33-00462—05 34
2185 Emergency
Heat
Emergency Heat Type Electric Forced Air,
Standard Efficiency Gas
Forced Air, High Efficiency
Gas Forced Air, Oil Forced
Air, Hot Water Fan Coil, Hot
Water Radiant Heat, Other
2175 =
independent
No* Both Not an option when
EIM is used.
2190 External fossil
Fuel Kit
External fossil Fuel Kit Thermostat Controls
Backup Heat, External
Fossil Fuel Kit Controls
Backup Heat
2000 = heat
pump, 2180 =
Gas or oil
forced air
No Both
2200 Backup Heat
Operation
Backup Heat Operation NOT Allowed to Run with
Heat Pump, Allowed to Run
with Heat Pump
2180 set for
Hot Water or
Other
No Both
2205 Emergency
Heat
Operation
Emergency Heat
Operation
NOT Allowed to Run with
Heat Pump, Allowed to Run
with Heat Pump
2150 set for
Hot Water or
Other
No* Both Not an option when
EIM is used.
2210 Fan Control Backup Heat Fan
Operation
No Fan, Equipment Controls
fan, Thermostat controls fan
2180 = other No T10+
2230 Control mode Control Mode Air and Floor, Air only,
Floor only
1055 set to
"Wired"
No T10+ No Floor only option
if there is a cool
stage or backup
heat stage.
3000 Changeover Changeover Manual, Automatic Any system
with at least 1
heat stage & 1
cool stage
No Both
3015 Auto
Changeover
Differential
0-5F (0.00 to 2.50C) 3000= auto No Both
3020 Staging control Finish with high cool
stage
No, Yes 2 cool/
compressor
stages
No Both
3021 Staging control Finish with high heat
stage
No, Yes At least 2 heat
stages
No Both
3030 Staging control Cool differential stage 2 Comfort, 1.0F, 1.5F, 2.0F,
2.5F, 3.0F, 3.5F (.50, .75,
1.00, 1.25, 1.50, 1.75, C)
2 cool stages
selected
No Both
3050 Staging control Radiant heat differential Comfort, 1.0F, 1.5F, 2.0F,
2.5F, 3.0F, 3.5F (.50, .75,
1.00, 1.25, 1.50, 1.75, C)
There are 2
stages of
radiant heat
selected for
2070.
No Both
Heat Differentials Stage 2 (Comfort, 1.0F -
3.5F)
2000 =
Conventional
Forced air +
2070 = 2 or 3
No T10+
Stage 3 (Comfort, 1.5F to
4.0F
2000 =
Conventional
Forced air +
2070 = 3
Yes T10+
3060 Staging control Compressor Heat
Differential Stage 2
Comfort, 1.0F, 1.5F, 2.0F,
2.5F, 3.0F, 3.5F (.50, .75,
1.00, 1.25, 1.50, 1.75, C)
2000 = Heat
Pump and
2070
Compressor
stages = 2
No Both
3080 Staging control Backup heat differentials Stage 1: Comfort*, 2.0F to
15F (1.00C to 7.5C)
Radiant heat
with 1 or 2
backup heat
stages
No Both If 2 stages of
backup heat. The
2nd backup stage is
forced to be at least
.5 degrees higher
than first stage
back-up heat.
Stage 2: Comfort*, 2.5F to
15.5F (1.25F to 7.75F)
Radiant heat
with 2 backup
heat stages
Yes T10+
Table 9. Installer Setup (ISU). (Continued)
Firmware is occasionally updated at the factory or over the air. Some ISU settings may not be shown on models that lack the latest firmware.
ISU # Heading Question Options
Contingent
previous
setting?
EIM
needed?
T10, T10+
or both Notes
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