Johnson Controls YZ - Purge panel enclosure and schematics for 50 Hz

Purge panel enclosure and schematics for 50 Hz
Figure 23: Purge panel enclosure and schematics for 50 Hz
LD23463
1
2
3
A
B
C
D
G
N
WHT
4
2
3
5
1
BOT.
TOP
FU1
15A
4
2
3
5
1
4
2
3
5
1
1
1
1
N
PE
G
GRN/YEL
L
L
2
2
2
34
29
2
29
34
165
SUP
SUP
SUP
BOX
GND
P-VSD
P-OV
165
PE
GRN/YEL
TO PURGE CONDENSING UNIT
TO PURGE PUMP
TO REGEN TANK
(OPTIONAL)
N
N
N
BLU
BRN
BLU
GRN/YEL
BLK*
BLK*
WHT
BLK*
BLK*
BLK*
1HV
6HV
1T
120V
5LV
(LV)
5
1
1
6
115V
240V
(HV)
230V
6HV
1LV
5LV
1HV
BLK*
WHT
WHT
(SEE NOTES 1,2)
1
2
3
4
5
6
14-7P
K120
K121
K122
BRN
BLK*
GRN/YEL
Front View of the Purge Panel
* BLK = 120 Volts.
Item Description
K120 Purge Compressor Relay
K121 Purge Pump Relay
K122 Regen Tank Relay
Note:
1. Install 8A class CC fuse between Terminal 2 and Terminal 7 on the LV side.
2. Install 5A class CC fuse between Terminal 2 and Terminal 7 and 5-8 on the HV side.
Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller40