Operating Guide

10
11
Power Attic Ventilation
Power Vents
Available in both roof and
gable mount, power vents
may cost more to install than
other types of attic vents, but
they exhaust the greatest volume
of hot and/or humid air from the
attic—which in turn can help
save more on energy costs.
Power Attic Vents –
Roof Mount
Power Attic Vent
Accessories
Power Attic Vents–
Gable Mount
Replacement Thermostat
(Model PT6)
Humidistat
(Model H1)
Humidistat/Thermostat
(Model HT1)
Replacement Motors
(not shown)
Power Attic Vent Automatic Shutter – Gable Mount
SGM 20
Energy Efficient… PSC (permanent split capacitor) motor
provides maximum operating efficiency
Available In Popular Colors… To blend in with the finished roof
(see color chart on page 11)
Adjustable Thermostat... Included on all models for
superior operation
Adjustable Humidistat/Thermostat Available… On PR2DHT
and PR3DHT models only
Extra-Long Conduit Available… For easier electrical hook-up
(PR3 model only)
Energy Efficient… PSC (permanent split capacitor) motor
provides maximum operating efficiency
Adjustable Thermostat Included On All Models… For
superior operation
Extra-Long Conduit… For easier electrical hook-up (on PG3
model only)
Fully adjustable for all climate
conditions
Can be used with all Master
Flow
®
& previous LL Building
Products Inc. Power Vents
Helps power ventilator reduce
damaging attic moisture
• Automatic and adjustable
Compatible with all single-
speed Master Flow
®
&
previous LL Building Products
Inc. Power Vents
• UL listed
Fully adjustable for all climate
conditions
Can be used with all Master
Flow
®
& previous LL Building
Products Inc. Power Vents
Helps power vents reduce
damaging attic heat &
moisture
Model PVM105 – Replaces
motor for the following models:
PG1, CPG2 (available in
Canada only), PG2, PR1,
CPR1D, PR1D, CPR2D, PR2D
& PR2DHT
Model PVM115 – Replace-
ment motor for the following
models: PSG3, PSG3HT,
PG3X, PSR10D, PSR10DHT,
PR3XD & PRX3DH
Versatile... Use with all power gable vents
Automatic... Moving air opens the louvers only when the
power vent is operating
Weather-Resistant... When vent is off, shutter helps prevent
infiltration of rain, snow, insects, etc.
Maintenance-Free... White aluminum construction can be
painted if desired
All Master Flow
®
Roof-Mounted Power Attic Vents are factory-tested
before shipment and include a heavy-duty insect/animal screen for
maximum performance and protection.
Master Flow
®
Gable-Mounted Power Attic Vents are the easiest
power ventilators to install and won’t detract from the look of the
finished roof. They’re factory-tested prior to shipment and are
manufactured with 100% rust-resistant metal construction.
PR3DSMWWHT
with adjustable humidistat/
thermostat shown
Texas Department
of Insurance
Product Evaluation
RV-37 & 38
Florida Building Code
FL5027
Choose The Right Master Flow
®
Power Attic VentRoof Mount
Choose The Right Master Flow
®
Power Attic VentGable Mount
PG - Gable Mount Series EGV - Gable Mount Series
CPG2
t
, PG2
PG3 CEGV5
t
, EGV5 EGV6
For Maximum Attic Size
(sq. ft. @ 4:12 roof pitch)
2,400 3,200
2,300 3,000
Air Flow (cubic feet
per minute)
1,540 1,600
1,450 1,600
Mininum Intake Ventilation
Needed at Soffits/Undereave or
Fascia (net free area in sq. in.)
740 768
696 768
Adjustable Thermostat Included
Yes Yes
Yes Yes
Length of Ltd. Warranty**
5 10 5 10
Length of Labor
Protection Plus plan**
3 Yrs. 5 Yrs.
3 Yrs. 5 Yrs.
Power Attic VentRoof Mount Color Availability
Mill Black Brown Weathered
Wood
Shingle Match
Weathered Wood
PR1D,
ERV4
PR1DBL,
ERV4BL
PR1DBR,
ERV4BR
PR1DWW
, CPR1DWW
,
ERV4WW, CERV4WW
PR2D,
ERV5
PR2DBL,
ERV5BL
PR2DBR,
ERV5BR
PR2DWW
, CPR2DWW
,
ERV5WW, CERV5WW
PR2DHT* PR2DBLHT* PR2DBRHT* PR2DWWHT*
PR3XDSMWW, ERV6SMWW
PR3DSMWWHT*
PRODUCT SPECIFICATIONS
*Adjustable humidistat/thermostat included
**See Master Flow
®
Powered Ventilation Products Ltd. Warranty for complete coverage and restrictions.
Available in Canada only
Opening Dimensions
16
1
/
2
" x 16
1
/
2
"
Overall Dimensions
19
1
/
4
" x 19
1
/
4
"
Note: Always have a balanced attic ventilation system. The amount of exhaust ventilation should NEVER exceed the amount of
intake ventilation.
PR - Roof Mount Series ERV - Roof Mount Series
PR1D,
CPR1D
t
PR2D, CPR2D
t
,
PR2DHT*
PR3XD,
PR3DHT*
CERV4
t
,
ERV4
CERV5
t
,
ERV5
ERV6
For Maximum Attic Size
(sq. ft. @ 4:12 roof pitch)
1,600 2,400 3,200 1,600 2,200 2,800
Air Flow (cubic feet
per minute)
1,000
1,250 1,600
1,000
1,250 1,500
Mininum Intake Ventilation
Needed at Soffits/Undereave or
Fascia (net free area in sq. in.)
480 600 768 480 600 720
Adjustable Thermostat Included Yes Yes Yes Yes Yes Yes
Optional Adjustable Humidistat/
Thermostat Available
Yes Yes
Length of Ltd. Warranty** 5 5 10 5 5 10
Length of Labor Protection
Plus plan**
2 3 5 2 3 5