Rinnai
35
Commercial Heat Pump OIM
REGISTRY INFORMATION
When setting up your control monitoring interface, it is necessary to know the registry information to select the data
you wish to monitor.
NOTE
All parameters are READ-ONLY.
Refer to the tables below for registers and data points.
Input Register Information
Register Address
Description
Bit
Type
Unit
0
User pump working hours
32
INT
h
2
Compressor working hours
32
INT
h
14
Suction temp
32
REAL
°C
20
Discharge pressure probe
32
REAL
bar
22
Suction pressure probe
32
REAL
bar
24
Cond. temp. probe (or press. probe converted value)
32
REAL
°C
26
Evap. temp. probe (or press. probe converted value)
32
REAL
°C
40
Source fan working hours
32
INT
h
50
EEV position
16
REAL
%
54
Tank water temp
32
REAL
°C
56
Outlet water temp
32
REAL
°C
65
Source fan - Inverter request
32
REAL
%
71
Unit status (1=OFF by keyboard, 5=OFF by alarm, 6=Unit in defrosting,
7=Unit ON)
16
INT
-
92
Power request (compressor will be running at 100%)
32
REAL
%
Input Status Information
Register Address
Description
Bit
Type
Unit
4
Alarm 05: Tank water temperature probe - failure
16
BOOL
-
5
Alarm 06: Outlet water temperature probe - failure
16
BOOL
-
12
Alarm 13: User pump maintenance
16
BOOL
-
15
Alarm 16: Ambient temperature probe - failure
16
BOOL
-
23
Alarm 24: Suction temperature probe - failure
16
BOOL
-
24
Alarm 25: High pressure switch open
16
BOOL
-
25
Alarm 26: High pressure transducer exceeds threshold or failure
16
BOOL
-
26
Alarm 27: Low pressure transducer - failure
16
BOOL
-
27
Alarm 29: Low pressure switch open
16
BOOL
-
29
Alarm 30: Reversed phase of power supply or compressor overload
16
BOOL
-
31
Alarm 32: Compressor maintenance
16
BOOL
-
33
Alarm 34: Fan maintenance
16
BOOL
-