3
General Installation Instructions
GEN II
Controller
1. Install the
GEN II
controller on an interior wall where the ambient temperature is between 32°-
120°F (0°- 48°C) non-condensing. This controller is to be installed in an accessible interior
area; not in attics or above ceilings.
2. The controller is to be powered by a
dedicated
24vac 100va transformer. The transformer secondary
is wired to
TR1 TR2
on the controller
(B). DO NOT ground out the transformer
The secondary voltage to the controller must be 24 to 28vac.
DO NOT ground out the transformer.
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
M
S S Terminals – Leaving Air Sensor (LAT)
TERMINAL FUNCTIONS / CONNECTIONS
S S – Leaving / Supply Air Sensor Input
G – Fan Output
W2 –
W1 –
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 Power out to EzTouch TR1 & TR2
(18 ga thermostat wire)
TR1 / TR2 - Stat Power Daisy Chain Stat to Stat
(18GA Thermostat wire)
GAS ELECTRIC OPERATION
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
A / B Communications Wire
Stage 1 Heat Output
Stage 2 Heat Output