Rinnai N-BW2 User manual

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 1 of 48
N-BW2 Networker Bridge (WIFI)
Application Programmers Interface
Issue 1.3

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 2 of 48
1. Document Information _______________________________________________________ 3
1.1 Current Release Document Control & Authorisation __________________________________ 3
1.2 Change History _________________________________________________________________ 3
2. N-BW2 Networker Bridge (WIFI) Operation _____________________________________ 4
2.1 Overview_______________________________________________________________________ 4
2.2 Networker System Connection_____________________________________________________ 5
2.2.1 N-C3 & N-C6 Type Networkers__________________________________________________________ 5
2.2.2 Brivis Touch (N-C7) Type Networker _____________________________________________________ 6
2.3 Default Access Point State_________________________________________________________ 7
2.4 Opening a TCP Connection with the N-BW2 _________________________________________ 8
2.5 Front Panel LEDs ______________________________________________________________ 10
3. WIFI Configuration Mode ___________________________________________________ 11
3.1 Retrieving Configuration Settings _________________________________________________ 12
3.2 Altering Configuration Settings___________________________________________________ 12
3.3 Saving Configuration Settings ____________________________________________________ 13
3.4 Exiting Configuration Mode______________________________________________________ 13
4. Networker System Access Mode _______________________________________________ 14
4.1 Sequence Numbering____________________________________________________________ 15
4.2 System Related –Group 1: {“SYST”: ______________________________________________ 16
4.3 Heating Related –Group 1: {“HGOM”: ____________________________________________ 18
4.3.1 Single Set Point Operation _____________________________________________________________ 19
4.3.2 Multi-Set Point Operation______________________________________________________________ 21
4.4 Cooling (Add-on) Related –Group 1: {“CGOM”:____________________________________ 23
4.4.1 Single Set Point Operation _____________________________________________________________ 24
4.4.2 Multi-Set Point Operation______________________________________________________________ 26
4.5 Cooling (Evaporative) Related –Group 1: {“ECOM”: ________________________________ 28
5. N-BW2 Interface Test Application_____________________________________________ 30
5.1 WIFI Configuration Screen ______________________________________________________ 31
5.2 Networker System Access Screen__________________________________________________ 33
5.3 Heating Operating Mode ________________________________________________________ 35
5.3.1 Single Set Point Operation _____________________________________________________________ 35
5.3.1.1 No Zones Installed ____________________________________________________________________________________ 35
5.3.1.2 Two Zones Installed ___________________________________________________________________________________ 38
5.3.1.3 Schedule Setting (Auto-Program)_________________________________________________________________________ 39
5.3.2 Multi Set Point Operation ______________________________________________________________ 41
5.4 Cooling (Add-on) Operating Mode ________________________________________________ 45
5.5 Cooling (Evaporative) Operating Mode ____________________________________________ 46
5.6 Switching Operating Mode_______________________________________________________ 48

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 3 of 48
1. Document Information
1.1 Current Release Document Control & Authorisation
Name
Signature
Date
Prepared by:
Emilio La Greca
Emilio
04/04/18
Changed by:
Emilio La Greca
Emilio
13/11/19
Checked by:
Emilio La Greca
Emilio
13/11/19
Approved by:
Emilio La Greca
Emilio
13/11/19
1.2 Change History
Issue
Date
Change Details
Change by
Approved by
1.0
04/04/18
First release
Emilio
Emilio
1.1
19/06/18
Added zone temperature measurement descriptor
to ZXS tags for STSP operation (“MT”: “###” )
Emilio
Emilio
1.2
19/03/19
Configuration settings packet delimiter changed
from ‘!’ to carriage return (0x0D).
Extra version number information added to:
{ “SYST”: { “CFG”:
Temperature display option added to:
{ “ECOM”: { “CFG”:
Extra information added to UDP broadcast
packet.
Emilio
Emilio
1.3
13/11/19
Added temperature measurement descriptor to
GSS tag for ECOM operation (“MT”: “###” )
Emilio
Emilio

