Table of Contents
Advertisement
For unit in the cooling mode:
MOP = 2.25 (largest motor RLA or FLA) + other
loads + 2 amps.
TABLE 8 – FAN MOTOR DATA
HORSEPOWER
3
5
7.5
10
15
20
25
30
40
50
Contact the factory for electric heat full load amp
data.
Field Control Wiring
The unit has three sets of 24-volt AC/DC dry contacts
rated at 3 amps maximum that are normally open. The
following is a description of each of the contacts.
JOHNSON CONTROLS
208/60/3 FLA
230/60/3 FLA
8.8
14.2
21.4
28.6
42.0
55.0
66.0
80.0
110.0
137.0
118.0
For units in the heating mode:
With Electric Heater KW 50 KW or less:
MOP = 2.25(electric heat FLA + supply fan
motor amps) + 2 amps.
With Electric Heater KW greater than 50KW:
MOP = 2.25 (supply fan motor amps) + elec-
tric heat FLA + 2 amps.
460/60/3 FLA
8.6
4.3
13.2
6.6
19.6
9.8
26.4
13.2
39
19.5
50.0
25.0
60.0
30.0
70.0
35.0
93.0
46.0
59.0
Pump Start
Contact DO-6 on the Unit Control Board closes
whenever the Unit Control is in the on mode, either by
the ON switch, the internal schedule, or a communicated
ON input. This contact can be used to energize the
condenser water pump. The connection point for this
feature is terminals 9 and 10 of the low voltage terminal
block.
FORM 145.05-NOM2 (807)
2
575/60/3 FLA
3.8
5.9
8.4
10.4
16.0
20.0
26.0
28.5
36.1
46.5
25
Advertisement
Table of Contents
