Titus Vertical Stack IOM - Manual (Page 3)

VERTICAL STACK VS-IOM-00 01-19-09
INSTALLATION AND
MAINTENANCE INSTRUCTIONS
6 f o 3 e g a P
4.
AFTER DRYWALL INSTALLATION
4.1 Install Supply Grille using screws provided.
4.2 Install the Access Panel. The panel hangs on the channel at the top of the front opening in
the unit. The 1/4-turn fasteners (optional) are to be adjusted to accommodate drywall
thickness.
Adjustment can be made by loosening the set-screw on the fastener shaft and adjust as
required. The top hanging channel is adjusted by loosening the three (3) screws facing up
in the channel and slide the channel in or out as required.
4.3 Install thermostat on unit per wiring diagram. Install insulation provided into junction
box behind thermostat.
5.
INITIAL START UP
5.1 Ensure that the main water distribution (both supply and return) piping are operable and
under full operating pressure.
5.2 Open the unit’s two (2) isolating ball valves (optional) and carefully check that no leaks
are present.
5.3 Turn on the supplied electrical power (circuit breaker).
5.4 Turn the disconnect switch located on the internal electrical box to the ON position.
5.5 On the thermostat, set the temperature and turn on the fan switch. At this time the fan
should be running and the zone valve should be open.
5.6 Bleed the air from the coil by removing the cap of the air vent valve and depressing the
needle valve until liquid comes out. Recap the valve and secure the cap tightly.
5.7 Inspect the coil and all plumbing for leaks.
6.
Fresh Air Damper (Optional)
The Fresh Air Damper is located near the bottom of the unit below the drain pan. Slide
the adjustable door in its tracks to the proper position giving the required amount of fresh
air. Secure in place with a sheet metal screw.