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View Full Version : Lennox 51M33 stat to Hunter 44860 stat


Mcgyver
Nov 11, 2009, 08:46 AM
Lennox Heat Pump with Electric heat backup
Lennox 51M33 wiring
O - orange
R - red
G - green
Y1 - yellow
W1 / E jumper - white
L - light red (pink)
C - black
T (Outdoor temp sensor) - blue

Hunter 44860
C - black
Y1 - yellow
RC/R - red with no jumper
W2 / E jumper - white
O- orange
G - green
L - pink
Blue wire not currently connected

My questions are, do I need to reconnect the jumper on RH-RC/R and where if any do I need to connect the blue wire since it was connected to the "T" slot

KC13
Nov 11, 2009, 04:30 PM
Jumper - yes. Insulate pink and blue wires as they are not needed.

Mcgyver
Nov 11, 2009, 06:04 PM
KC,

Thank you for the reply, The jumper has been reconnected and the pink and blue have been disconnected.

KC13
Nov 12, 2009, 04:04 AM
Success?

Mcgyver
Nov 12, 2009, 07:13 AM
I hope so, the furnace was working and the inside temperature was nearly at the setting 68*, outside temp was 30* Thanks again and I will give more info as I gather it.