DIY Chatroom Home Improvement Forum

DIY Chatroom Home Improvement Forum (http://www.diychatroom.com/)
-   HVAC (http://www.diychatroom.com/f17/)
-   -   Replacing thermostat...................... (http://www.diychatroom.com/f17/replacing-thermostat-47220/)

sktn77a 06-22-2009 02:24 PM

Replacing thermostat......................
 
I have an older White Rodgers Digital Comfort Set II programmable heat pump thermostat (1F92-71) which is connected to a Rheem single stage heatpump with electric strip backup heat. The thermostat is giving up the ghost so I'm replacing it with a 1F95-1291. I have a couple of questions on the wiring:

1. The old thermostat has the white wire connected to E1 (emergency) which is jumpered to W2 (second stage heat/Aux). The new thermostat has a single connector labelled W/E (2nd stage heat aux/1st stage heat emergency). I take it they have just combined the E1 and W2 connectors into the W/E connector and I should just connect the white wire to W/E?

2. The old thermostat has the yellow wire connected to Y1 (first stage heat) which is jumpered to W1 (first stage cool). The new thermostat has a single connector labelled Y (1st stage heat/1st stage cool). Again, I take it they have just combined the Y1 and W1 connectors into the Y connector and I should just connect the yellow wire to Y?

3. The old thermostat has the blue wire connected to the B connector (changeover output, heating). I take it I should connect this to the same B terminal (changeover output, heating) in the new thermostat?

Sorry if this is basic, but I want to double check before I mess with a heat pump!

sktn77a 06-23-2009 07:41 AM

Anybody............. Bueller............ Anybody???

:001_unsure:

hvaclover 06-23-2009 08:21 AM

A Google search with that model will get you to the White Rodgers and detailed wiring instructions.

sktn77a 06-23-2009 09:49 AM

Thanks: Yes, I've done that. I have the wiring diagrams from the White-Rodgers site but all they do is identify the terminals as "B", "G", "Y1", etc, but they are different for the two thermostats and neither wiring diagram says which wire to connect to which terminal (just the terminal identification).

So I guess I need a "Gestalt" that my assumptions (above) are reasonable (or not, as the case may be).

sktn77a 09-02-2009 08:26 PM

Quote:

Originally Posted by CPERRY (Post 322996)
I have a mini fridge that is not getting cold. It is plugged in and also it is a WELBILT model number W73691.

??????? What has this got to do with the price of sliced bread ???????

KAVF 09-02-2009 10:44 PM

Quote:

Originally Posted by sktn77a (Post 291249)
I have an older White Rodgers Digital Comfort Set II programmable heat pump thermostat (1F92-71) which is connected to a Rheem single stage heatpump with electric strip backup heat. The thermostat is giving up the ghost so I'm replacing it with a 1F95-1291. I have a couple of questions on the wiring:

1. The old thermostat has the white wire connected to E1 (emergency) which is jumpered to W2 (second stage heat/Aux). The new thermostat has a single connector labelled W/E (2nd stage heat aux/1st stage heat emergency). I take it they have just combined the E1 and W2 connectors into the W/E connector and I should just connect the white wire to W/E?

2. The old thermostat has the yellow wire connected to Y1 (first stage heat) which is jumpered to W1 (first stage cool). The new thermostat has a single connector labelled Y (1st stage heat/1st stage cool). Again, I take it they have just combined the Y1 and W1 connectors into the Y connector and I should just connect the yellow wire to Y?

3. The old thermostat has the blue wire connected to the B connector (changeover output, heating). I take it I should connect this to the same B terminal (changeover output, heating) in the new thermostat?

Sorry if this is basic, but I want to double check before I mess with a heat pump!


Looks like you got the wiring right

sktn77a 09-02-2009 11:07 PM

No, I haven't been able to figure it out yet (and I haven't really had the time). Fortunately, it's an attic heatpump system that we rarely use, so I'll tackle it when I have a little more time.


All times are GMT -5. The time now is 02:43 AM.