Titus VHC IOM - Manual (Page 3)

VERTICAL HIGH OUTPUT VHC-IOM-00 01-19-09
INSTALLATION AND
MAINTENANCE INSTRUCTIONS
5 f o 3 e g a P
6. INITIAL START-UP
6.1 Chilled/Hot Water Unit
6.1.1 Ensure that the main distribution system is operable (i.e. both supply and return piping
are under full operating pressure).
6.1.2 Open the unit’s isolating ball valves (optional) and observe that no leaks are evident.
6.1.3 Open the 2-Way or 3-Way Valve (optional) manually by turning the manual override
to the open position on the valve actuator thus pressurizing the unit’s coil.
6.1.4 Remove the cap of the air-vent valve and depress the needle to release the trapped air.
Continue until only liquid is coming through and then re-cap and secure tightly.
7.
OPERATION AND CONTROL
7.1 The unit is wired to operate with a four-position fan selector switch (optional):
OFF
HI High fan speed
MED Medium fan speed
LO Low fan speed
7.2 An external thermostat (normally wall mounted) is used to select the desired room
temperature.
7.3 Where the unit is provided with electric heating (optional), the external HEAT/COOL
changeover switch has to be set in the HEAT position to enable the thermostat to
switch the heater ON when the room temperature drops below the set point.
8.
MAINTENANCE
***CAUTION: All maintenance must be performed by a trained, experienced
service technician. To prevent electrical shock, disconnect electric power to system
at main fuse or circuit breaker box until maintenance is complete.
At the completion of any maintenance check for foreign materials and replace the
front panel and/or the safety mesh behind the filter. Switch on the power at the
supplied electrical source (circuit breaker).