NuTone NTBZ48 User Manual

16 Copyright © 2016 Broan-NuTone LLC
Advanced System Sengs Menu
The Advanced System Sengs Menu provides for addion system setup opons. These sengs can
aect system operaon and should only be changed by qualied HVAC installers.
To access the Advanced System Sengs menu, rst press and hold the FAN buon to get into the
Setup menu. While in the Setup Menu, press and hold both the FAN and  buons for 5 seconds.
• Use the  buons to scroll through the menu opons to the desired seng.
• Press SELECT (Mode) buon to change a seng. Once it begins to ash, use the  buons to
select the desired seng.
• Press the SELECT buon to accept the new seng (ashing will stop).
Feature Description Range
Default
Setting
Test Mode Test mode shortens the system built-in delays (like
MOT and MRT).
Y = Test mode on. Reduces all delays to 10 seconds for
quicker system tesng.
N = Test mode o. Normal system delays.
Y or N N
Aux Heat
Enable (Heat
Pump Systems
only)
Enables the auxiliary heat operaon.
Typically the auxiliary heat will be heat-strips in a heat
pump system.
Y or N N
2nd Stage
Heat Enable
Enables the second stage heat operaon. Y or N N
2nd Stage Cool
Enable
Enables the second stage cool operaon. Y or N N
Minimum Run
Time
Sets the Minimum Run Time (MRT) delay before a
heang/cooling cycle can turn o.
Sets heang/cooling cycle me. Prevents rapid on/o
cycling.
1-9 3
Minimum O
Time
Sets the Minimum O Time (MOT) delay before
another heang/cooling cycle can begin. Provides
compressor short cycle protecon. “Wait” is displayed
on screen when acve.
5-9 Minutes 5
Heat Setpoint
Max.
Sets the maximum heang setpoint value.
Will not ramp or accept setpoints higher than this
maximum.
55F-96F
(4C-43C)
90F
(32C)
Cool Setpoint
Min.
Sets the maximum heang setpoint value. 60F-99F
(6C-45C)
60F
(15C)
Heat Blower
O Delay
Sets the system blower delay o me aer a heat call
ends (fan purge).
0-9 seconds 0 (o)
Cool Blower
O Delay
Sets the system blower delay o me aer a cool call
ends (fan purge).
0-9 seconds 0 (o)

NuTone NTBZ48 Specifications

General

Brand	NuTone
Model	NTBZ48
Category	Thermostat
Language	English