Zonex DigiTract 4-2 Installation Manual page 6

DigiTract 4-2 HP 3-Stage Heat/2-Stage Cool
BYPASS
TAP
AIR FLOW
1
2
BYPASS
RETURN
LAS. Locate the leaving air sensor between the refrigerant coil and the electric heat coil(s) or other auxiliary
1
heat source. Verify that the polarity is correct. Refer to "CAPACITY CONTROLLER – LAS INSTALLATION"
page 11, for further information.
Connect W2 from the controller to the unit's electric heat stage terminal designation. It is recommended to
2
install an outdoor thermostat in series with any electric heat stages.
Connect C from the controller to the thermostat 24V AC common terminal if hardwired. Refer to "ZONE
3
THERMOSTATS – COMPATIBILITY" page 12, for further information.
Zone damper terminals. Refer to "WIRING – ZONE DAMPERS" on page 5.
4
Install one 24V AC transformer, sized and fused for the total number of zone dampers. See "DAMPER
5
TRANSFORMER" on page 23.
Emergency heat terminal, E. Use only if emergency heat source is different from auxiliary heat W2. If used,
6
do not jumper to W2.
Reversing valve jumper: B – energize for heat; O – energize for cool
7
NOTE: Some combination thermostats do not have an E terminal. Connect W2 of the thermostat to the E ter-
minal of STAT 1 terminal block.
WIRING – HEAT PUMP DTHP4-2
DIGITRACT 4-2 HP TWO STAGE 210806
ON
+
+
-
-
W
W2
G G
Y1
Y1
Y2
Y2
O/B
O/B
R R
E
6
E
L
C
C
L
L
THERMOSTAT
R8
R10
R9
R5 PWR
O/B
Y1 G W2
R72
STAT 1 STAT 2
E O/B R Y G C O/B R Y G C
3
O/B R Y G C
W
ZONE 1
4
JPR1
B
Vx.x
DPR1 DPR2 DPR3 DPR4
Y2
STAT 3 STAT 4
O/B R Y G C
O/B R Y G C
O/B R Y G C
ZONE 3
THERMOSTAT
O
1
1
2
2
3
3
4
4
TR1
5
TR2