Electric Heater Static Pressure Drop, 001 003

ELECTRIC HEATER STATIC PRESSURE DROP

The airﬂow performance data was developed using fan coils with 10-kw electric heaters (2 elements) in the 001 and 002 size units and 15-kw heaters (3 elements) in the 003 and 004 size units.

001, 002

003, 004

		EXTERNAL STATIC
HEATER		PRESSURE
ELEMENTS	KW	CORRECTION
0	0	+0.02
1	3, 5	+0.01
2	8, 10	0
3	9, 15	–0.02
4	20	–0.04

		EXTERNAL STATIC
HEATER		PRESSURE
ELEMENTS	KW	CORRECTION
0	0	+0.04
2	8, 10	+0.02
3	9, 15	0
4	20	–0.02
6	18, 24, 30	–0.10

The airﬂow performance data was developed using fan coils with 10-kw electric heaters (2 elements) in the 001 and 002 units and 15-kw heaters

(3 elements) in the 003 and 004 units. For fan coils with heaters of a different number of elements, the available external static at a given CFM from the curve may be corrected by adding or subtracting available external static pressure as indicated above.

ACCESSORIES

ITEM	ACCESSORY PART NO.*	FAN COIL SIZE USED WITH
Disconnect Kit	KFADK0101DSC	Cooling Controls and Heaters 3-kw through 10-kw
Downﬂow Base Kit	KFACB0101CFB	001
	KFACB0201CFB	002
	KFACB0301CFB	003, 004
Downﬂow Conversion Kit	KFADC0201SLP	Slope Coil Units — 001, 002
	KFADC0401ACL	A-Coil Units — 003, 004
Single-Point Wiring Kit	KFASP0101SPK	Only with 15- and 20-kw Fused Heaters
Filter Kit (12 pack)	KFAFK0112SML	001
	KFAFK0212MED	002
	KFAFK0312LRG	003, 004
Evaporator Coil	KFAEC0501024	001
	KFAEC0601036	002
	KFAEC0301048	003
	KFAEC0401060	004
Downﬂow/Horizontal Conversion Gasket Kit	KFAHD0101SLP	All

* Factory authorized and listed, ﬁeld-installed.

Accessory Kits Description

Suggested and Required Use

1.Disconnect Kit

The kit is used to disconnect electrical power to the fan coil so service or maintenance may be performed safely.

SUGGESTED USE: FH4 units for 3-kw through 10-kw electric resistance heaters and cooling controls.

2.Downﬂow Base Kit

This kit is designed to provide a 1-in. minimum clearance between unit discharge plenum, ductwork, and combustible materials. It also provides a gap free seal with the ﬂoor.

REQUIRED USE: This kit must be used whenever FH4 fan coils are used in downﬂow applications.

3.Downﬂow Conversion Kit

Fan coils are shipped from the factory for upﬂow or horizontal-left applications. Downﬂow conversion kits provide proper condensate water drainage and support for the coil when used in downﬂow applications. Separate kits are available for slope coils and A-coils.

REQUIRED USE: This kit must be used whenever FH4A fan coils are used in downﬂow applications.

4.Single Point Wiring Kit

The single point wiring kit acts as a jumper between L1 and L3 lugs, and between the L2 and L4 lugs. This allows the installer to run 2 heavy-gage, high-voltage wires into the fan coil rather than 4 light-gage, high-voltage wires.

SUGGESTED USE: FH4 fan coils with 15-kw and 20-kw fused heaters only.

5.Fan Coil Filter

The kit consists of 12 fan coil framed ﬁlters. These ﬁlters collect large dust particles from the return air entering the fan coil and prevent them from collecting on the coil. This process helps to keep the coil clean, which increases heat transfer and in turn the efﬁciency of the system.

SUGGESTED USE: To replace ﬁlters in FH4 fan coils.

6.Evaporator Coil Kit

The kit contains a heating/cooling coil and drain pan.

SUGGESTED USE: Accessory coil used with FH4 fan unit.

7.Downﬂow/Horizontal Conversion Gasket Kit

This kit provides the proper gasketing of units when applied in either a Downﬂow or Horizontal application.

REQUIRED USE: FH4 fan coils.

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