BTU - Duct Heaters

PRICING GUIDELINES FOR STAGED AND/OR SEQUENCED
THREE PHASE HEATERS @ 208V & 240V

For Models MR810-2.1-3 to MR2448-79.8-3 Heaters Listed on Pages 5A through 7B

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@208V Elements @ 208V KW@240V Elements @ 240V KW@240V Elements @ 240V
2.1-9.0 3 Star 2.1-9.8 3 Star 41-54 9 Delta
9.8-17.25** 3 Delta 11-17.25** 3 Delta 55-59.7 18 Star
18-34.5 6 Delta 18-19.6 6 Star 52 - 72## 12 Delta
35-51.75 9 Delta 20-36 6 Delta 61 - 79.8 24 Star
52-69 12 Delta 37-39.6# 9 Delta  

NOTE: KW's listed above are nominal for ease in determining the number of elements.

**Some models could be Star-wired elements because of physical size (6 Star)
#Some models could be 12 Star. If it affects staging prices, consult factory.
##Models 22" and larger are wired 12 Delta at these KW.

Regular No. of Elements 2 Staging Increments Add To Trade Price 3 Staging Increments Add To Trade Price 4 Staging Increments Add To Trade Price
3 Star 1/2,1/2 NoCharge 1/3,1/3,1/3 $75.00 1/4,1/4,1/4,1/4 $145.00
3 Delta 1/3,2/3
2/3,1/3
1/2,1/2
NoCharge
$20.00
$90.00
1/3,1/3,1/3 $25.00 1/4,1/4,1/4,1/4 $135.00
6 Star 1/2,1/2 NoCharge 1/2,1/4,1/4
1/4,1/4,1/2
1/3,1/3,1/3*
$25.00
$25.00
$150.00
1/4,1/4,1/4,1/4 $40.00
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*
$35.00
$160.00
9 Delta 1/3,2/3
1/2,1/2*
NoCharge
$215.00
1/3,1/3,1/3 NoCharge 1/3,2/9,2/9,2/9
1/4,1/4,1/4,1/4*
$40.00
$215.00
12 Star 1/2,1/2 NoCharge 1/2,1/4,1/4
1/4,1/4,1/2
$25.00
$25.00
1/4,1/4,1/4,1/4 $ 40.00
12 Delta 1/2,1/2 NoCharge 1/2,1/4,1/4
1/4,1/4,1/2
$25.00
$25.00
1/4,1/4,1/4,1/4 $ 40.00
18 Star 1/2,1/2 NoCharge 1/3,1/3,1/3 NoCharge 1/3,1/3,1/6,1/6 $ 40.00
24 Star 1/2,1/2 NoCharge 1/2,1/4,1/4
1/4,1/4,1/2
$25.00
$25.00
1/4,1/4,1/4,1/4 $ 40.00

 

QUIET CONTACTORS:

Add $12.00 for each 5KW or part thereof. [24V control only]

SEQUENCED HEATERS:

Add $15.00 per element to Trade Price of Heater.
SEQUENCED WITH TWO STAGES: Add regular staging charge + charge for sequencing plus $22.00.

SEQUENCED WITH CONTACTORS

 

FOR INSTANT SHUT-DOWN:

Add $12.00 per element to Trade Price of Heater.

DELAY RELAY BETWEEN STAGES

 

INSTANT SHUT-DOWN:

Add $22.00 per Delay Relay needed. [24V & 240V control only]
CONTROL VOLTAGES: 24V CONTROL COIL(S) IN RELAYS & CONTACTORS IS STANDARD. OTHER COIL VOLTAGES TO 277V NO ADDITIONAL CHARGE -- MUST BE SPECIFIED!!

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

ADDITIONAL OPTIONS -- SEE PAGES 16A, 16B & 17A
Please specify any and all Options!!