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All installations and services must be performed by qualified service personnel.
1
II. FURNACE SPECIFICATIONS
CHB1 SERIES
MODEL NO.
CHB1-50
CHB1-75
CHB1-100
CHB1-125
BTU/HR INPUT
50,000
75,000
100,000
125,000
BTU/HR OUTPUT
47,000
72,000
94,000
116,000
HT. OF CASING
44-1/4”
44-1/4”
44-1/4”
44-1/4”
WIDTH OF CASING
17”
17”
21”
24”
DEPTH OF CASING
27-1/2”
27-1/2”
27-1/2”
27-1/2”
WARM AIR OUTLET
15 x 18
15 x 18
19 x 18
22 x 18
RETURN AIR INLET
25 x 16
25 x 16
25 x 16
25 x 16
DIA. OF FLUE
2”
2”
3”
3”
DIA. OF COMBUSTION
AIR INTAKE
2” 2” 3” 3”
CFM @ .2” & .5” w.c.
EXTERNAL STATIC PRESSURE
.2” .5” .2” .5” .2” .5” .2” .5”
@HI SPEED
1100 860
1600 1380
1940 1700
2770 2060
@MH SPEED
1000 720
1250 1150
1720 1540
1800 1700
@ML SPEED
-- --
1030 930
1530 1380
1730 1600
@LO SPEED
610 420
820 700
1340 1220
1670 1550
TEMPERATURE RISE
70
70
70
70
BLOWER MOTOR HP
.20
.41
.50
.75
NO. OF SPEEDS
3
4
4
4
RUN CAPACITOR
10 mfd
10 mfd
10 mfd
10 mfd
LARGEST RECOMMEDED
AIR CONDITIONER
2 Ton 3.5 Ton 4 Ton 5 Ton
SIZE OF FILTERS
24-3/4” x 15-3/4”
24-3/4” x 15-3/4”
24-3/4” x 15-3/4”
24-3/4” x 19-3/4”
NOTES:
1. BTU output based on annual fuel utilization efficiency rated by manufacturer.
2. On all outlet and inlet dimensions, the first dimension is width.
3. To permit largest recommended air conditioning (at .5 static pressure), selection of the highest motor speed is
required.