3
Note that if the pump has been off for more than 30 seconds, it will run at high(est) speed for 3 minutes
regardless of selection. This high speed operation helps allow the pump to prime and establish normal
water flow.
Freeze Protection: This function protects the pool, plumbing, and equipment against freeze damage. If
Freeze Protection is enabled and the AIR temperature sensor falls below the preset freeze protection
temperature (see Filter Configuration), the ECOMMAND 4 will turn on the filter pump to circulate the
water.
Lights, Aux1 and Aux2 Outputs
Standard Relay: Manual operation of all 3 relays is identical. Assuming that the relay is currently off,
simply press the appropriate button to turn on the relay. If the relay does not turn on, it probably is due to
the “interlock” feature (which was set up in the Configuration Menu) being activated that requires the filter
pump to be running and the valves to be in the pool-only position. This protects pumps and other equip-
ment from possible damage. If the controlled output is on, pressing the appropriate button again will turn
off the relay. Manual turn off is disabled if the “Freeze Protection” feature is enabled and the air tempera-
ture is less than the selected freeze temperature threshold.
Dimmer Relay: If Lights or an Aux output is configured as a dimmer, pressing the corresponding button
will generate a temporary display which shows the dimmer output level (Off - On 100%). Pushing the “+”
or “-” button changes the level in increments of 20%. When the desired output level is displayed, press the
corresponding button again to turn off the display and return to normal operation. When the Lights or Aux
output comes on again (either manually or automatically), the dimmer output level will be the same as the
last time that it was set.
Pool/Spa Valves
Pool-only or spa-only systems: The POOL/SPA button has no function.
Pool and Spa systems without spa spillover: In pool-only mode, the left LED next to the POOL/SPA
button is illuminated. Pressing the POOL/SPA button will switch the ECOMMAND 4 to spa-only opera-
tion (right LED illuminated). Pressing the POOL/SPA button again will switch back to pool-only. Note
that the filter pump will turn off while the pool/spa valves are turning.
Pool and Spa systems with spa spillover: In pool-only mode, the left LED next to the POOL/SPA
button is illuminated. Pressing the POOL/SPA button will switch the ECOMMAND 4 to spa-only opera-
tion (right LED illuminated). Pressing the POOL/SPA button again will switch to spa spillover operation
(both LED’s illuminated). Pressing the POOL/SPA button again will switch back to pool-only. Note that
the filter pump will turn off while the pool/spa valves are turning.
Service
The main unit keypad has a SERVICE key. This button is used primarily during servicing of the pool
equipment. If you want to completely disable the automatic operation and operate the system manually,
you can put the system into Service or Service-Timed mode by pressing the SERVICE button. Pressing
the SERVICE button once will switch the system into service mode which means that all automatic func-
tions are disabled, and the remote display/keypads are disabled (except for manual turn off for emergen-
cies). The red SERVICE LED will be illuminated and the ECOMMAND 4 will remain in this mode of
operation until manually taken out of service mode.
Pressing the SERVICE button again will cause the ECOMMAND 4 to switch to service-timed mode
which is very similar to service mode, except that the ECOMMAND 4 will automatically return to normal
operation after 3 hours. During service timed operation, the “Service” LED will flash and the time remain-
ing will be displayed on the remote display/keypad(s).
Pressing the SERVICE button again, will return the ECOMMAND 4 to normal (automatic) operation.
See Troubleshooting/Diagnostic Information (page 23) for more information about the service modes.
24
Troubleshooting and Diagnostic Information
The ECOMMAND 4 provides 2 different tools to aid in troubleshooting any problems that may occur in
your pool and/or spa system. The Service mode will allow you to disable automatic operation and manu-
ally control most of the equipment (the heater and general purpose Valve3 output are the exceptions). The
Diagnostic Menu will provide some detailed information regarding system operation.
While both of the features are primarily intended for the use of the professional service technician, their
function is fully explained below. .
Service Mode
The main unit keypad has a SERVICE button that is used primarily during servicing of the pool equipment.
If you want to completely disable the automatic operation and operate the system manually, you can put
the system into Service or Service-Timed mode by pressing the “Service” button. Pressing the “SER-
VICE” button once will switch the system into service mode which means that all automatic functions are
disabled, the optional remote display/keypads are disabled (except for manual turn off for emergencies).
The outputs can be manually controlled by pressing the buttons on the local display/keypad. The red
“SERVICE” LED will be illuminated and the ECOMMAND 4 will remain in this mode of operation until
manually taken out of service mode.
Pressing the “SERVICE” button again will cause the ECOMMAND 4 to switch to service-timed mode
which is very similar to service mode, except that the ECOMMAND 4 will automatically return to normal
operation after 3 hours. During service timed operation, the “SERVICE” LED will flash and the time
remaining will be displayed on the remote display/keypad(s).
Pressing the “SERVICE” button again, will return the ECOMMAND 4 to normal (automatic) operation.
Check System Indicator
The “CHECK SYSTEM” LED will alert you when the ECOMMAND 4 detects any of the following
conditions that are abnormal and require attention for optimal operation of your pool. Press “<“ or “>” to
view all of the existing “Check System” conditions.
• Water Sensor -- If the water sensor is either an open or short circuit.
• Air sensor -- If the freeze protection feature is enabled (Configuration Menu/ Filter Config.) and the air
sensor is either an open or short circuit.
• Solar Sensor -- If the solar sensor is either an open or short circuit.
• External Chlorinator Comm Error -- If the external chlorinator is enabled and the Aqua Rite or
Swimpure is not responding.
• Pool Bridge Comm -- If variable speed is selected for the Pool Filter and the VSC interface is not
responding.
• Pool VSC Comm -- If variable speed is selected for the Pool Filter and the Hayward VSC is not
responding.
• Pool VSC Err: x -- If variable speed is selected for the Pool Filter and the Hayward VSC is indicating
and error. x is the same decimal error displayed by the VSC itself.
For helpful troubleshooting information on any of these issues, go to the Diagnostic Menu and then scroll
through the various items until you see the cause for the “CHECK SYSTEM” LED being illuminated.
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