sensi 1F87U-42WF Smart Thermostat Installation Guide
NOTES
SINGLE STAGE OR MULTIꢀSTAGE SYSTEM (NO HEAT PUMP) WITH TWO TRANSFORMERS
Thermostat
†
System
Configuration
Single
Stage
AC1
O
Blower
Cool
Mode
Energized
Constantly
in Cool
Heat
Mode
Circulator
Fan
GA1
2nd Stage
2nd Stage
EL1
Mode
(Factory
Default)
Energized
On Call
For Cool
Heat
24 Volt
(Hot)
Cool
24 Volt
(Hot)
Heat
Cool
Mode
1st stage
Heat
Pump “L”
Terminal
Connection
24 Volt
(Common)
Mode
1st Stage
(And Heat
If Confi-
gured
For Electric
Heat)
B
Multi-
Stage
AC2
GA2
EL2
Energized
Constantly
In Heat
De-
humidifier
Humidifier
Mode (Or
Aux Mode)
Dots Indicate
Phased
Dots Indicate
Phased
Relationship
Relationship
NEUTRAL
24 VAC
HOT
HOT
120 VAC
NEUTRAL
HOT
120 VAC
NEUTRAL
NEUTRAL
24 VAC
HOT
Heating Transformer
Cooling Transformer
†Two transformers systems (separate RC and RH wires), clip internal RC/RH jumper, located on back of thermostat.
HEAT PUMP SYSTEMS
Thermostat
†
††
System
Configuration
O
Single
Stage
Heat
Cool
Heat
Mode
Energized
Blower/
Circulator
Fan
Energized
On Call
For Cool
Heat And
Cool Mode
1st Stage
(Com-
Mode
Constantly
in Cool
2nd Stage
2nd Stage
Pump
Mode
(Factory
Default)
Heat
HP1
24 Volt
(Hot)
24 Volt
(Hot)
Heat
pressor)
Heat
24 Volt
(Common)
Pump “L”
Terminal
Connection
Mode
Cool
Multi-
NOTE: Dual
Fuel Option
De-Energizes
Heat Mode
1st Stage
1st Stage
B
(And Heat If
Configured
For Electric
Heat)
Energized
Constantly
In Heat
Stage
De-
humidifier
Heat
Humidifier
Pump
Mode (Or
Aux Mode)
HP2
Dots Indicate
Phased
Relationship
NEUTRAL
HOT
24 VAC
HOT
120 VAC
NEUTRAL
†Internal jumper between RC and RH, located on back of thermostat.
Sensi Smart Thermostat | INSTALLATION GUIDE
12
| General | Details |
|---|---|
| Name | sensi 1F87U-42WF Smart Thermostat Installation Guide |
| Make | sensi |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.86 MB |
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