Twin Furnace Wiring Diagram

Installation instructions twinning kit 35 889 mm condensing gas furnaces f g 9mxt f g 9mxe n9mse n9msb.

Twin furnace wiring diagram. St 0xx 10 twinning york furnaces rc refer to wiring diagrams eliminating the need for the old s1 2tc03700124 twinning kit accessory. Made to the main furnace and main furnace wiring harness. It is very important that the two furnace circulating air blowers operate in unison. St 0xx 10 twinning york furnaces rc author.

Connect the twinning control to each furnace. Connect the low voltage wiring from the wall thermostat to the ter minal strip on the control board of furnace 1. Connect the room thermostat to the twin ning control. Refer to wiring diagrams eliminating the need for the old s1 2tc03700124 twinning kit accessory.

Use adequate wire size for all control circuit loads just as you would with any thermostat 18 awg minimum. 2 is syncronized with unit no. 2 blower operation of unit no. The twinning control uses all low voltage wiring between both furnaces and the room thermostat.

Table 1 models f g 9mxt f g 9mxe n9mse n9msb. Two stage furnace staging instructions 1. Transformer as shown in the individual wiring diagrams to prevent overloading furnace 24 vac 115 vac transformer. My paperback and e book.

Quantity sealing tape 2 external extension harness 327962 701 1 main twinning harness 327957 701 1 secondary twinning harness 327959 701 1 two stage furnace wiring diagram 327891 101 1 single stage furnace heat wiring diagram 327893 101 1 single stage furnace two stage heat wiring diagram 327892 101 1 label 327956 101 1. Twinning field wiring twinning field wiring twinning connection diagram for twinning 1 stage furnaces with single wire twinning feature 1 stage heat 1 stage heating only thermostat only thermostat with fan switch furnace no. This is a very simplified version of furnace twinning but it should give you he basics to assure proper operation. Single stage twinning wiring diagram 268890 uim b 0607 single wire twinning instructions connect the control wiring as shown in the figure 14.

4 table 1 kit contents description part no.