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AFFINITY LOW SILL SERIES INSTALLATION MANUAL
Standard CCM Control Features
Compressor control module (CCM) controls are standard on the
Affinity Series Low Sill Console heat pump. This control features
unit mounted thermostat and switches,
Features of the standard control are:
• Easy to understand color coded thermostat adjustment markings.
• Large, rocker type mode and blower switches.
• Internally mounted blower switch to choose cycled or constant
blower
operation.
• High pressure and low pressure safety controls to protect the
unit
components.
• Lockout circuit to shut down unit operation upon receipt of a fault
indicator from the safety controls.
• A 24 volt control circuit allows for safe and easy diagnosis.
The user selects either “Heat/Cool” or “Fan Only” on the mode
switch, then either “High” or “Low” at the blower speed switch. The
temperature can be controlled by rotating the thermostat control knob.
The “Fan Only” setting provides constant blower operation.
In the “Heat” mode, a call for heat by the thermostat closes the
compressor contactor contacts, energizing the compressor, which
will run until the thermostat is satisfied.
In the “Cool” mode, a call for cooling by the
thermostat energizes the reversing valve and closes the
compressor contactor contacts, energizing the compressor, which
will run until the thermostat is satisfied.
If either the low or high pressure safety switches are opened, the
compressor and reversing valve are disabled by the lockout relay.
Unit operation will resume only after the voltage to the unit is
interrupted or the mode switch is placed in the “Off” position.
Controls
Control
General Description
Application
Display/Interface
Protocol
Thermostat Options
CCM Control
The CCM (Compressor control module)
is a more reliable replacement for
electro-mechanical control applications.
It features a small microprocessor
board that handles the lockout function
of the unit. A second microporcessor
handles the unit mounted thermostat for
maintaining accurate room temperature.
Residential and commercial
applications requiring minimal but
reliable controls. Includes Random
Start, High and low pressure switches
and auto changeover capability.
Dial thermostat with Hi and
Low blower speeds, and
auto changeover or cont
blower selection switches.
None
Unit Mounted Digital
Dial Thermostat
Remote Mounted
Standard Thermostat
Unit Mounted Control
Summary of Contents for YCL09
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