Sunsource ® Home Energy System; Checklists - Lennox XC21 Series Unit Information

®
SunSource Home Energy System
This model series is also SunSourcet ready beginning
with XC21−XXX−230−05 build.
This Dave Lennox Signature
factory−equipped with
®
SunSource solar−ready. These units can be matched with
solar modules and other optional equipment so that they
can become part of a SunSource

Checklists

Two−Stage Modulation Compressors Field Operational Checklist
Unit Readings
COMPRESSOR
Voltage
Amperage
CONDENSER FAN MOTOR
Amperage
TEMPERATURE
Ambient
Outdoor Coil Discharge Air
Compressor Discharge Line
Indoor Return Air
Indoor Coil Discharge Air
PRESSURES
Suction (Vapor)
Liquid
XC21
®
Collection heat pump is
components that make
®
Home Energy System.
Y1 − First Stage
Units can be upgraded for use with solar equipment at the
time of installation or in the future.
Solar energy is first used to meet cooling/heating
demands. When the outdoor unit is not operating, the
system powers lighting, appliances and other electronic
devices in the home. Any surplus power is sent back to the
utility company for a possible credit (check with your local
utility company for availability).
The SolarSynct package consists of the following
components:
S Lennox
®
Solar Subpanel installed in a Dave Lennox
®
Signature Collection air conditioner or heat pump
unit.
S Solar modules (1 to 15 may be used to vary the amount
of electricity generated).
S Envoy Communications Gateway monitors solar
power performance.
All components must be ordered separately. See the
Lennox XC21 Engineering Handbook for SunSource
Home Energy System component ordering.
it Wiring runs from the roof−mounted solar modules to the
outdoor unit. From there, power travels to the home
electrical service panel using the existing outdoor unit
power wiring.
Expected results during Y2
demand (Toggle switch On)
Same
Higher
Same or Higher
Same
Higher
Higher
Same
Lower
Lower
Higher
Page 50
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Y2 − Second Stage