33
1002595 ISSUE 5 M172 VARIHEAT
3.0 INSTALLATION
Installation summary
The Variheat is a fully packaged system, supplied as a single piece, ready for
positioning and connection to services. The Variheat is designed to be installed
in an internal plant room. The Variheat is suitable for operating in plantroom
temperatures from 0°C to +40°C.
Unloading and unpacking
On arrival, check e condition of e Variheat and at e controls, duct
connections and pipe connections are in e positions ordered. Report any
concerns to your supplier prior to installation.
Items included wi Variheat
y User/Installation manual
y Warranty registration card
y Touchscreen removal adapter
Positioning
The Variheat must be kept upright at all times. The cabinet is designed to be
supported from e bottom. If liing wi a crane, spreader bars should be used
to protect e top of e cabinet from crushing.
Siting
Ensure sucient access to controls, service access panels and connections for
users and service engineers. Due consideration should be given to Heal and
Safety when designing access for users and service engineers.
Removing e fan module
In order to factory test e Variheat, it will be supplied complete, but if
necessary, e fan module (and fresh air module, where fitted) may be
separated to assist positioning where plantroom access is restricted. The
following actions need to be completed:
y Disconnect flexible LPHW hoses
y Disconnect fan wiring, taking care to record all wire positions
y Unbolt fan module
y Unbolt fresh air module, if fitted, if required
Take appropriate care when moving e modules, which are very heavy,
particulary e refrigeration module. Ensure suitable liing equipment is available
for e movements required.
Ensure all sections remain upright during positioning. To reconnect aer
positioning, reverse e actions listed above.
Summary of connections and services
Ductwork
y Return air, from pool hall
y Supply air, to pool hall
y Exhaust air, to atmosphere (if fresh air module, or negative pressure
module fitted)
y Fresh air, from atmosphere (if fresh air module fitted)
Plumbing
y LPHW system, flow and return
y Condensate drain
Electrical
y Power supply
Remote interfaces (if required)
y Terminals
y Network connection
y BMS connections
Aer installation
y Pre-commissioning checklist
y Initial start-up
y Commissioning
y Operator handover
Ongoing maintenance
The Variheat has been designed to operate continuously over a long service life.
Preventative maintenance is essential to keep e system operating effectively
and eciently.