Generac Power Systems SMM Guida rapida

Owner’s/Installation Manual for SMM i

Owner’s/Installation Manual

50A Smart Management Module

(SMM)

SAVE THIS MANUAL FOR FUTURE REFERENCE

MODEL: G007000-0

DATE PURCHASED:______________

WWW.GENERAC.COM

1-888-GENERAC

(1-888-436-3722)

Para español , visita: http://www.generac.com/service-support/product-support-lookup

Pour le français, visiter : http://www.generac.com/service-support/product-support-lookup

000922

(000209b)

WARNING

Loss of life. This product is not intended to

be used in a critical life support application.

Failure to adhere to this warning could result

in death or serious injury.

ii Owner’s/Installation Manual for SMM

(000393a)

WARNING

CANCER AND REPRODUCTIVE HARM

www.P65Warnings.ca.gov.

Owner’s/Installation Manual for SMM iii

Section 1: Introduction and Safety

Introduction ..........................................................1

Read This Manual Thoroughly ....................................1

Safety Rules .........................................................1

General Hazards ..................................................1

Section 2: General Information and Setup

Load Management Options .................................3

Application Considerations ................................3

Smart Management Module (SMM) ....................3

SMM and Carton Contents ..................................4

Setting Lockout ....................................................5

Jumper Locations ................................................5

Section 3: Installation, Tests, &

Troubleshooting

Electrical Specifications .....................................9

Enclosure Specifications ....................................9

Remove Contents from Carton ...........................9

Tools Needed For Installation ............................9

Mounting Instructions .........................................9

Connections .......................................................10

Setting Priorities ................................................11

Tests ...................................................................11

Utility Test ..................................................................11

Installation Summary .................................................11

Troubleshooting ................................................12

Table of Contents

iv Owner’s/Installation Manual for SMM

This page intentionally left blank.

Introduction and Safety

Owner’s/Installation Manual for SMM 1

Section 1: Introduction and Safety

Introduction

Thank you for purchasing a Generac Smart Management

Module (SMM). SMMs are designed to work together to

prevent the home standby generator from being over-

loaded by large appliance loads. The modules require no

control wires, and provide a cost effective, quick installa-

tion. Use of up to eight modules is available, allowing

protection of your home and necessary appliances.

The information in this manual is accurate based on

products produced at the time of publication. The manu-

facturer reserves the right to make technical updates,

corrections, and product revisions at any time without

notice.

Read This Manual Thoroughly

If any section of this manual is not understood, contact

the nearest Independent Authorized Service Dealer

(IASD) or Generac Customer Service at 1-888-436-3722

(1-888-GENERAC), or visit www.generac.com for start-

ing, operating, and servicing procedures. The owner is

responsible for correct maintenance and safe use of the

unit.

This manual must be used in conjunction with all other

supporting product documentation supplied with the

product.

SAVE THESE INSTRUCTIONS for future reference. This

manual contains important instructions that must be fol-

lowed during placement, operation, and maintenance of

the unit and its components. Always supply this manual

to any individual that will use this unit, and instruct them

on how to correctly start, operate, and stop the unit in

case of emergency.

Safety Rules

The manufacturer cannot anticipate every possible cir-

cumstance that might involve a hazard. The alerts in this

manual, and on tags and decals affixed to the unit, are

not all inclusive. If using a procedure, work method, or

operating technique that the manufacturer does not spe-

cifically recommend, verify that it is safe for others and

does not render the equipment unsafe.

Throughout this publication, and on tags and decals

affixed to the unit, DANGER, WARNING, CAUTION, and

NOTE blocks are used to alert personnel to special

instructions about a particular operation that may be haz-

ardous if performed incorrectly or carelessly. Observe

them carefully. Alert definitions are as follows:

NOTE: Notes contain additional information important to

a procedure and will be found within the regular text of

this manual.

These safety alerts cannot eliminate the hazards that

they indicate. Common sense and strict compliance with

the special instructions while performing the action or

service are essential to preventing accidents.

