Lennox Zoning System LZP-4 Installation Instructions Manual Download Page 12 | Manualshive

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Page 12

Field Wiring – HVAC Equipment: Furnace and Air Conditioner

DIAGRAM 8 – SINGLE STAGE FURNACE AND AIR CONDITIONER

DIAGRAM 9 – TWO-STAGE FURNACE AND TWO-STAGE AIR CONDITIONER

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Summary of Contents for Zoning System LZP-4

Page 1: ...connection are to be used with this zoning panel Do not use mechanical or power robbing thermostats Dampers 2 or 3 wire 24 volt dampers required 2 wire power closed spring open preferred Application...

Page 2: ...Page 2 FIGURE 1 LZP 4 CONTROL PANEL SCHEMATIC...

Page 3: ...ES AUX MINUTES A C 45 140 B D CL 40 HT 160 OFZONES TO STAGE DAS SENSOR Lennox LXZ 4 49M9201 Rev 0 Install the control panel indoors only If the Vacation and or Emergency Heat switches on the control p...

Page 4: ...mal position Sizing the Transformer The system requires approximately 10 VA for the control panel and thermostats and 10 VA for each damper The size of the transformer will depend on the greatest numb...

Page 5: ...one 1 HEAT COOL R C W Y G O B 1 2 HEAT COOL R C W Y G 1 2 Heat Pump Optional W2 and Y2 3 4 7 Optional W2 and Y2 3 4 7 Any Zone Heat Pump HEAT PUMP R C W1 Y1 G O 8 HEAT PUMP R C W1 Y1 G O 8 Electric Op...

Page 6: ...T COOL TERMINAL DEFINITIONS Thermostat Terminal Function R 24 VAC Hot C 24 VAC Common W 1st Stage Heat W2 2nd Stage Heat Y 1st Stage Cool Y2 2nd Stage Cool G Fan O Cooling Mode B Heating Mode TABLE 2b...

Page 7: ...Input First Stage Second Stage First Stage Second Stage First Stage Second Stage Auxiliary Emergency Setup 1 Stat Type output Cool Cool Electric Electric Compressor Compressor Heat Heat Furnace Furnac...

Page 8: ...in 0 Panel Y1 O G Y1 Y2 O G W1 W2 B Y1 B G Y1 Y2 B G Zone 1 Output Heat Pump Panel Y G Y 2S G or By Aux Timer By Emergency W W 2S or by Gas Heat Cool Input by Stage Timer Only Switch Only Stage Timer...

Page 9: ...ss damper and duct should be sized to handle the excess pressure created when the smallest zone is operating alone worst case To size the bypass damper subtract the total air volume capacity of the sm...

Page 10: ...AGRAM 1 POWER CLOSE SPRING OPEN DAMPER WIRING DIAGRAM 2 DAMPER WIRING WITH SEPARATE TRANSFORMER Field Wiring Thermostats DIAGRAM 3 HEAT COOL THERMOSTAT WITHOUT O AND B TERMINALS DIAGRAM 4 HEAT COOL TH...

Page 11: ...ield Wiring Thermostats continued DIAGRAM 5 HEAT PUMP THERMOSTAT DIAGRAM 6 HEAT PUMP THERMOSTAT SignatureStat 51M28 AND ELITE 49M57 DIAGRAM 7 HEAT PUMP THERMOSTAT SignatureStat 51M28 AND ELITE 49M57 D...

Page 12: ...Page 12 Field Wiring HVAC Equipment Furnace and Air Conditioner DIAGRAM 8 SINGLE STAGE FURNACE AND AIR CONDITIONER DIAGRAM 9 TWO STAGE FURNACE AND TWO STAGE AIR CONDITIONER...

Page 13: ...Page 13 Field Wiring HVAC Equipment Heat Pumps DIAGRAM 10 SINGLE STAGE HEAT PUMP DIAGRAM 11 TWO STAGE HEAT PUMP...

Page 14: ...Page 14 Field Wiring HVAC Equipment Heat Pumps continued DIAGRAM 12 TWO STAGE HEAT PUMP WITH DUAL FUEL...

Page 15: ...ero thermostat inputs or of Zones Calling control staging SWITCHES ARE SHOWN AS BLACK AUX MINUTES With the control panel configured for ZONE 1 operation auxiliary heat can only be controlled by time C...

Page 16: ...SELECTOR This switch allows the homeowner to switch from normal operation ZONE to a VACATION mode In VACATION mode switch in the ON position Zone 1 becomes the only zone from which a call for heating...

Page 17: ...g LED will stop flashing DAMPER OPERATION The NO output will be energized and the NC output will be de energized for any zone not calling for heating or cooling while the equipment output is energized...

Page 18: ...NO PURGE is the preferred method of purge when this zone panel is applied to Lennox equipment HEATING OPERATION HEAT PUMP SYSTEMS When a zone makes a call for Heat the Y1 G and B output terminals wil...

Page 19: ...call If you choose not to use the SignatureStat or Elite thermostats dual fuel feature or wish to use a standard heat pump thermostat to control the dual fuel system the furnace will turn on with an...

Page 20: ...Page 20 System Setup Flowchart...

Page 21: ...Page 21 System Setup Flowchart continued...

Page 22: ...Page 22 System Setup Flowchart continued...

Page 23: ...Page 23 System Setup Flowchart continued...

Page 24: ...Page 24 System Setup Flowchart continued...

Page 25: ...Page 25 System Setup Flowchart continued...

Page 26: ...t to place the senor past the take offs High static pressure must be corrected Bypass tap is too close to inlet of air handler Adjust bypass tap in the return air duct so that is further away from the...

Page 27: ...EC change setting to GAS HVAC system has built in duct purge Set PURGE NO PURGE jumper on control panel to NO PURGE An open or short in the DAS sensor has been detected Install or repair the sensor Em...

Page 28: ...ng the resistance at room temperature warm the tip of the sensor by holding it in the palm of your hand and take another resistance reading This reading should be noticeable lower than the room temper...

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