Mitsubishi Electric City Multi PEFY-P06NMAU-E4, Техническое и сервисное руководство

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VII
Microprocessor Control ]
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HWE20150 GB
(1) Turning on the heater with the fan setting set to OFF requires that the DIP S/W and connectors on the indoor units are set on
site.
Fan control
*1 Heater will not operate during all error modes.
*2 The fan speed in the Heating Thermo-OFF mode depends on the settings of DIP-SW 1-7 and 1-8. Refer to VIII-[1]-5-1
Function setting.
*3 While the heater is on, the fan will operate at high speed regardless of the fan setting on the remote controller.
*4 The fan speed depends on the settings of the remote controller. The heater turns on regardless of the fan speed.
*5 The fan stops and the heater turns off, depending on the type of error.
(2) Back-up heating will not be performed when the heater turns on while demand control is performed (not a request item).
(3) This is applicable only to the R410 series. Make the settings for the following dip switches on the outdoor unit control board
before switching on the power.
2. PAC-YU25HT (Optional Parts) installation
The following section describes installation of the External Heater Adapter that connects to CITY MULTI air conditioner R410A
series indoor unit. This products is the special wiring parts to drive an electric heater with the air conditioner.
(1) Parts list
 Check that the following parts are included in the package.
1) External output cable.............................2 in total
Two types of cables with different connectors are included.
2) Panel heater connector..........................3 in total
White: 1
Green: 2 (2 types)
Pattern
CN22 for
FAN control
(PAC-YU25HT)
DIP
SW3-2
(Indoor
unit)
DIP
SW3-4
(Indoor
unit)
in error *1 *5 in defrost
All modes other than
defrost and error
Fan Heater Fan Heater Fan Heater
1
Disabled
ON
OFF FAN ON *2 OFF Stop OFF High *3 ON
2 ON
High
(DIP SW1-7: ON
and SW1-8: OFF)
or
(DIP SW1-7: OFF
and SW1-8: ON)
ON
High
(DIP SW1-7: ON
and SW1-8: OFF)
or
(DIP SW1-7: OFF
and SW1-8: ON)
ON
In heating Thermo-Off
Fan Heater
High
(DIP SW1-7: ON
and SW1-8: OFF)
or
(DIP SW1-7: OFF
and SW1-8: ON)
ON
Very low
(DIP SW1-7: OFF
and SW1-8: OFF)
STOP
(DIP SW1-7: ON and
SW1-8: ON)
OFF
Very low
(DIP SW1-7: OFF
and SW1-8: OFF)
STOP
(DIP SW1-7: ON and
SW1-8: ON)
OFF
Very low
(DIP SW1-7: OFF
and SW1-8: OFF)
STOP
(DIP SW1-7: ON
and SW1-8: ON)
OFF
3
Enabled
OFF FAN ON *2 OFF Stop OFF
*4
ON
4 ON FAN ON *2 ON Stop ON
* If a heater is installed in the duct, do not use CN22. By doing so, the fan will turn off when the heater is on,
which may result in fire.