9.0Commissioning Procedure
●Fill and vent the system.
●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.
●Check for leaks at pipe connections.
●Refit the outer case and secure using the 2 fixing screws.
●Change switch position (see fig. 3).
●Refit cover.
●Switch on electrical supply.
Displayed Temperature Calibration
● Switch on electrical supply. |
| Depending on the location of the unit there may be a difference | ||
| between the temperature at the unit and the temperature in the | |||
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● Check the operation of the unit in automatic and manual | middle of the room being heated. |
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modes by following the operating instructions. | The displayed temperature calibration function enables | |||
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● When installation and commissioning are complete, hand over | calibration in heating mode of the displayed temperature to the | |||
instruction manual to |
| actual room temperature using the following procedure: | ||
Heat Pump Applications - Low Water Set Point | ● Press the ‘On/Off’ key and ‘+’ key for 5 seconds (the display | |||
will flash, alternating between ‘ro’ and the calibration | ||||
Adjustment Heating Mode |
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| temperature. |
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The low limit water set point is factory set to 43°C, but for | ● Calibrate the displayed room | temperature by using the | ||
‘+’ and | ||||
systems such as those with heat pumps, a lower water set point | ||||
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may be required. The set point can be adjusted using the set | ● Press the ‘On/Off’ key to finish |
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point dip switch located on the control board. |
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● Isolate electrical supply. |
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● Remove outer cover. |
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Switch |
| Switch Down | Switch Up | |
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1 | Water Stat Set Point | 32°C | 43°C | |
2 | Heating | Heating | Do not use | |
3 | Not Used |
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4 | Temperature Display | °F | °C | |
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8.0
9.0
Fig. 3
