Unitary products group EB23C Guida rapida

DOWNFLOW/UPFLOW

ELECTRIC FURNACE

MODELS: EB SERIES

294135-BTG-B-1207

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

TECHNICAL

GUIDE

TECHNICAL

GUIDE

DESCRIPTION

The EB Series Electric Furnace is actually two systems in

one. As an air handler, it provides airflow for air conditioning

and heat pump cooling requirements. As an electric furnace,

its range of heating capacities makes the EB a perfect match

for the heating requirements of almost any manufactured

home.

WARRANTY

2- year limited parts warranty.

FEATURES

• Zero clearance feature allows the EB to be installed

where space is a premium.

• Pre-painted white front panels provide a scratch resis-

tant, attractive, easy to clean appliance finish.

• Built-in coil cabinet is design-matched to work in con-

junction with Coleman heat pumps and air conditioners,

providing ease of installation and highly efficient operat-

ing performance.

• Air Conditioner and Heat Pump operation ready, all mod-

els have a multi-speed blower capable of handling cool-

ing and heat pump loads.

• Heating package includes specifically designed, long

lasting nickel/chrome heat elements.

• Universal throw-away filter cleans the air, and is easy to

replace.

• Accessory blower kit available for larger A/C and HP

applications.

• As defined by the U.S. Department of Energy, these fur-

naces are 100% efficient when used in specified applica-

tions.

294135-BTG-B-1207

2Unitary Products Group

* Approved for Single Branch Circuit Service Only.

Casing or Cabinet must be permanently grounded in accordance with N.E.C. or other applicable codes.

51-5/8

19-5/8

Sub-Base, if

Used, Adds 7/8”

More to Total

Height and

3/8” to width.

Thermostat

Wiring

Entry

Field

Wiring

Entry

OPTIONAL BOTTOM FIELD

WIRING ENTRY

1-7/8

2-5/8

3-1/2

5-1/16

5-1/2

5-13/16

1-3/4

7-13-16

8-5/8

9-7/16

16-1/2

CBAD

EFG

ELETRICAL DATA

MODEL NUMBER EB23C EB20C EB17C EB15C EB12C EB10C

D.O.E.

OUTPUT

CAPACITY

24 VAC

60 Hz.

1 PHASE

BTU 77,000 67,000 56,000 51,000 39,000 34,000

KW 22.6 19.6 16.4 15.0 11.4 10.0

OUTPUT

CAPACITY

230 VAC.

60Hz.

1 PHASE

BTU 71,000 61,000 52,000 47,000 36,000 31,000

KW 20.8 17.9 15.2 13.8 10.6 9.1

220 VAC

60Hz.

1 PHASE

BTU 65,000 57,000 48,000 43,000 33,000 29,000

KW 19.1 16.7 14.1 12.6 9.7 8.5

ELEMENT

CAPACITY

@ 240 VAC

KW 21.6 19.2 16.0 14.4 11.2 9.6

AMPS90.080.066.760.046.740.0

MOTOR AMPS @ 240 V 4.0 MAXIMUM

CIRCUIT LOAD

AMPS @ 240 V CKT 1 47.3 44.0 47.3 44.0 50.7* 44.0*

CKT 2 46.7 40.0 23.4 20.0 -- --

FILTER SIZE 16 x 20 x 1

SHIPPINGWEIGHTS 868486858483

294135-BTG-B-1207

Unitary Products Group 3

* Requires Jumper Bars (P/N 3500-378P) - Dual Supply for U.S. Only.

T- Refer to N.E.C. Table 250-95 for non-sheated conductor ground wire.

LOCATION

Access for servicing is an important factor in the location of

any furnace. A minimum of 24 inches should be provided in

front of the furnace for access to the heating elements and

controls. This access may be provided by a closet door or by

locating the furnace 24 inches from a facing wall or partition.

FURNACE CLEARANCE

Electric furnace is approved for zero (0) in. clearance to com-

bustible material on all or any part of the furnace exterior and

the inlet or outlet duct work. For furnaces installed in upflow

application, there must be 1” clearance from the outlet duct

work for a distance of 3 feet from the supply air opening.

Clearances must be provided above the furnace for a mini-

mum of 200 sq. inches free opening for return air. For clear-

ances other than shown above see paragraph on Return Air.