General Hazards

(000100a)

WARNING

Consult Manual. Read and understand manual

completely before using product. Failure to

completely understand manual and product

could result in death or serious injury.

(000001)

DANGER

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

(000002)

WARNING

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

(000003)

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Electrocution. Turn utility and emergency

power supplies to OFF before connecting

power source and load lines. Failure to do so

will result in death or serious injury. (000116)

DANGER

Introduction and Safety

2Owner’s/Installation Manual for SMM

This page intentionally left blank.

General Information and Setup

Owner’s/Installation Manual for SMM 3

Section 2: General Information and Setup

Load Management Options

Load management systems are designed to work

together to prevent a generator from being overloaded by

large appliance loads. Options include:

•Smart Management Modules (SMMs)

•Smart A/C Module (SACM)—standard in single-

phase 100-800 Amp RTS or RXS transfer

switches.

These options can be used in conjunction or separately.

Application Considerations

Generator overload condition is determined by generator

frequency. Loads are shed when frequency drops below

a preset value for a predetermined time.

A SMM can be used individually or in conjunction with a

SACM to manage a combined total of eight loads. SMMs

operate independently when used in conjunction with the

SACM.

•Use Priorities A/C 1–4 on the SACM as the top pri-

orities, then up to four SMMs as Priorities 5–8.

•Use only select A/C priorities on the SACM as the

top priorities, then use additional SMMs as the

remaining priorities.

•To reduce the loads returned to the generator all at

once, it is best to set the SMM priorities to follow

after the last HVAC load has returned. This allows

the generator to accept loads gradually, reducing

the potential for additional nuisance load shed

events.

In any combination of modules, the recovery times after a

loss of utility power or shutdown due to overload are

shown in Table 2-1.

NOTE: For digital thermostats where a 24 VAC

thermostat wire is not available, an SMM must be used to

break the power at the HVAC load itself.

Smart Management Module (SMM)

Any 240V loads, including central air conditioners, can be

managed using a SMM. The system can accommodate

up to eight individual SMMs.

NOTE: SMMs are self-contained and have individual

built-in controllers.

Table 2-1. Priority Settings

Priority Recovery Time SACM SMM

1 5 minutes Yes Yes

2 5 minutes 15 seconds Yes Yes

3 5 minutes 30 seconds Yes Yes

4 5 minutes 45 seconds Yes Yes

5 6 minutes NA Yes

6 6 minutes 15 seconds NA Yes

7 6 minutes 30 seconds NA Yes

8 6 minutes 45 seconds NA Yes

General Information and Setup

4Owner’s/Installation Manual for SMM

SMM and Carton Contents

Priority Dial (A) – Sets module priority.

NOTE: PRIORITY MUST BE DIFFERENT for each

module in an installation. Priority sets the order in

which loads recover from a load shed event. Recovery

time from a load shed event is five minutes for Priority 1.

Each priority after Priority 1 waits an additional 15

seconds after the initial recovery time. See Table 2-1.

Lockout Switch (B) – Enables or disables lockout func-

tion. Switch positions are LOCKOUT LOAD ON GENER-

ATOR (enabled) and LOCKOUT DISABLED. See

Table 2-2.

NOTE: Recovery time is based on priority dial settings.

See Table 2-1.

Test Button (C) – Disables contactor output for a speci-

fied time.

LED (D) – Provides module status. See Table 2-3.

Contactor (E) – Normally CLOSED. If the generator

begins to overload, the contactor opens to take the load

off generator power. The contactor also opens to take the

load off generator power. See Connections.

Mounting Holes (F) – Internal enclosure mounting holes

provide clean and sturdy mounting.

Priority Decal (G) – Provided for recording priority of

each module in installation. Install on electrical panel.

Figure 2-1. SMM Features and Controls

A B C D

000106

General Information and Setup

Owner’s/Installation Manual for SMM 5

Setting Lockout

SMMs are equipped with a lockout provision. The SMM

can be set to enable LOCKOUT mode if load is identified

as non-essential and does NOT need to operate on

backup power during generator overload. Load can be a

single electrical load or an entire subpanel of multiple

branch circuits.

