Outdoor Fan High Static Pressure Shift; Cooling Priority, Heating Priority Control; Outdoor Unit (Header Unit Only) Setup; Specifications - Toshiba Super MMU-AP0091H Service Manual

7-2-1-1. Outdoor fan High Static Pressure Shift

n Usage/Features
This function is set when connecting a duct to discharge port of the outdoor unit.
n Setup
Turn "Bit 2" of the Dip switch [SW10] on the interface P .C. board of the outdoor unit to ON side. For the outdoor
units which are connected with the ducts, set this function regardless of the header unit or follower unit.
n Specifications
Increase No. of rotations of the propeller fan of the outdoor fan so that a duct with the maximum outside static
pressure 35Pa (3.5mmAq) can be installed. If installing a discharge duct (Below 35Pa (3.5mmAq)) exceeding
the duct resistance 15Pa (1.5mmAq), execute this setup.
Discharge air volume in each outdoor unit is described in the following table.
Capacity rank (MMY-MAP)
Standard air volume of outdoor unit (m³/min.)

7-2-1-2. Cooling Priority, Heating Priority Control

n Usage/Features
Cooling priority or heating priority can be selected.
There are the following four patterns in selecting setup of the priority mode. Select a priority mode based upon
the demand of the destination to be installed.
n Setup
(Note) In "Specific indoor unit priority" mode only, it is necessary to set up an indoor unit only which you desire
to give priority.

1. Outdoor unit (Header unit only) setup

SW11
Bit 1 Bit 2
OFF OFF Heating priority (Setup at shipment)
ON OFF Cooling priority
OFF ON No. of operating units (Priority is given to operation mode with which much more units operate.)
Specific indoor unit priority (Priority is given to operation mode of the indoor unit to which the
ON ON
operation mode priority has been set up.)
0501, 0601 type 0801 type
150
Operation
81
1001, 1201 type
165 175