JOHNSON CONTROLS
4
FORM 155.34-CL2
ISSUE DATE: 12/10/2019
START UP CHECKLIST
A. Operation Check
1. Manually start:
a. Chilled water pump ..............................................
b. Cooling water pump .............................................
2. Confirm water box covers do not leak during water
pump operation. ......................................................
3. Stop the:
a. Chilled water pump. .............................................
b. Cooling water pump .............................................
4. Press the
Auto
button for:
a. Chilled water pump. ............................................
b. Cooling water pump .............................................
5. Navigate to the Control Panel Setting screen. ........
6. Press the Manual Purge
ON
button. ........................
7. Purge non-condensable gas from the absorber. See
SECTION 7 - MAINTENANCE in Form 155.34-ICOM2..
8. Open the refrigerant manual blow valve. .................
9. Navigate to the Setting screen in the Control Panel.
10. Press the Control Valve Mode
Manual
button. ........
11. Make sure that the Refrigerant Pump
Auto
button is
pressed. ...................................................................
12. Make sure that the steam condensate control valve
is closed. ..................................................................
13. Press the
OPER.
button on the Control Panel .........
14. Check that the following start properly::
a. Solution circulation pump ....................................
b. Solution spray pump ............................................
c. Refrigerant pump (RP) ........................................
15. Check for abnormal noise and/or vibration. .............
16. Gradually open the steam condensate control valve.
17. Press the Control Valve Mode
Auto
button. ............
18. Check that the steam condensate control valve
works automatically according to the chilled water
outlet temperature. ...................................................
19. Press the
STOP
button on the Control Panel. .........
20. Check that the dilution process is complete. ............
21. Press the
OPER.
button on the Control Panel. ........
22. Operate the chiller for 3 hours or longer.. ................
23. Close the manual blow valve for the refrigerant. ......
24. Operate the chiller for an additional hour (or longer).
25. Check that the cooling water temperature is con-
trolled within the acceptable range. .........................
26. Check that the specific gravity of the refrigerant is
within the acceptable range.. ...................................
27. Check that the chilled water outlet temperature is
lower than the chilled water inlet temperature .........
28. Record the running data on data sheets. ................
B. Purge Amount Check
1. Verify that the purge amount from the absorber is
within acceptable range ...........................................
2. Close the spindle valve to facilitate purging from the
absorber ...................................................................
3. Continuously purge contents from the purge tank
until the exhausted gas amount reduces and be-
comes stable ............................................................
4. Operate chiller for 1 hour without operating the vac-
uum pump ................................................................
5. Verify that the amount of purge from the purge tank
is within acceptable range ........................................
C. Purge System Check
1. Press the Purge Mode
Auto
button .........................
2. Change the lubricant oil in the vacuum pump ..........
3. Slightly open the ballast valve of the vacuum pump
D. Remote Operation Check
1. Check that the chiller starts and stops properly using
a remote signal ........................................................
YHAU-C Single Effect Steam-Fired Absorption Chiller
108
Содержание York YHAU-C
Страница 2: ......
Страница 26: ...Figure 6 Fitting tir rollers to the machine YHAU C Single Effect Steam Fired Absorption Chiller 24...
Страница 33: ...Figure 11 Location of rupture disk 31 YHAU C Single Effect Steam Fired Absorption Chiller...
Страница 85: ...Figure 37 PLC and touch screen communication wiring 83 YHAU C Single Effect Steam Fired Absorption Chiller...
Страница 103: ...Figure 49 Cooling start diagram 101 YHAU C Single Effect Steam Fired Absorption Chiller...
Страница 104: ...Figure 50 Cooling stop diagram YHAU C Single Effect Steam Fired Absorption Chiller 102...
Страница 166: ...Figure 73 Steam and drain system YHAU C Single Effect Steam Fired Absorption Chiller 164...
Страница 167: ...Figure 74 Duhring diagram PTX chart F 165 YHAU C Single Effect Steam Fired Absorption Chiller...
Страница 168: ...Figure 75 Duhring diagram PTX chart C YHAU C Single Effect Steam Fired Absorption Chiller 166...
Страница 169: ...Figure 76 Specific gravity concentration F 167 YHAU C Single Effect Steam Fired Absorption Chiller...
Страница 170: ...Figure 77 Specific gravity concentration C YHAU C Single Effect Steam Fired Absorption Chiller 168...
Страница 178: ...Figure 79 Troubleshooting sequence flow chart YHAU C Single Effect Steam Fired Absorption Chiller 176...