides connections for the temperature sensors DIS YELLOW Not Used AMB BLACK AMB 1 Outdoor ambient temperature se...

Страница 10: ...FUNCTION The five strike lockout safety function is designed to protect the unit s compressor from damage The five strike feature is used for high pressure S4 and low S87 pressure switch trips and W...

Страница 11: ...he cable assembly attached to the heat pump control s E30 connection has a 10K resister installed between pins 1 and 2 as illustrated in figure 5 No alerts or alarms would be generated if resistor is...

Страница 12: ...s will be executed and unit will continue in the mode it was operating Place a jumper on TEST pins for more than two seconds Clears any short cycle lockout and five strike fault lockout function if ap...

Страница 13: ...4 61693 26 2 204829 92 0 7007 42 3 24525 9 9 62712 27 0 210805 90 6 7225 41 7 24934 9 3 63752 27 8 217080 89 4 7444 41 1 25349 8 8 64812 28 7 223677 88 1 7666 40 5 25769 8 3 65895 29 5 230621 86 9 789...

Страница 14: ...return to normal the alert code is turned off automatically Table 5 System Status Fault and Lockout LED Codes and Related iComfortt Enabled Thermostat Alert Codes System fault and lockout LED DS11 DS...

Страница 15: ...t and did not get the expected response incorrect or no response at all from device Normally this indicate device malfunction None Critical Alert Code 124 Active subnet controller missing Device lost...

Страница 16: ...When auxiliary heat output is detected as active Fault in the heat pump control Replace heat pump control 3 fast flashes then pause On Moderate Critical Alert Code 419 W output hardware fault lockout...

Страница 17: ...normal run cycles or after power reset 2 flashes then pause Off Critical Alert Code 402 System pressure trip Indicates the compressor protector is open or missing supply power to the compressor 1 High...

Страница 18: ...g and connectors between supply and the compressor S terminal 3 Compressor start winding is damaged Check compressor motor winding resistance Clears when amperage is de tected in RUN and START sensors...

Страница 19: ...layed Fan motor speeds are not adjustable for a single stage outdoor unit see table 8 Verifying Correct DC Output Voltage J2 The following three methods can be used to determine whether the fan motor...

Страница 20: ...trol LED One Stage Operation Low Stage ECM1 Y1 ONLY One slow flash then short pause RPM Indicator NOTE There is a long pause between stage operation and RPM indicator See tables 1 and 2 for LED RPM in...

Страница 21: ...ERMINALS SEE TABLE 8 FOR OPTIMAL DC VOLTAGE BASED ON CFM PROFILE USED COM FAN PWM OUT FAN PWM OUT PARK COM J2 GREEN RED BROWN RED BLACK RED RED GREEN FAN MOTOR CONTROL YELLOW BLACK YELLOW BLUE SEE TAB...

Страница 22: ...GH PRESSURE SWITCH GREEN RED BROWN RED BLACK RED RED GREEN FAN MOTOR CONTROL YELLOW BLACK YELLOW BLUE SEE TABLE 8 FOR CFM PROFILE SELECTION OPTIONS BLACK WIRE YELLOW WIRE VAC VDC 24 EXT PWR R 24VAC IN...

Страница 23: ...his is a test that will verify that the motor does operate J2 1 Verify main 240 volt power if OFF to unit 2 Remove both wires brown and black from the J2 terminal on the fan motor control A177 3 Room...

Страница 24: ...nce GRILLE MOUNTING POINTS GRILLE MOUNTING POINTS FASTENER INSERTION POINT FAN MOTOR MOUNTING POINTS PUSH FORWARD PUSH FORWARD THE FOUR MOUNTING POINT HOLES THAT SECURE THE TOP GRILLE TO THE PLASTIC T...

Страница 25: ...ely from E33 Place jumper on FIELD TEST E33 pins within 2 to 4 seconds after removal The control s DS11 and DS14 LEDs will start blinking the Unit Nominal Code at three 3 second intervals starting at...

Страница 26: ...cycling routine when activated will cycle the fan ON for five minutes if the outdoor ambient air temperature is between 15 F and 35 F and the compressor has been OFF for 25 to 30 minutes This option i...