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 4 of 48
2. N-BW2 Networker Bridge (WIFI) Operation
2.1 Overview
The N-BW2 Networker Bridge (WIFI) (referred to as N-BW2 from here on) provides a means of remotely
interfacing to Rinnai Networker based systems allowing control and monitoring of heating/cooling appliances the
Networker system manages. The primary interface used for access to the Networker system is a TCP connection
over WIFI. Although a USB port is provided this is purely for production testing and setup when the N-BW2 is
produced.
The front/rear panels of the N-BW2 appear as illustrated in FIG 2a:
FIG 2a: N-BW2 Front & Back Panels
The N-BW2 can be in one of two distinct operating modes:
1) WIFI configuration mode.
2) Networker system access mode.
The N-BW2 will operate in one of three distinct WIFI connecting states:
1) Default Access Point (AP) state.
All N-BW2’s are defaulted to this state when first powered on. When in this state only the WIFI
configuration mode is allowed.
2) User configured Access Point (AP) state.
In this state the N-BW2 operates as an access point which can be associated with –The SSID and
WPA pass-phrase are defined by the user. When operating in this state a network router is not needed
to access the Networker system. By default the N-BW2 will operate in the Networker system access
mode but can revert to the WIFI configuration mode.
3) Station state.
In this state the N-BW2 associates with a router, the SSID and WPA pass-phrase configured to match
that of the router. This is the most common state the N-BW2 operates in. By default the N-BW2 will
operate in the Networker system access mode but can revert to the WIFI configuration mode.
Indicator
Description
PWR
Power on/Primary module operation indication
BUS
Networker system communication indication
WIFI
WIFI module operation indication
SER
Not used
Button
Description
PWR
Power on/off button
AP
Force the Default Access Point (AP) state
LNK
Not used
Brivis Touch connection
Networker system
connection
12VDC plug-pack socket

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 5 of 48
2.2 Networker System Connection
2.2.1 N-C3 & N-C6 Type Networkers
The N-BW2 must be powered by its own 12VDC plug-pack and connected to the system as illustrated in FIG
2.2.1a.
FIG 2.2.1a: N-BW2 Connection to N-C3/N-C6
Networker Controls

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 6 of 48
2.2.2 Brivis Touch (N-C7) Type Networker
When a spare port is available on the Brivis Touch Interface Module this port can be used to connect the N-BW2
as it is pin-to-pin compatible with the corresponding connector on the N-BW2. In this case the 12VDC plug-pack
is not needed to power the N-BW2 –See FIG 2.2.2a.
FIG 2.2.2a: N-BW2 Connection to Brivis Touch System –
Using Interface Module Port
When no spare port is available on the Brivis Touch Interface Module then the N-BW2 must be powered by its
own 12VDC plug-pack and connected to the system as illustrated in FIG 2.2.2b.
FIG 2.2.2b: N-BW2 Connection to Brivis Touch System –
Without Using Interface Module Port

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 7 of 48
2.3 Default Access Point State
The product label affixed to the N-BW2 appears as illustrated below:
This label identifies the unique serial number/default password embedded within the N-BW2. The serial number
is used to form the default SSID (RinnaiABC123 in the example above) with the default password used as the
WPA pass-phrase (1234567890 in the example above). When associated with the N-BW2 in this state, the client
device can only access the WIFI configuration mode described in Section 3. This default Access Point state is
reverted to:
1) When the N-BW2 is switched on for the very first time.
2) When the N-BW2 has not had user configuration settings saved to its internal memory.
3) On power up when the AP button has been held pressed for at least 5 seconds.
4) When the N-BW2 has been configured to operate in the Station state but the router it was configured
to associate with could not be located after 3 minutes. The N-BW2 will revert to its Default AP state
for 2 minutes before reverting back to the user configured Station state.
To ease installation a QR code is provided which when scanned provides the device serial number/default
password as follows (using the above label as an example):
ABC123_1234567890
Default Network Name (SSID):
RinnaiABC123
Default Security Key (WPA):
1234567890

