McQuay Time Clock Installation Manual

Installation & Maintenance Data

IM 508

Group: Unit Ventilator Part Number: 106100601

Time Clock and Holiday Switch Instructions

Uncrating and Inspection

Upon receipt of the equipment, check carton for visible damage. Make a notation on the shipper's delivery ticket before signing. If there is any evidence of rough handling, the cartons should be opened at once to check for concealed damage. If any is found, notify the carrier within 48 hours to establish a claim and request their inspection and a report. The Warranty Claim Department should be contacted.

Inspect the carton for any specific tagging numbers indicated by the factory per a request from the installing contractor.

Check the number against the plans to be sure that the unit will be installed in the correct location.

Note: Installation and maintenance must be performed by qualified personnel who are familiar with local codes and regulations, and are experienced with this type of equipment.

Caution: Sharp edges are a potential injury hazard. Avoid contact with them.

Date: June 1999

Time Clock

1. For safety, turn unit power “off.”

2. Dial face is divided for each day of week. Each tab represents a minimum timing cycle of two hours. Events must be set in even two-hour increments.

3. Pull tabs out toward outer rim of clock face corresponding to time when units are to be “off” for each day. Example; Detail “A” shows tabs out for “off” operation from 6 am to 6 pm on Tu (Tuesday).

Holiday Switch (SW4)

Time Clock (TC)

4. Repeat desired timing sequence for each day of the week.

5. To set clock, turn outer rim “clockwise” until pointer is at correct day and time. Note, use rim for “rough” adjustment to approach day of time, then use minute hand to set at exact time. Example at left is set at 8 am, Monday.

6. Turn on unit power to clock immediately after setting correct time. Clock may be adjusted while energized.

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