Armstrong ES180 SERIES Installation guide

Brand: Armstrong

Model: ES180 SERIES

Type: Installation guide

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A__ CONDmONING INC.

ELECTRIC HEAT

D)zeoh.i='

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Litho U.S.A.

503,025M

2/96

Supersedes 1/96

ES180/ES240 SERIES HEATERS

INSTALLATION INSTRUCTIONS FOR ES180/ES240 SERIES ELECTRIC HEATERS FOR USE

WITH AHV180/AHV240 AND AHH180/AHH240 SERIES UNITS

Package 1 or 1 contains:

1- Electric element/harness!control box assembly

4- Bolts

4- Washers

4- Lockwashers

1- Plastic bushing

1- Strain relief bushing

1- Snap hole plug

Insulation strips

Inspect package upon recewing. If any damage is

found, contact last carrier immediately.

Installation of these electric heaters must conform

with standards in National Fire Protection

Association (NFPA) "Standard for Installation of Air

Conditioning and Ventilation Systems NFPA No.

90A," "Standard for the Installation of Residence

Type Warm Air Heating and Air Conditioning Systems

NFPA No. 90B," manufacturer's installation

instructions and local municipal building codes.

Heaters are approved for clearance to combustible

materials as listed on heater rating plate. Accessibility

and service clearances must take precedence over

fire protection clearances. All wiring must conform

with local codes and the National Electric Code (NEC)

ANSI-C1.

ES180/240 series heaters are used as primary heaters

for AHV and AHH series units. These heaters may be

installed in either upflow or horizontal application

and are designed for indoor use only.

ES180 heaters are used with AHV180/AHH180 units.

ES240 heaters are used with AHV240iAHH240 units.

1-Remove duct work from supply air side of

blower/coil unit (if unit has been previously

installed).

2- Remove blower access panel.

3-Apply provided insulation strips around the

adjoining cabinet surfaces. See figures 1 and 2.

4- Remove 3" knockout in corner of AHV/AHH unit.

5-Align heater unit with blower/coil unit; four

mounting holes in blower coil cabinet line up with

four spot nuts in ES unit and pipe nipple on ES

unit lines up with knockout just removed. Refer to

figures 1 and 2.

6- Bolt the two cabinets together using bolts and

washers provided.

7-Install bushing provided with ES on wiring

conduit nipple.

HORIZONTAL APPLICATION

INSTALL BOLT, LOCKWASHER,

BUSHING WASHER, SPOTNUT

PROVIDED

INSULATION

STRIPS

ALIGN WIRING CONDUIT NIPPLE

WITH KNOCKOUT IN BLOWER/COIL UNIT

ALIGN THE FOUR HOLES IN BLOWER COIL CABINET

WITH THE FOUR SPOTNUTS IN ES CABINET.

FIGURE 1

Page1

UPFLOW APPLICATION

BOLT,

LOCKWASHER,

ASHER, SPOTNUT

INSTALL BUSHING PROVIDE[')

ES UNIT

AHV UNIT

_/ ALIGN THE FOUR

HOLES IN BLOWER

_._q_ COIL CABINET WITH

FOUR SPOTNUTS IN

ES CABINET.

ALIGN WIRING CONDUIT NIPPLE

WITH KNOCKOUT IN BLOWER/COIL UNIT

FIGURE 2

If ES heater is being installed in an existing AHV or

AHH installation, a change in power supply wiring

will be required. Remove original supply wires or

disconnect source and blower contactor kit. Install

snap hole plug in mullion.

1- The ES unit contains the blower motor contactor

relay, wiring harness and subfusing. Route the

blower motor harness from the blower motor

contactor through the box containing the

subfusing though the wiring conduit nipple into

the blower/coil unit to the blower motor wiring

make-up box. Secure the strain relief bushing,

provided, at the blower motor wiring make-up

box. See wiring diagram figure 3 for proper

wiring.

2- High and low voltage field wiring provisions are

provided in the ES series units.

ES electric heater applications require specific blower

air volumes. To determine unit cfm, refer to the

AHV/AHH series installation instructions.

Refer to AHV/AHH series installation instructions and

to the AHV/AHH series heater installed nameplate for

proper duct connections and clearances.

Set room sensor for proper HEAT or AUTO operation

if switching subbase is used. Close disconnect switch

and position heat setpoint lever above room

temperature.

Page 2

COOLING WITH

ELECTRIC HEAT

THERMOSTAT

I I L"I_-" i

I I

fTof I I

CONDENSING I I

UNrT 3UN CTION

BOX j

= L,_L3 I i

=<F L_,

_it 6.°°.°

,,,.

USE COPPER

CONDUCTORS ONLY

FACTORY PROVIDED

_7--- LOWVOLTAGEMAKE.UPBOX FIELD ,:STALLEy

"_ i i = |,..ll , - ,i,

_I__EL__LO_W

lit"

•e_P_:_LFUSE6LOCK

BLOWER }

208 & 4_0 VOLT

AHV/AHH

SUITABLE FOR ToPC {16PF) _r ._ REFER TO MOTOR SCHEMATIC FOR

HIGH VOLTAGE...# /1_ PROPER LEAD CONNECTIONS.

NOTE - REFER TO MAKE-UP BOX

UNIT SCHEMATIC

FOR PROPER FIELD

WIRE CONDUCTOR

SIZE.

LINE VOLTAGE INSTALLED AT FACTORY

LOW VOLTAGE INSTALLED AT FACTORY

LINE VOLTAGE TO BE INSTALLED

LOW VOLTAGE TO BE INSTALLED

NEC CLASS Z

FIELD WIRING DIAGRAM FOR

ES180/ES240 SERIES ELECTRIC HEATERS

FIGURE 3

Page 3

Armstrong ES180 SERIES Installation guide

Armstrong ES180 SERIES Installation guide

Armstrong ES180 SERIES Installation guide

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