Crestron CHV-TSTATEX Installationsanleitung Seite 37

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Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Operations and Installation Guide DOC. 8163E Thermostats: CHV-TSTAT and CHV-THSTAT
31
Heat Pump, 1 or 2 Stages, Aux Heat or Dual Fuel
Press and hold the MODE and VIEW buttons simultaneously for 5 seconds to enter the setup mode.
SETUP: SYSTEM
SETUP: SYSTEM
Heat Sys Type:
# of Stages:
HP/AUX or DF:
HPump
2
HP/Aux
HEATPUMP SYSTEM
Press To Continue
Heat Sys Type: HPump
# of Stages: Select 1 or 2 stages.
HP/AUX or DF: Dual fuel runs either the heat pump or the
aux output, depending on outdoor temperature. The heat
pump with aux can stage the heat when required to improve
performance.
Dual Fuel: A dual fuel system combines an energy
efficient air source heat pump with a new or existing oil,
gas or propane furnace. The furnace runs in place of the
heat pump in cold weather.
Aux (Auxiliary) Heat: When the a heat pump can no
longer efficiently transfer heat from the outside air, the
thermostat automatically turns on a secondary heat
source, such as electric resistive heat.
SETUP: SYSTEM PERFORMANCE
SETUP: SYSTEM PERF
Heat Anticipator:
Cool Anticipator:
Intrstg Differential:
5
2
2.0
0
ADJUSTS HEAT SHUTOFF DYNAMICS
SETUP: SYSTEM PERF
LOCKS OUT HP IN COLD WEATHER
HP Balance Pt:
AUX Balance Pt:
Staging Accum Thresh:4
0
0
90
0
Press To Continue
Heat Anticipator and Cool Anticipator: Select 16.
Low number = more frequent cycles, faster response.
High number = less frequent cycles, slower response.
Intrstg Differential: Select 0.5º8.0º F.
The proportional temperature error to trigger the second
stage.
HP Balance Pt: Select 90º F or N/A. Minimum outdoor
temperature at which the heat pump runs (requires an
outdoor temperature source).
AUX Balance Pt: Select 90º F or N/A. Maximum
outdoor temperature at which Aux heat system supplements
the heat pump (requires an outdoor temperature sensor).
Staging Accum Thresh: Select 1 6.
The feature optimizes triggering of the second stage to meet
demand in instances where the first stage cannot reach the
interstage differential or achieve the desired setpoint.
Low number = more aggressive trigger for second stage.
High number = less aggressive trigger for second stage
(6 disables this feature altogether).
NOTE: A setting of 3 is recommended for most
installations.
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