HUHAA Product Brochure

WALL HEATERS UNIT HEATERS
DIMENSIONS
CATALOG NO. HEIGHT (IN) WIDTH (IN) DEPTH (IN)
HUHAA03 & 05 16 14 8-1/2
HUHAA07 & 10 21-3/4 19 8-1/2
HUHAA15 & 20 21-3/4 19 13-3/4
HUHAA25 & 30 30 26-5/8 13-3/4
HUHAA40 & 50 30 26-5/8 18-1/8
NOTE: Any eld installed options assembled in the factory require added surcharge. See price book for charges. HUHAADS60 disconnect switch is not suitable for eld installation on 7.5kw and 10kw unit heaters.
OPTIONAL FIELD-INSTALLED CONTROLS
CATALOG NO. UPC DESCRIPTION ELECTRICAL RATING COMPATIBLE WITH
UHMT1 6 85360 15241 7
Single Pole Internal Thermostat-Temp Range:
40°- 85°F
25A @ 120, 240VAC Res.
22A @ 277VAC Res.
All HUHAA Series Heaters
(except 5 KW, 208V - 3PH, 208/240V - 3PH, 277V)
UHMT2 6 85360 15242 4
Two Stage Internal Thermostat-Temp
Range: 40°- 85°F
25A @ 120, 240VAC Res.
22A @ 277VAC Res. 125VA
5 KW, 208V, 3-PH and 208/240V 3-PH, 208V: 15, 20,
30 and 50 KW, 208/240V: 25, 30, 40 and 50 KW, 480V:
40 and 50 KW heaters
HUHAAFS 6 85360 03661 8
Internal Summer Fan Switch
480, 600V.A.C. 1,2 OR 3 PH
Pilot Duty 6A, 600VAC Res. 2 HP All HUHAA Series Heaters
HUHAARFS1 6 85360 03671 7
Remote Summer Fan Switch
(Line Voltage)
2 HP, 250-480VAC All HUHAA Series Heaters
HUHAARFS2 6 85360 03672 4
Remote Summer Fan Switch
with Relay (24V Coil-Single Pole Normally Open)
6 AFL, 35 ALR, 250VAC, 60Hz
3 AFL, 18 ALR, 480VAC, 60Hz
All HUHAA Series Heaters
(except 3 and 5 KW, 208V, 208/240V, 277V)
Units unless optional control transformer is supplied
HUHAAHRT 6 85360 03662 5
Heat Recovery Thermostat with Relay (24V
Coil-Single Pole Normally Open) Hi - 120°F,
Low - 60°F
6 AFL, 35 ALR, 250VAC, 60Hz
3 AFL, 18 ALR, 480VAC, 60Hz
All HUHAA Series Heaters
(except 3 and 5 KW, 208V, 208/240V, 277V)
Units unless optional control transformer is supplied
HUHAADS25 6 85360 03659 5 Power Disconnect Switch (3-Pole) 30A @ 600VAC, Res.
HUHAA348, HUHAA548, HUHAA748, HUHAA327, HUHAA1048,
HUHAA324, HUHAA320, HUHAA527, HUHAA1548, HUHAA524
HUHAADS60 6 85360 03660 1 Power Disconnect Switch (3-Pole) 80A @ 600VAC, Res.
HUHAA520, HUHAA2048, HUHAA727, HUHAA2548, HUHAA724,
HUHAA720, HUHAA1027, HUHAA1524, HUHAA3048, HUHAA1024,
HUHAA1020, HUHAA2024, HUHAA4048, HUHAA2020, HUHAA2524,
HUHAA5048
DIFFUSER SELECTOR TABLES FOR VERTICAL MOUNTING
CATALOG NO. DESCRIPTION CATALOG NO.
MAX.
MOUNTING
HEIGHT (A) DIMENSION DIFFUSER PATTERN AND AREA
NONE
NONE
WITHOUT DIFFUSER
No diffuser needed where a straight downflow
air pattern is required. For maximum air throw,
remove louvers. Any of three diffusers can be
added to basic heater.
3 AND 5
71/2 AND 19
9
14
18
26
NONE
NONE
15
20
20
23
35
40
NONE
NONE
25
30
23
20
63
55
NONE
NONE
40
50
28
25
70
63
HUHAALDS
HUHAALDM
LOUVER DIFFUSER
Permits directional (straight line) air flow
as in air curtain application over doorways.
Rectangular coverage, Louvers can be turned in
either direction.
3 AND 5
71/2 AND 19
9
14
25(A) 12(B)
39(A) 19(B)
HUHAALDM
15
20
18
20
50(A) 25(B)
56(A) 28(B)
HUHAALDM
HUHAALDL
25
30
23
20
72(A) 36(B)
HUHAALDL
HUHAALDL
40
50
24
22
88(A) 44(B)
80(A) 40(B)
HUHAALDL
W
H
D