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 8 of 48
2.4 Opening a TCP Connection with the N-BW2
Before opening a TCP connection with the N-BW2 either the N-BW2 must:
-Be associated with if it is operating in one of its Access Point states, or
-Associate with the router it was configured to associate with when operating in its Station state.
Once this is the case the N-BW2 broadcasts a 256 byte long UDP packet every second using the following
broadcast settings:
-Broadcast address : ###.###.###.255
-Broadcast port : 50000
Embedded within this UDP broadcast packet is information listed in the example shown in FIG 2.4a.
FIG 2.4a: N-BW2 UDP Broadcast Packet
From this UDP packet the IP address of the N-BW2 (source address) can be determined and together with the
information listed above all the information needed to open a TCP connection with the N-BW2 is available. Once
a valid TCP connection with the N-BW2 is opened the N-BW2 responds with “*HELLO*”. Provided the client
issues commands to the N-BW2 the TCP connection will remain open. If no response from the client that initiates
the connection is received within the TCP timeout time (TTCPOUT), the N-BW2 will terminate the connection and
perform a reboot.
Index
Description
0000h –001Fh
N-BW2 identification tag.
0020h –0021h
TCP port, high byte first.
In this case 6Ch C7h equates to port 27847.
0022h
Default AP operating state indication.
AAh
Operating in Default AP state.
55h
Not operating in Default AP state.
0023h
Overal firmware version of module.
0024h
Wi-Fi Module firmware version.
0025h
WLAN access mode.
0
AP Mode –Default.
1
AP Mode –User Configured.
2
Station Mode –Uer Configured.
00FFh
Number of scanned SSIDs (Default AP mode only).
FOR SCANNED SSIDs n = 0 to 9
0100h + n x 23h
SSID name.
0100h + n x 20h
SSID name length.
0100h + n x 21h
Security type
OPEN –0
WEP –1
WPA –2
WPA2 –3
0100h + n x 22h
Received Signal Strength Indication (RSSI)
N-BW2 IP Address

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 9 of 48
The entire process for connecting to the N-BW2 is illustrated in FLC 2.4a. The TCP packet size to allow for is
2080 bytes minimum.
FLC 2.4a: Connecting to the N-BW2

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 10 of 48
2.5 Front Panel LEDs
The front panel LEDs can be lit green/orange, the meaning of the indications given below in TABLE 2.5a.
TABLE 2.5a: N-BW2 Front Panel LEDs
Indicator
Description
PWR
Power on/Primary module operation indication
Color
Indication
Orange
Flash Fast
Continuous
Primary module is saving operational/configuration settings to
memory.
Solid
Primary module is clearing the configuration settings to their
default values.
Green
Flash Fast
Continuous
Primary module is loading configuration settings from memory.
Solid
Primary module is idle (indicates power on).
BUS
Networker system communication indication
Flashes green once when a Networker System communication packet has been received.
WIFI
WIFI module operation indication
Color
Indication
Orange
Flash Fast
Continuous
WIFI module is saving configuration settings to memory.
WIFI module is configuring itself for Default AP state operation
due to AP pushbutton being pressed.
Flash Slow
Continuous
WIFI module is in the Default AP state with no client associated
with it.
Flash Once
WIFI module is in the Default AP state and a packet transfer has
occurred.
Flash N Times
Repeatedly
WIFI module has experienced a fault, the number of flashes
indicates the fault code.
Solid
WIFI module is waiting for switch over to the Default AP state
after being in the Station state with no connection to the named
router occurring for 3 minutes.
Green
Flash Fast
Continuous
WIFI module is loading configuration settings from memory.
Flash Slow
Continuous
WIFI module is in the user configured AP state with no client
associated with it OR in the user configured Station state and
not associated with the named router.
Flash Once
WIFI module is in the AP or Station state and a packet transfer
has occurred.
Solid
WIFI module is waiting for switch over to the Station state after
being in the Default AP state with no connection by a client for
2 minutes.

