4B.2. The Buttons; 4B.3. Set Button; 4B.4: Up Button; 4B.5: Down Button - Quantum 67ACW2-134 Owner's Manual

Owners Manual
4b.2: The Buttons
Use in conjunction with the Layout Diagram Fig 6 and Wiring Diagrams Fig 7&8.
4b.3: SET Button
a) To enter the settings node, press the SET button 3 times; the display will show H60 (or H26)
for water heaters (or pool heaters), this is the water temperature cut out set point. Pressing the
UP or DOWN button will adjust the set point from 10°C to a maximum setting of 90°C for
water heaters (or from 20°C to a maximum setting of 40°C for pool heaters or 55°C for
building heaters).
b) Press & hold SET button for 6 seconds to enter the de-icing mode.
c) If display shows "OFF" press & hold the SET button for 6 seconds to cancel this mode. (Note
this may cause system malfunction so avoid using).

4b.4: UP Button

a) To raise a setting after selecting the required programming mode as in Section 4b.3.
b) Press 3 times to display Axx (the discharge temperature). Push again to display bxx
(evaporator temperature) or again for Cxx (ambient temperature).
c) During the time delay start period, press & hold for 3 seconds to force a compressor start.
When the compressor is running, press & hold for 3 seconds to force a compressor shutdown.

4b.5: DOWN Button

a) To lower a setting after selecting the required programming mode as in Section 4b.3.
b) Press & hold for 3 seconds to simultaneously open the de-ice valve and liquid injection valve;
the valves will close 10 seconds later.
c) When compressor is running, press 3 times to display the Amperage being drawn Cxx.
4b.6: Programming Menu
To restore the digital controllers factory settings, press the SET button and hold while turning the
power onto the system.
To exit any level press the SET button to cycle through all menu items until the controller returns
to the water temperature display once again.

4b.7: Adjusting

To enter any menu,
press the SET button to select the item to be adjusted.
Press Up and Down to do the adjustment.
After finishing the adjustment, press the SET button again to confirm. The screen flashes
once to indicate the adjustment has been updated successfully.
Press the SET button again to enter the next menu or return.
Document Number : QDC0049PD-5
Quantum Energy Technologies
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