Uncle Bobs Tips: Generator Guide

Generac Guardian



Generac Guardian offers the following generator types: home standby, portable and recreational vehicle.

Generac Guardian

http://www.guardiangenerators.com/

Corporate Mailing Address:

Generac Power Systems Hwy. 59 & Hillside Road P.O. Box 8 Waukesha, WI 53187

Guardian consumer products from Generac Power Systems are renowned for value, reliability, and long life. These versatile and durable power generation products serve a wide variety of residential, commercial, small business, and recreational vehicle applications.

Generac Gaurdian offers generators according to the following categories:

Home standby, portable and recreational vehicle.

HOME STANDBY PRODUCTS

Guardian 7, 12 & 15 kW

Generator Set

Model Number 04389 04456 04390

Rated Power LP (kW)

7 12 15**
Rated Power NG (kW) 6 12 13

Voltage @ 60 Hz

120/240 120/240 120/240
Phase Single Single Single

Frequency

60 Hz 60 Hz 60 Hz

Amps LP

58.3/29.2 100.0/50.0 125.0/62.5
Amps NG 50.0/25.0 100.0/50.0 108.3/54.2

Engine/Alternator RPM

3600/3600 3600/3600 3600/3600
Engine 410 cc.
14.5 HP
Generac OHVI
Single Cylinder
992 cc.
30 HP
Generac OHVI
V-Twin
992 cc.
30 HP
Generac OHVI
V-Twin

EPA/CARB Certified

Yes Yes Yes
Fuel Natural Gas/
LP Vapor
Natural Gas/
LP Vapor
Natural Gas/
LP Vapor

Engine Cooling

Air Air Air
UL2200 Yes Yes

Yes

Canadian UL Yes Yes

Yes

Main Line Circuit Breaker 40 Amp 50 Amp 60 Amp

Dimensions (L" x W" x H")

48 x 24 x 28-1/4 48 x 24 x 28-1/4 48 x 24 x 28-1/4
Unit Wt. (lbs.)

452

470

487

Controls

Start/Stop Control Cyclic cranking: 7 seconds on, 7 seconds rest. 90 seconds overcrank protection.
Automatic Low Oil Shutdown Standard
Overspeed Shutdown Standard, 72 Hz
Overcrank Protection Standard
Automatic Voltage Regulator with Over-Voltage Protection Standard
Engine Warmup 10 seconds
Engine Cool-Down 1 minute
Safety Fuse Standard
Starter Lockout Starter cannot re-engage until 5 seconds after the engine has stopped
2 Amp Timed Trickle Battery Charger Standard
Auto Switch

Utility failure/7 day exercise

Off Switch Stops unit. Power is removed. Control and charger still operate
Manual / test Start with starter control, unit stays on. If utility fails, transfer to load takes place

Transfer Switch

No. of Poles 2
Current Rating (amps) 100
Voltage Rating (VAC) 250
Utility Voltage Monitor (fixed)
Pick-up
Drop out

70%
60%
Return to Utility Approx. 13 seconds
Exercises 7 minutes weekly Standard
UL Listed Standard
Dimensions (H" x W" x D") 26.5 x 12.5 x 7

Guardian 15 & 20 kW

Generator Set

Model 04721 04723

Rated Power (kW)*

15 20
60 Hz Phase Single Single

Voltage

120/240V 120/240V
Amps @ 120/240V, Single Phase 60 Hz 125/62.5 166.6/83.3

Engine / Alternator RPM

1800 3600
Engine

="center">1.5L OHC 4 cyl.

1.5L OHC 4 cyl.

Fuel

Natural gas or LP gas Natural gas or LP gas
UL 2200 Listed Yes Yes
CSA Listed Yes Yes
Main Line Circuit Breaker 70 Amp 90 Amp
Engine Cooling Liquid Liquid

Dimensions (L" x W" x H")

68 x 30 x 40 68 x 30 x 40
Unit Wt. (lbs.)** 980 985

* Natural gas and LP gas rating may decrease depending on btu content of local gas supply. Proper sizing of tank/piping is required to ensure full output.
** Includes Transfer Switch

Controls

Start / Stop Control Cyclic cranking: 7 seconds on, 7 seconds rest. 90 seconds overcrank protection.

