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Model of electromagnetic switch and thermal switch are dependent on pump power.

LD29585a

TEXT

BK note 1

G/Y note 1

BK note 1

G/Y note 1

Note 1

Vacuum pump

Burner

MCB2

Note 4

MCB1

Note 4

BK note 1

G/Y note 1

BK note 1

G/Y note 1

Note

1. According to pump configuration sheet

2. Remove jumper if there is constantly monitoring interlock

3. Do not install ventilation fan for NEMA4/4X enclosure

4. See transformer table

5. Condensate control for steam fired only

6. Direct fired only

7. Remove jumper if direct fired

8. “U1, V1, W1”, “U2, V2, W2”, will be “U10, V10, W10”, “U20, V20, W20” if VFDs control

MMS6

Note 1

5.6C

MMS7

Note 1

3.3B

Note 6

MC6

5.6D

55YHAU-C Single Effect Steam-Fired Absorption Chiller

Johnson Controls York YHAU-C User Manual

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