Installation, Operation and Maintenance
CONTENTS
Special Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Unpack Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Step 6 - Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53420033-01
Instructions
Printed in U.S.A.
Form No. 42WKN-12SI
Hydronic Ceiling Cassettes
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Page
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Fan Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Fan Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
SAFETY CONSIDERATIONS
Installing and servicing air-conditioning equipment can be hazard-
ous due to system pressure and electrical components. Only
trained and qualified service personnel should install and service
air-conditioning equipment. See Fig. 1 for Proposition 65 warning
label. To assist in installation see Table 1 for conversion factors.
Untrained personnel can perform basic maintenance such as
cleaning and replacing filters. All other operations should be per-
formed by trained service personnel. When working on air-
conditioning equipment, observe safety precautions in literature
and on tags and labels attached to the unit.
AirStream
42WKN08-36
Pg 1
8-24
Replaces: 42WKN-11SI
™
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