Generac Power Systems SMM Kurzanleitung

Owner’s/Installation Manual for SMM i

Owner’s/Installation Manual

100A Smart Management Module

(SMM)

SAVE THIS MANUAL FOR FUTURE REFERENCE

MODEL: G007006-0

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

(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 resul

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

How to Obtain Service .................................................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, and

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 a 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 the 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 proper maintenance and safe use of the

unit.

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.

How to Obtain Service

When the unit requires servicing or repairs, contact Gen-

erac Customer Service at 1-888-GENERAC (1-888-436-

3722) or visit www.generac.com for assistance.

When contacting Generac Customer Service about parts

and service, always supply the complete model and

serial number of the unit as given on its data decal

located on the unit. Record the model and serial numbers

in the spaces provided on the front cover of this manual.

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

2 Owner’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 avoid 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.

•SACM inputs 1–4 have fixed priorities of 1–4,

respectively. SMM’s can be individually set to prior-

ities 1–8.

•To reduce loads returned to the generator all at

once, it is best to set 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.

•A SMM can share a priority with an A/C priority on

the SACM provided the generator is sized to han-

dle the combined surge load from both appliances.

•Sharing priorities can allow up to 12 loads to be

managed in a correctly sized system.

In any combination of modules, 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 thermo-

stat wire is not available, a SMM must be used to break

the power at the HVAC load itself.

Smart Management Module (SMM)

Any 240V loads up to 100A (resistive, 90A inductive),

including central air conditioners, can be managed using

a SMM. The system can accommodate up to eight indi-

vidual 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

4 Owner’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 sec-

onds 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 OPEN. If generator begins to

overload, the contactor opens to take load off generator

power. See Connections.

Mounting Holes (F)—Internal enclosure mounting holes

provide clean and sturdy mounting.

Directional Arrows (G)—Provided for mounting pur-

poses.

Priority Decal (H)—Provided for recording priority of

each module in installation. Install on electrical panel.

Figure 2-1. SMM Features and Controls

AB C D

009380

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 an entire

subpanel of multiple branch circuits.

Proceed as follows to set SMM to enable standard lock-

out mode:

1. See Figure 2-2. Slide lockout switch (1) to LOCK-

OUT LOAD ON GENERATOR.

2. Set mode selector jumper (4) on the control board

as directed in Jumper Locations.

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

•(4) Mode Selector Jumper (identified on control

board as “Lock Out Jumper”)

The frequency jumper is factory set at the 60 Hz position.

The mode selector jumper is factory set at position “A”,

which is considered standard for most installations.

Jumpers should remain in place except when operating

the unit under either or both of the following conditions:

•Operating the unit at 50 Hz requires moving fre-

quency jumper to “50 Hz” position.

•For installations in areas with unstable utility

power, set mode selector jumper to position “B”.

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

007115

General Information and Setup

6 Owner’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. This setting

is considered standard for most installations.

LOCKOUT LOAD ON

GENERATOR B Generator Module sheds load and does not reconnect until utility returns. This setting

is recommended for installations in areas with unstable utility power.

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 load is connected. Lockout switch

must be ON. See Table 2-2.

Normal ON Generator or

Utility

Indicates 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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