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Qmark Type CU Cabinet Unit Heaters


CUS900


CU900

Qmark Electric Heating Products
We are an authorized distributor for Qmark

APPLICATIONS

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 

bulletPower Supply Connections In Control compartment

SELECTION CHART
SERIES
HEATING
CAPACITY
FINAL
AIR
TEMP
(Deg.F)+
CFM*
TOTAL LINE AMPERAGE (Includes motor amps)
KW
BTU/HR
208
1 PH
60 HZ
208
3 PH
60 HZ
 
240
1 PH
60 HZ
 
240
3 PH
60 HZ
 
277
1 PH
60 HZ
 
347
1 PH
60 HZ
 
380
3 PH
60 HZ
 
480
3 PH
60 HZ
 
600
3 PH
60 HZ
CU935

CABINET LENGTH
35 in.
2
3
4
5
6
7
8
 
6,826
10,239
13,652
17,065
20,478
23,891
27,304
 
85
98
111
123
136
148
161
 
250
10
15
20
25
30
34
39
 
6
9
12
15
17
20
23
 
9
13
17
22
26
30
34
 
6
8
10
13
15
18
20
 
8
12
15
19
22
26
30
 
7
9
12
15
18
21
24
 
4
5
7
8
10
11
13
 
3
4
6
7
8
9
10
 
3
4
5
6
7
7
8
 
CU945

CABINET LENGTH
45 in.
4
6
8
10
12
14
16
 
13,652
27,478
27,304
34,130
40,956
47,782
54,608
 
85
98
111
123
136
148
161
 
500
20
30
40
48
59
68
78
 
12
18
23
29
34
40
46
 
18
26
34
43
51
59
68
 
11
16
20
25
30
35
40
 
16
23
30
37
44
52
59
 
13
18
24
30
36
41
47
 
7
10
13
16
19
22
25
 
6
8
11
13
16
18
20
 
5
7
9
11
13
15
17
 
CU958

CABINET LENGTH
58 in.
6
8
10
12
14
16
 
20,478
27,304
34,130
40,956
47,782
54,608
 
85
96
103
111
118
128
 
750
30
40
48
59
68
78
 
18
23
29
34
40
46
 
26
34
43
51
59
68
 
16
20
25
30
35
40
 
23
30
37
44
52
59
 
18
24
30
36
41
47
 
10
13
16
19
22
25
 
8
11
13
16
18
20
 
7
9
11
13
15
17
 
CU968

CABINET LENGTH
68 in.
6
9
12
15
18
21
24
 
20,478
30,717
40,956
51,195
61,434
71,673
81,912
 
85
98
111
123
136
148
161
 
750
31
45
60
74
88
N/A
N/A
 
19
27
35
44
52
60
69
 
27
39
52
64
77
89
N/A
 
16
24
31
38
45
52
60
 
24
34
45
56
67
78
N/A
 
19
28
36
45
54
62
71
 
11
16
20
25
29
34
38
 
9
13
16
20
24
27
31
 
8
11
13
16
19
22
25
 
CU978

CABINET LENGTH
78 in.
8
12
16
20
24
28
32
 
27,304
40,956
54,608
68,260
81,912
95,564
109,216
 
85
98
111
123
136
148
161
 
1,000
41
60
79
N/A
N/A
N/A
N/A
 
24
36
47
58
69
80
91
 
36
52
69
86
N/A
N/A
N/A
 
21
31
41
50
60
70
79
 
31
46
60
74
N/A
N/A
N/A
 
25
37
48
60
71
83
94
 
14
20
27
33
39
45
N/A
 
12
17
21
26
31
36
41
 
10
14
18
21
25
29
33
 

+ Based On 60 Degree F Inlet Air Temperature. Value Shown For High Speed
* Values Shown Is High Speed
CIRCUIT BREAKERS or FUSED DISCONNECT REQUIRED

OPTIONAL (Field Installed) ACCESSORIES
CATALOG NUMBER
DESCRIPTION
USE WITH HEATER SERIES
FUNCTION
SHIP WT. (lbs.)
CU935RTK
CU945RTK
CU958RTK
CU968RTK
CU978RTK
Ceiling or Wall

Recess Trim Kit

CU935
CU945
CU958
CU968
CU978
Provides a Neat Finish to Semi-Recessed or Full Recessed Applications.
3
4
5
6
7
CU935BK
CU945BK
CU958BK
CU968BK
CU978BK
Floor/Toe-Space

Base Kit

CU935
CU945
CU958
CU968
CU978
16 Gauge, Muted Black Base Is Recessed From the Heater Front and Sides to Provide an Attractive and Practical Floor Mounting Application.
9
10
11
13
15
CU935AWL
CU945AWL
CU958AWL
CU968AWL
CU978AWL
100% Outside Air, Exterior
Aluminum
Wall Louver
CU935
CU945
CU958
CU968
CU978
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.
5
6
7
9
10
CU935WF
CU945WF
CU958WF
CU968WF
CU978WF
Permanent, Reusable

Washable Filter

CU935
CU945
CU958
CU968
CU978
Replaces Standard Filter. Washable Filter Can Be Cleaned and Replaced.
4
6
8
10
12

Installation and Maintenance Instructions
Submittal Sheet

Product Information Sheet
acrobat reader Replacement Parts

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Qmark is a registered trademark of Marley Engineered Products.

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We are a Distributor of Industrial, Commercial and Residential Heaters and Controls. Always consult manufacturers installation instructions for proper installation of the products or systems shown on this website. © Copyright 1999-2015 Mor Electric Heating Assoc., Inc.

MOR ELECTRIC HEATING ASSOC., INC.
5880 Alpine Ave. NW - Comstock Park, MI 49321  USA
Tel 616-784-1121 - 800-442-2581 - Fax 616-784-7775
E-mail: sales@heatersplus.com

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