EB SERIES BLOWER PERFORMANCE

Static Pressure (Inches of WC) .0 .1 .2 .3 .4 .5 .6 .7 .8

Low Speed

Heating Speed

Models EB10, 12, 15 CFM (STD. Air) 945 936 936 924 915 889 870 813 705

Medium Speed

Heating Speed

Models EB17, 20, 23 CFM (STD. Air) 1160 1145 1145 1140 1129 1109 1073 1027 935

Medium High

with A-Coil in place CFM (STD. Air) 1340 1317 1290 1252 1208 1158 1095 1021 876

High

with A-Coil in place CFM (STD. Air) 1573 1534 1490 1435 1369 1309 1237 1135 1019

SUPPLY CIRCUIT WIRE SIZES - 240 VOLT, 60 CYCLE, SINGLE PHASE - FROM N.E.C. TABLE 310-16

MODELS EB23C* EB20C* EB17C* EB15C* EB12C EB10C

Single Branch

Circuit Service

2 Leads +

1 Ground

CKT #1

2 Leads +

1 Ground

CKT #1

2 Leads +

1 Ground

CKT #1

2 Leads +

1 Ground

CKT #1

2 Leads +

1 Ground

CKT #1

2 Leads +

1 Ground

CKT #1

Nominal Circuit Load - AMPS 94.0 84.0 70.7 64.1 50.7 44.0

Minimum Wire Size (90ºC) #2 #3 #4 #4 #6 #8

Minimum Wire Size (75ºC) #1 #2 #3 #4 #6 #6

Minimum Wire Size (60ºC) #0 #1 #2 #3 #4 #6

Ground Wire Size #6 #6 #8 #8 #8 #10

Max. Fuse (or C.B.) - AMPS 125 110 90 90 70 60

Dual Branch

Circuit Service

4 Leads +

2 Ground 4 Leads +

2 Ground

NOT

APPROVED

CKT #1 CKT #2 CKT #1 CKT #2 CKT #1 CKT #2 CKT #1 CKT #2

Branch Circuit Load - AMPS 47.3 46.7 44.0 40.0 47.3 23.4 44.0 20.1

Branch Circuit Min. Ampacity 59.2 58.4 55.0 50.0 59.2 29.3 55.0 25.2

Minimum Wire Size (90ºC) #6 #6 #8 #8 #6 #10 #8 #10

Minimum Wire Size (75ºC) #6 #6 #6 #8 #6 #10 #6 #10

Minimum Wire Size (60ºC) #4 #4 #6 #6 #4 #10 #6 #10

Ground Wire Size T#10 #10 #10 #10 #10 #10 #10 #10

Max. Fuse (or C.B.) - AMPS 60 60 60 50 60 30 60 30

Subject to change without notice. Printed in U.S.A. 294135-BTG-B-1207

Unitary P.O. Wichita

Products Box KS

Group 19014 67204-9014

RETURN AIR

In order for the furnace to work properly, a closet or alcove

must have a certain total free area opening for return air.

FOR HEATING ONLY FURNACE

Minimum 200 in2free area opening.

Use Return Grille 7900-287P/B,

Or any Return Grille with minimum 200 in2free area opening.

FOR A/C AND HP APPLICATIONS (Standard Blower):

Minimum 250 in2free area opening.

Use Return Grille 7900-287P/B, 1FG0620BK (hinged),

Or Louvered Door 3500-1581, 3500-5851 (bulk pack),

Or any Return Grille with minimum 250 in2free area opening.

FOR A/C AND HP APPLICATIONS (Accessory Blower)

Minimum 330 in2free area opening.

Use Return Grille 1RF1025BK, 1FG0125 (hinged),

Or Louvered Door 3500-1591, 3500-5861 (bulk pack),

Or any Return Grille with minimum 330 in2free area opening.

The return air opening can be located in a closet front door or

a sidewall above the furnace casing, or in a louvered door on

the furnace. If opening for the return air is located in the floor,

side walls or closet door anywhere below furnace casing

height, 6 inches minimum clearance must be provided on the

furnace side where return is located to provide for proper air

flow.

For Upflow installations, a closet that is 32 inches wide by 30

inches deep with a 30-inch wide door is necessary.

AIR FILTER

The filter supplied with the furnace is of the throw-away type.

Filters need to be cleaned frequently. Shake out all loose dirt,

and use vacuum cleaner to clean additionally. This method of

cleaning will prolong life of filters. DO change filters often

since clean filters not only provide added comfort, better and

cleaner environment, but increase the efficiency of the fur-

nace as well.

FILTER LOCATION: The furnace's front panel must be

removed to gain access to the filter of the downflow furnace.

(See Figure 2.) However, the filter for the upflow furnace* is

located behind the return air grill, adjacent to the furnace

closet or any other location in the return air. For EBL series

furnaces air filters (20 x 20 x 1) are located inside the front

panel.

FILTER (IN

DOWNFLOW

ONLY) *

CAVITY

FOR

COIL

THERMOSTAT

WIRES

CIRCUIT

BREAKERS

ELECTRIC

PANEL FIELD WIRING

PROTECTIVE

SHIELD

* Filter in the front panel of EBL series furnace.

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