121JOHNSON CONTROLS
FORM NO.: 6U6K-B01E-NB-EN
DIGITAL/PWM OUTPUTS AND COMMUNICATIONS
Table 40 is a quick reference list providing the description of the outputs and communication ports. All output and communication
connections pertain to the connections at the microboard.
TABLE 40 – OUTPUTS AND COMMINICATIONS DEFINITIONS
RUNNING STATUS
The HMI allows the user to retrieve system and unit information that is useful for monitoring unit operation, diagnosing potential
problems, troubleshooting, and commissioning the unit. Refer to the Optiview LT operation section for more information.
Notes
①
.Only applicable for rst unit in modular applications;
②
.N: Not applicable.
③
. Large models (160 to 260 kW) are regarded as two units combined: 160/200 kW: 3 (2+1) systems, 230/260 kW: 4 (2+2) systems.
SECTION 10 – SERVICE AND TROUBLESHOOTING
Port Definition
Heat
Pump
Cooling
Only
Heat
Pump
Cooling
Only
Heat
Pump
Cooling
Only
DIGITAL OUTPUTS
DO1 SYS1 fan motor Y Y Y YYY
DO3 SYS1 compressor 1 Y Y Y YYY
DO4 SYS1 compressor 2 Y Y N ② N Y Y
DO5 Y Y Y YYY
DO6 Y Y Y YYY
DO7 Y Y Y YYY
DO8
①
Y Y Y YYY
DO9
①
Y N Y N Y N
DO10 Y Y Y YYY
DO11 SYS2 fan motor N N Y YYY
DO13 SYS2 compressor 1 N N Y YYY
DO14 SYS2 compressor 2 N N Y YYY
DO15 SYS1 four way valve Y N Y N Y N
DO16 SYS2 four w
ay valve N N Y N Y N
DO17 Y Y Y YYY
PWM OUTPUTS
CON501 SYS1 EEV Y Y Y YYY
CON502 SYS2 EEV N N Y YYY
COMMUNICATIONS (RS-485)
CON201 HMI Y Y Y YYY
CON202 Y Y Y YYY
CON203 FCU ① Y Y Y YYY
CON204 Modular connection Y Y Y YYY
CON205 BAS ① Y Y Y YYY
CON206 EC fan Y Y Y YYY
0045-0065 0080-0100 0130
Water pump
Auxiliary heater
BPHE heater
Compressor heater
Alarm output
Driver cooling fan
Water valve
Compressor driver
Cooke Industries - Phone: +64 9 579 2185 Email: sales@cookeindustries.co.nz Web: www.cookeindustries.co.nz
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