Appendix
SPECIFICATIONS
Appendix
A
Appendix n A.01 Comfort Plus
* 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.
** The Comfort Plus system can accommodate most heat pump or air conditioner indoor coils provided the heat pump or air
conditioner is sized in accordance to supply air delivery rates of the Comfort Plus system. Equipment modifications are
required to fit larger coils.
3120 - 1/2 HP variable speed accomodates up to 3½ ton heating/cooling systems
4100 Series - 1/2 HP variable speed accommodates most 1½ to 4 ton heating/cooling systems
4100 Series - 1 HP variable speed accommodates most 3 to 5 ton heating/cooling systems
*** Dimension does not include the return air plenum.
Charging Circuits Required
(240V Systems –
Multiple Feed)
2 -
40AMP
2 -
50AMP
2 -
60AMP
2 -
30AMP
& 1 –
20AMP
1 -
30AMP
& 2 –
40AMP
2 -
60AMP
& 1 –
40AMP
4 -
40AMP
4 -
50AMP
4 -
50AMP
4 -
60AMP
Supply Blower Load
(240V Systems)
6 AMPS 7 AMPS
Element Voltage
240V Standard (208V and 277V optional as special factory order)
Note: The 240V element circuits can be connected to 208V in standard configurations;
however, the charging input of the system will be derated by 25%.
Blowers/System
240V/208V
Storage Capacity
kWh
86
120
180
240
Dimensions without ducting
(W x D X H in inches)
41 x 25 x 60 29 x 44 x 46 29 x 44 x 57 29 x 44 x 68
Duct Openings (inches)
Supply Air Outlet
Return Air Outlet
10 x 16
15 x 17***
18 x 22 5/8
10 ½ x 22 5/16***
18 x 22 5/8
10 ½ x 22 5/16***
18 x 22 5/8
10 ½ x 22 5/16***
Approximate
System Weight
440 lbs 485 lbs 565 lbs 625 lbs
Brick Weight
1,118 lbs 1,782 lbs 2,574 lbs 3,366 lbs
Approximate
Installed Weight
1,628 lbs 2,267 lbs 3,139 lbs 3,991 lbs
Whole Brick
Half Brick
72
0
105
6
150
12
198
12
*1/2 HP Maximum Coil Size
Capacity
Front Access Dimensions
Inner Dimensions
Up to 3½ TON**
25 1/2 x 22 x 30
26 x 22 x 31
1½ to 5 TON**
25 x 22 x 29
26 x 22 x 31
1½ to 5 TON**
25 x 22 x 29
26 x 22 x 31
1½ to 5 TON**
25 x 22 x 29
26 x 22 x 31