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These instructions contain operating information and should be left with the unit.
MICROVAP V & VP
Installation & Operation Manual
(Edition 3)
Installation in countries covered by EC Directives:
This product will meet the requirements of the Low Voltage Safety Directive 73 / 23 EEC and the EMC
Directive 89 / 336 EEC when installed in accordance with the instructions contained in this manual.
Failure to comply with these instructions may invalidate the manufacturer's warranty or any
certificate/declaration of conformance requested to be supplied with the unit.
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Summary of Contents for Vapac MICROVAP V4
- Page 1 These instructions contain operating information and should be left with the unit. MICROVAP V & VP Installation & Operation Manual (Edition 3) Installation in countries covered by EC Directives: This product will meet the requirements of the Low Voltage Safety Directive 73 / 23 EEC and the EMC Directive 89 / 336 EEC when installed in accordance with the instructions contained in this manual.
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Page 2: Important Installation Points
Before commissioning the unit, check that all electrical (power) connections - including those at the terminals and contactor are tight. Check that the transformer primary winding connection is correct for the supply voltage at Vapac terminals A1 & A2. The Vapac transformer must not be used to power other equipment. -
Page 3: Installation
Positioning and Dimensions of the Vapac Installation. Positioning the Vapac Do’s Do mount the unit as close to the steam distribution pipe(s) as possible. Do mount the unit at a height convenient for reading the display window. Do ensure adequate side access to the electrical section (min 1000 mm). - Page 4 Steam Pipe Positioning Notes Con’t :- Vertical mounted steam pipe must Key :- discharge horizontally facing Insulated Steam Pipe 250 minimum Radius for 35 ∅ pipe, upstream airflow. Steam Distribution Pipe If the total pressure within the duct 500 minimum Radius for 54 ∅ pipe. Hose clip air flow exceeds 2000 Pa and the Condensate Separator...
- Page 5 * For systems with a duct pressure over +1000 Pa. It may be necessary to fit a suitably sized trap in the water feed line between the Vapac tundish and the feed drain General manifold to ensure water can enter the cylinder when it is Steam pipes should be positioned as shown below, empty.
- Page 6 Do install a stop-valve/Shut-off valve and a strainer will not pose a problem for the Vapac or other close to the unit. equipment.
- Page 7 Important Power Connection Information Vapac 24V secondary Transformer Primary supply connections: Vapac units are wired to allow connection to alternative site Voltages. Make the following simple checks before connecting the power supply:- Move the RED connection on the Microvap transformer primary winding circuit to the position marked with the supply Voltage that is to be connected between Microvap power terminals A1 and A2.
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Page 8: Power Supply Connection
Voltage connected to Vapac and readily accessible. terminals A1 and A2. In Vapac Microvap units terminals 1, 2 and 3 are for The transformer 8V secondary supply is not used. the power supply connections as indicated in the Important: The Vapac transformer must NOT be diagrams below.