Panasonic WH-MDC05J3E5, Service Manual, Page: 139 / 246

139
If Buffer selection is “NO”
Room side
New Target Zone Water Temperature = Current Target Zone Water Temperature * Remote Control Setting
(*Capacity 2) %
(Zone 1 and Zone 2 will change according to it's own target zone water temperature.)
(Max regulation depend on the temperature control type select)
DHW Tank side
New Tank Set Temperature = Tank Set Temperature * Remote Control setting for DHW ("Capacity 2) %
* (Max regulation depends on the tank max setting limit)
** This function is not applicable for Cooling mode.
Setting temperature for cooling is changed.
New Target Water Temperature = Target Water Tempe Remote Control setting for cool (*Capacity 2)
* (Min/Max regulation of cooling water set apply
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.
o
0-10V Demand control
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:
o
Indoor operate the unit according running mode request. Target temperature will follow holiday setting
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]
o
After days of holiday have been set, heat pump will stop and only resume operation at the end of holiday
countdown.

Start condition:
o
Holiday timer set and the holiday timer start
* The day holiday mode was set is counted as day 1.

Stop condition:
o
OFF/ON button is pressed.
o
Holiday timer is reached.