Related Manuals for McQuay ACU018ARAY
Summary of Contents for McQuay ACU018ARAY
- Page 1 Installation and Maintenance Manual IM-800 Group: Unitary Part Number: IM-800 Date: August 2005 Supersedes: January 2005 ACU Split System Air Conditioners 1-1/2 to 5 ton © 2004 McQuay International IM-800 Page 1...
-
Page 2: Table Of Contents
"McQuay" is a registered trademark of McQuay International. © 2004 McQuay International "Illustrations and information cover the McQuay International products at the time of publication and we reserve the right to make changes in design and construction at any time without notice."... -
Page 3: Nomenclature
R = 208-230/1/60 62 = 5 Vintage * 10 SEER Size 036, 049 and 060 only. **10 SEER Size 060 only. Table 1: Unit Nameplate Model Number Identifier Unit Nameplate McQuay Model Number CKL18-1L ACU018ARAY CKL24-1L ACU024ARAY CKL30-1L ACU030ARAY CKL36-1L... -
Page 4: Introduction
Replacement Parts substantial fines. Because regulations can change over Replacement parts can be obtained by contacting McQuay at time, a certified technician should perform any work 1-800-37-PARTS. When contacting McQuay for service or done on this unit. -
Page 5: General Warnings
GENERAL WARNINGS Figure 1. Clearances and Accessibility WARNING 10" Min. Service Access Before servicing or installing, the electrical power must 18" Min. be in OFF. More than one disconnect may exist. Failure to disconnect all power can cause electrical shock, serious personal injury or death. WARNING The unit must have an uninterrupted, unbroken electrical ground. -
Page 6: Location
LOCATION ELECTRICAL Electrical installation will consist of power supply wiring to If unit is to be located under an overhang, there should be a the condensing unit, as well as control wiring between thermo- minimum of 36” clearance and provisions made to deflect the stat, indoor unit and the condensing unit as shown on wiring water discharge air out from the overhang. -
Page 7: Quick Connect Coils
QUICK CONNECT COILS SYSTEM START UP Precharged System Installation Processing Checks Installation procedure will differ when condensing units are Condensing units are supplied with R-22 charge sufficient for provided for use with precharged refrigerant coils and lines. typical matching evaporator and approximately 15’ of inter- Condensing units are provided with #6 and #11 male quick connecting tubing. -
Page 8: Charge Checks
CHARGE CHECKS Expansion Valve System 1. Fully open both base valves. Capillary Tube/Fixed Orifice System 2. Connect service gauge manifold to base-valve service parts 1. Fully open both base valves. making sure lines are purged. Run system at least 10 min- 2. -
Page 9: Wiring Diagram - Single Phase
WIRING DIAGRAM - SINGLE PHASE ALT. DOUBLE OUTDOOR CONTROL BOX POLE CONTACTOR OUTDOOR POWER SUPPLY CRANKCASE HEATER (IF USED) HERM COMPRESSOR COMPRESSOR/FAN MOTOR OUTDOOR POWER CAPACITOR COMPRESSOR SUPPLY - (SEE INTERNAL UNIT RATING PLATE) OVERLOAD USE COPPER START ASSIST CONDUCTORS ONLY USE L1 FOR NEUTRAL OR GROUNDED SUPPLY... -
Page 10: Wiring Diagram - Three Phase
WIRING DIAGRAM - THREE PHASE OUTDOOR POWER SUPPLY CONNECT TO APPROP. CONTROL MIN. 40 VA. 24 VOLT CIRCUIT HAVING N.E.C. CLASS 2 TRAMSFORMER OR FOR CERTIFIED C.S.A INSTALLATION. USE C.S.A. CERTIFIED ENERGY LIMITED CLASS 2 TRANSFORMER. EQUIPMENT GROUND USE COMP COPPER CONDUCTORS ONLY MOTOR POWER SUPPLY... - Page 11 IM-800 Page 11...
- Page 12 This document contains the most current product information as of this printing. For the most up-to-date product information, please go to www.mcquay.com. www.mcquay.com • 800-432-1342...