89
RTAA-IOM-3
Figure 48
RTAA Control Panel –
240 to 300 Tons
LEGEND:
Device
Designation Description
1F1-6 Fan Fuses, Circuit 1
1F7-12 Fan Fuses, Circuit 2
1F15 Control Circuit Fuse
1F16, 1F17 Primary Transformer
Fuses
1K1, 1K2 Start Contactors, Circuit 1
1K3, 1K4 Start Contactors, Circuit 2
1K9-12 Fan Contactors, Circuit 1
1K13-16 Fan Contactors, Circuit 2
1S1, 1S2 Non-fused Disconnect
Switch
1T1 Control Power
Transformer
1T2 Under/Over Voltage
Transformer
1T3-8 Compressor Current
Transformer, Circuit 1
1T9-14 Compressor Current
Transformer, Circuit 2
1TB1,1TB2 Line Voltage Terminal
Blocks
1TB3,1TB4 Terminal Strip, 115 V
1U1 Chiller Module
1U2 Options Module
1U3 Expansion Valve Module
1U4 Compressor Protection
Module, Compressor A
1U5 Compressor Protection
Module, Compressor B
1U6 Compressor Protection
Module, Compressor C
1U8 Slave Expansion Valve
Module
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