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Checkout Tests
Use the Checkout menu to test the damper operation and
any configured outputs. See Table 8. 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.
Checkout test can be performed at any time during the
operation of the system as a test that the system is
operable.
CAUTION
!
EQUIPMENT DAMAGE HAZARD
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 9 and 10 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.
MAT
MA
MAT
MA
OAT
OA
OAT
OA
S-BUS
SB
SB
S-BUS
SB
SB
SB
SB
V
IAQ 2-10
C
R
IAQ COM
V
IAQ 24V
C
R
ACT 2-10
NA
ACT COM
ACT 24V
50040839-001
Rev. G
Fig. 33 - W7220 Economizer Module Terminal
Connection Labels
Table 9 – Economizer Module - Left Hand Terminal
Blocks
Label
Type
Top Left Terminal Block
20k NTC
Mixed Air Temperature Sensor
MAT
and COM
(Polarity insensitive connections)
OAT
20k NTC
Outdoor Air Temperature Sensor
and COM
(Polarity insensitive connections)
S- BUS
S- BUS
Enthalpy Control Sensor
(Sylk BUS)
(Polarity insensitive connections)
Bottom Left Terminal Block
IAQ 2- 10
2- 10 VDC
Air Quality Sensor Input (e.g. CO2
sensor)
IAQ COM
COM
Air Quality Sensor Common
IAQ 24
24 VAC
Air Quality Sensor 24 VAC Source
ACT 2- 10
2- 10 VDC
Damper Actuator Output (2- 10 VDC)
ACT COM
COM
Damper Actuator Output Common
ACT 24
24 VAC
Damper Actuator 24 VAC Source
24
NA
AUX2-
NA
A2
OCC
OCC
E-GND
EXH1
EX
A1
AUX1-O
Cert
Product
California Title 24, Part 6
HJW10
www.energy.ca.gov
Y2I
Y2-
Y2O
Y2-O
Y1I
Y1-
Y1O
C
Y1-O
R
C
R
50048848-002
Rev. A
Description
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