Catalogue

RLC-PRC029-EN 11 5
Electrical Connection
Table 60. RTWD/RTUD Connection Diagram Notes
#Description Additional Information
1 Line voltage entrance (see unit nameplate) location
2 Power section location
3 Controls section location
4 Customer control power high voltage entrance location
5 Customer control power low voltage entrance location
6 Condenser and chilled water flow inputs. optional 1A15, (5K10 and 5K9)
7
Condenser and chilled water pump relay outputs.
Separate 115/60/1or 220/50/1 customer power is required.
optional 1A14, (5K10 and 5K9)
8
Unit status programmable relay outputs.
Separate 115/60/1or 220/50/1 customer power is required.
optional 1A13, (5K12–5K19)
9
Ice making status relay output.
Separate 115/60/1or 220/50/1 customer power is required.
optional 1A12, (5K11)
10 External auto stop and emergency stop inputs. standard 1A5, (5K23 and 5K24)
11 External circuit lockout inputs circuit 1 and circuit 2. standard 1A6, (5K21 and 5K22)
12 External current-limit and chilled water setpoint or hot water inputs. optional 1A7, (4-20 mA or 2-10 V)
13 Condenser control and compressor % RLA input. optional 1A8, (4-20 mA or 0-10 V)
14 Tracer Communications optional 1A9
15 Ice machine control and heat mode control. optional 1A10, (5K20 and 5K25)
16 Circuit 1 disconnect optional 1A6
17 Circuit 2 disconnect optional 1A6
18 Wye-delta closed transition starter or across-the-line starter circuit 1A location
19 Wye-delta closed transition starter or across-the-line starter circuit 2A location
20
Refer to RTWD/RTUD electrical schematic for specific electrical connection
information and notes pertaining to wiring installation.
21 RTWD condenser control optional 1A8
22 Outdoor air temperature sensor optional (RTWD)