Johnson Controls YVAHP0721CW Series, Руководство по обслуживанию

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SM-16007
5-7
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
(2) By pressing PSW2 or PSW4, the input/output terminal name is changed.
The following shows the display changes when PSW2 or PSW4 is pushed.
(4) After selecting the Control Function No., turn OFF DSW4-No.6. The display will be back to the normal
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The selected data is stored in the outdoor unit PCB and the “External Input and Output Setting” is
completed. The stored data is maintained even when the power source is cut OFF. Refer to Table 5.1
below for the details for the electrical wiring connection and the required parts.
If an alternative setting is required at a site, perform the following procedures.
For a combination of outdoor units, perform the setting for outdoor unit A.
(1) By selecting “External Input and Output Setting”, the following appears on the 7-segment display.
(The setting should be performed during an outdoor unit stoppage. Also, set DSW4-No.4 of the
outdoor unit PCB to the “ON” side before performing the setting in order to prevent the compressor
activation.)
This display indicates Control Function No. 1 (Fixed Heating Operation Mode) is set at input 1.
SEG2 SEG1
Input/Output Terminal Name Control Function No.
(3) After selecting the Input/Output Terminal Name, press PSW3 or PSW5, and then choose the Control
Function No.
By pressing PSW3, the number increases by 1.
By pressing PSW5, the number decreases by 1.
(Control Function No.14
Press PSW3 return to 0)
Ɣ Settings for External Input and Output
Input Terminal
Name 1
Input Terminal
Name 2
Input Terminal
Name 3
Output Terminal
Name 1
Output Terminal
Name 2
PSW2
ON
PSW4
ON
Current setting function is indicated as
Control Function No.
(The figure is for setting at the factory.)