Страница 27: ...DISPLAY PUSH BUTTON NOTE LINK NOT APPLICABLE TO SINGLE STAGE UNIT CUTTING LINK WILL HAVE NO AFFECT ON OPERATION OF SINGLE STAGE UNITS MAX 90 DEGREE TARGET 70 DEGREE TARGET 50 DEGREE TARGET 90 70 50 T...

Страница 28: ...the control will detect the unit type as a heat pump Anytime there is no connection to O terminal the control will detect the unit type as a air conditioner Anytime there is a connection to Y2 OUT te...

Страница 29: ...t type capacity or fan RPM If this happens the configuration sequence for that section of the string must be repeated Yes No OUTDOOR CONTROL SEVEN SEGMENT DISPLAY PUSH BUTTON One stage air conditioner...

Страница 30: ...Profile Power up Unit capacity two digit number and displayed represents unit size code outdoor unit capacity Unit Capacity Code 12 18 24 30 36 42 48 60 1 TON 1 1 2 TON 2 TON 2 1 2 TON 3 TON 3 1 2 TON...

Страница 31: ...30 225 14 XC21 048 060 and XP21 048 83 600 92 675 30 225 15 XP21 060 86 625 97 700 30 225 Seven Segment Alert and System Status Codes Alert codes are displayed using the seven segment display located...

Страница 32: ...n 18 hours continuously Compressor ran more than 18 hours to satisfy a single thermostat demand If the unit is 2 stage the high speed will lock out and the unit will run at low speed If it is a HP and...

Страница 33: ...conds the board will count one fault After 5 faults the board will lock out Check for proper sensor reading and attachment to line The alarm clears after a power reset E 418 There is a faulty W output...

Страница 34: ...isplay of nominal capacity Fan Profile code a single or two digit number See table 11 for applicable fan RPM pro file POWER UP 7 SEGMENT DISPLAY STRING Unit Type Stages Capacity Fan Profile Displays t...

Страница 35: ...mode pause pause Dehumidification mode Shows that the unit is providing dehu midification instead of straight cooling Following string is repeated if dehumidification is active with outdoor fan speed...

Страница 36: ...r 14 minutes if coil temperature remains below terminate temperature or by pushing button down for less than 2 seconds Enter test mode Display will string active error codes ambient coil and discharge...

Страница 37: ...in a communicating system the fan profile will need to be set because the iComfort enabled thermostat does not know what the profile should be Refer to the iComfort enabled Thermostat Installer Setup...

Страница 38: ...Lennox Product Catalog Lennox Price Book SunSource Home Energy System This Dave Lennox Signature Collection heat pump is factory equipped with components that make it SunSource solar ready These units...

Страница 39: ...right identifies the sound reduction parts Assembly procedure is as follows 1 Remove discharge grommet 2 Install suction grommet 3 Install SR1 left and right side covers 4 Fasten new bottom cable tie...

Страница 40: ...ature Return Air Temperature HEATING MODE Vapor Pressure Liquid Pressure Supply Air Temperature Ambient Temperature Return Air Temperature System Refrigerant Charge Refer to manufacturer s information...

Страница 41: ...ian will need to visually inspect the unit being service to determine which wiring diagram is applicable Quick verification can usually be made by comparing the wiring diagram located on the unit acce...

Страница 42: ...Page 42 XP17 Figure 19 Typical XP17 Wiring Non Communicating Surge Protection and A177 Fan Motor Control Wiring Change XP17 XXX 230 02...

Страница 43: ...Page 43 XP17 Figure 20 Typical XP17 Wiring Communicating No Surge Protection and A177 Fan Motor Control Wiring Change XP17 XXX 230 02 through 05...

Страница 44: ...Page 44 XP17 Figure 21 Typical XP17 Wiring XP17 XX 230 06...

Страница 45: ...Page 45 XP17 Factory Wiring Diagrams Figure 22 Typical Factory Wiring XP17 XX 230 01...

Страница 46: ...Page 46 XP17 Figure 23 Typical Factory Wiring XP17 XX 230 02...

Страница 47: ...Page 47 XP17 Figure 24 Typical Factory Wiring XP17 XX 230 03 and 05...

Страница 48: ...Page 48 XP17 Figure 25 Typical Factory Wiring XP17 XX 230 06...

Страница 49: ...in the utility load control receiver are closed The R iComfort communication wire between the indoor unit and iComfort outdoor unit is connected and iComfort communication is restored The outdoor uni...

