Panasonic S-28MD1E5 - Connecting Multiple Indoor Units to a Single Solenoid Valve Kit

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WARNING
Loose wiring may cause the terminal to overheat or result in unit malfunction.
A fire hazard may also exist.
Therefore, ensure that all wiring is tightly connected.
When connecting each power wire to the terminal, follow the instructions on “How to Connect Wiring to Terminal” and fasten the wire
securely with the fixing screw of the terminal board.
4-4. Connecting Multiple Indoor Units to a Single Solenoid Valve Kit
● It is possible to connect plural indoor units to one solenoid valve kit. The indoor units can be controlled individually or be operated as
a group.
● It is possible to adopt plural indoor units with a common use of the solenoid valve kit per piece of refrigerant.
● Categories of connected indoor unit capacities are determined by the solenoid valve kit.
Type of solenoid valve kit Total capacity of indoor units (kW)
CZ-P160HR3 5.6 < Total capacity ≤ 16.0
CZ-P56HR3 Total capacity ≤ 5.6
* If the capacity range is exceeded, use two solenoid valves connected in parallel.
Each Method (General) and Conditions
Method 1 Method 2 Method 3
Method
Connecting one indoor unit with
one solenoid valve kit
Group control is possible by
connecting plural indoor units to
one solenoid valve kit.
Indoor units can operate individually
by connecting plural indoor units to
one solenoid valve kit.
Connectable number
of remote controls
1 piece 1 piece Over 2 pieces
Possible operating
functions
Individual control
Group control
* Thermostat On/Off function
is possible only in individual
control (when selecting the body
thermostat).
Individual control available
* Mixed group control available
Possible operating
modes
Cool, Dry, Heating, Auto, Fan Cool, Dry, Heating, Auto, Fan
Cooling, Dry, Heating, Fan
* Auto selection is impossible.
Condition –
• Mixed cooling and heating is
impossible.
• Mixed cooling and heating is
impossible.
• Auto selection is impossible.
Method 1
Indoor unit
Method 1
Indoor unit Indoor unit
Method 2
Indoor unit
Method 3
Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit
Method 3
Solenoid
valve kit
Remote
controller
Solenoid
valve kit
Remote
controller
Solenoid
valve kit
Solenoid
valve kit
Remote
controller
Indoor unit
Solenoid
valve kit
Remote
controller
Remote
controller
Solenoid
valve kit
Remote
controller
Remote
controller
Remote
controller
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