80 Series Thermostats
37
Heat Pump Staging Applications
•
1F83C-11
Apply to Single Stage Compressor Heat Pumps with No
Auxiliary or Emergency Heat.
–
Install a jumper between
Y
and
W
and select the proper reversing valve
changeover position
O
or
B
•
1F83H-21
or
1F85U-22
Apply to Single Stage Compressor Heat
Pumps with one stage of Auxiliary or Emergency Heat.
•
1F85U-42
Apply to Single or Two Stage Compressor Heat Pumps with
up to two stages of Auxiliary or Emergency Heat.
–
The -42 allows up to two Heat Pump and two Auxiliary / Emergency stages
(four stages heat maximum). As received, -42 Universals sequence (stage)
the back-up heating terminals
W/E
and
W2
.
–
There is also a menu option to use
W2
as a single stage of Auxiliary Heat and
use
W/E
as a separate Auxiliary Heat Only (Emergency) stage. This would
result in a 3 Heat/ 2 Cool thermostat.
Model Number
(NP or PR)
HP Stages
Configure For Separate
Aux-Emergency
HP Stages With Separate
Aux/Emergency
Heat
Aux
Cool
Heat
Aux
Cool
1F83C-11
1
0
1
None
1
0
1
1F83H-21
1
1
1
Clip W2/E Jumper
1
1
1
1F85U-22
1
1
1
Use Configuration Menu Item #15
1
1
1
1F85U-42
2
2
2
Use Configuration Menu Item #15
2
1
2
Summary of Contents for 80 Series
Page 1: ...80 Series Thermostats 1 Emerson 80 Series Thermostats ...
Page 2: ...Business and Product Overview ...
Page 19: ...Technical ...
Page 32: ...Install ...
Page 35: ...80 Series Thermostats 35 Instruction Sheets 1F85U 42PR 1F85U 42NP 1F85U 22PR 1F85U 22NP ...
Page 44: ...80 Series Thermostats 44 Installer Configuration Menu ...