EDM SYSHP MINI DCI

Abbreviaons:

T5: DHW tank water temperature

T5S: DHW set temperature

T5stop: DHW mode leaving water temperature operang limit

t_DHWHP_MAX sets the maximum length of me that the heat pump will run in DWH

mode before switching to space heang mode or space cooling mode if a requirement

for space heang/cooling modes exists. When running in DHW mode, the heat pump

becomes available for space heang/cooling either as soon as the DHW tank water

temperature (T5) reaches the DHW set temperature (T5S) or aer t_DHWHP_MAX

minutes have elapsed.

t_DHWHP_RESTRICT sets the maximum length of me that the heat pump will run in

space heang or space cooling modes before switching to DHW mode, if a requirement

for DHW mode exists. When running in space heang mode or space cooling mode,

the heat pump becomes available for DHW mode either as soon as the space heang/

To enter the DHW PRIORITY menu, navigate to the DHW MODE SETTING menu, scroll to YES on the DHW PRIORITY line and

press OK.

cooling set temperatures have been reached (refer to Part 3, 7.5 “COOL MODE SETTING Menu” and Part 3, 7.6 “HEAT MODE

SETTING Menu”) or aer t_DHWHP_MAX minutes have elapsed.

Figure 3-7.13 illustrates the eects of t_DHWHP_MAX and t_DHWHP_RESTRICT when DHW PRIORITY is enabled. The heat

pump inially runs in DWH mode. Aer t_DHWHP_MAX minutes, T5 has not reached the minimum of T5S and Tstop and the

heat pump run in space heang or space cooling modes. Aer t_DHWHP_restrict minutes have elapsed, the heat pump switch

to DHW mode.

7.4.6 DHW PUMP MENU

MENU > FOR SERVICEMAN > DHW MODE SETTING > DHW PUMP

To enter the DHW PUMP menu, navigate to the DHW MODE SETTING menu, scroll to

YES on the DHW PUMP line and press OK.

A DHW pump can be used to circulate the water in the DHW piping system.

TIMER RUNNING sets whether or not the user is able to set pump start mes on the

DHW PUMP tab of the DOMESTIC HOT WATER (DHW) menu. For installaons with a

Figure 3-7.14: DHW PUMP menu

DHW pump, select ON so that the user is able to set pump start mes. For installaons without a DHW pump, select OFF to

hide the start me opons on the DHW PUMP tab of the DOMESTIC HOT WATER (DHW) menu.

Figure 3-7.12: DHW PRIORITY menu

Figure 3-7.13: Operaon in DHW PRIORITY

Time

Restart

Heang

water

Space heating/

cooling

operation

Heang

water