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 11 of 48
3. WIFI Configuration Mode
This mode is used to set various WIFI Configuration settings. The general format of the WIFI Configuration Mode
command is as follows:
Identifier
Description
C
Indicates WIFI Configuration Command.
$
The type of access operation.
R
Report setting (Default)
G
Retrieve setting
S
Alter Setting
<
Start of tag descriptor.
DVPW
Default password tag descriptor.
>
End of tag descriptor.
DEFAULT PASSWORD
N-BW2 default password used to gain access to settings.
<
Start of tag descriptor.
TAG DESCRIPTOR
Identifies the setting to access.
>
End of tag descriptor.
TAG VALUE
The associated tag value where applicable.
CR (Carriage Return) =
0x0D
End of command.
TABLE 3a: WIFI Configuration Mode
Command Format
The tag descriptors that are supported are listed in TABLE 3b.
TAG
Descriptor
Access
Description
Default
<SSID>
G/S/R
Allows the user configured SSID to be set or retrieved.
“”
<NPWD>
S
The user configured SSID WPA pass-phrase to be set (Must be at
least 8 characters long).
“”
<JOIN>
G/S/R
The network join type (7 = AP, 1 = Station).
7
<TNRX>
G/S
The TCP timeout time (TTCPOUT).
Range = 1 to 60 minutes.
5 minutes
<SAVE>
S
Initiate save settings upon which the N-BW2 reboots with the new
configuration settings applied
N/A
<BOOT>
S
Reboot N-BW2 without saving any configurations settings applied.
N/A
TABLE 3b: WIFI Configuration Command Tag
Descriptors Supported

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 12 of 48
When the Default AP state is being used this mode of operation is defaulted to always once a TCP connection to
the client is made. In any other state this mode will be entered when a configuration type command is issued by
the client. Once in the WIFI Configuration Mode the N-BW2 defaults to reporting the two most basic settings, as
illustrated below:
CR<SSID><JOIN>CR
No data associated with the tags occurs when access has not been granted to the configuration settings. Once
access is granted the actual data associated with the tags will be provided.
CR<SSID>MyNetwork<JOIN>7CR
When a ‘G’ or ‘S’ command is issued this reporting response is interrupted with the corresponding response as
acknowledgement that the command has been received and processed.
3.1 Retrieving Configuration Settings
The ‘G’ command is used to retrieve the required setting. The default password must accompany any GET
command to gain access to the setting as is illustrated in the following example:
On issuing CG<SSID>CR
Response packet produced CG<DVPW>CR
In this example the N-BW2 responded in this way because the default password issued with the GET
command was invalid.
On issuing CG<DVPW>1234567890<SSID>CR
Response packet produced CG<DVPW><SSID>MyNetworkCR
In this example the N-BW2 responded with the user configured SSID because the default password issued
with the GET command was valid.
3.2 Altering Configuration Settings
The ‘S’ command is used to alter the required setting. The default password must accompany any SET command
to alter the setting as is illustrated in the following example:
On issuing CS<SSID>MyNewNetworkCR
Response packet produced CS<DVPW>CR
In this example the N-BW2 responded in this way because the default password issued with the SET
command was invalid.
On issuing CS<DVPW>1234567890<SSID>MyNewNetworkCR
Response packet produced CS<DVPW><SSID>MyNewNetworkCR
In this example the N-BW2 responded with the new user configured SSID because the default password
issued with the SET command was valid.

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 13 of 48
The SSID associated WPA pass-phrase must be at least 8 characters long. When setting this password the validity
of the password is checked by the N-BW2 and if invalid the N-BW2 will respond accordingly as illustrated in the
following examples:
On issuing CS<DVPW>1234567890<NPWD>InvalidPasswordCR
Response packet produced CG<DVPW><NPWD>????????CR
In this example the N-BW2 responded in this way because the SSID WPA pass-phrase to set is invalid.
On issuing CS<DVPW>1234567890<NPWD>CorrectPasswordCR
Response packet produced CG<DVPW><NPWD>********CR
In this example the N-BW2 responded in this way because the SSID WPA pass-phrase to set is valid.
3.3 Saving Configuration Settings
The N-BW2 settings that are altered are not committed to its onboard memory. This must be explicitly done with
the <SAVE> tag accompanied by the default password as illustrated below:
On issuing CS<DVPW>1234567890<SAVE>CR
Response packet produced CG<DVPW><SAVE>CR
Upon saving the configuration settings to its onboard memory the N-BW2 undergoes a reboot, therefore when
altering the settings the <SAVE> command should be issued only after all the configuration required settings have
been altered.
3.4 Exiting Configuration Mode
The only way to exit the WIFI Configuration Mode without saving any altered settings is by rebooting the N-BW2
either by powering off then back on or issuing the <BOOT> command accompanied with the default password.
Issuing of the <BOOT> command is as illustrated below:
On issuing CS<DVPW>1234567890<BOOT>CR
Response packet produced CG<DVPW><BOOT>CR
After a short delay the N-BW2 reboots.

