8
Make sure the correct size fuse is installed in-line with the transformer
powering the Controller.
For both Gas/Electric and Heat Pump Controllers
1. These system tests are to be done with all wiring to the air condi-
tioning unit disconnected.
A. Be sure that the power switch to the Controller is in the “OFF”
position. For
Gas/Electric
remove “R,” “W1,” “Y1” and “G” wires
from Terminal Strip 2 labeled (TB2).
B. Be sure that the power switch to the Controller is in the “OFF”
position. For
Heat Pumps
remove “R,” “W,” “Y2,” “Y1,” “O/BL”
and “G” wires from Terminal Strip 2 labeled (TB2).
2.
Check wiring of the 5 wire link to the dampers. All connections
must be made color to color.
3.
If you are not using Zonex Systems supplied zone thermostats,
check each one to make sure it is an auto changeover type stat.
Turn all thermostats to the OFF position. Check the Controller
“HEAT” and “COOL” switches to be sure that both are in the “OFF”
position. The “FAN” switch should be in the “AUTO” position. Observe
the fuse on the Controller Board and transformer. Turn the power
switch to “ON.” If the fuse blows, there is a wiring problem. If the
fuse does not blow, turn the “HEAT” switch to “AUTO” and “COOL”
switch to “AUTO.” If the fuse blows at any of these steps, find and
repair the short in the wiring.
4.
If the system is operating normally, the Heat light should be on for
the 101ASSB, and 101AACB-HP. Set the “HEAT” switch to “OFF”.
Check the first zone by turning it on and setting it to call for cool-
ing. If the call is received by the Controller, the “Damper” and
“Cool” lights will turn on. If the lights come on, turn off the first
stat and the “Damper” light should turn off. Test each stat this way
to be sure that each one is capable of communicating with the
Controller, and able to start and stop the air conditioner.
NOTE:
“Heat” and “Cool” Led indicators will toggle every two min-
utes to check opposite mode callers, regardless of heat and cool
switch positions.
5.
After cooling calls are tested, turn the cooling switch to “OFF” and
set the heating switch to “AUTO”. Set the first zone to call for heat.
If the call is received by the Controller, “Damper” and “Heat” lights
will turn on. Test each thermostat to be sure that each properly
communicates with the Controller for the heating sequence.
6.
After all zones have been checked, turn the ON/OFF switch at the
System Controller to OFF.
7.
Before wiring the System Controller to your A/C unit or furnace,
check the relays with a volt meter (set on 200 Ohms). Be cer-
tain no continuity exists on the A/C unit terminal connections at the
System Controller. Check between each terminal to the “R” termi-
nal. There should be no continuity between the terminals. (If you
do show continuity, your System Control board should be replaced.)
8.
If no continuity exists from the test detailed above, connect the
terminal to the A/C unit and the System Controller. Be certain all
thermostats are now in the “OFF” position.
9.
Turn the power switch to “ON” and the “HEAT” and “COOL” switch-
es should be set to “AUTO”. Initiate a call for cooling from only one
stat. After a time delay, both compressor and fan should be running.
Turn off the cooling and initiate a heating call, (you may experience
up to a 4 minute time delay). The heat should come on and after a
short time delay the fan will be operated by the internal controls of
the unit. On the Heat Pump controller, eight minutes on the ini-
tial start of CAPL-2 after stage one starts, the LAS or capacity con-
trol will control second stage operation.
10. After completing the system check and startup procedure, set the
system up for normal operation.
SYSTEM 2000 SYSTEM STARTUP
