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CUT
AL
ONG DO
TT
E
D
LINE
CU
T ALONG DO
TT
E
D
LINE
7. Electrical circuit protection has been sized and installed properly.
Yes
No
8. All terminals are tight.
Yes
No
9. All plug assemblies are tight.
Yes
No
10. All cables, thermistors and transducers have been inspected for cross wires.
Yes
No
11. All thermistors are fully inserted into wells.
Yes
No
12. Crankcase heaters energized for 24 hours before start-up.
Yes
No
13. All armatures more freely on contactors.
Yes
No
Chilled Water System Check
1. All chilled water valves are open.
Yes
No
2. All piping is connected properly.
Yes
No
3. All air has been purged from the system.
Yes
No
4. Chilled water pump is operating with the correct rotation.
Yes
No
5. Chilled water pump starter interlocked with chiller.
Yes
No
6. Chilled water flow switch operational.
Yes
No
7. Inlet piping to cooler includes a 20 mesh strainer.
Yes
No
8. Water loop volume greater than 3 gal/ton for air conditioning
Yes
No
or 6 gal/ton for process cooling and low ambient operation.
9. Proper loop freeze protection provided to ____
F (
C).
Yes
No
Antifreeze type__________________ Concentration _____%.
(If antifreeze solution is not utilized on 30RB machines and the
minimum outdoor ambient is below 32 F (0
C)
then items 10 and 11 have to be completed to provide cooler
freeze protection to –20 F. Refer to Installation Instructions
for proper cooler winterization procedure.)
10. Outdoor piping wrapped with electric heater tape.
Yes
No
11. Cooler heaters installed and operational.
Yes
No
12. Is the unit equipped with low ambient head pressure control?
Yes
No
a. If yes, are wind baffles installed? (Required if chiller will run below 32 F
Yes
No
and be exposed to the wind.)
13. Are there any VFDs on the chilled water pumps?
a. Primary loop
Yes
No
b. Secondary loop
Yes
No
C. UNIT START-UP
1. All liquid line service valves located near EXVs are open.
Yes
No
2. All discharge service valves are open.
Yes
No
3. All suction service valves are open.
Yes
No
4. All compressor rack holddown bolts removed.
Yes
No
5. Leak check unit. Locate, repair and report any refrigerant leaks.
Yes
No
6. Voltage at terminal block is within unit nameplate range.
Yes
No
7. Check voltage imbalance: A-B______ A-C______B-C______
Average voltage = __________ (A-B + A-C + B-C)/3
Maximum deviation from average voltage = _______
Voltage imbalance = ______% (max. deviation / average voltage) X 100
Is voltage imbalance less than 2%.
Yes
No
(DO NOT start chiller if voltage imbalance is greater than 2%.
Contact local utility for assistance.)
8. Verify cooler flow rate
Yes
No
Pressure entering cooler
_____ psig (kpa)
Pressure leaving cooler
_____ psig (kpa)
Cooler pressure drop
_____ psig (kpa)
Psig x 2.31 ft./psi =
_____ ft of water
kPa x 0.334 m/psi =
_____ m of water
Cooler flow rate _____ gpm (l/s) (See Cooler Pressure Drop Curve provided in the 30RB Installation Instructions.)
9. Verify that isolation valves on factory-installed pump packages are properly
Yes
No
positioned and locked prior to start-up (slot in-line with piping on both sides of pump).
Summary of Contents for AQUASNAP 30RBA315
Page 77: ...77 Fig 37 Control Schematic 30RB060 080 a30 4619...
Page 78: ...78 Fig 38 Control Schematic 30RB090 150 a30 4620...
Page 79: ...79 Fig 39 Control Schematic 30RB160 190 a30 4622...
Page 80: ...80 Fig 40 Control Schematic 30RB210 300 a30 4622...
Page 81: ...81 Fig 41 Heat Reclaim Control Schematic a30 4622...