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12. COMMISSIONING AND CONTROL SETTINGS
All of these heaters have been factory tested, but should be commissioned and adjusted in accordance with the
following instructions to ensure efficient and optimal heating performance. Remember:
•
Mains power must be switched OFF before any wiring is touched.
•
Commissioning must be carried out by a qualified trades person.
•
If the heater cannot be adjusted to operate in accordance with these instructions, contact the Customer Service
Centre (refer to the back cover).
12.1 SP4UN AND BX5 HEATER CONTROL SETTINGS
Heater settings (installer parameters) are adjusted via a networker controller. If dual networkers are configured,
either networker can be used to adjust the heater parameters.
Table 7. Heater Installer Parameters – SP4UN and BX5
No.
DISPLAY
1
H01 ID01: 1350
2
H01 ID02: 1350
3
H01 ID03: 950
4
H01 ID04: 1
5
H01 ID05: 500
6
H01 ID06: 65
7
H01 ID07: 0
Rinnai
HEATING: MAXIMUM FAN SPEED SETTING
The number displayed is the default fan speed setting. That is, the fan RPM setting for normal
heating operation. This setting can be adjusted from 500 to 1450 and should be set to meet
the installation airflow requirements. It is recommended that a fan speed of at least 1000 be
selected as lower speeds are more likely to result in overheating if the system has not been
balanced correctly.
COOLING: MAXIMUM FAN SPEED SETTING
The fan RPM setting for normal cooling operation. This setting can be adjusted from 500 to
1350.
HEATING: ZONING MINIMUM FAN SPEED SETTING
The minimum RPM to which the fan will operate with the maximum number of outlets closed,
with the networker zoning in heating mode. This setting can be adjusted from 500 to 1350
(default is 950).
HEATER IDENTIFICATION NUMBER
(Do not alter unless multiple heaters are installed)
In systems with multiple heaters installed, identifies each heater unit in priority order, for
example ID04: 1, ID04: 2, ID04: 3.
CIRCULATION FAN OPERATION
The fan RPM setting in circulation mode. That is, fan operation between heating or cooling
cycles when the set room temperature has been achieved.
SUPPLY AIR THERMISTOR SET POINT TEMPERATURE
The temperature that the heater gas valve modulates to maintain. This setting can be
adjusted from 45°C to 70°C (default setting varies between different models) and should be
set to provide a comfortable outlet temperature.
ZONE/REFRIGERATION /HUMIDIFIER MODE
Value
System
Configuration
Heating
0
1
Heating
Heating + Add-On
2
Heating +
3
Humidification
Heating +
Humidification +
4
Add-On
Heating
5
Heating +
6
Add-On
Heating +
7
Add-On
DESCRIPTION
Zone
Connection
N/A
Heater PCB – up to 4
Heater PCB – up to 4
'ADD-ON' terminal
Heater PCB – up to 4
Heater PCB – up to 3
(A,B,C)
'ADD-ON' terminal
Zone Module – 1
only (D)
Zone Module – up
to 4
Zone Module – up
to 4
'ADD-ON' terminal
Zone Module – up
to 3
'ADD-ON' terminal
36
Add-On
Humidifier
Connection
Connection
N/A
N/A
Heater PCB
N/A
Heater PCB 'ADD-
ON' terminal
Heater PCB
N/A
Heater PCB
Zone Module
Ducted Gas Heater IM
N/A
N/A
N/A
N/A
N/A
N/A
N/A
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