Страница 50: ...actor coil and the compressor will be cycled OFF The outdoor fan will continue to operate during a thermostat demand The 7 segment display on the outdoor control will NOT display an alert code and the...

Страница 51: ...ng method is not applicable to early production XC17 XP17 XC21 and XP21 outdoor units that used outdoor control 101796 xx 101797 xx 101798 xx and 101799 xx Utility Load Control Receiver Contacts N C c...

Страница 52: ...OUT 2 24VAC to reversing valve output O terminal 3 Output between 24 and 32 VDC on heat pump control s ECM fan terminals ECM Y1 FAN and ECM C NOTE If lower pressure switch is closed system will ignore...

Страница 53: ...ACHES 5 WITHIN A SINGLE Y1 DEMAND LOW PRESSURE SWITCH S87 LOCKOUT LED ALERT CODE OR CRITICAL ALERT 411 DISPLAYED SERVICE REQUIRED2 LED ALERT CODE OR MODERATE ALERT 410 DISPLAYED SERVICE REQUIRED2 NORM...

Страница 54: ...SERVICE REQUIRED2 LED ALERT CODE OR MODERATE ALERT 412 DISPLAYED SERVICE REQUIRED2 NORMAL OPERATION CLOSED CLOSED OPEN OPEN 1 If 5 strike counter has four or less strikes when Y1 demand is terminated...

Страница 55: ...initi ated 100 90 DEGREE TARGET 70 DEGREE TARGET 50 DEGREE TARGET 100 90 70 50 DEGREE TARGET 100 90 70 50 100 90 70 50 100 90 70 50 E47 Heat Pump Control A175 Defrost Termination E47 Pins Factory Def...

Страница 56: ...RESSOR ANTI SHORT CYCLE TIMER BEGINS YES LED ALERT CODE OR MODERATE ALERT 418 CLEARED ANTI SHORT CYCLE TIMER ENDS W OUTPUT ACTIVE NORMAL OPERATION LED ALERT CODE OR MODERATE ALERT 418 CLEARED NO YES N...

Страница 57: ...t directly outside a window Glass has a very high level of sound transmission For proper placement of unit in relation to a window see the provided illustration in figure 36 detail A PLACING UNIT ON S...

Страница 58: ...above a load bearing wall or area of the roof that can adequately support the unit Consult local codes for rooftop applications If unit coil cannot be mounted away from prevailing winter winds a wind...

Страница 59: ...PLASTIC ANCHOR HOLE DRILL 1 8 INSTALL UNIT LEVEL OR IF ON A SLOPE MAINTAIN SLOPE TOLERANCE OF 2 DEGREES OR 2 INCHES PER 5 FEET 50 MM PER 1 5 M AWAY FROM BUILDING STRUCTURE MOUNTING SLAB BUILDING STRU...

Страница 60: ...s illustrated in detail D with the screw side as close to the unit as possible Then in a continuous motion 1 Slightly rotate and guide the lip of top tab inward as illustrated in detail A and C then u...

Страница 61: ...for minimum circuit ampacity and maximum overcurrent protection size 24VAC TRANSFORMER Use the transformer provided with the furnace or air handler for low voltage control power 24VAC 40 VA minimum Re...

Страница 62: ...pump control A175 ROUTE CONTROL WIRES COMMUNICATING Maximum length of wiring 18 gauge for all connections on the RSBus is limited to 1500 feet 457 meters Color coded temperature rating 95 F 35 C mini...

Страница 63: ...factory with metal jumpers installed across W1 W2 and W3 For one stage electric heat do not remove factory installed metal jumpers 4 Air handler control ships from factory with metal jumpers installed...

Страница 64: ...parately 3 Cut on board link W951 clippable wire from R O HEAT PUMP for heat pump applications 4 Cut on board link clippable wire DS R for Humiditrol or Harmony III applications This will slow the ind...

Страница 65: ...15 50 ft 5 15m 042 048 060 3 8 10 1 1 8 29 3 8 10 1 1 8 29 Field Fabricated NOTE Some applications may required a field provided 7 8 to 1 1 8 adapter NOTE When installing refrigerant lines longer tha...

Страница 66: ...d be used if line set is to be installed on exterior of outside wall PVC PIPE FIBERGLASS INSULATION CAULK OUTSIDE WALL VAPOR LINE WRAPPED WITH ARMAFLEX LIQUID LINE OUTSIDE WALL LIQUID LINE VAPOR LINE...

