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Qmark® Type CU Cabinet Unit Heaters
CUS900
CU900
We are an authorized distributor for Qmark® |
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APPLICATIONS
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Attractive cabinet enclosure blends into the decorative
schemes of commercial areas.
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The CU900 Combines a Variety of Heating Capacities and Air Deliveries, The
Ability To Electrically Control The Amount of Fresh Air Introduced In To The
Space and Several Control Options and Mounting Methods In a Classic Styled
Cabinet To Provide a Highly Versatile Electric Cabinet Unit Heater.
Typical Applications Include Foyers, Lobbies, Large Rooms, Entryways and Meeting Rooms. The CU900 Fits Well Into
Restaurants, Bowling Alleys, Banks, Retail Stores of All Types, Passenger
Terminals, Theaters, Hotels and Motels, Dormitories and Libraries. Used in offices, stores, schools, churches, hospitals,
dormitories, airport terminals, reception rooms, corridors,
and stairways.
FEATURES
• Neutral Grey Finish Standard
• Balanced Three Phase
• Custom Colors Available
• High / Low Heat Setting
• Terminals for Direct Connection to BAS or EMS
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Basic cabinet can be mounted on the ceiling, floor or
wall.
Heaters can be mounted on the surface, full recessed or
semi-recessed.
Heater can be mounted for air discharge up or down or with
the heater mounted on end the air can be discharged either left or right, to
provide an air door affect. |
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Cabinet constructed of heavy 16 gauge cold-rolled
steel structurally formed to provide strength and rigidity for normal heavy wear
and usage. Cabinet is finished in Neutral Gray epoxy. (Decorator colors
optional.) |
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Nineteen capacities - 2Kw to 32Kw; five cabinet
styles - 35", 45", 58", 68" and 78"
lengths (26-3/8" height x 9-3/4" deep). |
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1/8 hp, PSC, motors are two-speed (1550/1450 rpm).
Motors are resilient mounted with automatic thermal overload
protection. Motor fuse protection is provided on all heaters to meet UL, cUL and
NEC requirements. |
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Plate fin element - steel fins are copper brazed to
low watt density, steel-sheathed tubular heating elements. (90/20 NiCh
resistance wire). Element is finished with aluminized paint for corrosion
resistance. Fins and elements are arranged in a uniform grid pattern and fit
closely into the discharge area to assure that all outgoing air passes through
the heating element. |
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Thermal safety cutout - installed in direct contact
with the heating element. Automatically shuts off the heater in the event of
overheating due to any cause and reactivates the heater when operating
temperature returns to normal. |
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Optional - manual reset thermal safety cutout available. |
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Heaters over 48 amperes have subdivided (circuit
breaker protected) circuits.
Circuit breakers are available as an option on heaters of
less than 48 amps. |
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Built-in thermostat - single pole, snap-action
thermostat with remote bulb sensor located directly in the air intake. (Optional
-built-in two stage thermostat available). Easy and low cost field installation
of a completely packaged heater. |
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24 volt control system - all internal controls,
including the thermostat, are operated from a built-in pre-wired transformer
with a 24 volt secondary. (Optional - 120 volt built-in control available.) |
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Heaters have a tamper-resistant, two position selector
switch to select full heat at high fan speed and reduced heat at low fan speed. |
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Optional built-in fan auto-continuous (Summer fan)
switch provides continuous fan operation with or with-out heat, or automatic
fan cycling as the elements cycle on and oft. |
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Automatic fan delay eliminates cold drafts on start-up
and discharges residual heat from the heater body during shut down. |
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Silent relays, instead of conventional contractors,
eliminate the noise of contactor opening and closing. |
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Optional - low voltage, electronically controlled
outside air damper with rear mounted duct collar or vinyl seal permits
infinite adjustment of outside air from 0% to 100%. Damper closes automatically
in event of power failure or if the "On - Oft" switch is in the off
position. Also closes when the "Open - Closed" switch on the control
panel is in the closed position. (When ordered with night set back relay, damper
will be factory wired to close automatically when night set back is in effect).
NOTE: Front inlet only - not available with bottom inlet.
An aluminum wall louver option provides a finished
touch to the exterior of masonry or panel walls with thickness of 2-3/4" or
greater. |
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Optional - inlet and discharge duct collars - UL
listed - provide easy field connection to field supplied duct work. We do
not recommend exceeding 0.15" wg external Static pressure. |
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Each CU9OOO heater is supplied with a throw-away air
filter mounted in the inlet air stream. Optional permanent (washable)
aluminum tilters are available. |
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A front cover interlock is a standard safety feature
that de-energizes the heater when the front cover is removed. |
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Optional - dead front disconnect switch or fused
dead front disconnect switch, disconnects power to the heater. Control panel
access door can not be opened until power is turned off. |
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Terminals are provided for BAS/EMS tie-in of dry contacts for
night set back. |
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Optional - built-in night set back relay provides
ability to set back heater from energy management systems that Supply 24 volts
to the relay for day operation. |
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Optional - built-in on - off switch allows the
heater to be de-energized when not in use. |
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An optional trim kit is available for a neat finish
to semi-recessed or full recessed applications. |
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A 16 gauge optional kick plate in muted black,
which is recessed from the heater front and sides by one inch, makes an
attractive and practical off-the-floor installation. |
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Optional - inlet and/or discharge duct collars. . |
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U.L. listed
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| Power Supply Connections In Control compartment |
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SELECTION CHART
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- TOTAL LINE AMPERAGE (Includes motor amps)
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208
3 PH
60 HZ
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240
1 PH
60 HZ
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240
3 PH
60 HZ
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277
1 PH
60 HZ
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347
1 PH
60 HZ
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380
3 PH
60 HZ
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480
3 PH
60 HZ
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600
3 PH
60 HZ
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CU935
CABINET LENGTH
35 in.
