Electra DELTA 25, Service Manual

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11-12
CONTROL SYSTEM
Revision Y05-01 Service Manual - Delta DCI
11.11.2 Outdoor Unit Controller
JP9 JUMPER LAYOUT
EEPROM Data (PIN 9) ODU3 (PIN 7) ODU2 (PIN 5 ) ODU1 (PIN 3 ) ODU0 (PIN 1)
GND (PIN 10) GND (PIN 8) GND (PIN 6) GND (PIN 4) GND (PIN 2)
ODU MODEL SELECTION
ODU3 ODU2 ODU1 ODU0 ODU Model
OFF OFF OFF OFF Reserved
OFF OFF OFF ON (PIN1 & PIN2) A (Single DCR 20)
OFF OFF ON (PIN3 & PIN4) OFF B (Single DCR 25)
OFF OFF ON (PIN3 & PIN4) ON (PIN1 & PIN2) C (Single DCR 35)
OFF ON (PIN5 & PIN6) OFF OFF D
OFF ON (PIN5 & PIN6) OFF ON (PIN1 & PIN2) E (Duo DCI 50)
OFF ON (PIN5 & PIN6) ON (PIN3 & PIN4) OFF F
OFF ON (PIN5 & PIN6) ON (PIN3 & PIN4) ON (PIN1 & PIN2) G
ON (PIN7 & PIN8) OFF OFF OFF H
ON (PIN7 & PIN8) OFF OFF ON (PIN1 & PIN2) I
ON (PIN7 & PIN8) OFF ON (PIN3 & PIN4) OFF J
ON (PIN7 & PIN8) OFF ON (PIN3 & PIN4) ON (PIN1 & PIN2) K
ON (PIN7 & PIN8) ON (PIN5 & PIN6) OFF OFF L
ON (PIN7 & PIN8) ON (PIN5 & PIN6) OFF ON (PIN1 & PIN2) M
ON (PIN7 & PIN8) ON (PIN5 & PIN6) ON (PIN3 & PIN4) OFF N
ON (PIN7 & PIN8) ON (PIN5 & PIN6) ON (PIN3 & PIN4) ON (PIN1 & PIN2) O
11.12 Test Mode
11.12.1 Entering Test Mode
System can enter Test mode in two ways:
•
Automatically when the following conditions exists for 30 minutes continuously:
o
Mode = Cool, Set point = 16, Room temperature = 27±1, Outdoor temperature =
35±1
Or
o
Mode = Heat, Set point = 30, Room temperature = 20±1, Outdoor temperature =
7±1
•
Manually when entering diagnostics with the following settings:
•
o
Mode = Cool, Set point = 16
o
Mode = Heat, Set point = 30
11.12.2 Unit Operation in Test Mode
In test mode, the unit will operate in fixed settings according to the indoor fan speed setting:
Indoor Fan Speed Setting Unit Setting
Low Minimum Capacity Setting
High Nominal Capacity Setting
Auto Maximum Capacity Setting
During test mode, protections are disabled, except for stop compressor status.