Final System Setup - American Standard YSC036A Installation, Operation And Maintenance Manual

Monitor the suction pressure for 15
minutes. The suction pressure
should remain within 5 psi of normal
cooling operation. If the unit has a 2
speed Outdoor fan and if the Outdoor
air temperature is below 70° F , verify
that the OD fan is in low speed.
Gas Heat Units
Open the main disconnect switch to
shut the unit off and to reset the
RTRM.
Follow the Test Guide in Table 10
start the unit in the heating mode.
ReliaTel Control Momentarily jump
across the Test 1 & Test 2 terminals
on LTB1 one additional time if
continuing from previous component
start-up or until the desired start-up
component Test is started.
Electro Mechanical Control
Using the Service Test Guide perform
the proper test mode connections
When starting the unit for the first
time or servicing the heaters, it is a
good practice to start the heater with
the main gas supply turned "Off" .
Once the ignition system and
components have been checked,
open the main power disconnect
switch to reset the unit.

Final System Setup

After completing all of the pre-start
and start-up procedures outlined in
the previous sections (i.e., operating
the unit in each of its Modes through
all available stages of cooling &
heating), perform these final checks
before leaving the unit:
• Program the Night Setback (NSB)
panel (if applicable) for proper
unoccupied operation. Refer to
the programming instructions
for the specific panel.
• Verify that the Remote panel
"System" selection switch,
"Fan" selection switch, and
"Zone Temperature" settings for
automatic operation are correct.
• Inspect the unit for misplaced
tools, hardware, and debris.
• Verify that all exterior panels
including the control panel doors
and condenser grilles are
secured in place.
40
• Close the main disconnect switch
or circuit protector switch that
provides the supply power to the
unit's terminal block or the unit
mounted disconnect switch.
WARNING
Live Electrical Components!
During installation, testing, servicing
and troubleshooting of this product,
it may be necessary to work with live
electrical components. Have a
qualified licensed electrician or other
to
individual who has been properly
trained in handling live electrical
components perform these tasks.
Failure to follow all electrical safety
precautions when exposed to live
electrical components could result in
death or serious injury.
Make sure all personnel are standing
clear of the unit before proceeding.
The system components will start
when the power is applied.
Start-Up
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