tjernlund vp-2,3 8504025 rev a 0100 Manual Do Utilizador

1. Verify that proposed Vent Hood location will conform to “Vent Hood Termination Clearances” on page 5.

2.  Use scissors to detach Vent Hood Mounting Template on page 14.  Follow instructions on Vent Hood template.

Power Venter installation must be in accordance with the following requirements of the National Fuel Gas Code: (ANSI Z223.1)

•   All portions of the vent system under positive pressure during operation (on the outlet side of the Power Venter) shall be designed 

and installed so as to prevent leakage of flue or vent gases into a building.

•   All appliances must enter the vent system on the inlet side of the Power Venter.

•   Provision shall be made to interlock the appliance(s) to prevent the flow of gas to the main burners when the draft system is not 

performing so as to satisfy the operating requirements of the equipment for safe performanc

e.

1. Power Venter should be installed as close to the termination of the vent system as possible to prevent flue gas leakage.

2. Power Venter must be installed with the motor shaft horizontal to prevent motor bearing wear.

3. Power Venter housing is single wall. Six inch clearance must be maintained to combustible materials.

4.

If installing the VP-2, 3” vent pipe may be used from the water heater to the Power Venter. If the flue outlet is larger 
than 3”, install a 

tapered reducer directly after the draft hood of the water heater.

If installing the VP-3, 4” vent pipe may be used from the water heater to the Power Venter. If the flue outlet is larger 
than 4”, install a 

tapered reducer directly after the draft hood of the water heater.

NOTE: All reducers and vent pipe are to be supplied by the installer and are available from your local heating wholesaler.

5. The equivalent vent pipe length of elbows and straight pipe must be calculated. The total equivalent length must not 

exceed 75 feet with no more than 25 equivalent feet in elbows.

6