1200XX/120X-IMXX ModelsRefrigerator Service ManualAbout this ManualThis service manual provides maintenance, diagnostic,and repair information for NORCOLD, INC. model1200XX/120X-IMXX gas absorption refrigerators. Itis a reference tool designed for technicians who areknowledgeable in the theory and operation of gas/electric absorption refrigerators, liquefied petroleum (LP)gas (propane) system, and AC/DC electrical systems asinstalled in a variety of recreational vehicles (RV).All information, illustrations, and specificationscontained in this publication are based on the latestproduct information available at the time of publication.NORCOLD® reserves the right to make changes at anytime without notice.Model IdentificationModel 1200XX/120X-IMXX are 2-way refrigerators thatcan operate on AC power or LP gas. The electroniccontrols operate on 12 Vdc.Letter(s) appended to the model number identify factoryinstalled accessories. For example, a 1200-IMSS isa 2-way refrigerator equipped with an ice maker andstainless steel doors.Information LabelThe information label is located in the upper right cornerof the fresh food compartment just below the divider.See Figure 1, page 2. The label provides the followinginformation:n Serial number.n Model number.n LP gas (propane) pressure.n Btu/hr.n AC voltage and amperage.n DC voltage and amperage.n Design certification.n Vent kit requirement.Cooling Unit Serial NumberThe cooling unit has a separate serial number thatappears on the cooling unit bar code label. The labelis affixed to the surface of the cooling unit levelingchamber. See Figure 2, page 2.INTRODUCTIONCertification and Code RequirementsNORCOLD® 1200XX/120X-IMXX gas/electric absorptionrefrigerators are certified under the latest edition of ANSIZ21.19B standards for installation in mobile homes orrecreational vehicles. NORCOLD, INC. 1200XX/120X-IMXX gas/electric absorption refrigerators are alsocertified with the Canadian Standards Association,CAN/CGA-1.4-M94.Electrical components are compliant.About InstallationRefrigerator installation must conform with the 1200XX/120X-IMXX Installation Manual for the NORCOLD, INC.limited warranty to be in effect. Installation must alsocomply with applicable local codes and standards set bythe applicable certification agency.Replacement PartsUse only authorized NORCOLD® replacement parts.Generic parts do not meet NORCOLD® specificationsfor safety, reliability, and performance. The use ofunauthorized aftermarket or generic replacement partsvoids the refrigerator's limited warranty coverage.Technical AssistanceIf unable to resolve technical issues using theinformation provided in this manual, technical support forservice technicians is available through the NORCOLD,INC. Customer Service Center:' Telephone: ...................................1-800-444-7210.7 Fax: ..............................................1-937-497-3183.; World Wide Web: ...................... www.norcold.com.The following information is required to processtechnical support requests:n Model number.n Serial number.n Make, model, and year of recreational vehicle.1