Carrier 19XL Installation Instructions Manual

Also see for 19XL series: Start-up, operation and maintenance instructions Start-up, operation and maintenance instructions Advance product data Installation instructions Installation instructions

Contents

Carrier 19XL Installation Instructions Manual Manual pdf 19 page image

CONNECT CONTROL OUTPUTS — Connect auxiliaryequipment, chilled and condenser water pumps, and sparealarms as required and indicated on job wiring drawings.CONNECT STARTER — The 19XL is available with eithera unit-mounted, factory-installed starter or a free-standing,field-installed starter (Fig. 24 and 25).Unit Mounted, Factory-Installed Starter— Attach power leadsby connecting them from inside the starter cabinet to the lineside circuit breaker terminals. See Fig. 24 and 26. Chillerswith electro-mechanical starters (wye-delta) will have a tophat shipped with the chiller if the RLA (rated load amps) isgreater than 432 amps. The top hat is shipped in the knocked-down position and must be assembled and installed on topof the starter cabinet, over the line side circuit breaker. Dur-ing assembly, remove the access plate and use it as the coverpiece of the top hat. The top hat provides additional wirebending space to attach line side power leads to the circuitbreaker within the starter. The solid-state starter does not re-quire a top hat.IMPORTANT: Be sure to ground the power circuit inaccordance with the National Electrical Code (NEC),applicable local codes, and job wiring diagrams. Also,make sure correct phasing is observed for properrotation.TOLOADLEGEND1 — Disconnect2 — Unit Mounted Starter3 — Control Cabinet4 — Power Panel5 — Vents6 — Pressure Gages7 — Chilled Water Pump8 — Condenser Water Pump9 — Chilled Water Pump Starter10 — Condensing Water Pump Starter11 — Cooling Tower Fan StarterNOTES:1. Wiring and piping shown are for general point-of-connection only and are not intendedto show details for a specific installation. Certified field wiring and dimensional dia-grams are available on request.2. All wiring must comply with applicable codes.3. Refer to Carrier System Design Manual for details regarding piping techniques.4. Wiring not shown for optional devices such as:• remote start-stop• remote alarm• optional safety device• 4 to 20 mA resets• optional remote sensorsFig. 24 — 19XL With Optional Unit-Mounted Starter19