Specifications

II. APPLICATIONS
ECONAR Split System geothermal heat pumps consist of an Air Handler Unit (AHU) and a fully-charged Compressor Unit
(CU) to offer an extremely efficient and safe way of providing the primary space heating and all the cooling for many
applications (see Figure 1).
III. AVAILABLE MODELS
Capacity Ratings
Model
Air Flow Ratings
(CFM, Typical)
Capacity
(Tons, Typical)
FS3-x-2xV
910
--
1180
3
FS4-x-2xV
1295
--
1680
4
FS5-x-2xV
1425
--
1850
5
*Note: CFM should be as specified plus up to 10%.
Configuration Options – Air Handler Unit
Model Suffix
Description
FSx-1-2OV
Standard, 208/230-1, 60Hz with 2-Stage Variable Speed ECM Blower Motor
FSx-1-2EV
208/230-1, 60Hz with 2-Stage Variable Speed ECM Blower Motor and
10kW/240V Slide-In Heater
Physical Dimensions
Primary
Drain, ¾” MPT
Electrical
Knockouts
Refrigerant
Vapor Line
Refrigerant
Liquid Line
H
D
W
A
B
Secondary
Drains, ¾” FPT
Access
Panels
J
Electrical
Knockouts
I
G
C
E
F
Model
Cabinet Dimensions
Blower Opening
Cond.
Other Dimensions
Refrig Connection
H
W
D
A
B
Drain
C
E
F
G
I
J
Liquid
Vapor
FS3 - 5
46.1
25.3
26.1
12.0
10.3
3/4” MPT
(1)
2.5
15.0
5.1
16.0
6.3
3.2
3/8 OD
7/8 OD
Note: Air filter and filter rack are required to be provided at installation.
(1)
Note: Primary Condensate Drain is MPT, and Secondary Drains are 3/4” FPT.
3