Lennox Harmony II Zone Control System User Manual

Page 13
JP2
HIGH LOW ADJUST HEAT
CFM
HI/LOW
ON/OFF
HEAT
HTG.
BLOWER
12
DS2
DS3
DS1
DS4
1
2
3
4
1
2
3
4
1
2
3
4
TEST
−
+
NORM
210
150
90
270
JP1
VSP2−1 VARIABLE SPEED CONTROL BOARD SELECTIONS
DIAGNOSTIC
DS LEDS
FAN OFF
TIMING PINS
JP2
13 PIN PLUG
(BOARD TO MOTOR)
JP1
15 PIN PLUG
(BOARD TO VARIOUS POINTS IN FUR-
NACE)
HIGH Speed
MAXIMUM CFM
SELECTION
LOW Speed
MINIMUM CFM
SELECTION
PRIMARY LIMIT
TRIPPED CFM
OPERATIONAL
SELECTOR PINS
Affects both High
and Low CFM
1
1
POSITION 2
SELECTION RE-
QUIRED
Figure 6
BDC3 VARIABLE SPEED CONTROL BOARD SELECTIONS
JP1
15 PIN PLUG
(BOARD TO MOTOR)
1
2
3
4
1
2
3
4
1
2
3
4
TEST
−
+
NORM
ADJUST HEAT COOL DELAY
CFM RUN
24V/1A
ACC
JP1
ACCESSORY RELAY CONTACTS
(DRIVES OPTIONAL
ACCESSORY RELAY)
OPERATIONAL
SELECTOR PINS
(Affects both heating and cooling
modes)
DIAGNOSTIC
LEDS
FAN DELAY
SELECTOR PINS
MAXIMUM
CFM SELECTION
NOT USED
NOTE − Minimum blower
CFM is not adjustable.
Figure 7

Lennox Harmony II Zone Control System Specifications

General

Brand	Lennox
Model	Harmony II Zone Control System
Category	Control Systems
Language	English