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HDG Series Air Handler INSTALLATION INSTRUCTIONS Heat Controller, Inc.
7
Model Size
Dimensions Unit Weight lbs. [kg]
Unit Height
in. [mm]
Unit Weight
in. [mm]
Unit Lenght
in. [mm]
Supply Duct
“A” in [mm] Net Shipping
HDG18 41
3
/8" [1050] 18
1
/8" [460] 20
1
/2" [520] 16" [406] 106 [48] 119 [54]
HDG 24 41
3
/8" [1050] 18
1
/8" [460] 20
1
/2" [520] 16" [406] 106 [48] 119 [54]
HDG 30 41
3
/8" [1050] 18
1
/8" [460] 20
1
/2" [520] 16" [406] 119 [54] 132 [60]
HDG36 46
1
/2" [1180] 19
5
/8" [500] 20
5
/8" [550] 18" [456] 141 [64] 156 [71]
HDG42 46
1
/2" [1180] 19
5
/8" [500] 20
5
/8" [550] 18" [456] 141 [64] 156 [71]
HDG48
54
1
/2” [1385] 22” [560] 24" [610] 19
1
/2” [496] 171 [78] 187 [85]
HDG60
54
1
/2” [1385] 22” [560] 24" [610] 19
1
/2” [496] 171 [78] 187 [85]
UPFLOW UNIT SHOWN;
UNIT MAY BE INSTALLED UPFLOW, DOWNFLOW,
HORIZONTAL RIGHT, OR LEFT AIR SUPPLY.
W
A
1
0
5
1
6
SUPPLY AIR
FLANGES ARE PROVIDED
FOR FIELD INSTALLATION
ELECTRICAL CONNECTIOS
MAY EXIT TOP OR EITHER SIDE
HIGH VOLTAGE CONNECTION 7/8”,
1-23/64”, 1-23/32” DIA KNOCK OUTS
LOW VOLTAGE CONNECTION
BREAKER SWITCH
(FOR ELECTRIC HEATER ONLY)
VAPOR LINE CONNECTION COPPER (SWEAT)
LIQUID LINE CONNECTION COPPER (SWEAT)
AUXILIARY DRAIN CONNCECTION 3/4”
FEMALE PIPE THREAD (NPT)
AUXILIARY DRAIN CONNECTION 3/4”
FEMALE PIPE THREAD (NPT)
PRIMARY DRAIN CONNCETION 3/4”
FEMALE PIPE THREAD (NPT)
H
D
NOTE: 24” CLEARANCE IS REQUIRED IN THE FRONT
OF THE UNIT FOR FILTER AND COIL MAINTENANCE.
HIGH VOLTAGE CONNECTION 7/8”,
1-3/8”, 1-3/4” DIAMETER KNOCK OUTS
Fig. 1 Dimensions
3.1 Unit Dimensions
Dimensional Data