Daikin RCS - SCU Expansion Module B I;O

Table 9: SCU Expansion Module B I/O
I/O Cong. Code Condition
SCU — Expansion Module B Pos. 1 = 1
Heating, F & BP Dampers
Universal Inputs/Outputs
# DI AI DO AO Point Comments Cong. Code Condition
X 1 X Low Pressure 7 3 = 1 & 4 = G & 21 = 0
X 2 X Low Pressure 8 3 = 1 & 4 = G & 21 = 0
X 3 X High Pressure 7 3 = 1 & 4 = G & 21 = 0
X 4 X High Pressure 8 3 = 1 & 4 = G & 21 = 0
X 5
X 6
X 7 X Heating Valve 2–10 VDC 10 = 1 or 10 = 5
X 7 X SCR 0–10 VDC 10 = 6
X 8 X F & BP Damper 0–10 VDC 3 = 3 or 10 = 1
Digital Outputs — Relay (SPST, Normally Open, 230 VAC 3 Amp)
# Point Comments Cong. Code Condition
DO 1 Heat Stage 1 10 = 2
DO 1 SCR Enable 1 10 = 6
DO 2 Heat Stage 2 10 = 2 & 11 > 1
DO 2 SCR Enable 2 10 = 6
DO 3 Heat Stage 3 10 = 2 & 11 > 2
DO 4 Heat Stage 4 10 = 2 & 11 > 3
Digital Outputs — Triac (24 VAC, 0.5 Amp)
# Point Comments Cong. Code Condition
DO 5 Heat Stage 5 10 = 2 & 11 > 4
DO 6 Heat Stage 6 10 = 2 & 11 > 5
ConTroller InpuTs/ouTpuTs
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