Mitsubishi Electric PEFY-P15VMS1-E [12/21] External i o specifications

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[Fig. 9.5.1] (P.5)

A SWA B SWC

C SW1 D SW11

E SW12 F SW14

9.6. Setting addresses

(Be sure to operate with the main power turned OFF.)

[Fig. 9.5.1] (P.5)

A SWA B SWC

C SW1 D SW11

E SW12 F SW14

• There are two types of rotary switch setting available: setting addresses 1 to 9

and over 10, and setting branch numbers.

1 How to set addresses

Example: If Address is “3”, remain SW12 (for over 10) at “0”, and match

SW11(for 1 to 9) with “3”.

2 How to set branch numbers SW14 (Series R2 only)

The branch number assigned to each indoor unit is the port number of the

BC controller to which the indoor unit is connected.

Leave it to “0” on the non-R2 series of units.

• The rotary switches are all set to “0” when shipped from the factory. These

switches can be used to set unit addresses and branch numbers at will.

• The determination of indoor unit addresses varies with the system at site. Set

them referring to the Data Book.

9.7. Sensing room temperature with the

built-in sensor in a remote controller

If you want to sense room temperature with the built-in sensor in a remote control-

ler, set SW1-1 on the control board to “ON”. The setting of SW1-7 and SW1-8 as

necessary also makes it possible to adjust the air flow at a time when the heating

thermometer is OFF.

Note:

•To perform the auto cooling/heating operation, use the built-in sensor in

a remote controller or the optional remote sensor.

9.4. External I/O specifications

Caution:

1. Wiring should be covered by insulation tube with supplementary insula-

tion.

2. Use relays or switches with IEC or equivalent standard.

3. The electric strength between accessible parts and control circuit should

have 2750 V or more.

9.5. Selecting the external static pressure

As the factory setting is for use under an external static pressure of 15 Pa, no

switch operation is needed when using under the standard condition.

External static pressure Switch operation

5 Pa

15 Pa

35 Pa

50 Pa

SWA

SWC

Mitsubishi Electric PEFY-P15VMS1-E [12/21] External i o specifications

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