Страница 67: ...orm operations only in well ventilated areas Wear gloves and protective goggles or face shield to protect against burns Wash hands with soap and water after handling brazing alloys and flux IMPORTANT...

Страница 68: ...ROGEN HIGH LOW B A C PIPING PANEL REMOVAL AND PREPARING LINE SET CAP AND CORE REMOVAL Remove piping panel for easier access to service valves Cut ends of the refrigerant lines square free from nicks o...

Страница 69: ...previous page and below for manifold gauge setup 5 SUCTION VAPOR LINE WHEN BRAZING LINE SET TO SERVICE VALVES POINT FLAME AWAY FROM SERVICE VALVE WARNING 1 FIRE PERSONAL INJURY OR PROPERTY DAMAGE will...

Страница 70: ...itting to temporary reconnect the liquid line to the indoor unit s liquid line orifice housing LOW HIGH EXISTING INDOOR UNIT GAUGE MANIFOLD INVERTED HCFC 22 CYLINDER CONTAINS CLEAN HCFC 22 TO BE USED...

Страница 71: ...APPLICATION INFORMATION A REMOVE THE FIELD PROVIDED FITTING THAT TEMPORARILY RECON NECTED THE LIQUID LINE TO THE INDOOR UNIT S DISTRIBUTOR AS SEMBLY B INSTALL ONE OF THE PROVIDED TEFLON RINGS AROUND...

Страница 72: ...efrigerant Residual mineral oil can act as an insulator preventing proper heat transfer It can also clog the expansion device and reduce the system performance and capacity Failure to properly flush t...

Страница 73: ...er of dry nitrogen with a pressure regulating valve to the center port of the manifold gauge set D Adjust dry nitrogen pressure to 150 psig 1034 kPa Open the valve on the high side of the manifold gau...

Страница 74: ...AUGE SET A B C D LINE SET AND INDOOR COIL NOTE Remove cores from service valves if not al ready done Figure 44 Connecting Gauge Set EVACUATE LINE SET AND INDOOR COIL The unit is shipped with a factory...

Страница 75: ...for one hour During this time dry nitrogen will diffuse throughout the system absorbing moisture 5 Repeat this procedure as indicated in figure 46 System will then be free of any airborne containment...

Страница 76: ...lue listed in table 1 5 Check voltage supply at the disconnect switch The voltage must be within the range listed on the unit s nameplate If not do not start the equipment until you have consulted wit...

Страница 77: ...21 20 19 19 18 17 16 16 15 14 13 12 72 20 20 19 18 17 17 16 15 15 14 13 12 11 10 70 19 19 18 18 17 17 16 15 15 14 13 12 11 10 57 58 59 60 61 62 63 64 65 66 67 68 69 70 Temperature of air entering indo...

Страница 78: ...nameplate for charging CHARGING METHOD NOTE Insulate liquid line when it is routed through areas where the surrounding ambient temperature could become higher than the temperature of the liquid line o...

Страница 79: ...ing sure to note any additional charge for line set and or match up 10 If subcooling value is greater than shown on unit charging sticker for the applicable unit remove refrigerant if less than shown...

Страница 80: ...7 130 475 6 146 579 8 38 113 6 54 152 8 69 197 3 85 254 1 100 317 2 116 396 0 131 481 6 147 586 8 39 115 8 55 155 5 70 200 6 86 258 0 101 321 8 117 401 3 132 487 8 148 593 8 40 118 0 56 158 2 71 203 9...

Страница 81: ...icable Charging Sticker by Unit Model Number Unit Model Number Unit Charging Sticker Numbers 580287 01 580320 01 Reference charging stickers above are located at the end of this manual XP17 024 230 XX...

Страница 82: ...5 29 310 148 312 143 306 142 315 144 319 141 322 138 95 35 356 150 358 146 354 144 362 147 366 144 369 140 105 41 405 152 408 148 406 147 415 147 418 146 422 142 115 45 456 155 462 150 463 150 472 150...

Страница 83: ...78 136 85 29 310 148 312 143 306 142 315 144 319 141 322 138 95 35 356 150 358 146 354 144 362 147 366 144 369 140 105 41 405 152 408 148 406 147 415 147 418 146 422 142 115 45 456 155 462 150 463 150...

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