Automatic Low Oil Shutdown

Standard
Overspeed Shutdown Standard, 70 Hz

Overcrank Protection

Standard
Automatic Voltage Regulator with Over-Voltage Protection Standard

Engine Warmup

15 seconds
Engine Cool-Down 1 minute

Safety Fuse

Standard
Starter Lockout Starter cannot re-engage until 5 seconds after engine has stopped

2 Amp Timed Trickle Battery Charger

Standard
Mode Switch: Auto Switch Utility failure/7 day exerciser

Auto Switch

Utility failure/7 day exercise
Off Switch Stops unit. Power is removed. Control and charger still operate

Manual / Test

Start with starter control, unit stays on. If utility fails, transfer to load takes place

Guardian 25 kW

Generator Set

Model 04725

Rated Power (kW)*

25
60 Hz Phase Single

Voltage

120/240V
Amps @ 120/240V, Single Phase 60HZ 208.3/104.2

Engine / Alternator RPM

3600
Engine 1.5L OHC 4 cyl.

Fuel

Natural gas or LP gas
UL 2200 Listed Yes
CSA Listed Yes
Main Line Circuit Breaker 125 Amp
Engine Cooling Liquid

Dimensions (L" x W" x H")

68 x 30 x 40
Unit Wt. (lbs.)** 1010

*Natural gas and LP gas rating may decrease depending on btu content of local gas supply. Proper sizing of tank/piping is required to ensure full output.
** Includes Transfer Switch

Controls
Start / Stop Control Cyclic cranking: 7 seconds on, 7 seconds rest. 90 seconds overcrank protection.

Automatic Low Oil Shutdown

Standard
Overspeed Shutdown Standard, 70 Hz

Overcrank Protection

Standard
Automatic Voltage Regulator with Over-Voltage Protection Standard

Engine Warmup

15 seconds
Engine Cool-Down 1 minute

Safety Fuse

Standard
Starter Lockout Starter cannot re-engage until 5 seconds after engine has stopped

2 Amp Timed Trickle Battery Charger

Standard
Mode Switch: Auto Switch Utility failure/7 day exerciser

Auto Switch

Utility failure/7 day exercise
Off Switch

Stops unit. Power is removed. Control and charger still operate

Manual / Test

Start with starter control, unit stays on. If utility fails, transfer to load takes place

Guardian 30 kW

Generator Set

Model 4988

Rated Power (kW)*

LPG 30 / NG 27
60 Hz Phase

Single

Voltage

120/240V
Amps @ 120/240V, Single Phase 60HZ

250.3/125.0

Engine / Alternator RPM

1800
Engine 3.0L L V-6

Fuel

Natural gas or LP gas
UL 2200 Listed Yes
CSA Listed Yes
Main Line Circuit Breaker 150 Amp
Engine Cooling Liquid

Dimensions (L" x W" x H")

76 x 33.5 x 42.2
Unit Wt. (lbs.)**

1350

* Natural gas and LP gas rating may decrease depending on btu content of local gas supply. Proper sizing of tank/piping is required to ensure full output.
** Includes Transfer Switch

Guardian 40 kW

Generator Set

Model 04992

Rated Power (kW)*

LP 40 / NG 37
60 Hz Phase Single

Voltage

120/240V
Amps @ 120/240V, Single Phase 60Hz LP 333.3 / 166.6
NG 308.3 / 154.2

Engine / Alternator RPM

1800
Engine 3.9L V6

Fuel

Natural gas or LP gas
UL 2200 Listed Yes
CSA Listed Yes
Main Line Circuit Breaker 200 Amp

Dimensions
(L" x W" x H")

76.1 x 33.5 x 42.2
Unit Wt. (lbs.)** 1400

* Natural gas and LP gas rating may decrease depending on btu content of local gas supply. Proper sizing of tank/piping is required to ensure full output.
** Includes Transfer Switch

Controls

Start / Stop Control Cyclic cranking: 7 seconds on, 7 seconds rest. 90 seconds overcrank protection.

Automatic Low Oil Shutdown

Standard
Overspeed Shutdown Standard, 70 Hz

Overcrank Protection

Standard
Automatic Voltage Regulator with Over-Voltage Protection Standard

Engine Warmup

15 seconds
Engine Cool-Down 1 minute

Safety Fuse

Standard
Starter Lockout Starter cannot re-engage until 5 seconds after engine has stopped

2 Amp Timed Trickle Battery Charger

Standard

Auto Switch

Utility failure/7 day exercise

Off Switch

Stops unit. Power is removed. Control and charger still operate
Manual / Test Start with starter control, unit stays on. If utility fails, transfer to load takes place

Guardian Elite 20 & 25 kW

Generator Set

Model Number 5210 5212

Rated Power LP (kW)

