Table of Contents
Advertisement
Heat Jumper
The HEAT jumper is used to determine CFM during electric
heat operation only. These jumper selections are activated
Delay Jumper
fan operation during cooling mode. Depending on the
application, one of four options may be chosen by moving
the jumper to the appropriate set of pins.
#1 Pins Jumpered
a.
b.
A
OFF
#2 Pins Jumpered
a.
b.
seconds.
c.
A
100% CFM
OFF
COOLING DEMAND
#3 Pins Jumpered
a.
b.
c.
A
7 1/2 MIN
OFF
82%CFM
COOLING DEMAND
#4 Pins Jumpered
a.
b.
c.
d.
507789-02G / 31-5000673-1
B
100% CFM
OFF
COOLING
DEMAND
B
C
100% CFM
(60 seconds)
B
C
100% CFM
B
A
OFF
Checkout Procedures
NOTE:
Pre-Start-Up Checks
•
Is the air handler properly and securely installed?
•
•
Will the unit be accessible for servicing?
•
Has an auxiliary pan been provided under the unit
could cause damage?
•
Have ALL unused drain pan ports been properly
plugged?
•
Has the condensate line been properly sized, run,
trapped, pitched, and tested?
OFF
•
Is the duct system correctly sized, run, sealed, and
insulated?
•
•
Is the indoor coil factory-installed TXV properly sized
for the outdoor unit being used?
•
Have all unused parts and packaging been disposed
of?
•
•
•
Is the unit properly grounded and protected (fused)?
•
OFF
location?
•
Are all access panels in place and secure?
Check Blower Operation
1.
come on.
Check Cooling Operation
1. Set thermostat to force a call for cooling (approximately
2.
The outdoor unit should come on immediately and the
later.
Issue 2336
D
C
7 1/2 MIN
100%
CFM
82% CFM
COOLING DEMAND
E
OFF
Page 21 of 24
Advertisement
Table of Contents
