11
Setup -- Heat Pump / AC
Cooling Lockout:
S
NONE (default)
S
45
_
F / 7
_
C
S
50
_
F / 10
_
C
S
55
_
F / 13
_
C
Outside temperature below which cooling will not be provided.
Low Ambient Cooling:
S
NO (default)
S
YES
Selecting
YES
will enable the low ambient cooling operation in
the outdoor unit. This setting is only available with communicating
outdoor units and with Cooling Lockout set to
NONE
.
Entered Size:
S
(dependent on indoor unit model)
Size of the outdoor unit entered during the start--up process. If the
outdoor unit is a communicating model, this value will not be
shown. This size can be changed here but is limited to sizes that the
indoor unit can handle.
Defrost Interval:
S
30 minutes
S
60 minutes
S
90 minutes
S
120 minutes (default)
S
Auto--Defrost interval optimized by outdoor control (de-
fault for communicating HP)
Time interval at which defrost cycles can occur on a heat pump.
Elect Heat Lockout
S
NONE (default)
S
+5 to 55
_
F / --15 to 13
_
C
Outside temperature above which the electric heat will not operate
except for defrost.
High Cool Latch:
S
NONE (default)
S
80 to 110
_
F / 27 to 43
_
C
Outside temperature above which only the high stage (of a 2--stage
outdoor unit) will run when cooling.
High Heat Latch
S
OFF (default)
S
20 to 50
_
F / --7 to 10
_
C 2 --stage heat pump runs only
high stage heating below a selectable outdoor tempera-
ture. Selections from 20 to 50
_
F / --7 to 10
_
C are avail-
able in 5
_
F / 2.8
_
C increments.
Setup -- Hybrid Heat
HYBRID HEAT SETUP
FURNACE
LOCKOUT:
> 30 F
HEAT PUMP
LOCKOUT:
< 15 F
DEFROST W/FURNACE:
YES
< BACK
HP TO FURNACE
STAGE TIME:
15 MIN
OUTSIDE LOCKOUT TEMPS
A07030
Fig. 28 -- Hybrid Heat Setup
FURNACE LOCKOUT -- Temperature above which only the heat
pump will operate, except for defrost.
S
Default = NONE
S
Available settings = NONE thru >55
_
F / 13
_
C
HEAT PUMP LOCKOUT -- Temperature below which only the
furnace will operate.
S
Default = NONE
S
Available settings = NONE thru <55
_
F / 13
_
C
DEFROST W/FURNACE -- Choose whether furnace operates
during defrost cycle.
S
Default = YES
S
Available settings = YES / NO
HP TO FURNACE STAGING TIME -- Adjust the minimum
amount of time the heat pump will run before furnace will be
allowed to run.
S
Default = 15 MIN
S
Available settings = 15--60 minutes. If a demand of 5
_
F /
2.8
_
C or greater exists, the timer will be overridden.
Setup -- Hydronic Heat
HYDRONIC HEAT SETUP
AIRFLOW:
800 CFM
BLOWER ON DELAY:
30 SEC
HOT WATER
LOCKOUT:
> 30 F
HEAT PUMP
LOCKOUT:
< 45 F
DEFROST W/WATER:
YES
BLOWER OFF DELAY: 30 SEC
< BACK
A07031
Fig. 29 -- Hydronic Heat Setup
HOT WATER LOCKOUT -- Outside temperature above which the
hot water will not operate except for defrost (if needed).
S
Available settings -- NO, 5 to 55
_
F / --15 to 13
_
C in 1
_
F
/ .6
_
C increments
HEAT PUMP LOCKOUT -- Outside temperature below which
only the hot water will run, 1
_
F / .6
_
C resolution.
S
Appears only with a heat pump outdoor unit.
S
Available settings -- NO, 5 to 55
_
F / --15 to 13
_
C in 1
_
F
/ .6
_
C increments
DEFROST W/WATER:
S
Available settings: YES / NO (Default =YES)
S
Appears only if heat pump is available If no, hot water
will not run during a defrost.
AIRFLOW -- Selects desired airflow during Hydronic Heating
S
Available range from OFF, 500 CFM(minimum) to 400
CFM/ton cooling maximum in 50 CFM increments.
S
Default is the cooling airflow. (350 CFM/ton)
S
OFF selection does not turn off airflow if heat pump is
defrosting.
CCUI
D
01
--
B