20 25
Rated Power NG (kW) 20 25

Voltage @ 60 Hz

120/240 120/240
Phase Single Single

Frequency

60 Hz 60 Hz

Amps LP

166.6/83.8 208.3/104.2
Amps NG 166.6/83.8 208.3/104.2

Engine/Alternator RPM

3600/3600 1800/1800
Engine 1.5 Liter
In-line
4-cylinder
2.5 Liter
In-line
4-cylinder

EPA/CARB Certified

Yes Yes
Fuel Natural Gas/
LP Gas
Natural Gas/
LP Gas

Engine Cooling

Liquid Liquid
UL2200 Listed Yes Yes
CUL Listed Yes Yes
Main Line Circuit Breaker 100 Amp 125 Amp

Dimensions (L" x W" x H")

71 x 29.5 x 36 71 x 29.5 x 36
Unit Wt. (lbs.) 776 1045
Specifications subject to change without notice.

Controls

Start/Stop Control Cyclic cranking: 7 seconds on, 7 seconds rest. 90 seconds overcrank protection.
Automatic Low Oil Shutdown Standard
Overspeed Shutdown Standard, 70 Hz
Overcrank Protection Standard
Automatic Voltage Regulator with Over-Voltage Protection Standard
Engine Warmup 10 seconds
Engine Cool-Down 1 minute
Safety Fuse Standard
Starter Lockout Starter cannot re-engage until 5 seconds after the engine has stopped
2 Amp Timed Trickle Battery Charger Standard
Auto Switch Utility failure/7 day exercise
Off Switch Stops unit. Power is removed. Control and charger still operate
Manual / test

Guardian Elite 30 & 40 kW

Generator Set
Model Number 5219 5221

Rated Power LP (kW)

30

 40*

Rated Power NG (kW) 27 37

Voltage @ 60 Hz

120/240

120/240

Phase Single Single

Frequency

60 Hz

60 Hz

Amps LP

250/125

333.3/166.6

Amps NG 225/112.5 308.3/154.2

Engine/Alternator RPM

1800/1800

1800/1800

Engine 3.0 Liter
V-6
3.9 Liter
V-6

EPA/CARB Certified

Yes

NO*

Fuel Natural Gas/
LP Gas
Natural Gas/
LP Gas

Engine Cooling

Liquid

Liquid

UL2200 Listed Yes Yes
CUL Listed Yes Yes
Main Line Circuit Breaker 150 Amp 175 Amp

Dimensions (L" x W" x H")

77 x 33.5 x 45

77 x 33.5 x 45

Unit Wt. (lbs.) 1431 1658

Controls

Start/Stop Control Cyclic cranking: 7 seconds on, 7 seconds rest. 90 seconds overcrank protection.
Automatic Low Oil Shutdown Standard
Overspeed Shutdown Standard, 70 Hz
Overcrank Protection Standard
Automatic Voltage Regulator with Over-Voltage Protection Standard
Engine Warmup 10 seconds
Engine Cool-Down 1 minute
Safety Fuse Standard
Starter Lockout Starter cannot re-engage until 5 seconds after the engine has stopped
2 Amp Timed Trickle Battery Charger Standard
Auto Switch Utility failure/7 day exercise
Off Switch Stops unit. Power is removed. Control and charger still operate
Manual / test Start with starter control, unit stays on. If utility fails,transfer to load takes place

PORTABLE GENERATORS

GUARDIAN Portable
Generator Model
12500 15000

Model Number

04451

04582

Rated Watts 12500 15000

Surge Watts

18750

22500

Voltage (Vac) 120/240 120/240

Output (A)

104/52

125/62.5

Engine Type Generac V-Twin
OHVI 760cc
27 HP
Electric Start
Generac V-Twin
OHVI 992cc
30 HP
Electric Start

Weight

417

450

Dimensions (H" x W" x L")
Fully assembled with handle and wheel kit
38.5 x 30.75 x 48.5 38.5 x 30.75 x 48.5

Full Pressure Lubrication

X

X

Single Point Lifting X X

Spin-on Oil Filter

X

X

Automotive 3-stage Air Filtration X X

Automatic Idle Control

X

X

Lifetime Carbon Excitation Brushes X X

Low Oil Pressure Shutdown

X

X

Automatic VoltageRegulation (AVR) X X

Solid State Volt. Regulator

X

X

GFI Protection X X

Anti-Vibration System

X

X

Circuit Breakers X X

Battery Charge Cables

X

X

Maintenance Free Battery X X

Full 1-1/4" Tubular Frame

X

X

Pneumatic Wheel Kit X X

Electronic Governor

X

X

MSRP $2,475.00 $2,715.00

RECREATIONAL VEHICLE PRODUCTS

IMPACT® Series

Model 36G plus II 36LP plus II

Model #

00940 00941

Engine

Generac OHVI Generac OHVI
# of Cylinders Single Single

Engine RPM

Variable Variable
Fuel Gasoline Propane

Wattage

3600 3400
Weight LBS. 97 99
Dimensions L x W x H (in.) 18.38 x 15.75 x 16.75 20.5 x 17.0 x 16.75

Average Fuel Consumption

No Load
1/2 Load
Full Load
gal./hr.

