User Guide & Service Manual

USER GUIDE
Control Operation - Service 3
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
To access All Errors follow the steps below.
1. Press to select “All Errors”.
2. Press .
3. Press and to scroll through available
information.
To clear the error log press to select “Clear Errors” and
press to confirm.
To exit the Actual Temps menu press to select “Return
to Menu” and press to confirm.
Relay Status
Relay status displays the current state of each relay. While
all available relays are displayed, only a portion are used.
NOTE: The Cond (Condenser Fan) will switch state with
the compressor relay, however the condenser fan is
actually powered through a DC output. Condenser fan
status can be viewed through the “Output” service menu
option.
To access Relay Status
1. Use to select “Relay Status”.
2. Press .
3. Press and to scroll through available
information.
To exit the Relay Status simply press to exit.
Relay Toggle
Relay toggle is used to manually switch the state of each
relay to test for proper operation. In addition to the AC
relays, DC switches may also be toggled. Relay toggle can
also be used to force the unit into a particular state.
To access Relay Toggle
4. Press to select “Relay Toggle”.
ID Description Availability
Mull Mullion Heater Drawer Models
N/A N/A N/A
LVLV Left (top) valve All Models
RVLV Right (bottom) valve All Models
Cond Condenser Fan All Models
Comp Compressor All Models
Up
Select
Down
RETURN TO MENU
RELAY STATUS
MULL COND DEF LVLV
OFF OFF OFF OFF
ID Description Voltage
Mull Mullion Heater (Drawers) AC
N/A N/A N/A
LVLV Left (top) valve AC
RVLV Right (bottom) valve AC
Cond Condenser fan (Not Used) AC
Comp Compressor AC
Fan 1 Left/Top Condenser Fan
(Excludes ZWC)
DC
Fan 2 Condenser Fan DC
Fan 3 Right/Bottom Evaporator Fan
(Excludes ZWC)
DC
Light 1 Left (top) light DC
Light 2 Right (bottom) light DC
Up
Select
Down
RETURN TO MENU
RELAY TOGGLE
MULL OFF
COND OFF
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