Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53090030 -01 Printed in U.S.A. Form 09FC-1SI Pg CL-2 3-21 Replaces: NEW
© 2021 Carrier
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CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE
C. UNIT START-UP
1. Voltage at terminal block is within unit nameplate range. Yes No
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 unit if voltage imbalance is greater than 2%.
Contact local utility for assistance.)
2. Verify flow rate (Set unit in free cooling mode prior to setting flow rate.)
Pressure entering unit _____ psig (kPa)
Pressure leaving unit _____ psig (kPa)
Unit pressure drop _____ psig (kPa)
Psig x 2.31 ft/psi = _____ ft of water
kPa x 0.334 m/psi = _____ mm of water
Evaporator flow rate _____ gpm (L/s) (See Evaporator Pressure Drop Curve)
Start and Operate Machine
1. Complete component test utilizing Service Test Mode
2. Operate all fans and verify operation and rotation.
3. Operate 3-way valve.
4. Record condenser fan motor current.
5. Provide operating instructions to owner’s personnel.
COMMENTS:
SIGNATURES:
Start-up
Technician _________________________________________________________________Date__________________
Customer
Representative _________________________________________________________________Date__________________
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