0.14
0.32
0.54
gal./hr./cu.ft./hr.

0.20/0.84
0.41/1.72
0.77/3.25

Hertz

60 60
Phase Single Single

Volts

120 120
Amps 30.0 28.3

Typical Applications

Truck Camper
Travel Trailer
Fifth Wheel
Truck Camper
Travel Trailer
Fifth Wheel

Primepact® Series

Model 50G 50LP
Model # 02010 04164
Engine Generac OHVI Generac OHVI
# of Cylinders Single Single
Engine RPM 2570 2570
Fuel Gasoline Propane
Wattage 4800 4500
Weight (lbs.) 198 200

Dimensions L x W x H (in.)

25.5 x 18.88 x
16.75
25.75 x 18.88 x
16.75
Average Fuel Consumption

No Load
1/2 Load
Full Load
gal./hr.

0.32
0.46
0.76
gal./hr./cu.ft./hr.

0.47/1.97
0.72/3.06
1.25/5.32
Hertz 60 60
Phase Single Single
Volts 120 120
Amps 40 37.5

Typical Applications

Class A
Class C
Travel Trailer
Class A
Class C
Travel Trailer

Quietpact® Series

Model 40G 55G 55LP
Model # 04700 04702 04703
Engine Generac OHVI Generac OHVI Generac OHVI
# of Cylinders Single Two (V-Twin) Two (V-Twin)
Engine RPM 3600 2200 2200
Fuel Gasoline Gasoline LPG
Wattage 3600 5500 5500
Weight (lbs.) 165 326 329
Dimensions L x W x H (in.) 29.5 x 19.0 x 13.5 33.7 x 22.2 x 19.6 33.7 x 22.2 x 19.6
Average Fuel Consumption

No Load
1/2 Load
Full Load
(gal./hr.)

0.23
0.32
0.55
(gal./hr.)

0.51
0.73
0.97
(gal./hr.)/cu.ft./hr.

(0.55)/2.34
(0.93)/3.96
(1.20)/5.07
Hertz 60 60 60
Phase Single Single Single
Volts 120 120 120
Amps 30 45.8 45.8
Typical Application Class C w/ 1 Air Conditioner
Travel Trailer
Van & Truck Camper
Class A
Class C
Travel Trailer
Class A
Class C
Travel Trailer

Model 65G 65LP 75G
Model # 04704 04705 04706
Engine Generac OHVI Generac OHVI Generac OHVI
# of Cylinders Two (V-Twin) Two (V-Twin) Two (V-Twin)
Engine RPM 2571 2571 2571
Fuel Gasoline LPG Gasoline
Wattage 6500 6500 7500
Weight (lbs.) 328 331 330
Dimensions L x W x H (in.) 33.7 x 22.2 x 19.6 33.7 x 22.2 x 19.6 33.7 x 22.2 x 19.6
Average Fuel Consumption

No Load
1/2 Load
Full Load
(gal./hr.)

0.51
0.76
1.07
(gal./hr.)/cu.ft./hr.

(0.55)/2.34
(1.0)/4.20
(1.53)/6.50
(gal./hr.)

0.51
0.8
1.28
Hertz 60 60 60
Phase Single Single Single
Volts 120 120 120/240
Amps 54.2 54.2 62.5/31.2

Typical Application

Class A
Fifth Wheel

Class A
Fifth Wheel

Class A
Fifth Wheel

Model 75LP 75D
Model # 04707 04270
Engine Generac OHVI Diesel
# of Cylinders Two (V-Twin) Three
Engine RPM 2571 1950
Fuel LPG Diesel
Wattage 7500 7500
Weight (lbs.) 333 486
Dimensions L x W x H (in.) 33.7 x 22.2 x 19.6 36.6 x 23.8 x 22.3
Average Fuel Consumption

No Load
1/2 Load
Full Load
(gal./hr.)/cu.ft./hr.

(0.55)/2.34
(1.05)/4.44
(2.06)/8.75
(gal./hr.)

0.31
0.57
0.74
Hertz 60 60
Phase Single Single
Volts 120/240 120/240
Amps 62.5/31.2 62.5/31.2

Typical Application

Class A
Fifth Wheel

Class A







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