BTU - Duct Heaters

PRICING GUIDELINES FOR STAGED AND/OR SEQUENCED
THREE PHASE HEATERS @ 440V, 460V, & 480V

For Models 816-5-3 to MR2648-100-3 Heaters Listed on Pages 10A through 14B

Costs of STAGING & SEQUENCING are based on the number of elements in a Heater. Use the first chart shown to determine the number of elements in the Heater to be staged or sequenced. The next chart shows the staging increments offered and the costs. [Over 4 stages - contact factory for cost]

THREE PHASE

THREE PHASE

KW@440V Elements @ 440V KW@460V Elements @ 460V KW@480V Elements @ 480V
5 - 19 3 Star 5 - 19 3 Star 5 - 19.8 3 Star
19.8 - 36 3 Delta 19.8 - 36 3 Delta 21 - 36 3 Delta
37 - 72 6 Delta 37- 38 6 Star 37 - 39.6 6 Delta
73 - 100 9 Delta 39 - 72 6 Delta 41 - 72 6 Delta
    73 - 76 12 Star 73 - 79.8 12 Star
    77 - 100 9 Delta 81 - 100 9 Delta

NOTE: Some of the 6, 9 and 12 element heaters may have alternate construction.

STAGING COSTS OF CONTACTOR CONTROLED HEATERS

Regular No. of Elements 2 Staging Increments Add To Trade Price 3 Staging Increments Add To Trade Price 4 Staging Increments For
Models
Add To Trade Price
3 Star 1/2,1/2 $30 1/3,1/3,1/3 $50.00 1/4,1/4,1/4,1/4
1/4,1/4,1/4,1/4
1/4,1/4,1/4,1/4
8" & 10"
12" to 16"
18"&Larger
N.A.
$175.00*
$200.00*
3 Delta 1/3,2/3
1/2,1/2
NoCharge
$90.00#
1/3,1/3,1/3 $30.00 1/4,1/4,1/4,1/4
1/4,1/4,1/4,1/4
1/4,1/4,1/4,1/4
8" & 10"
12" to 16"
18"&Larger
N.A.
$165.00
$190.00
6 Star 1/2,1/2 NoCharge 1/3,1/3,1/3
1/2,1/4,1/4
1/4,1/4,1/2
$50.00
$30.00
$30.00
1/4,1/4,1/4,1/4 All Models $50.00
6 Delta 1/2,1/2 NoCharge 1/3,1/3,1/3 NoCharge 1/3,1/3,1/6,1/6
1/4,1/4,1/4,1/4
All Models
All Models
$30.00
$220.00*
9 Delta 1/3,2/3
1/2,1/2
NoCharge
$220.00##
1/3,1/3,1/3 NoCharge 1/3,2/9,2/9,2/9
1/4,1/4,1/4,1/4
All Models
All Models
$30.00
$235.00##
12 Star 1/2,1/2 NoCharge 1/3,1/3,1/3 $100.00#* 1/4,1/4,1/4,1/4 All Models No
Charge

Note: Pricing for TWO & THREE Staging is the same for all models at 440V, 460V and 480V.
                See notes below for limitations on certain models.

* May not be available in some short sizes.         # Not available in 8" or 10" models.
** May not be available in sizes under 18" x 42". ## Not available in less than 22" models.
#* May not be available in some models. Consult factory.

CONTROL VOLTAGES: 24V CONTROL COIL(S) IN RELAYS & CONTACTORS IS STANDARD. OTHER COIL VOLTAGES TO 277V AVAILABLE . . . NO ADDITIONAL CHARGE . . . MUST BE SPECIFIED!!

Note: Transformers are an option. See page 16B for costs.

ADDITIONAL OPTIONS including Sequencing, Quiet Contactors, Delay Relays -- SEE PAGES 16A, 16B & 17A

Please Specify any and all Options!!