6
2. To decrease the Y2 and W2 cut-in delay, press and hold the SET and DN buttons
(H)
simultaneously. When delay time appears in the display, release the buttons and immediately
press the DN button and hold until the desired delay time is displayed, and release. To verify
the change, press and hold the SET and DN buttons until the delay time is shown, and release.
Configure 2
nd
Stage Cut-in for Time Delay and Thermostat Demand Only
1. Place the 2
nd
stage configuration jumper
(I)
on the middle and lower pins - TIME.
2. If the cut-in time delay must be changed from the factory setting of 03 (3 min), follow the above
procedures to raise or lower the time delay value.
3. Verify time delay value by pressing the SET and DN buttons simultaneously.
HEAT PUMP OPERATION
LEGEND
A
B
TR1 & TR2 24-Volt Transformer
C
TC – TC Time Clock Terminals
D
Unit Terminals
E
On / Off Switch
F
Priority Jumper
(Allows for Priority Vote
Setup)
H/P Jumper
(Jump for Heat Pump
Operation)
O/B Jumper
(Heat Pump Only –
Reversing Valve Operation)
EH Jumper
(Set Up Fan Operation for
Electric Heat)
G
Digital Display (Leaving Air Temperature
and configuration)
H
Up / Down / Set Buttons (High Limit,
Low Limit, Set)
I
Fan Jumper
(Continuous or Auto)
Staging Strategy
(Time / Temperature or
Time Only)
J
Day / Night Switch
K
Lock / Unlock (Lock Thermostats)
L
A / B Communications Wire
M
S S Terminals – Leaving Air Sensor
(LAT)
HEAT PUMP OPERATION
TR1 &TR2 Power out to EzTouch TR1 & TR2
(18 ga thermostat wire)
TERMINAL FUNCTIONS / CONNECTIONS
S S – Leaving / Supply Air Sensor Input
G – Fan Output
W2 – Auxiliary / Emergency Heat
O/B – Reversing Valve Output
Y2 – Stage 2 Cool Output
Y1 – Stage 1 Cool Output
R – 24vac from Unit Transformer
TC / TC – Time Clock Input for Occupied /
Unoccupied Operation
TR1 / TR2 – 24vac Power Input / Common
TX-A / RX-B - Data Transmit / Receive
TR1 / TR2 - Stat Power Daisy Chain Stat to Stat
(18GA Thermostat wire)
GEN II-VVT
7 2
SET
DN
UP
S
S
B
ON
AUTO
TIME/TMP
TIME
EH
O/B
HP
PRI
NIGHT
DA
Y
UNLOCK LOCK
OFF ON
G
W2
W1
Y2
Y1
TC
TC
TR1
TR2
TR1
TR2
Y1
Y2
W1
W2
G
R
HP
GE
O/B
R
Y1
Y2
G
W2
A
A
B
C
D
E
F
G
H
I
J
K
L
M
OUT
IN