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 14 of 48
4. Networker System Access Mode
This mode is used to access the Networker System. The Networker System Access Mode command uses
JavaScript Object Notation (JSON), the general format being as follows:
Identifier
Description
N
Indicates Networker System Access Command.
###
Sequence Number.
{
Start of Group 1 Text.
“GROUP 1 TAG”:
Group 1 Tag Descriptor.
{
Start of Group 2 Text.
“GROUP 2 TAG”:
Group 2 Tag Descriptor.
{
Start of Group 2 Commands.
“CD1”:”VAL”,
Group 2 associated command and corresponding value.
“CD2”:”VAL”,
Group 2 associated command and corresponding value.
“CD#”:”VAL”
Group 2 associated command and corresponding last value.
}
End of Group 2 Commands.
}
End of Group 2 Text.
}
End of Group 1 Text.
TABLE 4a: Networker System Access Mode
Command Format
Commands are grouped based on functionality. The Group 1 descriptor is at the top of the hierarchy with the
following supported:
1) {“SYST”:
System related commands.
2) {“HGOM”:
Heating Operating Mode related commands.
3) {“CGOM”:
Cooling (Add-on) Operating Mode related commands.
4) {“ECOM”:
Evaporative Cooling Operating Mode related commands.
Each group 1 tag descriptor has a defined set of group 2 related tag descriptors these described in the corresponding
Group 1 descriptor sections.

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 15 of 48
4.1 Sequence Numbering
The N-BW2 continually transmits the state of the Networker system at one second intervals. When a command is
issued by the client application there is no acknowledgement by the N-BW2 that it has received this command by
virtue of this continual status reporting. To overcome this a sequence number is used to indicate when a command
has been received by the N-BW2.
Before the client application issues a command it should get the current value of the sequence number, increment
it (if 255, wrap around to 0) then use this incremented value in the command packet. The N-BW2, on receiving
this command packet will use this sequence number in the next status packet it issues, the client application using
this to determine when the command packet has been received by the N-BW2. The flow chart in FLC 4.1a
illustrates this.
FLC 4.1a: Networker System Access Sequence Numbering

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 16 of 48
4.2 System Related –Group 1: {“SYST”:
This group identifies system wide information and is always sent by the N-BW2 as part of the status information
reported. In TABLE 4.2a below the “R” in the COMMAND column indicates read-only operation while a “W”
indicates read/write functionality.
GROUP2
COMMAND
Values
Description
{“CFG”: {
---
---
General Configuration
“MTSP”: ”$”
R
Y/N
Multi set point control enabled
Y= Yes
N= No
“DF”: “$”
R
Y/N
Dual fuel control allowed
Y= Yes
N= No
“TU”: “$”
R
C/F
Temperature display units
C= Celsius
F= Fahrenheit
“CF”: “$”
R
1/2
Clock display format (12 hour/24 hour)
1= 12 hour
2= 24 hour
“ZA”: “$”
R
Alphanumeric
Zone A description (16 characters maximum)
“ZB”: “$”
R
Alphanumeric
Zone B description (16 characters maximum)
“ZC”: “$”
R
Alphanumeric
Zone C description (16 characters maximum)
“ZD”: “$”
R
Alphanumeric
Zone D description (16 characters maximum)
“VR”: “####”
R
0000 - 9999
N-BW2 firmware version
“CV”: “###”
R
000 - 999
N-BW2 WiFi module firmware version
“CC”: “###”
R
000 - 255
Certificate checksum value
“NC”: “$”
R
Y/N
N-C7 based system
Y= Yes
N= No
{“AVM”: {
“HG”: “$”
R
Y/N
Gas heating
Y= Yes
N= No
“EC”: “$”
R
Y/N
Cooling (Evaporative)
Y= Yes
N= No
“CG”: “$”
R
Y/N
Cooling (Add-on)
Y= Yes
N= No
“RA”: “$”
R
Y/N
Reverse-cycle air-conditioning
Y= Yes
N= No
“RH”: “$”
R
Y/N
Reverse-cycle heating
Y= Yes
N= No
“RC”: “$”
R
Y/N
Reverse-cycle cooling
Y= Yes
N= No
{“OSS”: {
---
---
Overall System Operation
“DY”: “$$$”
R
MON-SUN
Networker day of the week
“TM”:
“hh:mm”
R
00-23:00-59
Networker time
“RG”: “$”
R
Y/N
N-BW2 Module is registered with the master networker
Y= Yes
N= No
“ST”: “$”
R
N,C,P,U,Y
Operating state
N= Normal Operation
C=
Clock
Setting
P=
Parameter
Setting
U= User Settings
Y= Pin number entry
“MD”: “$”
W
H,E,C,R,N
Operating mode
H= Heating
E=
Cooling
(Evap)
C=
Cooling
(Add-on)
R= Reverse Cycle
N= None
Continued…

