18
TIMER SPEEDUP (TEST MODE)
Timer Speed Up allows the unit to bypass all start timings to below
10 seconds to allow the unit to run for testing purposes. This speed
up will last one cycle until unit shuts down for the next start.
Start timings include:
SAnti--short cycle time (5 minutes)
SRandom start--up
On a system with a communicating control, from the main menu,
enter the Service mode by holding the Service hat icon for
approximately 10 seconds until it turns green. Enter the checkout
screen. This allows an option to run 5 minutes low stage or 5
minutes high stage, each adjustable up to 120 minutes and
stoppable at any time.
PRE START--UP CHECKLIST
CAUTION
!
UNIT DAMAGE AND/OR OPERATION HAZARD
Failure to follow this caution may result in unit damage
and/or improper equipment operation.
Equipment should never be used during construction due
to likelihood of wall board dust accumulation in the air
coil of the equipment which permanently affects the
performance and may shorten the life of the equipment.
CAUTION
!
UNIT DAMAGE AND/OR OPERATION HAZARD
Failure to follow this caution may result in unit damage
and/or improper equipment operation.
Check with all code authorities on requirements involving
condensate disposal/overflow protection criteria.
j Ensure the isolation valves are open and water control valves
are wired.
j Loop/water piping is complete and flushed, (clean and purged
of air).
j Verify loop water chemistry meets requirements on water
chemistry table (reference table 1)
j Antifreeze is added if necessary
j Verify the freeze protection is set according to proper freeze
temperature (26_For15_F)
j Verify the HRP system is purged and connected completely, if
applicable.
j Verify HRP switch is energized, if applicable. Recommend
electrically de--ener gize if installed and water not available.
j Remove access panels to access applicable compartments.
j Verify sufficient space is available for accessing and servicing
areas such as the blower and electric heat compartment and the
compressor and electrical control box compartment.
j Verify all supply voltage is in accordance with unit nameplate.
j Verify all wiring is tight and secure.
j Verify system voltage is per the system rating.
j Check that the unit blower is free to rotate and wheel is secure
to shaft.
j Verify the condensate drain pan is clear and drains with proper
external trap and pipe pitch.
j Ensure the system air filters are installed.
j Verify Loop pump wiring, if applicable, is in accordance with
the pump installation instructions.
j Verify all system accessories and components are wired per
applicable instructions and all wiring in accordance with NEC.
j UPM dip switch settings will be over--ridden by the UI.
Settings should be configured in the User Interface during set
up (see steps below in user interface quick set up).
j Ensure there are no wires pinched when panels are
re--installed.
j Ensure all panels are in place before powering up the unit.
USER INTERFACE QUICK SET--UP
j Install only approved thermostats per the unit Product Data.
Communicating geothermal units require UI software version
13 or later. Read and Understand the thermostat Installation
Instructions, this start--up is not intended to replace the
thermostat Installation Instructions.
j Install each component per unit Installation Instruction. Wire
each accordingly.
j Enter the service and installation screens in the UI
Upon powering up the system, the user interface installation will
seek out the control boards in the unit and recognize the unit model
and size and communicating electric heat, if installed.
Component search order:
S Indoor (ECM is the indoor if GC model)
S Outdoor (UPM)
S SAM if applicable
S Zoning if applicable
S Any non--com components via selectable screens.
j Run set up to select specific features desired such as UPM
switch settings (brownout, lockout and freeze protection).
SYSTEM INITIAL POWER UP AND
CHECKOUT
!
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Ensure cabinet and electrical box are properly grounded
j From the UI main screen select menu. Then find and select
the service cap icon. Touch and hold the icon for about 10
seconds until it turns hat green then release to enter the screen
that provides these options:
S Equipment summary
S Installation
S Setup
S Checkout
j Select Installation to initialize equipment set up and follow
screen prompts as necessary.
j Verify equipment summary is correct and complete by
selecting equipment summary.
j Select Setup option to select system settings such as brownout
protection, lock out settings and freeze protection. Set up air
flow settings in the Setup option. Follow on screen prompts
for airflow options.
j Airflow verification test can be achieved from the installation
and service screen after full installation.
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