Tag Archives: Maple Chase

Nest / Bi-energy / Heat-Pump – Oil Furnace

By xeon82

Hi, every one, i am happy to find a forum, with a lot of information, but i can’t fin my answer, if someone can help me it will be great,

New Nest second generation, recieved, as a gift, 🙂 :thumbup:

Old thermostat :Maple Chase, 6 wire inside connected to

C — BLACK
R — RED
Y1 — YELLOW
G —- GREEN
W2 — WHITE
B— ORANGE

when i connect the new nest, i get something strange :

RH —– Red
C — BLACK
Y1 — YELLOW
G —- GREEN
W2/AUX — WHITE
OB—–ORANGE.

it’s show me no power from RH, nad i will need to remove C and then the power is ok,
Heat pump work perfect, but when i call furnace oil by going for more 4 Degrees, it start and shut off quickly.

Please, help. any idea?

Thanks a lot :help:

Attached Images

From: http://www.doityourself.com/forum/thermostatic-controls/493185-nest-bi-energy-heat-pump-oil-furnace.html