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CHECKOUT TESTS
Use the Checkout menu (see Table 6) to test the damper operation
and any configured outputs. Only items that are configured are
shown in the Checkout menu.
NOTE: See User Interface for information about menu
navigation and use of the keypad.
To perform a Checkout test:
1.
Scroll to the desired test in the Checkout menu using the ▲
and ▼ buttons.
2.
Press the
button to select the item.
3.
RUN? appears.
4.
Press the
button to start the test.
5.
The unit pauses and then displays IN PROGRESS.
6.
When the test is complete, DONE appears.
7.
When all desired parameters have been tested, press the
(Menu Up) button to end the test.
Fig. 33 — W7220 Economizer Module Terminal Connection Labels
MAT
MA
MAT
MA
OAT
OA
OAT
OA
S-BUS
SB
SB
S-BUS
SB
SB
SB
SB
V
IAQ 2-10
C
R
IAQCOM
IAQ 24V
V
C
ACT 2-10
R
NA
ACT COM
ACT 24V
50040839-001
Rev. G
19
Checkout test can be performed at any time during the operation
of the system as a test that the system is operable.
CAUTION
Failure to follow this caution may result in damage to
equipment. Be sure to allow enough time for compressor
startup and shutdown between checkout tests so that you do
not short-cycle the compressors.
SETUP AND CONFIGURATION
W7220 Economizer Module Wiring
Use Fig. 33 and Tables 7 and 8 to locate the wiring terminals for
the economizer module.
NOTE: The four terminal blocks are removable. You can slide out
each terminal block, wire it, and then slide it back into place.
NA
AUX2-
NA
OCC
A2
OCC
E-GND
EXH1
EX
A1
AUX1-O
Certified FDD Product
California Title 24, Part 6
HJW10
www.energy.ca.gov
Y2-
Y2I
Y2O
Y2-O
Y1I
Y1-
Y1O
Y1-O
C
R
C
R
50048848-002
Rev. A
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