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 17 of 48
GROUP2
COMMAND
Values
Description
{“FLT”: {
---
---
Fault Information
“AV”: “$”
R
Y/N
Fault has been detected
Y= Yes
N= No
“GP”: “$”
R
H,E,C,R,N
Appliance type exhibiting fault
H= Heating
E=
Cooling
(Evap)
C=
Cooling
(Add-on)
R= Reverse Cycle
N= Controlling Device
“UT”: “##”
R
01-15
Identification of unit exhibiting fault
“TP”: “$”
R
M,B,L
Fault Severity
M= Minor
B= Busy
L= Lockout
“CD”: “##”
R
##
Fault Code
TABLE 4.2a: Networker System {“SYST”: Group

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 18 of 48
4.3 Heating Related –Group 1: {“HGOM”:
This group identifies heating related information and is sent by the N-BW2 as part of the status information
reported when heating is the current operating mode of the Networker System.
Under the heating operating mode, there exists two very distinct modes of operation:
1) Single Set Point Operation (Standard)
In this mode of operation one set point temperature defines the operation of the system even if the
system is zoned.
2) Multi Set Point Operation (Zone Plus)
In this mode of operation the heating system is zoned and each zone that exists in the system can have
its own operating characteristics. For example one zone can be under manual control while another is
under schedule control both with different set point temperatures defined.
The {“SYST”: {“CFG”: {“MTSP”: “$” } } } tag indicates the current operating mode the system is in. The
commands required for these two distinct modes differ slightly so they are described in separate sections
For example the following command alters the set point temperature of Zone B to 23°C when operating under
heating mode in a multi set point system:
{“HGOM”: {“ZBO”: {“SP”: “23” } } }
For a single set point system the equivalent command would be:
{“HGOM”: {“GSO”: {“SP”: “23” } } }
Note that when the schedule setup is being accessed the mode switch {“SYST”: {“OSS”: {“M”: “$” } } } will
not be executed until the schedule setup is exited.

