York YCAL0014 - Figure 1: Single Point Supply Connection; Figure 2: Multiple Point Power Supply Connection

JOHNSON CONTROLS
94
Power Wiring
FIG. 1 – STANDARD POWER SUPPLY WIRING – (YCAL 0014 - 0080)
Figure 2: Multiple Point Power Supply Connection – Terminal Block (YCAL0107-
00253)
Power Panel Control Panel
Terminal
Block1
Terminal
Block2
1L1 1L2 1L3
2L1 2L2 2L3
GRD GRD
MICROPANEL
2
L
CTB2
13 14
CTB1
Field Provided Unit Power Supply
Field Provided 120-1-50
Micropanel Power Supply if Control
Transformer not Supplied
Flow Switch
See electrical note 9
Power Panel Control PanelPower Panel Control Panel
Terminal
Block1
Terminal
Block2
1L1 1L2 1L31L1 1L2 1L3
2L1 2L2 2L32L1 2L2 2L3
GRDGRDGRD GRDGRDGRD
MICROPANEL
2
L
CTB2
2
L
CTB2
13 1413 14
CTB1
Field Provided Unit Power Supply
Field Provided 120-1-
Micropanel Power Supply if Control
Transformer not Supplied
Flow Switch
See electrical note 9
Figure 1: Single Point Supply Connection – Terminal Block, Non-Fused
Disconnect Switch or Circuit Breaker (YCAL0043-0253)
Power Panel Control Panel
Terminal Block,
NF Disconnect SW
or Circuit Breaker
1L1 1L2 1L3
GRD
MICROPANEL
2
L
CTB2
13 14
CTB1
Field Provided Unit Power Supply
Field Provided 120-1-50
Micropanel Power Supply if Control
Transformer not Supplied
Flow Switch
See electrical note 9
Power Panel Control PanelPower Panel Control Panel
Terminal Block,
NF Disconnect SW
or Circuit Breaker
1L1 1L2 1L31L1 1L2 1L3
GRDGRDGRD
MICROPANEL
2
L
CTB2
2
L
CTB2
13 1413 14
CTB1
Field Provided Unit Power Supply
Field Provided 120-1-
Micropanel Power Supply if Control
Transformer not Supplied
Flow Switch
See electrical note 9
Note: Field wiring by others in accordance with (IAW) National Electrical Code (NEC) and all applicable local codes.