6.7
System Mode
The 1050 Control has (5) System Modes which can be
selected...Heating, Cooling, Off, Emergency Heat and
Auto.
•
Heating – System will only operate in heating mode
•
Cooling – System will only operate in the cooling
mode
•
Off – System will not operate in heating or cooling
mode
•
Emergency Heating – System will operate the indoor
heat source only (this is only available when the
outdoor unit type is a heat pump)
•
Auto - The 1050 Control will determine which mode of
operation based on the following rules:
• Heating - Indoor temperature is equal or less than
heating setpoint
• Cooling – Indoor temperature is equal to or greater
than cooling setpoint or within 1°F of cooling setpoint
There is minimum deadband between heating and cooling
setpoints of 3°F (4°F when zoning is applied).
6.8
Quiet Mode (VSPD Systems Only)
Quiet Mode limits compressor operation (heating and
cooling mode) to minimum speed from 10 p.m. to 9 a.m.
This is to support local noise ordinances in the upper
northwest and other regions.
Charcteristics of Quiet Mode
•
During heating mode, indoor heat is allowed if the
system cannot maintain space conditions while Quiet
Mode is active
•
Quiet Mode is disabled by default. To enable press
"System Mode" on the home screen, then select
"System Options" and "Enable"
•
When active, Quiet will be displayed below the indoor
temperature on the 1050 Control's home screen
6.9
Fan Mode
The 1050 Control has three Fan Modes:
•
Auto – Fan only runs with a call for heating or cooling
•
On – Fan runs continuous
•
Circ – Fan runs a user selected minimum amount of
time each hour
18-HD80D1-3-EN
6.10 Air Cleaner Mode
The 1050 Control has three Air Cleaner modes:
•
Auto – Air cleaner operates only with a call for fan
operation
•
Quick – Air cleaner will operate for 3-hours with
blower at 100%
•
Allergy – Air cleaner will operate for 24-hours with
blower at 100%
Note: If a communicating Air Cleaner is installed, the power
level will be set to High during Quick and Allergy Clean
Modes.
XL 1050
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