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2
3
4
5
6
7
8
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6,826
10,239
13,652
17,065
20,478
23,891
27,304
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85
98
111
123
136
148
161
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250
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10
15
20
25
30
34
39
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6
9
12
15
17
20
23
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9
13
17
22
26
30
34
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6
8
10
13
15
18
20
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8
12
15
19
22
26
30
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7
9
12
15
18
21
24
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4
5
7
8
10
11
13
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3
4
6
7
8
9
10
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3
4
5
6
7
7
8
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CU945
CABINET LENGTH
45 in.
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4
6
8
10
12
14
16
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13,652
27,478
27,304
34,130
40,956
47,782
54,608
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85
98
111
123
136
148
161
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500
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20
30
40
48
59
68
78
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12
18
23
29
34
40
46
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18
26
34
43
51
59
68
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11
16
20
25
30
35
40
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16
23
30
37
44
52
59
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13
18
24
30
36
41
47
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7
10
13
16
19
22
25
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6
8
11
13
16
18
20
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5
7
9
11
13
15
17
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CU958
CABINET LENGTH
58 in.
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6
8
10
12
14
16
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20,478
27,304
34,130
40,956
47,782
54,608
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85
96
103
111
118
128
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750
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30
40
48
59
68
78
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18
23
29
34
40
46
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26
34
43
51
59
68
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16
20
25
30
35
40
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23
30
37
44
52
59
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18
24
30
36
41
47
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10
13
16
19
22
25
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8
11
13
16
18
20
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7
9
11
13
15
17
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CU968
CABINET LENGTH
68 in.
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6
9
12
15
18
21
24
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20,478
30,717
40,956
51,195
61,434
71,673
81,912
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85
98
111
123
136
148
161
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750
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31
45
60
74
88
N/A
N/A
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19
27
35
44
52
60
69
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27
39
52
64
77
89
N/A
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16
24
31
38
45
52
60
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24
34
45
56
67
78
N/A
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19
28
36
45
54
62
71
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11
16
20
25
29
34
38
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9
13
16
20
24
27
31
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8
11
13
16
19
22
25
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CU978
CABINET LENGTH
78 in.
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8
12
16
20
24
28
32
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27,304
40,956
54,608
68,260
81,912
95,564
109,216
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85
98
111
123
136
148
161
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1,000
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41
60
79
N/A
N/A
N/A
N/A
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24
36
47
58
69
80
91
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36
52
69
86
N/A
N/A
N/A
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21
31
41
50
60
70
79
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31
46
60
74
N/A
N/A
N/A
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25
37
48
60
71
83
94
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14
20
27
33
39
45
N/A
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12
17
21
26
31
36
41
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10
14
18
21
25
29
33
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+ Based On 60 Degree F Inlet Air Temperature. Value Shown For High Speed
* Values Shown Is High Speed
CIRCUIT BREAKERS or FUSED DISCONNECT REQUIRED
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OPTIONAL (Field Installed)
ACCESSORIES
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CATALOG NUMBER
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DESCRIPTION
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USE WITH HEATER SERIES
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FUNCTION
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SHIP WT. (lbs.)
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- CU935RTK
- CU945RTK
- CU958RTK
- CU968RTK
- CU978RTK
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Ceiling or Wall
Recess Trim Kit
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- CU935
- CU945
- CU958
- CU968
- CU978
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- Provides a Neat Finish to Semi-Recessed or Full Recessed
Applications.
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- CU935BK
- CU945BK
- CU958BK
- CU968BK
- CU978BK
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- CU935
- CU945
- CU958
- CU968
- CU978
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- 16 Gauge, Muted Black Base Is Recessed From the Heater Front and
Sides to Provide an Attractive and Practical Floor Mounting
Application.
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- CU935AWL
- CU945AWL
- CU958AWL
- CU968AWL
- CU978AWL
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- 100% Outside Air, Exterior
- Aluminum
- Wall Louver
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- CU935
- CU945
- CU958
- CU968
- CU978
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- Use on Exterior of Masonry or Panel Walls of 2-3/4" or Greater to
Provide a Finished Exterior. For Heaters With 100% Outside Dampers.
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- CU935WF
- CU945WF
- CU958WF
- CU968WF
- CU978WF
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Permanent, Reusable
Washable Filter
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- CU935
- CU945
- CU958
- CU968
- CU978
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- Replaces Standard Filter. Washable Filter Can Be Cleaned and
Replaced.
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Qmark® is a
registered trademark of Marley Engineered
Products.
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