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Minimum default maximum – Heat Controller Water Source Heat Pump User Manual

Page 63

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WattMaster WHP

Section 3

Programming

3-15

Setpoint Screen #5

Setpoint Screen #6

Setpoint Screen #7

WHP #1 Setpoints

Min Run Time: x Min

Min Off Time: x Min

Min Cycle...:xx Min

The Min Run Time determines how long the compressor
must remain on once it has been activated. The Min Off Time
determines how long the compressor must remain off once it
is de-activated. The Min Cycle time determines how many
times per hour the compressor can be started. If you entered
10 minutes, the compressor could start a maximum of 6 times
in a one hour period.

Minimum

Default

Maximum

Min Run Time

0 Min

1 Min

20 Min

Min Off Time

0 Min

6 Min

20 Min

Min Cycle

0 Min

12 Min

60 Min

WHP #1 Setpoints

Changeover Delay

Between Heat/Cool

Modes......:xx Min.

To prevent rapid cycling between heating and cooling modes,
you can enter a time period that must be satisfied before the
changeover can occur.

Minimum

Default

Maximum

Changeover Delay

1 Min

30 Min

60 Min

WHP #1 Setpoints

Enable Signal Select

NO ENABLE REQUIRED

Use Left/Right Arrow

Normally you would want to have an Enable Signal that gave
assurance of water flow before you activate the heat pumps
compressor. If you need to operate without this enable signal,
use the arrow keys to select the NO ENABLE REQUIRED
message. Otherwise, select the LOOP FLOW REQUIRED
message so that the signal must be present for the compressor
to run.