NOTE: LOCKOUT mode works in an overload condition,

which is determined by generator frequency. If generator

has sufficient capacity, the load will be allowed to turn on

even if control is set to LOCKOUT mode.

See Figure 2-2. To set SMM to enable standard lockout

mode, slide lockout switch (1) to LOCKOUT LOAD ON

GENERATOR.

Jumper Locations

See Figure 2-2. The SMM control board is equipped with

two movable jumpers (2). Jumper locations are indicated

on the diagram:

•(3) Frequency Jumper - default for 60 Hz

•(4) Mode Selector Jumper (identified on control

board as “Lock Out Jumper”) - position A is default

for most applications

NOTE: Change in jumper (4) is only required for specific

applications and should not be moved under normal cir-

cumstances. If unit is installed in an area with unstable

frequency power, change the lockout jumper (4) to posi-

tion B.

IMPORTANT NOTE: Jumper (3) should remain in

place unless in an area with 50 Hz power.

To move a jumper:

1. Remove power.

2. Grasp jumper and pull straight up until it clears the

pins.

3. Move jumper to new location and press it gently

onto the pins until seated.

NOTE: To avoid bending or breaking pins, do not rock

jumper, use excessive force, or pull sideways to remove

it from the SMM control board.

Figure 2-2. Jumper Locations

SW3 SW1

LED

50Hz 60Hz

JUMPER

LOCK OUT

JUMPER

C12

007115

General Information and Setup

6Owner’s/Installation Manual for SMM

Table 2-2. Lockout Switch Settings

Lockout Switch

Setting

Mode

Selector

Jumper

Position

Mode Function

LOCKOUT LOAD ON

GENERATOR A Generator

Module sheds load and does not reconnect until utility returns or

overload goes away. See Setting Lockout. This setting is considered

standard for most installations.

LOCKOUT LOAD ON

GENERATOR B Generator

Module sheds load and does not reconnect until utility returns or

overload goes away. This setting is recommended for installations in

areas with unstable frequency power as described in Setting Lockout.

LOCKOUT LOAD ON

GENERATOR A or B Utility Power is available on module output.

LOCKOUT DISABLED A or B Generator Module operates with standard load shed logic. See Table 2-1 for more

information.

LOCKOUT DISABLED A or B Utility Power is available on module output.

NOTE: Duration of Return to Utility timer is longer in Mode B.

Table 2-3. LED States

State LED State Mode Note

Shed 1 second flash

(1 On – 1 Off) Generator

Module detected an overload and shed its load. This state only occurs in

generator mode, or during a first time utility power-up for five minutes of

initial operation.

Lockout

(30 minutes)

3 second flash

(3 On – 3 Off) Generator

Module detected an overload while trying to recover from a shed situation.

Operation is disabled for 30 minutes.

This state only occurs in generator mode.

Lockout

Switch Active

6 second flash

(6 On – 6 Off) Generator

Module output is disabled and there is no power to the appliance while in

generator mode and generator is overloaded. Lockout switch must be ON.

See Table 2-2.

Lockout

Switch Active ON Utility

Lockout switch operates in generator mode only. It has no function in

utility mode. LED is solid, indicating the load is connected. Lockout switch

must be ON. See Table 2-2.

Normal ON Generator or

Utility

Indicates the appliance has power. This is the default in utility mode. It is

the normal operating state in generator mode when an overload is not

detected.

Test 1 second flash Generator or

Utility

Test button triggers a typical shed condition and overrides all other states

except generator lockout switch ACTIVE state.

NOTE: Actual test time varies depending on SMM priority setting. Use the

following formula to calculate test time:

Time = (P-1) x 15 seconds, where P represents priority setting.

Example: SMM Priority 6 test time = (6-1) x 15 seconds, or 75 seconds.

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