Lochinvar operation manual SYNC-I-ORev N 05/12

Revision Notes: Revision A (ECO #C02428) initial release.

Revision B (ECO #C03046) reflects the addition of FIG. 5-3 on page 27, the addition of a pressure gauge to FIG. 5-6 on page 30, edits made to FIG. 7-1 on page 35, edits made to the Low Water Cutoff Protection section on page 48 along with the addition of the Flow Sensing Device section.

Revision C (ECO #C03223) reflects edits made to the high altitude section on page 6.

Revision D (ECO #C03735) reflects edits made to the venting section removal of B149.2, along with the addition of the hydro and dirt separator.

Revision E (ECO #C04062) reflects changes to the terminology in all SYNC manuals and labels from module to heat exchanger (exception: control module), along with changing out “dirt separator” for “Y-strainer (ECR #R02455), edits made to the ceramic fiber material warning, removal of the stabilitor from FIG. 11-2 (C04057), and placing the illustrations disclaimer on all the piping drawings (ECR #R02431).

Revision F (ECO #C04560) reflects the addition of Modbus to the manual, new heat exchanger cleaning procedure, schedule 80 as acceptable CPVC material (Table 2A) (R02799), and changes made to Table 5A.

Revision G (ECO C07283) reflects the update of FIG. 7-1 on page 38 to show current label and wiring connections along with an update to the Ladder and Wiring diagrams on pages 64 and 65.

Revision H (ECO C07679) reflects the update of FIG. 6-1 on page 34 to show the gas pressure regulator, ECR 04077 - combustible water pipes changed from 1" to a 1/4", addition of the rope gasket notice on page 61 (R03940) and changes made to Table 2A on page 19.

Revision I (ECO C07981) reflects the addition of the O-temp switch and edits made to LBL20045 (ECR R04243 and C07959 - add O-temp switch, changes made to Table 5A on page 31 (ECR R04335) and change Module 1 and 2 callouts to HEX 1 and 2 on the label).

Revision J (ECO C08327) reflects changes made to the temperature callouts under Protection Features on page 50 (ECR R04145).

Revision K (ECO C08407) reflects updates made to LBL20045 (ECR R04434) along with changing the water outlet from 2 1/2” NPT to 3” NPT (ECR R04003), pages 4, 6, and 31 and updating the O-temp switch description on page 4.

Revision L (ECO #C08689) reflects additional information added to the humidity warning on page 7, updates made to LBL20046 Rev F (ECO CO8689), the addition of the new Polypropylene Vent material section and rearranging the venting section.

Revision M (ECO C09691) reflects the update of AHRI and ASME logos on page 6.

Revision N (ECO C10594) reflects the update of Wiring and Ladder diagrams on pages 64 and 65.

SYNC-I-O Rev N

05/12