Part Number 020002365 08/25/2015 35
Section 3 Operation
PROGRAM MODE 4
Temporarily cancel display of error codes. Cancelling the
error codes allows circulating glycol temperatures to be
displayed until the error can be corrected.
• Press PGM button for 3 seconds - Display shows 0001.
• Press PGM button three times in less than 3 seconds -
Display shows 0004 program mode 4.
• Wait 3 seconds - Display shows -004 = All error codes
will be displayed during run mode (Factory Default).
• Press COMP/AGIT button once - Display shows ---4 =
error codes will not be displayed during run mode.
NOTE: Disconnecting and reconnecting main power will
reset the control board to the factory setting -004 = Error
codes will be displayed in the run mode.
• Press and hold PGM switch for 3 seconds to save
settings and exit program mode.
PROGRAM MODE 5 G SERIES MODELS
Energy-Saving Program Mode
ERC Control (020001985) - Must be Hardware version 4.0 or
greater, Software version 3.19 or greater.
• Press PGM button for 3 seconds - Display shows 0001.
• Press PGM button four times in less than 3 seconds -
Display shows 0005 program mode 5.
NOTE: If 0005 fails to display, you have an incompatible
version of the ERC control board and this mode is not
available.
• Wait 3 seconds or until the display shows -X-5
• Press COMP/AGIT button to enable/disable energy
savings mode.
A. -o-5 = Energy savings mode enabled
B. ---5 = Energy savings mode disabled
• Press and hold PGM switch for 3 seconds to save
settings and exit program mode. All changes
permanently saved and display will revert back to
normal run mode
ERC Operation in Mode 5
Circulating motor LED will flash once per second if energy
saving PGM mode 5 is enabled. The LED will stay constantly
ON if energy saving PGM mode 5 is disabled.
ERC control monitors all carb motors for entering energy
savings cycle mode. If no carb cycles in 30 minutes, no
ERC error codes or sensors open / shorted, and circulating
temperature = < 3.3°C (38°F), then energy savings cycle
mode will be entered.
NOTE: Display adds “o” to left digit to indicate in energy
savings cycle mode “oxxc” (Centigrade) “oxxF” (Fahrenheit)
1. If circ temp = <2.2°C (36°F), energy savings cycle mode
off time is 10 minutes.
2. If circ temp = <2.8°C (37°F) and >2.2°C (36°F), energy
savings cycle mode off time is 8 minutes.
3. If circ temp = <3.3°C (38°F) and >2.8°C (37°F), energy
savings cycle mode off time is 6 minutes.
4. If circ temp = >3.3°C (38°F), then no energy savings
cycle mode entered.
Agitator and circulator will be turned off when in energy
savings cycle mode off-time.
When energy savings cycle mode off-time is completed,
agitator and circulator motors will be turned on in energy
savings cycle mode on-time.
Motors will stay on until temperature entered is reached:
(<2.2°C (<36°F), >2.2-2.8°C (36-37°F), >2.8-3.3°C (37-38°F)
Energy savings cycle mode will repeat (off time 10, 8, 6
minutes depending on entering temperature, then on
again until entering temperature is reached).
Energy savings cycle mode is exited when:
ū Any carb cycle occurs
ū Any error code occurs
ū Circulating temperature exceeds 3.3°C (38°F)
Display changes to normal run mode, and circulating LED
flashes for controlled ON. System waits for another 30
minute period without carb cycle to enter energy savings
cycle mode again.
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