Network Thermostat NetX X7 Series Installation Addendum

NetX™ X7 Series
Thermostat
K/H/D & K2 INSTALLATION ADDENDUM
CO2: 944ppm
TABLE OF CONTENTS
Before You Start
Introduction
K/H/D Relay - General
K2 Relay - General
Humidity Operation (K/H/D Relay Only)
Fresh Air Damper Operation (K/H/D or K2)
Schedule Relay Operation (K/H/D or K2)
Manual Relay Operation (K/H/D and K2)
Indoor Air Quality (IAQ) Operation(K/H/D or K2)
Accessory port
CO2 Introduction
Access the Installer Menu
Access the First CO2 Settings
Setting the CO2 Display
Setting the CO2 Alert Setting
Clear CO2 Max Setting
BEFORE YOU START
Please read the entire addendum. The thermostat will need
to be correctly wired and configured for proper operation.
Basic HVAC configuration can be performed from the
thermostat touchscreen and advanced settings can be
accessed on the embedded web pages and the Internet.
Page 1
INTRODUCTION
This addendum addresses the special controls available using
the K/H/D and K2 terminals on the X7 Series thermostats. This
includes control of humidity, fresh air damper, 7-day / 4-event
relay scheduling, manual relay operation, and Indoor Air
Quality (IAQ) Control
K/H/D RELAY - GENERAL
The K/H/D relay can be configured to function as any one of
the following controls:
● Humidification; with or without independent equipment
● Dehumidification; with or without independent equipment
● Fresh Air Damper
● Manual Relay Operation
● Programmable Schedule *
● Indoor Air Quality Control *
* Can be configured for use on K/H/D or K2, but not both
K2 RELAY - GENERAL
The K2 relay can be configured to function as any one of the
following controls:
● Fresh Air Damper
● Manual Relay Operation
● Programmable Schedule *
● Indoor Air Quality Control *
* Can be configured for use on K/H/D or K2, but not both
HUMIDITY OPERATION (K/H/D RELAY ONLY)
Humidification:
1
1
When set to 'Humidification', this feature allows the selection
of a humidification call only when the heat is running, or
1
independent of a heating call.
1
The relay energizes a humidification call when the indoor
1
relative humidity drops below the value selected, with a
1
programmable variance of ± 2%, 3%, or 5% RH.
1
Example: With Humidify at 35% and a Variance of 5%, a call for
1
humidification would start at 30% and turn off when the
1 humidity level reached 40%
1
Dehumidification:
2
When set to 'Dehumidification', this feature allows the
2
selection of a dehumidification call only when the cooling is
2 running, or independent of a cooling call.
2
When "With Cooling Only" is selected, and there is no
dedicated dehumidification function integrated within the
2
equipment, cooling will be initiated and the cooling set point
2
will automatically be lowered by 2 degrees from the scheduled
cooling set point to allow increased equipment run time and
decreased space humidity levels.
The relay energizes a dehumidification call when the indoor
relative humidity rises above the value selected, with a
programmable variance of ± 2%, 3%, or 5% RH
Example: With Humidify at 55% and a Variance of 5%, a call for
dehumidification would start at 60% and turn off when the
humidity level drops to 50%.
FRESH AIR DAMPER OPERATION (K/H/D OR K2)
When set to 'Damper', the relay will control a 2-position (power
open, spring return) damper for fresh air ventilation.
The 'When Occupied' setting will open the damper and turn on
the fan during occupied schedule periods from the thermostat's
normal 7-day schedule.
The 'x min/hr' setting will open the damper and turn on the fan
for the set number of minutes selected. Outdoor Temperature
and Humidity Limits allow the setting of the boundaries for
energizing the damper, between 120°F (49°C) and -40°F (-40°C),
and 0% RH to 100% RH.
SCHEDULE RELAY OPERATION (K/H/D OR K2)
When set to 'Schedule', the relay can be configured to turn on,
off, or pulse up to 4 times per day, 7 days a week. The pulsed-on
option can be configured from 0.2sec to 2.0sec in 0.1sec
increments.
MANUAL RELAY OPERATION (K/H/D AND K2)
When set to 'Manual', the relay can be turned on or off using any
of the remote connection options.
INDOOR AIR QUALITY (IAQ) OPERATION(K/H/D
OR K2)
When set to 'IAQ', the relay can control multiple types of IAQ
equipment, with either manual or automatic operation.
Integrated HVAC - Occupied
Use when IAQ equipment is located inside the HVAC equipment
or ductwork. This setting will turn on the IAQ equipment and the
HVAC fan during occupied schedule periods from the
thermostat's normal 7-day schedules.
Stand Alone - Occupied
Use when IAQ equipment is located inside the HVAC equipment
or ductwork. This setting will turn on the IAQ equipment during
occupied schedule periods from the thermostat's normal 7-day
schedules.
Integrated HVAC - Manual
Use when IAQ equipment is located inside the HVAC equipment
or ductwork. This setting will allow the manual turning on or off
of the IAQ equipment and the HVAC fan. Use this setting for
extended occupied or unoccupied periods.
Stand Alone - Manual
Use when IAQ equipment is located inside the HVAC equipment
or ductwork. This setting will allow the manual turning on or off
of the IAQ equipment. Use this setting for extended occupied or
unoccupied periods.
ACCESSORY PORT
The accessory port allows the connection of various NetX
options, including the NT-MOD-ULE wireless sensor
coordinator, the NT-CO2 carbon dioxide sensor, or other future
accessories.
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