Page 1: ...ble using twinning kit NAHA003WK01 Follow the instructions located in the Twinning Kit Installation section for proper hookup of desired thermostat staging Furnace Installation Refer to the Installation Instructions packed with the furnaces for information about clearances start up and maintenance gas piping and vent installation CAUTION Furnaces installed MUST be identical They may be installed o...
Page 2: ...ring in parallel from the thermostat to the terminal blocks on each fan control 2 for the G and Y connections only Interconnect _ e wir ng from the C connections at the terminal blocks on each fan control Note The Y connection _snot reduired if air conditioning is not availab t Connect wire from WI of the thermostat to the W connection of the electronic fan control of furnace Pl 3 Connect wire fro...
Page 3: ...ace 1 Control Panel 0 Transformer i I II I Ill I_1 II 1 0 ELECTRONIC FAN CONTROL O O O O Isolation Relay SPST Drill Two 1 8 Dla Holes For Mounting _ Control Panel Located In Blower Compartment Connect twinning leads as shown Connect Zl to Zl and Z 2 to Z2 o 0 _ Twinning Leads EIm trordc Fen 0 o Electranlc _ _ J C_ntrt d Y_ O O ...
Page 4: ...Tuesday 29 o Sep 1998 Faxination 75123390477 Page 5 of Figure 2 Proper Connection of Twinning Leads FURNACE 1 FURNACE_ Splice if required to obtain neces J I I Bushings L_ ...
Page 5: ...HERMOSTA W G THERMOSTAT WIRING FOR SINGLE STAGE HEATING Z2 TO Z1 TO Zt ELECTRONIC FAN CONTROL FURNACE 2 E R WI W2 G WALL THERMOSTAT THERMOSTAT WIRING FOR TWO STAGE HEATING Z2 TO Z2 Z1 TO Zt _ CONTROL FURNACE _ _ t_OLATION F L_Y ELECTRONIC FAN CONTROL FURNACE 2 10 12 21a ...
Page 6: ...DTWO G __ 9 _ wj_ THERMOSTAT I _r i Z2TO Z2 Z1TOZl I FF_TRONIO GON1TtO_ FURNAGE m2 ISOLATION RELAY WALL THERMOSTAT W1 Y G THERMOSTAT WIRING FOR TWO STAGE HEATING AND SINGLE STAGE COOLING z i _ ELECTRONIC LG_ Y CONTROL FURNACE _ Z2TO Za Zl TO Z1 _ iz2 Izl _ ELI_I_RONIC _y CONTROL 2 iSOLATION E LAY NC CONDENSER 10 12 22 ...
Page 7: ...ERMOSTAT WIRING FOR SINGLE STAGE HEATING AND COOLING Z2 TO Z2 ZI TO Z1 ELECTRONIC FAN CONTROL kSOLATI_N ELAY _C CONDENSER _ R I THERMOSTATWlRING I Tw rAQE WALL THERMOSTAT _CTRONIC L _ 7 i CONI_IOIL _ FURNACE j 1 CONDENSERS Z2 TO Z2 Zl TO Zl ELECTRONIC FAN CONTROL FURNACE 2 D oN 10 t2 21 ...
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