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Model SWAC
Self Contained Cooling/
Hot Water Heating Units
Supersedes: 145.26-IOM1 (708)
Form 145.26-IOM1 (908)
UNIT MODEL
SWAC - R22
HOT WATER HEATINg / ELECTRIC COOLINg
INSTALLATION, OPERATION
& MAINTENANCE INSTRUCTIONS
Cooling Capacities
12,000, 18,000, 24,000, & 30,000 Btu/Hr.
Heating Coil Capacities
24,000-62,000 Btu/Hr.
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Table of Contents
Summary of Contents for Unitary products group SWAC-R22
- Page 1 Model SWAC Self Contained Cooling/ Hot Water Heating Units Supersedes: 145.26-IOM1 (708) Form 145.26-IOM1 (908) UNIT MODEL SWAC - R22 HOT WATER HEATINg / ELECTRIC COOLINg INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS Cooling Capacities 12,000, 18,000, 24,000, & 30,000 Btu/Hr. Heating Coil Capacities 24,000-62,000 Btu/Hr.
- Page 2 FORM 145.26-IOM1 (908) IMPORTANT! READ BEFORE PROCEEDINg! gENERAL SAFETY gUIDELINES This equipment is a relatively complicated apparatus. which it is situated, as well as severe personal injury or During installation, operation, maintenance or service, death to themselves and people at the site. individuals may be exposed to certain components or conditions including, but not limited to: refrigerants, oils, This document is intended for use by owner-authorized...
- Page 3 FORM 145.26-IOM1 (908) CHANgEABILITY OF THIS DOCUMENT In complying with Johnson Controls policy for continu- It is the responsibility of operating/service personnel as ous product improvement, the information contained to the applicability of these documents to the equipment in this document is subject to change without notice. in question.
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Page 4: Table Of Contents
FORM 145.26-IOM1 (908) SWAC models provide a complete air-conditioning and heating system as an all-in-one package. Specifically de- signed for convenient through-the-wall installation in residential low and high rise applications. The all-indoor design eliminates the need for unsightly exterior equipment, thereby maintaining architectural esthetics. all units are shipped completely wired and factory tested. - Page 5 FORM 145.26-IOM1 (908) To assure both safe and proper operation, please carefully follow the instructions in this manual to correctly install this equipment. INSTALLER! after installation, give the user: - Operation & Installation Instructions - Warranty Information USER! your equipment installer should give you the above documents relating to your new heating/cool- ing unit.
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Page 6: Preparing To Intall Unit
FORM 145.26-IOM1 (908) 1. PREPARINg TO INSTALL 4. UNPACKINg a) Check the unit for indications of damage in ship- A. Literature ment. Notify the Transportation company of any damage and note the damage on the shipping after installing the unit; give this Installer’s Information receipt. -
Page 7: Wall Opening
FORM 145.26-IOM1 (908) 7. WALL OPENINg 9. EXTERIOR gRILLE A finished opening in an outside wall is required for intake and exhaust of condenser airflow. The Finish the sleeve exterior with a factory supplied wall opening required is 16” wide by 63” high for intake and discharge grille. - Page 8 FORM 145.26-IOM1 (908) LD13530 FIg. 1 - WaLL SLEEvE aSSEMBLy JOHNSON CONTROLS...
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Page 9: Unit To Sleeve Attachment
FORM 145.26-IOM1 (908) 10. UNIT TO SLEEVE ATTACHMENT Raise the unit by screwing down the three leveling legs, until the flange at the bottom of the condenser is above Recommend Lintel where required on the flange at the bottom of the wall sleeve. Move the wall opening unit forward until the unit contacts the wall sleeve and gasket... -
Page 10: Installing Ductwork
FORM 145.26-IOM1 (908) 11. INSTALLINg DUCT WORK • Good heating and cooling installations; • Delivery of required circulating air. Install all duct-work to meet current Design duct systems within the maximum external standard: static pressure limits indicated in Table 1. •... -
Page 11: Filter Rack Installation For Side Return
FORM 145.26-IOM1 (908) 12. FILTER RACK INSTALLATIONS FOR If desired, panel filters may be installed in the bottom SIDE RETURN return plenum or in the return air duct. CAUTION:Air filters are required to keep RECOMMENDED FLAT PANEL FILTERS SIZES FOR the heating coil, air conditioning coil, BOTTOM RETURN APPLICATION and blower motor clean. -
Page 12: Condensate Drain Piping
FORM 145.26-IOM1 (908) 13. CONDENSATE DRAIN PIPINg The maximum design entering water temperature for these units is 200ºF. The condensate drain pan is fitted with a 3/4” NPT female pipe fitting which protrudes through the unit The threaded coil connection stubs are provided with casing. -
Page 13: Electrical Connections
FORM 145.26-IOM1 (908) 15. ELECTRICAL CONNECTIONS The minimum and maximum operating voltages, and fuse sizes, are listed on the unit rating plate. The power Check the voltage and phase listed on the unit rating leads must be brought to the entry knockouts provided plate, before installation, to be sure the power supply is in the unit control box through a customer supplied correct. -
Page 14: Sequence Of Operation On Heating Cycle
FORM 145.26-IOM1 (908) 17. SEQUENCE OF OPERATION ON 7 . Is duct work system correctly sized and sealed? HEATINg CYCLE See Section 11. 8 . Are air filters in place and correctly sized? See 1 . Room thermostat calls for heat, connecting R and Section 12. -
Page 15: Fan Speed Adjustment
FORM 145.26-IOM1 (908) TABLE 3 - BLOWER SETTINgS 20. FAN SPEED ADJUSTMENT FaCTORy BLOWER RECOM- Multi-speed direct drive motors are used in all units. To SPEED SETTINg MENDED modify the unit motor speed, the following steps may UNIT MIN. be followed. MODEL COOLIINg COOLINg... -
Page 16: Maintaining Unit In Good Working Order
FORM 145.26-IOM1 (908) 21. MAINTAININg UNIT IN gOOD WORKINg With a clean condenser coil, the air temperature leaving ORDER the condenser fan discharge should be approximately 33ºF above the outdoor air temperature. The saturated WARNINg: Follow these procedures condensing temperature should be approximately 38ºF before inspecting furnace. -
Page 17: Refrigerant Charges
FORM 145.26-IOM1 (908) 22. REFRIgERANT CHARgES Unit Cooling Capacity (BTU/HR.) R-22 Refrigerant Charge SWaC**1212 2 lb.-14 oz. SWaC**1812 3 lb.-14 oz. SWaC**2412 4 lb.- 8 oz. SWaC**3012 4 lb.-14 oz. FIg. 4 - SCHEMaTIC WIRINg DIagRaM LD13535 JOHNSON CONTROLS... - Page 18 FORM 145.26-IOM1 (908) NOTES JOHNSON CONTROLS...
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Page 19: Warranty Policy
FORM 145.26-IOM1 (908) LIMITED WARRANTY Johnson Controls warrants this product to be free from defects in workmanship or material for a period of one year from date of original installation or 18 months from date of shipment, whichever comes first. Johnson Controls obligation under this Warranty is LIMITED to repairing or replacing at our sole option, at our factory, any part thereof which shall be returned to our factory, transportation charges prepaid and which on examination proves to have been thus defective under normal domestic use not exceeding the fuel rating. - Page 20 Subject to change without notice. Printed in U.S.a. Form 145.25-IOM1 (908) Copyright 2008 by Unitary Products group. all rights reserved. Supersedes 145.25-IOM1 (708) © Engineered Systems P.O. Box 1592 york Products york, Pa group 17405 17405...
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