Demand Control (Optional Pcb); Holiday Mode - Panasonic WH-UD05JE5 Service Manual

14.28 Demand Control (Optional PCB)

Remote control setting:

When Optional PCB connection select 'YES", Demand Control function can select "YES" or "NO".
Purpose:

After the demand control select YES, below control will activated.
0-10V Demand control
o
0-10V Demand control

Demand control is use to reduce the current usage of heat pump unit by third party device.
Control start condition:

Select "YES" at Demand control at installer menu.

0-10V input for this electrical current control is detected.
Control content:

If start condition is fulfilled, indoor will receive the voltage signal from optional PCB. Indoor will send the rate
value to outdoor unit.

Outdoor will change the current limit according to the percentage receive from indoor unit.

14.29 Holiday Mode


Purpose:
Promotes energy saving by allowing the user to stop the system during holiday and enables the system to
resume at the preset temperature after holiday.

Control details:
Indoor operate the unit according running mode request. Target temperature will follow holiday setting
o
temperature.
 If heat mode request is receive, Target Water Out Temperature will change according to holiday shift
temperature set.
[If heat is set OFF at holiday, unit, water pump and zone control will OFF]
 If tank mode request is receive, Target Tank Set Temperature will change according to the holiday tank
shift temperature set.
[If tank is set OFF at holiday, heat pump and tank heater will OFF]
After days of holiday have been set, heat pump will stop and only resume operation at the end of holiday
o
countdown.

Start condition:
Holiday timer set and the holiday timer start
o
* The day holiday mode was set is counted as day 1.

Stop condition:
OFF/ON button is pressed.
o
Holiday timer is reached.
o
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