49
CHECKOUT
Inspect all wiring connections at the economizer module’s termi-
nals, and verify compliance with the installation wiring diagrams.
For checkout, review the Status of each configured parameter and
perform the Checkout tests.
NOTE: For information about menu navigation and use of the
keypad see Interface Overview on page 40.
Power Up
After the W7220 module is mounted and wired, apply power.
Initial Menu Display
On initial start up, Honeywell displays on the first line and
economizer W7220 on the second line. After a brief pause, the
revision of the software appears on the first line and the second
line will be blank.
Power Loss (Outage or Brownout)
All set points and advanced settings are restored after any pow-
er loss or interruption.
NOTE: All settings are stored in non-volatile flash memory.
Status
Use the Status menu (see Table 12) to check the parameter val-
ues for the various devices and sensors configured.
NOTE: For information about menu navigation and use of the
keypad, see Interface Overview on page 40.
Checkout Tests
Use the Checkout menu (see page 45) to test the damper opera-
tion and any configured outputs. Only items that are config-
ured are shown in the Checkout menu.
NOTE: For information about menu navigation and use of the
keypad, see Interface Overview on page 40.
To perform a Checkout test:
1. Scroll to the desired test in the Checkout menu using the
▲
and
▼
buttons.
2. Press the
(Enter) button to select the item. RUN?
appears.
3. Press the
(Enter) button to start the test. The unit
pauses and then displays IN PROGRESS. When the test is
complete, DONE appears.
4. When all desired parameters have been tested, press the
(Menu Up) button to end the test.
The Checkout tests can all be performed at the time of installa-
tion or at any time during the operation of the system as a test
that the system is operable.
TROUBLESHOOTING
Alarms
The economizer module provides alarm messages that display
on the 2-line LCD.
NOTE: Upon power up, the module waits 60 minutes before
checking for alarms. This allows time for all the configured devic-
es (e.g. sensors, actuator) to become operational. The exception is
the SAT sensor which will alarm immediately.
If one or more alarms are present and there has been no keypad
activity for at least 5 minutes, the Alarms menu displays and
cycles through the active alarms.
You can also navigate to the Alarms menu at any time.
Clearing Alarms
Once the alarm has been identified and the cause has been re-
moved (e.g. replaced faulty sensor) the alarm can be cleared
from the display.
To clear an alarm, perform the following:
1. Navigate to the desired alarm.
2. Press the
(Enter) button. ERASE? displays.
3. Press the
(Enter) button. ALARM ERASED displays.
4. Press the
(Menu up/Exit) button to complete the
action and return to the previous menu.
If the alarm still exists after clearing it, it is redisplayed within
5 seconds.
WIRING DIAGRAMS
See Fig. 63 and 64 for typical wiring diagrams.
CAUTION
Failure to follow this caution may result in damage to equip-
ment. Be sure to allow enough time for compressor start-up
and shutdown between checkout tests so that you do not short-
cycle the compressors.
Содержание Puron R-410A
Страница 29: ...29 Fig 44 RTU Open Overlay for Economizer Wiring ...
Страница 30: ...30 Fig 45 VFD Overlay for W2770 Controller Wiring ...
Страница 50: ...50 Fig 63 50KC Typical Unit Wiring Diagram Power 06A 208 230 3 60 ...
Страница 51: ...51 Fig 64 50KC Unit Wiring Diagram Control A06 ...
Страница 76: ...76 Fig B Unit Wiring Diagram Controls for Sizes A04 A06 208 230 1 60 208 230 3 60 460 3 60 575 3 60 ...
Страница 77: ...77 Fig C Unit Wiring Diagram Power for Sizes A04 and A06 208 230 1 60 ...
Страница 78: ...78 Fig D Unit Wiring Diagram Power for Size A05 208 230 1 60 ...
Страница 79: ...79 Fig E Unit Wiring Diagram Power for Sizes A04 A06 208 230 3 60 460 3 60 575 3 60 ...
Страница 80: ...80 APPENDIX F MOTORMASTER SENSOR LOCATIONS Fig F 50KC A04 Outdoor Circuiting Fig G 50KC A05 Outdoor Circuiting ...
Страница 81: ...81 Fig H 50KC A06 Outdoor Circuiting ...