Unico 3642 User Manual

Bulletin 30-20 — Page 12
© Copyright 2010, Unico, Inc.
Attach and tighten lower connecting nut as shown.
Attach and tighten upper connecting nut as shown.
Route both the pressure and temperature tubes as shown.
Tighten the pressure tube nut as shown.
The thermal measuring bulb is placed as shown. It needs
to be in contact with copper tube.
Secure bulb with cork tape as shown.
Table 6. Expansion Valve Model numbers
Model
Nominal
Condenser
Size
Valve Part Number
Nom.
Valve
Size
R-22 R-410a
Air-Conditioning Only
MC2430C
2 to 2.5-ton
(7 to 9 kW)
A00805-
002
A00805-
012
2
MC3642C
3 to 3.5 ton
(10 to 12
kW)
A00805-
004
A00805-
014
3
MC4860C
4 to 5 ton
(14 to 17
kW)
A00805-
005
A00805-
015
4
Heat Pump Coils
MC2430H
2 to 2.5-ton
(7 to 9 kW)
A00808-
002
A00808-
012
2
MC3642H
3 to 3.5 ton
(10 to 12
kW)
A00808-
004
A00808-
014
3
MC4860H
4 to 5 ton
(14 to 17
kW)
A00808-
005
A00808-
015
4

Unico 3642 Specifications

General

Brand	Unico
Model	3642
Category	Air Handlers
Language	English