SPECIFICATIONS
Appendix A.01 Comfort Plus
Appendix
Appendix
A
* The return air plenum is factory supplied only with the 3100 series system. It can be ordered as an optional piece with the 4100 series systems. The dimensions listed
are those that the factory supplied return air plenum can accommodate. For larger coils, the return air plenum must be installer supplied. If using an air conditioning or
heat pump system with the Comfort Plus, the Comfort Plus does not include the indoor coil or the outdoor compressor system as standard equipment. It can accommo-
date most coils up to 4-ton capacity provided it is sized in compliance to the supply air delivery rates of the Comfort Plus system. Equipment modifications are
required to fit larger coils. (Refer to the Ducting section in this manual for more information on sizing an air conditioning or heat pump system with regard to the supply
air blower delivery rates of the Comfort Plus system.)
MODEL 3120 4120 4130 4140
Charging Input (kW) 14.0 17.5 21.6 19.2 24.8 28.8 37.2 38.4 45.6
Charging Circuits Required
(240V Systems-Multiple Feed)
59x1.25=74AMP 73X1.25=90AMP 92x1.25 = 115AMP 120x1.25=150AMP (160x1.25 = 200 AMP)
Maximum Core & Supply Blower 6 AMPS 7 AMPS
Load (240V Systems)
Element Voltage 240V standard (208V and 277V optional as special factory order)
Blowers/System Control Voltage 240V/208V
Storage Capacity
kWh 86 125 180 240
BTU 293,432 426,500 614,160 818,880
Dimensions without Ducting 41 x 25 x 60 29 x 44 x 46 29 x 44 x 57 29 x 44 x 68
(W x D x H in inches)
Duct Openings (inches)
Supply Air Outlet 10 x 16 18 x 22 5/8 18 x 22 5/8 18 x 22 5/8
Return Air Inlet 15 x 17 10 1/2 x 22 5/16 10 1/2 x 22 5/16 10 1/2 x 22 5/16
Approximate System Weight (lbs) 440 485 565 625
Approximate Brick Weight (lbs) 1,188 1,782 2,574 3,366
Approximate Installed Weight (lbs) 1,628 2,267 3,139 3,991
Number of Brick
Whole Brick 72 105 150 198
Half Brick 0 6 12 12
Total Number of Boxes 18 27 39 51
*Maximum Coil Size
Capacity 4-TON 4-TON 4-TON 4-TON
Dimensions
(W x D x H in inches) 20 x 21 x 23 20 x 21 x 23 20 x 21 x 23 20 x 21 x 23
Note: The element circuits can be connected to 208V in standard configurations; however, the
charging input of the system will be derated by 25%.
3-50AMP 4-40AMP 4-50 AMP
2-40 AMP 2-50AMP
2-60AMP 3-40AMP
4-50 AMP 4-60 AMP
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