Bell & Gossett DN0178B User Manual

INSTRUCTION MANUAL

63/4

(171)

NEMA 4 ENCLOSURE

6x6x4.03

(152x152x110)

Dimensions in Inches (mm)

4 (102)

5

/

16 (8) Mounting Hole

(4 Places)

DN0178

REVISION B

Hoffman Specialty

®

Single Phase Simplex
Control Panel

B&G

Dimensions in Inches (mm)

INSTALLER:

PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.

SAFETY
INSTRUCTIONS

This safety alert symbol will be used in this manual and on
the unit safety instruction decals to draw attention to safety
related instructions. When used, the safety alert symbol means
ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
FAILURE TO FOLLOW THE INSTRUCTIONS MAY RESULT IN
A SAFETY HAZARD.

If the decals as noted to the right are missing or are illeg­ible contact your local Hoffman Pump representative for a
replacement.

1. Electrical connections to be made by a qualified Electrician
in accordance with National, State or Local codes.

2. Motor must be sized in accordance with contactor rating
and have internal overload and undervoltage protection.

MODEL NO. 161029

CONTROL VOLTS: 120 VOLT A.C.

PUMP SELECTION

VOLTS: 120/240 VAC HZ: 60 HZ

PHASE: 1 PHASE FLA: 20 AMPS

Bell & Gossett

M Illinois 60053orton Grove,

DN0444

USE COPPER WIRE ONLY

6 0°C INSULATION R ATING F OR A MPACITIES LESS T H A N 1 0 0 A

S80379

7 5°C INSULATION RATI NG FO R AMPACITIES GR EA TER T H A N 1 0 0 A

DNO442

WARNING

BEFORE INSTALLING,
USING OR SERVICING
THIS PRODUCT, READ
THE WARNING NOTES

AND INSTRUCTIONS

IN INSTRUCTION

MANUAL. FAILURE TO

DO SO MAY RESULT
IN SERIOUS INJURY

OR PROPERTY DAMAGE.

PUMP ✽ RUNNING

CAUTION:

DISCONNECT MAIN POWER

DN0445

BEFORE SERVICING

DNO443

CAUTION

G R D

US E TYPE FUSE

AMP

V56846

DN0430

DESCRIPTION

The Hoffman Single Phase Simplex Electrical Control
Panel is designed to provide a reliable means of controlling
one 120 volt or 230 volt (3 wire) single phase pump instal­lation that does not exceed a FLA of 20 amps

.

OPERATION AND MAINTENANCE

Operators must be familiar with all sections of this manual
to understand the operation of the unit.

Hot Water, steam and electricity can be hazardous.

PRELIMINARY INSPECTION

Assure that there is no shipping damage.
Assure that the nameplate ratings agree with the job spec-

ifications and actual conditions.
Assure all connections are secure and made per NEC

requirements.

HANDLING

Use care in installing unit.

LOCATION

Place unit for easy access.
Allow adequate space for servicing. Check ambient

conditions.
Notice: Insulation temperature limits. Ventilate as required.

ELECTRICAL WIRING AND CONTROLS

Connect power wiring per NEC. Recheck nameplate vs.
specifications and conditions.

WARNING: HIGH VOLTAGE ELECTRICITY

Disconnect and lock out power before connecting or
servicing unit. Failure to follow these instructions could
result in serious injury or death.

PUTTING THE UNIT INTO SERVICE

Assure that the main power has been disconnected.

SAFETY INSTRUCTIONS

See Cover of this Manual.

WARNING: HIGH VOLTAGE ELECTRICITY

Disconnect and lock out power before connecting or
servicing unit. Failure to follow these instructions could
result in serious injury or death.

NOTICE / AUTO RESTART

Single phase motors will restart automatically after thermal
overload protector trips.

A properly installed unit should function unattended for
long periods of time. Periodic checks to assure proper
operation are highly recommended. Refer to trouble shoot­ing section when necessary.

Refer to wiring diagrams to determine control switch
settings.

CAUTION: SUBSEQUENT DAMAGE

A unit showing symptoms of possible problems must
be corrected immediately. Failure to follow these instruc-
tions could result in full liability for subsequent injury or
property damage.

UNIT WIRING

WARNING: HIGH VOLTAGE ELECTRICITY

Disconnect and lock out power before connecting or
servicing unit. Failure to follow these instructions could
result in serious injury or death.

WARNING: HIGH VOLTAGE ELECTRICITY

Disconnect and lock out power before connecting or
servicing unit. Failure to follow these instructions could
result in serious injury or death.

Wire unit per National Electrical Code. See representative
wiring diagrams.

Observe operation of unit through several cycles.

Select the required configuration for the control panel to fit
the application. CAUTION: Verify that the incoming voltage
and the motor voltage correspond to the configuration of
the panel. Rewire jumper terminals if necessary.

Disconnect all power.
Identify incoming power and motor voltage configuration

from the Selection Chart below.

SELECTION CHART

Incoming Motor Connect Power Connect Pump Motor Jumper Connect Float Control

Voltage Voltage to Terminals to Terminals Terminals to Terminals

230/1/60 230/1/60 N, L2, L1 T1, T2 — L1, 2
115/1/60 115/1/60 L2, L1 T1, T2 N, L2 L1, 2

2