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 19 of 48
4.3.1 Single Set Point Operation
In TABLE 4.3.1a below the “R” in the COMMAND column indicates read-only operation while a “W” indicates
read/write functionality.
GROUP2
COMMAND
Values
Description
{“CFG”: {
---
---
Configuration.
“ZUIS”: “$”
R
Y/N
Common Zone installed
Y= Yes
N= No
“ZAIS”: “$”
R
Y/N
Zone A installed
Y= Yes
N= No
“ZBIS”: “$”
R
Y/N
Zone B installed
Y= Yes
N= No
“ZCIS”: “$”
R
Y/N
Zone C installed
Y= Yes
N= No
“ZDIS”: “$”
R
Y/N
Zone D installed
Y= Yes
N= No
“CF”: “$”
R
Y/N
Circulation fan available
Y= Yes
N= No
“PS”: “$”
R
Y/N
Pre-Sleep time period enabled
Y= Yes
N= No
“DG”: “$”
R
D,W,A
Schedule day grouping
D= Individual
W= Weekdays
A= All Days
{“OOP”: {
---
---
Overall Operation
“ST”: “$”
W
F,N,Z
Operating State
F= Off
N= On
Z= Fan Only
“CF”: “$”
W
Y/N
Circulation fan on
Y= Yes
N= No
“FL”: “##”
W
01 - 16
Fan only operation speed level (01 –16)
{“GSO”: {
---
---
General System Operation
“OP”: “$”
W
A/M
- Schedule or Manual
A=
Schedule
M=
Manual
“SP”: “##”
00 –30
Set point temperature (< 8 = OFF)
“AO”: “$”
W
N,A,O
Schedule override
N= None
A= Advance
O= Operation
{“GSS”: {
---
---
General System Status
“HC”: “$”
R
Y/N
Calling for heat
Y= Yes
N= No
“FS”: “$”
R
Y/N
Fan active
Y= Yes
N= No
“GV”: “$”
R
Y/N
Gas valve active
Y= Yes
N= No
“PH”: “$”
R
Y/N
Pre-heat active
Y= Yes
N= No
“AT”: “$”
R
W,L,R,P,S
Schedule operating mode time period
W
L
R
P
S
Wake
Leave
Return
Pre-Sleep
Sleep
“AZ”: “$”
R
W,L,R,P,S
Schedule time period advanced to
W
L
R
P
S
Wake
Leave
Return
Pre-Sleep
Sleep
{“ZUO”: {
---
---
Common Zone Operation
“UE”: “$”
R
(Y/N)
User enabled
Y= Yes
N= No
{“ZAO”: {
---
---
Zone A Operation
“UE”: “$”
W
(Y/N)
User enabled
Y= Yes
N= No
{“ZBO”: {
---
---
Zone B Operation
“UE”: “$”
W
(Y/N)
User enabled
Y= Yes
N= No
{“ZCO”: {
---
---
Zone C Operation
“UE”: “$”
W
(Y/N)
User enabled
Y= Yes
N= No
{“ZDO”: {
---
---
Zone D Operation
“UE”: “$”
W
(Y/N)
User enabled
Y= Yes
N= No
Continued…

N-BW2 Networker Bridge (WIFI) API-N-BW2 Issue 1.3 Page 20 of 48
GROUP2
COMMAND
Values
Description
{“ZUS”: {
---
---
Common Zone Status
“MT”: “###”
R
000 –999
Measured temperature (x10). (999 indicates undefined)
“AE”: “$”
R
(Y/N)
Auto enabled (Calling for heat)
Y= Yes
N= No
{“ZAS”: {
---
---
Zone A Status
“MT”: “###”
R
000 –999
Measured temperature (x10). (999 indicates undefined)
“AE”: “$”
R
(Y/N)
Auto enabled (Calling for heat)
Y= Yes
N= No
{“ZBS”: {
---
---
Zone B Status
“MT”: “###”
R
000 –999
Measured temperature (x10). (999 indicates undefined)
“AE”: “$”
R
(Y/N)
Auto enabled (Calling for heat)
Y= Yes
N= No
{“ZCS”: {
---
---
Zone C Status
“MT”: “###”
R
000 –999
Measured temperature (x10). (999 indicates undefined)
“AE”: “$”
R
(Y/N)
Auto enabled (Calling for heat)
Y= Yes
N= No
{“ZDS”: {
---
---
Zone D Status
“MT”: “###”
R
000 –999
Measured temperature (x10). (999 indicates undefined)
“AE”: “$”
R
(Y/N)
Auto enabled (Calling for heat)
Y= Yes
N= No
{“APS”: {
---
---
System Schedule Setup
“AV”: “$”
W
Y/N
Active
Y= Yes
N= No
“DY”: “$$$”
W
MON-SUN
Day of the week to program (Individual day grouping)
(MON. TUE, WED, THU, FRI, SAT, SUN)
“WD”: “$”
W
Y/N
Program weekdays (Weekday day grouping)
Y= Yes
N= No
“TP”: “$”
W
W,L,R,P,S
Time period being programmed
W
L
R
P
S
Wake
Leave
Return
Pre-Sleep
Sleep
“TM”:
“hh:mm”
W
00-23:00-59
Time period start time in 24 hour format
“SP”: “##”
W
00 –30
Time period set point temperature (< 8 = OFF)
“ZA”: “$”
W
N/F
Zone A programmed state
F= OFF
N= ON
“ZB”: “$”
W
N/F
Zone B programmed state
F= OFF
N= ON
“ZC”: “$”
W
N/F
Zone C programmed state
F= OFF
N= ON
“ZD”: “$”
W
N/F
Zone D programmed state
F= OFF
N= ON
TABLE 4.3.1a: Networker System {“HGOM”: Group
Single Set Point Operation