07
LO-LINE RC & LO-LINE RC Heater Cooler
9.0 Commissioning Procedure
G
Fill and vent the system.
G
Open both valves fully and vent air from the heat exchanger
by unscrewing the air bleed valve situated above the valves in
the angled top of the chassis.
G
Check for leaks at pipe connections.
G
Refit the outer case and secure using the 2 fixing screws.
G
Switch on electrical supply.
G
Check the operation of the unit in automatic and manual
modes (LO-LINE) or heating and cooling modes (LO-LINE
Heater-Cooler) by following the operating instructions.
G
When installation and commissioning are complete, hand over
instruction manual to end-user.
Heat Pump Applications - Low Water Set Point
Adjustment Heating Mode
The low limit water set point is factory set to 43°C, but for
systems such as those with heat pumps, a lower water set point
may be required. The set point can be adjusted using the set
point switch located on the control board.
G
Isolate electrical supply.
G
Remove outer cover.
G
Change switch position (see fig. 4)
G
Refit cover.
G
Switch on electrical supply.
Displayed Temperature Calibration
This function enables calibration of the displayed temperature
to the actual room temperature using the following procedure:
G
Press the ‘On/Off’ key and ‘+’ key for 5 seconds (the display
will flash, alternating between ‘ro’ and the calibration
temperature.
G
Calibrate the displayed room temperature by using the
‘+’ and ‘-’ keys.
G
Press the ‘On/Off’ key to finish
Dipswitches
Fig. 4
Switch
Switch Down
Switch Up
1
Water Stat Set Point
32°C
43°C
2
Heating / Cooling
Heating & Cooling
Heating
3
Not Used
4
Temperature Display
°F
°C
8
.0
9
.0
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