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A. 

INSTALLATION. 

 

The unit is designed as an in-line duct fan to be positioned between lengths of ducting.  Short duct runs terminating close to the 
fan (i.e. within 1.5m) must incorporate suitable guards unless the fan is mounted higher than 2.1m above the floor.   If flexible 
ducting is used it should be fully extended to obtain the best results. Position the fan at the highest point on the system with both 
ducting runs sloping downwards from this point. The airflow direction is indicated on the rating label with an arrow pointing in the 
direction of the airflow. 
 
A condensate trap will be required in the exhaust duct where excessive levels of moisture are present in the air. 
Ducting passing through an unheated roof void should be insulated. 

 

 
(Refer to Fig 15 for overall fan dimensions and fixing hole positions).  When siting the appliance ensure that there is sufficient 
space to allow access for any servicing and maintenance. 
To gain access to the mounting holes, proceed as follows: - 
 

A.  Using a cross-headed screwdriver, release the two blue plastic clips by undoing the two bolts as shown in Fig 1. Slide 

out motor impeller assembly, see Fig 2. 

B.  The fan can now be mounted at any angle, using the holes provided Fig 3,4,5,6 & 15 
C.  Once the base is securely fixed, slide the motor impeller assembly back, as shown in Fig 7. Replace the screw and 

tighten to lock the assembly together Fig 8. 

 
                                                                                                
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 

 
 
 

Summary of Contents for Monsoon UMD PRO Series

Page 1: ... THE ILLUSTRATIONS PLEASE SAVE THESE INSTRUCTIONS UMD PRO Mixed Flow In Line Fan Range UMD100SX PRO UMD100TX PRO UMD125SX PRO UMD125TX PRO UMD150SX PRO UMD150TX PRO UMD200SX PRO UMD200TX PRO 220 240V 50Hz IP44 Installation and Wiring Instructions ...

Page 2: ...y be used in conjunction with the appropriate Monsoon products E It is recommended that the connection to the fan connecter terminals is made with flexible cable F When the Fan is used to remove air from a room containing a fuel burning appliance precautions must be taken to avoid back flow of gases into the room from the open flue of gas or other appliance Ensure that the air replacement is adequ...

Page 3: ...ired in the exhaust duct where excessive levels of moisture are present in the air Ducting passing through an unheated roof void should be insulated Refer to Fig 15 for overall fan dimensions and fixing hole positions When siting the appliance ensure that there is sufficient space to allow access for any servicing and maintenance To gain access to the mounting holes proceed as follows A Using a cr...

Page 4: ...terminal box cover screws Fig 13 6 Ensure the impeller rotates and is free from obstructions Timer models cannot be used with a speed controller Timer Adjustment The fan must be wired to a remote switch e g light switch When switched ON the fan will operate at the selected speed and will continue to run for a preset time after the fan is switched OFF The timer is factory set at 15 minutes approx T...

Page 5: ...l be automatically switched off If this occurs isolate the fan and call your service engineer D SERVICING AND MAINTENANCE WARNING THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM THE POWER SUPPLY DURING MAINTENANCE 1 At intervals appropriate to the installation the fan should be inspected and cleaned to ensure there is no build up of dirt or other deposits The In Line Mixed Flow fan h...

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Page 8: ... TA7 0RY EU Authorised Representative National Ventilation Bedrijvenweg 17 7442 CX Nijverdal Nederland authorisedrep nationalventilation nl Website www nationalventilation co uk email info nvagroup co uk Sales and technical hotline 01823 690290 494754 D 0921 ...

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