Trane Series R™ Helical Rotary Chiller RTAC275H

Warning: Ensure you are wearing appropriate PPE before starting the procedure.

Secure the isolators to the mounting surface using the mounting slots in the isolator base plate.

Align the mounting holes in the base of the unit with the threaded positioning pins on the top of the isolators.

Lower the unit onto the isolators and secure the isolator to the unit with a nut.

Enter the isolator deflection (should be 1/4 inch or 6 mm)

Fully tighten the isolator mounting bolts.

Sign off on the isolator replacement

Ensure enough space around the outdoor unit for unrestricted access to all service points.

Enter the unit dimensions as per submittal drawings

Enter the minimum clearance for compressor service (Recommended: 4 feet or 1.2 m)

Is there sufficient clearance for the opening of control panel doors?

Ensure unobstructed flow of condenser air to maintain chiller capacity and operating efficiency.

Is there sufficient flow of air across the condenser heat transfer surface?

Is there any warm air recirculation or coil starvation?

Ensure no debris, trash, supplies etc. accumulate in the vicinity of the unit.

Is the condenser coil free of debris?

Warning: This procedure requires trained personnel with PPE!

Is the unit new or has had all of the oil removed?

If not, report the issues to the maintenance team and stop the procedure

High side of the system not pressurized?

Choose the method of oil charging

CAUTION: Use only Trane OIL00048 in the RTAC units to avoid any catastrophic damage to the compressor or unit.

Inspect the individual pieces of the shipment for obvious damage

Inspect the unit for concealed damage

Date of concealed damage report

Evidence that the damage did not occur after delivery

Notify the carrier’s terminal of the damage immediately, by phone and by mail

Notify the Trane sales representative and arrange for repair

Do not repair the unit until damage is inspected by the carrier’s representative

Sign off on the inspection checklist

CAUTION: Evaporator Damage! Water must be flowing through the evaporator during the entire charging process to avoid freezing and rupturing of the evaporator tubes. Charge first with vapor to avoid freezing tubes.

Note the weight of the amount of charge removed.

Compare the weight of the charge removed to Table 1 - Table 4. Is there a difference in charge?

A difference in charge may indicate a leak.

Attach a photo of the attached charging hose to evaporator service valve (3/8” (9mm) flare).

Add charge to evaporator to bring total circuit charge up to the level indicated in the above chart.

Attach a photo of the disconnected charging hose.